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DC INVERTER MULTI VRF
Service Manual
(T1/R410A/50Hz)
GREE ELECTRIC APPLIANCES INC. OF ZHUHAI
1
CONTENTS
PRODUCT..................................................................................................................................................... 2
1 MODELS LIST .................................................................................................................................. 2
1.1 Outdoor Unit ............................................................................................................................. 2
1.2 Indoor Unit................................................................................................................................ 3
2 NOMENCLATURE ........................................................................................................................... 8
2.1 Nomenclature of outdoor unit ................................................................................................... 8
2.2 Nomenclature of indoor unit ..................................................................................................... 8
3 FUNCTION ........................................................................................................................................ 9
4 PRODUCT DATA ............................................................................................................................ 10
4.1 Product data of outdoor........................................................................................................... 10
4.2 Product data of indoor............................................................................................................. 12
4.3 Operation Range...................................................................................................................... 37
5 PIPING DIAGRAM......................................................................................................................... 38
5.1 Cooling Only........................................................................................................................... 38
5.2 Heat Pump............................................................................................................................... 39
CONTROL .................................................................................................................................................. 41
1 OPERATION FLOWCHART ........................................................................................................ 41
1.1 Cooling/Dry Operation............................................................................................................ 42
1.2 Heating Operation ................................................................................................................... 43
2 MAIN LOGIC .................................................................................................................................. 44
2.1 Control Function of Outdoor Unit........................................................................................... 44
3 WIRELESS REMOTE CONTROLLER....................................................................................... 59
4 WIRED CONTROLLER ................................................................................................................ 62
4.1 Operation and Display View ................................................................................................... 62
4.2 Dimension ............................................................................................................................... 62
4.3 Installation............................................................................................................................... 63
5 MINI CENTRALIZED CONTROLLER (REGION CONTROLLER) ..................................... 64
5.1 Function .................................................................................................................................. 64
5.2 Operation View ....................................................................................................................... 65
5.3 Display View........................................................................................................................... 66
5.4 Connection between Controller and Unit................................................................................ 67
6 CENTRALIZED CONTROLLER ................................................................................................. 68
6.1 Function .................................................................................................................................. 68
6.2 Operation View ....................................................................................................................... 68
6.3 Display View........................................................................................................................... 70
6.4 Communication Network Connection..................................................................................... 71
6.5 Case Study............................................................................................................................... 72
7 MONITORING SOFTWARE ......................................................................................................... 85
7.1 Function .................................................................................................................................. 85
7.2 Connection Between the Computer and the Unit.................................................................... 85
7.3 Hardware................................................................................................................................. 87
INSTALLATION......................................................................................................................................... 94
1 PRECAUTIONS FOR INSTALLATION ...................................................................................... 94
1.1 Precautions for installation...................................................................................................... 94
1.2 Key Points of Installation........................................................................................................ 95
2 FLOW CHART OF INSTALLATION ........................................................................................... 97
3 INSTALLATION OF OUTDOOR UNIT....................................................................................... 98
3.1 Cautions for installation of side discharge outdoor unit.......................................................... 98
3.2 Selection of Installation Site ................................................................................................... 98
3.3 Dimensions Data ..................................................................................................................... 99
3.4 Installation space requirements ............................................................................................... 99
4 INSTALLATION OF INDOOR UNIT ......................................................................................... 102
4.1 Duct Type .............................................................................................................................. 102
4.2 4-way cassett type Unit ......................................................................................................... 109
4.3 Floor Ceiling Type ................................................................................................................ 115
4.4 Wall mounted type ................................................................................................................ 120
4.5 1-way cassett type Unit ......................................................................................................... 122
2
4.6 cassette type indoor unit........................................................................................................ 127
5 INSTALLATION REQUIREMENTS OF REFRIGERANT PIPING ...................................... 138
5.1 Specification of refrigerant pipe............................................................................................ 138
5.2 Allowable Length and Height Differences of the Refrigerant Piping between the Indoor and
Outdoor Units.............................................................................................................................. 138
5.3 Size of Connection Pipe ........................................................................................................ 138
6 INSTALLATION OF REFRIGERANT PIPING ........................................................................ 140
6.1 Flow Chart of Installation ..................................................................................................... 140
6.2 Three Principles of Refrigerant Piping Installation............................................................... 140
6.3 Installation of Metal Embedded Pipe .................................................................................... 141
6.4 Installation of Carriage of Refrigerant pipin ......................................................................... 141
6.5 Management and Machining of Refrigerant Piping .............................................................. 142
6.6 Installation of Refrigerant Piping.......................................................................................... 146
6.7 Welding of Copper Pipe ........................................................................................................ 148
6.8 Cleaning of Refrigerant Piping ............................................................................................. 153
6.9 Pressure Maintaining and Leak Hunting ............................................................................... 155
6.10 Heat Preservation of Refrigerant Piping ............................................................................. 156
6.11 Vacuum Pumping ................................................................................................................ 157
6.12 Refrigerant Charge .............................................................................................................. 158
7 INSTALLATION OF ELECTRONIC EXPANSION VALVE ASSY ........................................ 160
7.1 Direction Requirements ........................................................................................................ 160
8 INSTALLATION OF CONDENSATE PIPE............................................................................... 162
8.1 Material quality requirements ............................................................................................... 162
8.2 Key points for installation ..................................................................................................... 162
8.3 Installation of drainage hose for different types of indoor unit............................................. 166
8.4 Test for Condensate Pipe....................................................................................................... 170
8.5 Requirements of Heat Insulation........................................................................................... 171
9 ELECTRICAL INSTALLATION................................................................................................. 172
9.1 Precautions for Electrical Installation ................................................................................... 172
9.2 Specifications of power cord & circuit breaker..................................................................... 172
9.3 Wiring Sketch Map ............................................................................................................... 172
9.4 Dial-up .................................................................................................................................. 173
MAINTENANCE ...................................................................................................................................... 179
1 List of Unit Errors.......................................................................................................................... 179
1.1 List of Error Display on Wired Controller ............................................................................ 179
1.2 Display Code on Digital Tube of Outdoor Mainboard.......................................................... 182
1.3 Display of the number of indoor units .................................................................................. 182
2 Flow chart of troubleshooting ....................................................................................................... 183
3 WIRING DIADRAM ..................................................................................................................... 192
3.1 Outdoor unit .......................................................................................................................... 192
3.2 Indoor unit............................................................................................................................. 193
4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS.................................... 202
4.1 Removal and Assembly of Outdoor Unit .............................................................................. 202
4.2 Removal and Assembly of Indoor Unit................................................................................. 209
5 EXPLODED VIEWS AND PART LIST ...................................................................................... 232
5.1 Exploded Views and Parts List of Outdoor Unit ................................................................... 232
5.2 Exploded Views and Parts List of Indoor Unit...................................................................... 235
3
GREE COMMERCIAL AIR CONDITIONER
DC INVERTER MULTI VRF
PRODUCT
1
DC INVERTER MULTI VRF
PRODUCT
PRODUCT
1 MODELS LIST
1.1 Outdoor Unit
Capacity
Units
Series
DC
Inverter
Multi VRF
Ref.
Power
Supply
37532
R410A
220-240V
~50Hz
40944
47768
R410A
220-240V
~50Hz
GMV(L)-Pd140W/NaB-K
47768
52545
R410A
220-240V
~50Hz
GMV(L)-Pd160W/NaB-K
54592
60051
R410A
220-240V
~50Hz
Model
Cooling
(Btu/h)
Heating
(Btu/h)
GMV(L)-Pd100W/NaB-K
34120
GMV(L)-Pd120W/NaB-K
Appearance
Note:1Ton =12000Btu/h = 3.517kW
Notes: a. Cooling only unit (GMVL type) has no items on heating;
b. Noise was tested in semi-silenced room, so the actual noise value will be a little higher for change of ambient;
c. The charge amount of R410A in the list is only the sealed amount when outdoor unit outgoing. When installing,
calculate the additional charge amount according to actual length of pipe and the matched indoor units;
d. Nominal capacities are based on the following conditions:
Cooling
Heating
Indoor :27℃(80.6℉)/19℃(66.2℉)
Outdoor: 35℃(95℉)/-
Indoor: 20℃(68℉)/Outdoor : 7℃(44.6℉)/6℃(42.8℉);
2
DC INVERTER MULTI VRF
PRODUCT
1.2 Indoor Unit
1.2.1 Duct type
Capacity
Model
GMV-R22P/Na-K
GMVL-R22P/Na-K
GMV-R25P/Na-K
GMVL-R25P/Na-K
GMV-R28P/Na-K
GMVL-R28P/Na-K
GMV-R32P/Na-K
GMVL-R32P/Na-K
GMV-R36P/Na-K
GMVL-R36P/Na-K
GMV-R40P/Na-K
GMVL-R40P/Na-K
GMV-R45P/Na-K
GMVL-R45P/Na-K
GMV-R50P/Na-K
GMVL-R50P/Na-K
GMV-R56P/Na-K
GMVL-R56P/Na-K
GMV-R63P/Na-K
GMVL-R63P/Na-K
GMV-R71P/Na-K
GMVL-R71P/Na-K
GMV-R80P/Na-K
GMVL-R80P/Na-K
GMV-R90P/Na-K
GMVL-R90P/Na-K
GMV-R100P/Na-K
GMVL-R100P/Na-K
GMV-R112P/Na-K
GMVL-R112P/Na-K
GMV-R125P/Na-K
GMVL-R125P/Na-K
GMV-R140P/Na-K
GMVL-R140P/Na-K
Cooling
(Btu/h)
7507
8530
9554
10919
12284
13649
15355
17061
19108
21496
24226
27297
30709
34121
38216
42652
47770
Heating
(Btu/h)
Ref
Power
Supply
R410A
220-240V
~50Hz
Appearance
8530
/
10236
/
10918
/
12283
/
13648
/
15354
/
17060
/
19790
/
21496
/
23884
/
27296
/
30026
/
34120
/
37532
/
42650
/
46060
/
51180
/
Conversion Formula: Btu/h=kW×3412
3
DC INVERTER MULTI VRF
PRODUCT
Capacity
Model
GMV-R22P/NaB-K
GMVL-R22P/NaB-K
GMV-R28P/NaB-K
GMVL-R28P/NaB-K
GMV-R36P/NaB-K
GMVL-R36P/NaB-K
GMV-R45P/NaB-K
GMVL-R45P/NaB-K
GMV-R56P/NaB-K
GMVL-R56P/NaB-K
GMV-R71P/NaB-K
GMVL-R71P/NaB-K
GMV-R90P/NaB-K
GMVL-R90P/NaB-K
GMV-R112P/NaB-K
GMVL-R112P/NaB-K
GMV-R140P/NaB-K
GMVL-R140P/NaB-K
GMV-R22PS/NaB-K
GMVL-R22PS/NaB-K
GMV-R28PS/NaB-K
GMVL-R28PS/NaB-K
GMV-R36PS/NaB-K
GMVL-R36PS/NaB-K
GMV-R45PS/NaB-K
GMVL-R45PS/NaB-K
GMV-R56PS/NaB-K
GMVL-R56PS/NaB-K
GMV-R71PS/NaB-K
GMVL-R71PS/NaB-K
GMV-R90PS/NaB-K
GMVL-R90PS/NaB-K
GMV-R112PS/NaB-K
GMVL-R112PS/NaB-K
GMV-R140PS/NaB-K
GMVL-R140PS/NaB-K
Cooling
(Btu/h)
7507
9554
12284
15355
19108
24226
30709
38216
47770
7507
9554
12284
15355
19108
24226
30709
38216
47770
Heating
(Btu/h)
Ref
Power
Supply
R410A
220-240V
~50Hz
R410A
220-240V
~50Hz
Appearance
8530
/
10918
/
13648
/
17060
/
21496
/
27296
/
34120
/
42650
/
51180
/
8530
/
10918
/
13648
/
17060
/
21496
/
27296
/
34120
/
42650
/
51180
/
Conversion Formula: Btu/h=kW×3412
4
DC INVERTER MULTI VRF
PRODUCT
1.2.2 Cassette type
Model
GMV-R22T/NaA-K
Capacity
Cooling
Heating
(Btu/h)
(Btu/h)
7506
GMVL-R22T/NaA-K
GMV-R28T/NaA-K
8530
Ref
Power
Supply
R410A
220-240V
~50Hz
Appearance
/
9550
GMVL-R28T/NaA-K
10900
/
GMV-R36T/NaA-K
13650
12280
GMVL-R36T/NaA-K
/
GMV-R45T/NaA-K
17060
15360
GMVL-R45T/NaA-K
/
GMV-R28T/Na-K
10900
9550
GMVL-R28T/Na-K
/
GMV-R36T/Na-K
13650
12280
GMVL-R36T/Na-K
/
GMV-R45T/Na-K
17060
15360
GMVL-R45T/Na-K
/
GMV-R50T/Na-K
19790
17060
GMVL-R50T/Na-K
/
GMV-R56T/Na-K
21500
19100
GMVL-R56T/Na-K
/
GMV-R63T/Na-K
23880
21500
GMVL-R63T/Na-K
/
GMV-R71T/Na-K
27300
24230
GMVL-R71T/Na-K
/
GMV-R80T/Na-K
30030
27300
GMVL-R80T/Na-K
/
GMV-R90T/Na-K
34120
30700
GMVL-R90T/Na-K
/
GMV-R100T/Na-K
37532
34121
GMVL-R100T/Na-K
/
GMV-R112T/Na-K
42650
38210
GMVL-R112T/Na-K
GMV-R125T/Na-K
/
42650
46062
5
DC INVERTER MULTI VRF
PRODUCT
GMVL-R125T/Na-K
/
GMV-R140T/Na-K
49470
47770
GMVL-R140T/Na-K
/
GMV-R22Td/Na-K
8530
7506
GMVL-R22Td/Na-K
/
GMV-R28Td/Na-K
10900
9550
GMVL-R28Td/Na-K
R410A
/
GMV-R36Td/Na-K
220-240V
~50Hz
13650
12280
GMVL-R36Td/Na-K
/
Conversion Formula: Btu/h=kW×3412
1.2.3 Wall mounted type
Model
GMV-R22G/NaB-K
GMVL-R22G/NaB-K
GMV-R28G/NaB-K
GMVL-R28G/NaB-K
GMV-R36G/NaB-K
GMVL-R36G/NaB-K
GMV-R45G/NaB-K
GMVL-R45G/NaB-K
GMV-R50G/NaB-K
GMVL-R50G/NaB-K
GMV-R56G/NaB-K
GMVL-R56G/NaB-K
GMV-R22G/NaC-K
GMVL-R22G/NaC-K
GMV-R28G/NaC-K
GMVL-R28G/NaC-K
GMV-R36G/NaC-K
GMVL-R36G/NaC-K
GMV-R45G/NaC-K
GMVL-R45G/NaC-K
GMV-R71G/Na-K
GMVL-R71G/Na-K
GMV-R80G/Na-K
GMVL-R80G/Na-K
Capacity
Cooling
Heating
(Btu/h)
(Btu/h)
7507
9554
12284
15355
17061
19108
7507
9554
12284
15355
24226
27297
Ref
Power
Supply
R410A
220-240V
~50Hz
Appearance
8530
/
10919
/
13649
/
17061
/
19790
/
21496
/
8530
/
10919
/
13649
/
17061
/
27297
/
30709
/
Conversion Formula: Btu/h=kW×3412
6
DC INVERTER MULTI VRF
PRODUCT
1.2.4Floor ceiling type
Model
GMV-R28Zd/Na-K
GMVL-R28Zd/Na-K
GMV-R36Zd/Na-K
GMVL-R36Zd/Na-K
GMV-R50Zd/Na-K
GMVL-R50Zd/Na-K
GMV-R71Zd/Na-K
GMVL-R71Zd/Na-K
GMV-R90Zd/Na-K
GMVL-R90Zd/Na-K
GMV-R112Zd/Na-K
GMVL-R112Zd/Na-K
GMV-R125Zd/Na-K
GMVL-R125Zd/Na-K
Capacity
Cooling
(Btu/h)
9554
12284
17061
24226
30709
38216
42652
Heating
(Btu/h)
Ref
Power
Supply
R410A
220-240V
~50Hz
Appearance
10919
/
13649
/
19790
/
27297
/
34121
/
42652
/
46064
/
Conversion Formula: Btu/h=kW×3412
Notes: a. Cooling only unit (GMVL type) has no items on heating;
b. Noise was tested in semi-silenced room, so the actual noise value will be a little higher for change of ambient;
c. Nominal capacities are based on the following conditions:
Cooling
Heating
Indoor :27℃(80.6℉)/19℃(66.2℉)
Outdoor: 35℃(95℉)/-
Indoor: 20℃(68℉)/Outdoor : 7℃(44.6℉)/6℃(42.8℉)
7
DC INVERTER MULTI VRF
PRODUCT
2 NOMENCLATURE
2.1 Nomenclature of outdoor unit
GMV
□
L
1
2
3
-
Pd
120
W
4
5
6
/
Na
B
7
8
NO.
Description
1
Code for type
2
Code for weather
3
Code for model
L: Cooling Only
Default: Heat pump
4
Units Series
Pd: DC inverter VRF
5
Nominal cooling capacity
120 represents 12kW
Btu/h=kW×3412
-
K
9
Options
GMV=Gree Multi Variable
Default:T1 T2:T2 weather T3:T3 weather
6
W: outdoor unit
7
Refrigerant
Na: R410A
8
Series number
B: The second generation
9
Power supply
K: 220-240V 50Hz
2.2 Nomenclature of indoor unit
GMV
□
L
1
2
3
-
R
36
P
4
5
6
NO.
Description
1
Code for type
2
Code for weather
3
Code for model
4
Code for function
5
Nominal cooling capacity
/
Na
B
□
7
8
9
Options
GMV=Gree Multi Variable
Default:T1 T2:T2 weather T3:T3 weather
L: Cooling Only
Default: Heat pump
R: R-R series
36 represents 3.6kW
Btu/h=kW×3412
P=Duct type
T=Cassette type
Td=1-way Casstte type
G=Wall mounted
Zd=Floor ceiling
6
Code for unit type
7
Refrigerant
8
Series number
B: The second generation
9
Power supply
K: 220-240V 50Hz
Na: R410A
Example: GMV-R22G/NaB-K. A wall mounted indoor unit of GREE, and the nominal cooling capacity is 2.2kw. It's the
second generation product, and it could connect the outdoor unit with digital scroll, the power supply is 220V-240V, 50Hz.
8
DC INVERTER MULTI VRF
PRODUCT
3 FUNCTION
Auto Restart
Fan Operation Mode
LCD Remote Controller (Option)
Auto Swing Function
For
Comfortable
Air Conditioning
Ceiling Soiling Prevention
Program Dry
High Fan Speed Mode
High Ceiling Application
Two Select Thermo Sensor
Hot Start
Timer Selector
Fresh Return air inlet Directly from The Unit
Drain Pump
Long Life Filter
For Easy
Construction and
Maintenance
Ultra-Long life Filter (Option)
Mold Resistant Treatment for Filter
Filter Sign
Mold Resistant Drain Pan
Emergency Operation
Self Diagnoses Function
Set Back Time Clock
Double Remote Control
For Flexible
Control
Group Control By 1 Remote Controller
Control By External Command
Remote/Centralized Control
9
DC INVERTER MULTI VRF
PRODUCT
4 PRODUCT DATA
4.1 Product data of outdoor
Model
GMV(L)-Pd100W/NaB-K
GMV(L)-Pd120W/NaB-K
kW
10.0
12.0
Btu/h
34120
40944
kW
11.0
14.0
Btu/h
37532
47768
Sound Pressure Level
dB(A)
58
58
R410A Filling Amount
kg
7.5
7.5
Power Supply
V,Ph,Hz
220V-240V~,1Ph,50Hz
220V-240V~,1Ph,50Hz
Cooling
kW
2.86
3.5
Heating
kW
2.6
3.4
Cooling
A
14.2
17.3
Heating
A
13.2
16.4
Cooling①
Capacity
Heating②
Power input
Rated current
Compressor
DC inverter dual-rotor type compressor×1
Moisture protection
IP×4
IP×4
Climate Type
T1
T1
mm
φ15.9
φ15.9
Inch
5/8"
5/8"
mm
φ9.52
φ9.52
Inch
3/8"
3/8"
Connection Method
Flare Connection
Flare Connection
Max. NO. of Indoor Unit
5
6
kW
0.136
0.136
3
m /h
6000
6000
CFM
3538
3538
Step
3
3
mm2×Number
6.0×3
6.0×3
Gas Pipe
Connection Pipes
Liquid Pipe
Power input
Fan
Air Flow Rate
Recommended
Power Lines
Circuit breaker
A
32
32
Dimensions of Installation
mm
1650×590×1700
1650×590×1700
Width
mm
950
950
Depth
mm
340
340
Height
mm
1250
1250
Width
mm
1110
1110
Depth
mm
450
450
Height
mm
1280
1280
kg
135/140
135/140
Unit Dimensions
Dimensions of
Package
Weight(Net/Gross)
Model
GMV(L)-Pd140W/NaB-K
GMV(L)-Pd160W/NaB-K
10
DC INVERTER MULTI VRF
PRODUCT
kW
14.0
16.0
Btu/h
47768
54592
kW
15.4
17.6
Btu/h
52545
60051
Sound Pressure Level
dB(A)
58
60
R410A Filling Amount
kg
7.5
7.5
Power Supply
V,Ph,Hz
220V-240V~,1Ph,50Hz
220V-240V~,1Ph,50Hz
Cooling
kW
4.36
4.98
Heating
kW
4.05
4.85
Cooling
A
20.5
23.2
Heating
A
19.6
21.9
Cooling①
Capacity
Heating②
Power input
Rated current
Compressor
DC inverter dual-rotor type compressor×1
Moisture protection
IP×4
IP×4
Climate Type
T1
T1
mm
φ15.9
φ19.05
Inch
5/8"
3/4"
mm
φ9.52
φ9.52
Inch
3/8"
3/8"
Connection Method
Flare Connection
Flare Connection
Max. NO. of Indoor Unit
7
8
kW
0.136
0.184
3
m /h
6000
6800
CFM
3538
4010
3
3
Gas Pipe
Connection Pipes
Liquid Pipe
Power input
Fan
Air Flow Rate
Step
2
Recommended Power Lines
mm ×Number
10.0×3
10.0×3
Circuit breaker
A
40
40
Dimensions of Installation
mm
1650×590×1700
1650×590×1700
Width
mm
950
950
Depth
mm
340
340
Height
mm
1250
1250
Width
mm
1110
1110
Depth
mm
450
450
Height
mm
1280
1280
kg
135/140
135/140
Unit Dimensions
Dimensions of
Package
Weight(Net/Gross)
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling
only units dose not have any parameters of performing heating;
③ The sound level was tested under circumstance of semi-anechoic chamber; the value of noise could be a little
higher in actual operation.
11
DC INVERTER MULTI VRF
PRODUCT
4.2 Product data of indoor
4.2.1 Duct Type
Model
GMV(L)-R22P/Na-K
GMV(L)-R25P/Na-K
GMV(L)-R28P/Na-K
kW
2.2
2.5
2.8
Btu
7506
8530
9554
kW
2.5
3.0
3.2
Btu
8530
10236
10918
m3/h
450
450
570
CFM
265
265
336
Sound Pressure Level (H/L)
dB(A)
37/33
37/33
39/35
External Static Pressure
Pa
25
25
25
220-240V~50Hz
220-240V~50Hz
220-240V~50Hz
kW
0.02
0.02
0.02
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
Running Current
Gas Pipe
Connecting
Pipes
Liquid Pipe
A
0.17
0.17
0.16
mm
φ9.52
φ9.52
φ9.52
inch
3/8"
3/8"
3/8"
mm
φ6.35
φ6.35
φ6.35
inch
1/4"
1/4"
1/4"
Flare Connection
Flare Connection
Flare Connection
Connection Method
Drain Pipes
(External Dia. × Thickness)
mm
φ20×1.5
φ20×1.5
φ20×1.5
Unit Dimensions
(W×D×H)
mm
875×680×220
875×680×220
875×680×220
Package Dimensions
(W×D×H)
mm
1012×708×275
1012×708×275
1012×708×275
Weight(Net/Gross)
kg
27/31
27/31
27/31
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling
only units dose not have any parameters of performing heating;
③ The sound level was tested under circumstance of semi-anechoic chamber; the value of noise could be a little
higher in actual operation.
12
DC INVERTER MULTI VRF
PRODUCT
Model
GMV(L)-R32P/Na-K
GMV(L)-R36P/Na-K
GMV(L)-R40P/Na-K
kW
3.2
3.6
4.0
Btu
10919
12284
13649
kW
3.6
4.0
4.5
Btu
12283
13648
15354
m3/h
570
570
840
CFM
336
336
494
Sound Pressure Level (H/L)
dB(A)
39/35
39/35
40/36
External Static Pressure
Pa
25
25
20
220-240V~50Hz
220-240V~50Hz
220-240V~50Hz
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.02
0.02
0.07
Running
Current
A
0.16
0.16
0.69
mm
φ12.7
φ12.7
φ12.7
inch
1/2"
1/2"
1/2"
mm
φ6.35
φ6.35
φ6.35
inch
1/4"
1/4"
1/4"
Flare Connection
Flare Connection
Flare Connection
Gas Pipe
Connecting
Pipes
Liquid Pipe
Connection Method
Drain Pipes
(External Dia. × Thickness)
mm
φ20×1.5
φ20×1.5
φ30×1.5
Unit Dimensions
(W×D×H)
mm
875×680×220
875×680×220
980×736×266
Package Dimensions
(W×D×H)
mm
1012×708×275
1012×708×275
1068×766×320
Weight(Net/Gross)
kg
27/31
27/31
36/39
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling
only units dose not have any parameters of performing heating;
③ The sound level was tested under circumstance of semi-anechoic chamber; the value of noise could be a little
higher in actual operation.
13
DC INVERTER MULTI VRF
PRODUCT
Model
GMV(L)-R45P/Na-K
GMV(L)-R50P/Na-K
GMV(L)-R56P/Na-K
kW
4.5
5.0
5.6
Btu
15355
17061
19108
kW
5.0
5.8
6.3
Btu
17060
19790
21496
m3/h
840
840
1400
CFM
494
494
824
Sound Pressure Level (H/L)
dB(A)
40/36
40/36
42/38
External Static Pressure
Pa
40
40
100
220-240V~50Hz
220-240V~50Hz
220-240V~50Hz
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.07
0.07
0.15
Running Current
A
0.69
0.69
1.32
mm
φ12.7
φ12.7
φ15.9
inch
1/2"
1/2"
5/8"
mm
φ6.35
φ6.35
φ9.52
inch
1/4"
1/4"
3/8"
Flare Connection
Flare Connection
Flare Connection
Gas Pipe
Connecting
Pipes
Liquid Pipe
Connection Method
Drain Pipes
(External Dia. × Thickness)
mm
φ30×1.5
φ30×1.5
φ30×1.5
Unit Dimensions
(W×D×H)
mm
980×736×266
980×736×266
1112×756×300
Package Dimensions
(W×D×H)
mm
1068×766×320
1068×766×320
1245×785×360
Weight(Net/Gross)
kg
36/39
36/39
55/59
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling
only units dose not have any parameters of performing heating;
③ The sound level was tested under circumstance of semi-anechoic chamber; the value of noise could be a little
higher in actual operation.
14
DC INVERTER MULTI VRF
PRODUCT
Model
GMV(L)-R63P/Na-K
GMV(L)-R71P/Na-K
GMV(L)-R80P/Na-K
kW
6.3
7.1
8.0
Btu
21496
24226
27297
kW
7.0
8.0
8.8
Btu
23884
27296
30026
m3/h
1400
1400
1400
CFM
824
824
824
Sound Pressure Level (H/L)
dB(A)
42/38
42/38
42/38
External Static Pressure
Pa
100
100
100
220-240V~50Hz
220-240V~50Hz
220-240V~50Hz
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.15
0.15
0.15
Running Current
A
1.32
1.32
1.32
mm
φ15.9
φ15.9
φ15.9
inch
5/8"
5/8"
5/8"
mm
φ9.52
φ9.52
φ9.52
inch
3/8"
3/8"
3/8"
Flare Connection
Flare Connection
Flare Connection
Gas Pipe
Connecting
Pipes
Liquid Pipe
Connection Method
Drain Pipes
(External Dia. × Thickness)
mm
φ30×1.5
φ30×1.5
φ30×1.5
Unit Dimensions
(W×D×H)
mm
1112×756×300
1112×756×300
1112×756×300
Package Dimensions
(W×D×H)
mm
1245×785×360
1245×785×360
1245×785×360
Weight(Net/Gross)
kg
55/59
55/59
55/59
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling
only units dose not have any parameters of performing heating;
③ The sound level was tested under circumstance of semi-anechoic chamber; the value of noise could be a little
higher in actual operation.
15
DC INVERTER MULTI VRF
PRODUCT
Model
GMV(L)-R90P/Na-K
GMV(L)-R100P/Na-K
GMV(L)-R112P/Na-K
kW
9.0
10.0
11.2
Btu
30709
34121
38216
kW
10.0
11.0
12.5
Btu
34120
37532
42650
m3/h
2000
2000
2000
CFM
1177
1177
1177
Sound Pressure Level (H/L)
dB(A)
44/40
44/40
44/40
External Static Pressure
Pa
100
100
100
220-240V~50Hz
220-240V~50Hz
220-240V~50Hz
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.225
0.225
0.225
Running Current
A
2.14
2.14
2.14
mm
φ15.9
φ15.9
φ15.9
inch
5/8"
5/8"
5/8"
mm
φ9.52
φ9.52
φ9.52
inch
3/8"
3/8"
3/8"
Flare Connection
Flare Connection
Flare Connection
Gas Pipe
Connecting
Pipes
Liquid Pipe
Connection Method
Drain Pipes(External Dia. ×
Thickness)
mm
φ30×1.5
φ30×1.5
φ30×1.5
Unit Dimensions
(W×D×H)
mm
1385×736×300
1385×736×300
1385×736×300
Package Dimensions
(W×D×H)
mm
1514×795×360
1514×795×360
1514×795×360
Weight(Net/Gross)
kg
75/79
75/79
75/79
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling
only units dose not have any parameters of performing heating;
③ The sound level was tested under circumstance of semi-anechoic chamber; the value of noise could be a little
higher in actual operation.
16
DC INVERTER MULTI VRF
PRODUCT
Model
GMV(L)-R125P/Na-K
GMV(L)-R140P/Na-K
kW
12.5
14.0
Btu
42652
47770
kW
13.5
15.0
Btu
46060
51180
m3/h
2000
2000
CFM
1177
1177
Sound Pressure Level (H/L)
dB(A)
44/40
45/41
External Static Pressure
Pa
100
50
220-240V~50Hz
220-240V~50Hz
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.225
0.225
Running Current
A
2.14
2.14
mm
φ15.9
φ15.9
inch
5/8"
5/8"
mm
φ9.52
φ9.52
inch
3/8"
3/8"
Flare Connection
Flare Connection
Gas Pipe
Connecting
Pipes
Liquid Pipe
Connection Method
Drain Pipes
(External Dia. × Thickness)
mm
φ30×1.5
φ30×1.5
Unit Dimensions
(W×D×H)
mm
1385×736×300
1385×736×300
Package Dimensions
(W×D×H)
mm
1514×795×360
1514×795×360
Weight(Net/Gross)
kg
75/79
75/79
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling
only units dose not have any parameters of performing heating;
③ The sound level was tested under circumstance of semi-anechoic chamber; the value of noise could be a little
higher in actual operation
17
DC INVERTER MULTI VRF
PRODUCT
Model
GMV(L)-R22P/NaB-K
GMV(L)-R28P/NaB-K
GMV(L)-R36P/NaB-K
kW
2.2
2.8
3.6
Btu
7507
9554
12284
kW
2.5
3.2
4.0
Btu
8530
10918
13648
m3/h
450
570
570
CFM
265
335
336
Sound Pressure Level (H/L)
dB(A)
37/33
39/35
39/35
External Static Pressure
Pa
50/20
50/20
50/20
220-240V~50Hz
220-240V~50Hz
220-240V~50Hz
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.04
0.06
0.06
Running Current
A
028
0.41
0.41
mm
φ9.52
φ9.52
φ12.7
inch
3/8"
3/8"
1/2"
mm
φ6.35
φ6.35
φ6.35
inch
1/4"
1/4"
1/4"
Flare Connection
Flare Connection
Flare Connection
Gas Pipe
Connecting
Pipes
Liquid Pipe
Connection Method
Drain Pipes
(External Dia. × Thickness)
mm
φ20×1.5
φ20×1.5
φ20×1.5
Unit Dimensions
(W×D×H)
mm
880×655×250
880×655×250
880×655×250
Package Dimensions
(W×D×H)
mm
1020×745×305
1020×745×305
1020×745×305
Weight(Net/Gross)
kg
27/31
28.5/33.5
28.5/33.5
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling only
units dose not have any parameters of performing heating;
③ The sound level is tested under circumstance of semi-anechoic chamber; the value of noise could be a little higher in
actual operation.
18
DC INVERTER MULTI VRF
PRODUCT
Model
GMV(L)-R45P/NaB-K
GMV(L)-R56P/NaB-K
GMV(L)-R71P/NaB-K
kW
4.5
5.6
7.1
Btu
15355
19108
24226
kW
5.0
6.3
8.0
Btu
17060
21496
27296
m3/h
700
1000
1100
CFM
412
589
647
Sound Pressure Level (H/L)
dB(A)
40/36
44/40
45/41
External Static Pressure
Pa
50/20
60/30
60/30
220-240V~50Hz
220-240V~50Hz
220-240V~50Hz
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.07
0.15
0.15
Running Current
A
0.55
1.3
1.3
mm
φ12.7
Φ15.9
Φ15.9
inch
1/2"
5/8"
5/8"
mm
φ6.35
Φ9.52
Φ9.52
inch
1/4"
3/8"
3/8"
Flare Connection
Flare Connection
Flare Connection
Gas Pipe
Connecting
Pipes
Liquid Pipe
Connection Method
Drain Pipes
(External Dia. × Thickness)
mm
Φ30×1.5
Φ30×1.5
Φ30×1.5
Unit Dimensions
(W×D×H)
mm
980×721×266
1155×756×300
1155×756×300
Package Dimensions
(W×D×H)
mm
1068×766×320
1245×785×360
1245×785×360
Weight(Net/Gross)
kg
34/37
49/56
49/56
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling only
units dose not have any parameters of performing heating;
③ The sound level is tested under circumstance of semi-anechoic chamber; the value of noise could be a little higher in
actual operation.
19
DC INVERTER MULTI VRF
PRODUCT
Model
GMV(L)-R90P/NaB-K
GMV(L)-R112P/NaB-K
GMV(L)-R140P/NaB-K
kW
9.0
11.2
14.0
Btu
30709
38216
47770
kW
10.0
12.5
15.0
Btu
34120
42650
51180
m3/h
1700
1700
2000
CFM
1001
1177
1177
Sound Pressure Level (H/L)
dB(A)
48/44
48/44
50/46
External Static Pressure
Pa
80/40
80/40
100/50
220-240V~50Hz
220-240V~50Hz
220-240V~50Hz
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.225
0.225
0.26
Running Current
A
2.15
2.15
2.67
mm
Φ15.9
Φ15.9
Φ15.9
inch
5/8"
5/8"
5/8"
mm
Φ9.52
Φ9.52
Φ9.52
inch
3/8"
3/8"
3/8"
Flare Connection
Flare Connection
Flare Connection
Gas Pipe
Connecting
Pipes
Liquid Pipe
Connection Method
Drain Pipes
(External Dia. × Thickness)
mm
Φ30×1.5
Φ30×1.5
Φ30×1.5
Unit Dimensions
(W×D×H)
mm
1425×736×300
1425×736×300
1425×736×300
Package Dimensions
(W×D×H)
mm
1514×785×360
1514×785×360
1514×785×360
Weight(Net/Gross)
kg
62/71
62/71
63.5/73
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling only
units dose not have any parameters of performing heating;
③ The sound level is tested under circumstance of semi-anechoic chamber; the value of noise could be a little higher
in actual operation.
20
DC INVERTER MULTI VRF
PRODUCT
GMV(L)-R22PS/NaBK
GMV(L)-R28PS/Na
B-K
GMV(L)-R36PS/Na
B-K
kW
2.2
2.8
3.6
Btu
7507
9554
12284
kW
2.5
3.2
4.0
Btu
8530
10918
13648
m3/h
450
570
570
CFM
265
335
336
Sound Pressure Level (H/L)
dB(A)
37/33
39/35
39/35
External Static Pressure
Pa
50/20
50/20
50/20
220-240V~50Hz
220-240V~50Hz
220-240V~50Hz
Model
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.04
0.06
0.06
Running Current
A
0.28
0.41
0.41
mm
φ9.52
φ9.52
φ12.7
inch
3/8"
3/8"
1/2"
mm
φ6.35
φ6.35
φ6.35
inch
1/4"
1/4"
1/4"
Flare Connection
Flare Connection
Flare Connection
Gas Pipe
Connecting
Pipes
Liquid Pipe
Connection Method
Drain Pipes
(External Dia. × Thickness)
mm
φ20×1.5
φ20×1.5
φ20×1.5
Unit Dimensions
(W×D×H)
mm
880×655×250
880×655×250
880×655×250
Package Dimensions
(W×D×H)
mm
1020×745×305
1020×745×305
1020×745×305
Weight(Net/Gross)
kg
28.5/33.5
30.5/35.5
30.5/35.5
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling only
units dose not have any parameters of performing heating;
③ The sound level is tested under circumstance of semi-anechoic chamber; the value of noise could be a little higher in
actual operation.
21
DC INVERTER MULTI VRF
PRODUCT
GMV(L)-R45PS/NaBK
GMV(L)-R56PS/NaBK
GMV(L)-R71PS/NaBK
kW
4.5
5.6
7.1
Btu
15355
19108
24226
kW
5.0
6.3
8.0
Btu
17060
21496
27296
m3/h
700
1000
1100
CFM
412
589
647
Sound Pressure Level (H/L)
dB(A)
40/36
44/40
45/41
External Static Pressure
Pa
50/20
60/30
60/30
220-240V~50Hz
220-240V~50Hz
220-240V~50Hz
Model
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.07
0.15
0.15
Running Current
A
0.55
1.3
1.3
mm
φ12.7
Φ15.9
Φ15.9
inch
1/2"
5/8"
5/8"
mm
φ6.35
Φ9.52
Φ9.52
inch
1/4"
3/8"
3/8"
Flare Connection
Flare Connection
Flare Connection
Gas Pipe
Connecting
Pipes
Liquid Pipe
Connection Method
Drain Pipes
(External Dia. × Thickness)
mm
Φ30×1.5
Φ30×1.5
Φ30×1.5
Unit Dimensions
(W×D×H)
mm
980×721×266
1155×756×300
1155×756×300
Package Dimensions
(W×D×H)
mm
1068×766×320
1245×785×360
1245×785×360
Weight(Net/Gross)
kg
36/39
51/58
51/58
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling only
units dose not have any parameters of performing heating;
③ The sound level is tested under circumstance of semi-anechoic chamber; the value of noise could be a little higher in
actual operation.
22
DC INVERTER MULTI VRF
PRODUCT
GMV(L)-R90PS/NaBK
GMV(L)-R112PS/NaB
-K
GMV(L)-R140PS/NaB
-K
kW
9.0
11.2
14.0
Btu
30709
38216
47770
kW
10.0
12.5
15.0
Btu
34120
42650
51180
m3/h
1700
1700
2000
CFM
1001
1177
1177
Sound Pressure Level (H/L)
dB(A)
48/44
48/44
50/46
External Static Pressure
Pa
80/40
80/40
100/50
220-240V~50Hz
220-240V~50Hz
220-240V~50Hz
Model
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.225
0.225
0.26
Running Current
A
2.15
2.15
2.67
mm
Φ15.9
Φ15.9
Φ15.9
inch
5/8"
5/8"
5/8"
mm
Φ9.52
Φ9.52
Φ9.52
inch
3/8"
3/8"
3/8"
Flare Connection
Flare Connection
Flare Connection
Gas Pipe
Connecting
Pipes
Liquid Pipe
Connection Method
Drain Pipes
(External Dia. × Thickness)
mm
Φ30×1.5
Φ30×1.5
Φ30×1.5
Unit Dimensions
(W×D×H)
mm
1425×736×300
1425×736×300
1425×736×300
Package Dimensions
(W×D×H)
mm
1514×785×360
1514×785×360
1514×785×360
Weight(Net/Gross)
kg
64/73
64/73
65.5/75
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling only
units dose not have any parameters of performing heating;
③ The sound level is tested under circumstance of semi-anechoic chamber; the value of noise could be a little higher
in actual operation.
23
DC INVERTER MULTI VRF
PRODUCT
4.2.2Cassete Type
GMV (L)R22T/NaA-K
GMV(L)R28T/NaA-K
GMV(L)R36T/NaA-K
GMV(L)R45T/NaA-K
kW
2.2
2.8
3.6
4.5
Btu
7506
9554
12283
15354
kW
2.5
3.2
4.0
5.0
Btu
8530
10918
13648
17060
m3/h
600
600
600
600
CFM
353
353
353
353
dB(A)
47/41
47/41
47/41
47/41
220-240V~
50Hz
220-240V~
50Hz
220-240V~
50Hz
220-240V~
50Hz
Model
Cooling Capacity
Heating Capacity
Air Flow Rate
Sound Pressure Level (H/L)
Power Supply
Fan Motor
Output
kW
0.011
0.011
0.011
0.011
Running
Current
A
0.05
0.05
0.05
0.05
Gas Pipe
Connecting
Pipes
Liquid Pipe
mm
Φ9.52
Φ12.7
inch
3/8"
1/2"
mm
Φ6.35
Φ6.35
inch
1/4"
1/4"
Flare Connection
Flare Connection
Connection Method
Drain Pipes
(External Dia. × Thickness)
mm
Unit Dimensions
(W×D×H)
mm
Main body:570×570×230
Panel:650×650×50
Package Dimensions
(W×D×H)
mm
Main body:848×728×310
Panel:730×670×102
Net Weight
(Main body/Panel)
kg
20/5
Gross Weight
(Main body/Panel)
kg
27/10
Φ30×1.5
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling only
units dose not have any parameters of performing heating;
③ The sound level was tested under circumstance of semi-anechoic chamber; the value of noise could be a little higher in
actual operation.
24
DC INVERTER MULTI VRF
PRODUCT
Model
GMV(L)-R28T/Na-K
GMV(L)-R36T/Na-K
GMV(L)-R45T/Na-K
kW
2.8
3.6
4.5
Btu
9550
12280
15360
kW
3.2
4.0
5.0
Btu
10900
13650
17060
m3/h
680
680
680
CFM
400
400
400
Sound Pressure Level (H/L)
dB(A)
37/34
37/34
37/34
External Static Pressure
Pa
0
0
0
220-240V~50Hz
220-240V~50Hz
220-240V~50Hz
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.035
0.035
0.035
Running
Current
A
0.27
0.27
0.28
mm
Φ9.52
Φ12.7
Φ12.7
inch
3/8"
1/2"
1/2"
mm
Φ6.35
Φ6.35
Φ6.35
inch
1/4"
1/4"
1/4"
Flare Connection
Flare Connection
Flare Connection
Φ30×1.5
Φ30×1.5
Gas Pipe
Connecting
Pipes
Liquid Pipe
Connection Method
Drain Pipes
(External Dia. × Thickness)
mm
Φ30×1.5
Unit Dimensions
(W×D×H)
mm
Main body:840×840×190
Panel:950×950×60
Package Dimensions
(W×D×H)
mm
Main body:960×960×257
Panel:1040×1025×115
Net Weight
(Main body/Panel)
kg
25/6.5
Gross Weight
(Main body/Panel)
kg
33/10
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling only
units dose not have any parameters of performing heating;
③ The sound level was tested under circumstance of semi-anechoic chamber; the value of noise could be a little higher in
actual operation.
25
DC INVERTER MULTI VRF
PRODUCT
Model
GMV(L)-R50T/Na-K
GMV(L)-R56T/Na-K
GMV(L)-R63T/Na-K
kW
5.0
5.6
6.3
Btu
17060
19100
21500
kW
5.8
6.3
7.0
Btu
19790
21500
23890
m3/h
680
1180
1180
CFM
400
695
695
Sound Pressure Level (H/L)
dB(A)
37/34
39/35
39/35
External Static Pressure
Pa
0
0
0
220-240V~50Hz
220-240V~50Hz
220-240V~50Hz
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.035
0.035
0.035
Running
Current
A
0.28
0.37
0.37
mm
Φ12.7
Φ15.9
Φ15.9
inch
1/2"
5/8"
5/8"
mm
Φ6.35
Φ9.52
Φ9.52
inch
1/4"
3/8"
3/8"
Flare Connection
Flare Connection
Flare Connection
Φ30×1.5
Φ30×1.5
Φ30×1.5
Gas Pipe
Connecting
Pipes
Liquid Pipe
Connection Method
Drain Pipes
(External Dia. × Thickness)
mm
Unit Dimensions
(W×D×H)
mm
Package Dimensions
(W×D×H)
mm
Net Weight
(Main body/Panel)
kg
25/6.5
30/6.5
Gross Weight
(Main body/Panel)
kg
33/10
38/10
Main body:840×840
×190
Panel:950×950×60
Main body:960×960
×257
Panel:1040×1025×
115
Main body:840×840×240
Panel:950×950×60
Main body:960×960×310
Panel:1040×1025×115
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling only
units dose not have any parameters of performing heating;
③ The sound level was tested under circumstance of semi-anechoic chamber; the value of noise could be a little higher in
actual operation.
26
DC INVERTER MULTI VRF
PRODUCT
Model
GMV(L)-R71T/Na-K
GMV(L)-R80T/Na-K
GMV(L)-R90T/Na-K
kW
7.1
8.0
9.0
Btu
24230
27300
30700
kW
8.0
8.8
10.0
Btu
27300
30030
34120
m3/h
1180
1180
1860
CFM
695
695
1095
Sound Pressure Level (H/L)
dB(A)
39/35
39/35
40/36
External Static Pressure
Pa
0
0
0
220-240V~50Hz
220-240V~50Hz
220-240V~50Hz
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.035
0.035
0.06
Running
Current
A
0.37
0.37
0.59
mm
Φ15.9
Φ15.9
Φ15.9
inch
5/8"
5/8"
5/8"
mm
Φ9.52
Φ9.52
Φ9.52
inch
3/8"
3/8"
3/8"
Flare Connection
Flare Connection
Flare Connection
Φ30×1.5
Φ30×1.5
Φ30×1.5
Gas Pipe
Connecting
Pipes
Liquid Pipe
Connection Method
Drain Pipes
(External Dia. × Thickness)
mm
Unit Dimensions
(W×D×H)
mm
Main body:840×840×240
Panel:950×950×60
Package Dimensions
(W×D×H)
mm
Main body:960×960×310
Panel:1040×1025×115
Net Weight
(Main body/Panel)
kg
30/6.5
38/6.5
Gross Weight
(Main body/Panel)
kg
38/10
46/10
Main body:840×
840×320
Panel:950×950×60
Main body:960×
960×394
Panel:1040×1025
×115
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling only
units dose not have any parameters of performing heating;
③ The sound level was tested under circumstance of semi-anechoic chamber; the value of noise could be a little higher in
actual operation.
27
DC INVERTER MULTI VRF
PRODUCT
Model
GMV(L)-R100T/Na-K
GMV(L)-R112T/Na-K
kW
10.0
11.2
Btu
34120
38210
kW
11.0
12.5
Btu
37540
42650
m3/h
1860
1860
CFM
1095
1095
Sound Pressure Level (H/L)
dB(A)
40/36
40/36
External Static Pressure
Pa
0
0
220-240V~50Hz
220-240V~50Hz
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.06
0.06
Running
Current
A
0.59
0.59
mm
Φ15.9
Φ15.9
inch
5/8"
5/8"
mm
Φ9.52
Φ9.52
inch
3/8"
3/8"
Flare Connection
Flare Connection
Φ30×1.5
Φ30×1.5
Gas Pipe
Connecting
Pipes
Liquid Pipe
Connection Method
Drain Pipes
(External Dia. × Thickness)
mm
Unit Dimensions
(W×D×H)
mm
Main body:840×840×320
Panel:950×950×60
Package Dimensions
(W×D×H)
mm
Main body:960×960×394
Panel:1040×1025×115
Net Weight
(Main body/Panel)
kg
38/6.5
Gross Weight
(Main body/Panel)
kg
46/10
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling only
units dose not have any parameters of performing heating;
③ The sound level was tested under circumstance of semi-anechoic chamber; the value of noise could be a little higher in
actual operation.
28
DC INVERTER MULTI VRF
PRODUCT
Model
GMV(L)-R125T/Na-K
GMV(L)-R140T/Na-K
kW
12.5
14.0
Btu
42650
47770
kW
13.5
14.5
Btu
46062
49470
m3/h
1860
1860
CFM
1095
1095
Sound Pressure Level (H/L)
dB(A)
40/36
40/36
External Static Pressure
Pa
0
0
220-240V~50Hz
220-240V~50Hz
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.06
0.06
Running
Current
A
0.59
0.59
mm
Φ15.9
Φ15.9
inch
5/8"
5/8"
mm
Φ9.52
Φ9.52
inch
3/8"
3/8"
Flare Connection
Flare Connection
Φ30×1.5
Φ30×1.5
Gas Pipe
Connecting
Pipes
Liquid Pipe
Connection Method
Drain Pipes
(External Dia. × Thickness)
mm
Unit Dimensions
(W×D×H)
mm
Main body:840×840×320
Panel:950×950×60
Package Dimensions
(W×D×H)
mm
Main body:960×960×394
Panel:1040×1025×115
Net Weight
(Main body/Panel)
kg
38/6.5
Gross Weight
(Main body/Panel)
kg
46/10
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling only
units dose not have any parameters of performing heating;
③ The sound level was tested under circumstance of semi-anechoic chamber; the value of noise could be a little higher in
actual operation.
29
DC INVERTER MULTI VRF
PRODUCT
Model
GMV(L)-R22Td/Na-K
GMV(L)-R28Td/Na-K
GMV(L)-R36Td/Na-K
kW
2.2
2.8
3.6
Btu
7506
9550
12280
kW
2.5
3.2
4.0
Btu
8530
10900
13650
m3/h
450
500
500
CFM
265
294
294
Sound Pressure Level (H/L)
dB(A)
45/41
45/41
45/41
External Static Pressure
Pa
0
0
0
220-240V~50Hz
220-240V~50Hz
220-240V~50Hz
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.02
0.02
0.02
Running
Current
A
0.22
0.22
0.22
mm
Φ9.52
Φ9.52
Φ12.7
inch
3/8"
3/8"
1/2"
mm
Φ6.35
Φ6.35
Φ6.35
inch
1/4"
1/4"
1/4"
Flare Connection
Flare Connection
Flare Connection
Φ30×1.5
Φ30×1.5
Gas Pipe
Connecting
Pipes
Liquid Pipe
Connection Method
Drain Pipes
(External Dia. × Thickness)
mm
Φ30×1.5
Unit Dimensions
(W×D×H)
mm
Main body:920×360×185
Package Dimensions
(W×D×H)
mm
Net Weight
(Main body/Panel)
kg
16/3
Gross Weight
(Main body/Panel)
kg
25/5
Panel:1180×430×30
Main body:1290×465×270
Panel:1260×505×110
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling only
units dose not have any parameters of performing heating;
③ The sound level was tested under circumstance of semi-anechoic chamber; the value of noise could be a little higher in
actual operation
30
DC INVERTER MULTI VRF
PRODUCT
4.2.3 Wall mounted Type
Model
GMV(L)-R22G/NaB-K
GMV(L)-R28G/NaB-K
GMV(L)-R36G/NaB-K
kW
2.2
2.8
3.6
Btu
7507
9554
12284
kW
2.5
3.2
4.0
Btu
8530
10919
13649
m3/h
360
360
500
CFM
212
212
294
Sound Pressure Level
(H/L)
dB(A)
37/28
37/28
43/28
External Static Pressure
Pa
0
0
0
220-240V~50Hz
220-240V~50Hz
220-240V~50Hz
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.014
0.014
0.022
Running
Current
A
0.15
0.15
0.22
mm
Φ9.52
Φ9.52
Φ12.7
inch
3/8"
3/8"
1/2"
mm
Φ6.35
Φ6.35
Φ6.35
inch
1/4"
1/4"
1/4"
Flare Connection
Flare Connection
Flare Connection
Gas Pipe
Connecting
Pipes
Liquid Pipe
Connection Method
Drain Pipes
(External Dia. ×Thickness)
mm
Φ20×1.5
Φ20×1.5
Φ20×1.5
Unit Dimensions
(W×D×H)
mm
830×189×285
830×189×285
830×189×285
Package Dimensions
(W×D×H)
mm
995×394×268
995×394×268
995×394×268
Weight(Net/Gross)
kg
8/14.3
8/14.3
11/15.8
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling only
units dose not have any parameters of performing heating;
③ The sound level was tested under circumstance of semi-anechoic chamber; the value of noise could be a little higher in
actual operation.
31
DC INVERTER MULTI VRF
PRODUCT
Model
GMV(L)-R45G/NaB-K
GMV(L)-R50G/NaB-K
GMV(L)-R56G/NaB-K
kW
4.5
5.0
5.6
Btu
15355
17061
19108
kW
5.0
5.8
6.3
Btu
17061
19790
21496
m3/h
500
700
750
CFM
294
412
441
Sound Pressure Level
(H/L)
dB(A)
43/28
45/40
45/40
External Static Pressure
Pa
0
0
0
220-240V~50Hz
220-240V~50Hz
220-240V~50Hz
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.022
0.02
0.02
Running
Current
A
0.22
0.25
0.26
mm
Φ12.7
Φ12.7
Φ15.9
inch
1/2"
1/2"
5/8"
mm
Φ6.35
Φ6.35
Φ9.52
inch
1/4"
1/4"
3/8"
Flare Connection
Flare Connection
Flare Connection
Gas Pipe
Connecting
Pipes
Liquid
Pipe
Connection Method
Drain Pipes
(External Dia. ×
Thickness)
mm
Φ20×1.5
Φ30×1.5
Φ30×1.5
Unit Dimensions
(W×D×H)
mm
830×189×285
1020×228×310
1020×228×310
Package Dimensions
(W×D×H)
mm
1006×385×265
1178×325×390
1178×325×390
Weight(Net/Gross)
kg
11/15.8
15.5/20.5
15.5/20.5
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling only
units dose not have any parameters of performing heating;
③ The sound level was tested under circumstance of semi-anechoic chamber; the value of noise could be a little higher in
actual operation.
32
DC INVERTER MULTI VRF
PRODUCT
Model
GMV(L)-R22G/NaC-K
GMV(L)-R28G/NaC-K
GMV(L)-R36G/NaC-K
kW
2.2
2.8
3.6
Btu
7507
9554
12284
kW
2.5
3.2
4.0
Btu
8530
10919
13649
m3/h
360
360
500
CFM
212
212
294
Sound Pressure Level
(H/L)
dB(A)
37/28
37/28
43/28
External Static Pressure
Pa
0
0
0
220-240V~50Hz
220-240V~50Hz
220-240V~50Hz
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.014
0.014
0.022
Running
Current
A
0.15
0.15
0.22
mm
Φ9.52
Φ9.52
Φ12.7
inch
3/8"
3/8"
1/2"
mm
Φ6.35
Φ6.35
Φ6.35
inch
1/4"
1/4"
1/4"
Flare Connection
Flare Connection
Flare Connection
Gas Pipe
Connecting
Pipes
Liquid
Pipe
Connection Method
Drain Pipes
(External Dia. ×
Thickness)
mm
φ20×1.5
φ20×1.5
φ20×1.5
Unit Dimensions
(W×D×H)
mm
770×190×250
770×190×250
830×189×285
Package Dimensions
(W×D×H)
mm
955×330×272
955×272×330
1006×395×295
Weight(Net/Gross)
kg
8/14.3
8/14.3
11/15.8
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling only
units dose not have any parameters of performing heating;
③ The sound level was tested under circumstance of semi-anechoic chamber; the value of noise could be a little higher in
actual operation.
33
DC INVERTER MULTI VRF
PRODUCT
Model
GMV(L)-R45G/NaC-K
GMV(L)-R71G/Na-K
GMV(L)-R80G/Na-K
kW
4.5
7.1
8.0
Btu
15355
24226
27297
kW
5.0
8.0
9.0
Btu
17061
27297
30709
m3/h
500
1200
1200
CFM
294
706
706
Sound Pressure Level
(H/L)
dB(A)
43/28
49/42
49/42
External Static Pressure
Pa
0
0
0
220-240V~50Hz
220-240V~50Hz
220-240V~50Hz
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.022
0.026
0.026
Running
Current
A
0.22
0.29
0.39
mm
Φ12.7
Φ15.9
Φ15.9
inch
1/2"
5/8"
5/8"
mm
Φ6.35
Φ9.52
Φ9.52
inch
1/4"
3/8"
3/8"
Flare Connection
Flare Connection
Flare Connection
Gas Pipe
Connecting
Pipes
Liquid
Pipe
Connection Method
Drain Pipes
(External Dia. ×
Thickness)
mm
Φ30×1.5
φ30×1.5
φ30×1.5
Unit Dimensions
(W×D×H)
mm
830×189×285
1178×227×326
1178×227×326
Package Dimensions
(W×D×H)
mm
1006×395×295
1365×417×333
1365×417×333
Weight(Net/Gross)
kg
11/15.8
17.5/23
17.5/23
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling only
units dose not have any parameters of performing heating;
③ The sound level was tested under circumstance of semi-anechoic chamber; the value of noise could be a little higher in
actual operation.
34
DC INVERTER MULTI VRF
PRODUCT
4.2.4Floor Ceiling Type
Model
GMV(L)-R28Zd/Na-K
GMV(L)-R36Zd/Na-K
GMV(L)-R50Zd/Na-K
kW
2.8
3.6
5.0
Btu
9554
12284
17061
kW
3.2
4.0
5.8
Btu
10919
13649
19790
m3/h
550
600
700
CFM
324
353
412
Sound Pressure Level
(H/L)
dB(A)
43/-
44/-
50/-
External Static Pressure
Pa
0
0
0
220-240V~50Hz
220-240V~50Hz
220-240V~50Hz
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.01
0.01
0.04
Running
Current
A
0.1
0.1
0.4
mm
Φ9.52
Φ12.7
Φ12.7
inch
3/8"
1/2"
1/2"
mm
Φ6.35
Φ6.35
Φ6.35
inch
1/4"
1/4"
1/4"
Flare Connection
Flare Connection
Flare Connection
Gas Pipe
Connecting
Pipes
Liquid
Pipe
Connection Method
Drain Pipes
(External Dia. ×
Thickness)
mm
Φ17×1.75
Φ17×1.75
Φ17×1.75
Unit Dimensions
(W×D×H)
mm
840×238×695
840×238×695
840×238×695
Package Dimensions
(W×D×H)
mm
1035×295×805
1035×295×805
1035×295×805
Weight(Net/Gross)
kg
28/37
28/37
28/37
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling only
units dose not have any parameters of performing heating;
③ The sound level was tested under circumstance of semi-anechoic chamber; the value of noise could be a little higher in
actual operation.
35
DC INVERTER MULTI VRF
PRODUCT
Model
GMV(L)-R71Zd/Na-K
GMV(L)-R90Zd/Na-K
kW
7.1
9.0
Btu
24226
30709
kW
8.0
10.0
Btu
27297
34121
m3/h
1170
2100
CFM
689
1236
Sound Pressure Level (H/L)
dB(A)
48/-
51/-
External Static Pressure
Pa
0
0
220-240V~50Hz
220-240V~50Hz
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.1
0.15
Running Current
A
1
1.5
mm
Φ15.9
Φ15.9
inch
5/8"
5/8"
mm
Φ9.52
Φ9.52
inch
3/8"
3/8"
Flare Connection
Flare Connection
Gas Pipe
Connecting
Pipes
Liquid Pipe
Connection Method
Drain Pipes
(External Dia. × Thickness)
mm
Φ17×1.75
Φ17×1.75
Unit Dimensions
(W×D×H)
mm
1300×188×600
1590×238×695
Package Dimensions
(W×D×H)
mm
1514×248×724
1714×330×830
Weight(Net/Gross)
kg
34/38
44/53
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling only
units dose not have any parameters of performing heating;
③ The sound level was tested under circumstance of semi-anechoic chamber; the value of noise could be a little higher in
actual operation.
36
DC INVERTER MULTI VRF
PRODUCT
Model
GMV(L)-R112Zd/Na-K
GMV(L)-R125Zd/Na-K
kW
11.2
12.5
Btu
38216
42652
kW
12.5
13.5
Btu
42652
46064
m3/h
2200
2300
CFM
1295
1354
Sound Pressure Level (H/L)
dB(A)
54/-
55/-
External Static Pressure
Pa
0
0
220-240V~50Hz
220-240V~50Hz
Cooling Capacity
Heating Capacity
Air Flow Rate
Power Supply
Fan Motor
Output
kW
0.18
0.18
Running Current
A
1.8
1.8
mm
Φ15.9
Φ15.9
inch
5/8"
5/8"
mm
Φ9.52
Φ9.52
inch
3/8"
3/8"
Flare Connection
Flare Connection
Gas Pipe
Connecting
Pipes
Liquid Pipe
Connection Method
Drain Pipes
(External Dia. × Thickness)
mm
Φ17×1.75
Φ17×1.75
Unit Dimensions
(W×D×H)
mm
1590×238×695
1590×238×695
Package Dimensions
(W×D×H)
mm
1714×330×830
1714×330×830
Weight(Net/Gross)
kg
44/53
44/53
Notes:
① Refer to the product nameplate for parameters and specification of the unit;
② The model with GMVL code is cooling only unit; while the model with GMV code is heat pump unit; the cooling only
units dose not have any parameters of performing heating;
③ The sound level was tested under circumstance of semi-anechoic chamber; the value of noise could be a little higher in
actual operation.
4.3 Operation Range
Model
Range of outdoor temperature℃(℉)
Cooling
10℃(50℉)~48℃(118.4℉)
Heating
-20℃(-4℉)~27℃(8℉)
37
DC INVERTER MULTI VRF
PRODUCT
5 PIPING DIAGRAM
5.1 Cooling Only
M
Heat
Exchanger
with Axial
Flow Fan
Receiver
extra condenser
Outdoor side
Capillary
Electromagnetic valve
Capillary
Oil separator
High pressure
switch
Compressor
Accumulator
Stop valve
Heat Exchanger with Centrifugal Fan
Indoor side
Heat Exchanger with Centrifugal Fan
Electronic
Expansion
Valve
cooling
Electronic
Expansion
Valve
38
DC INVERTER MULTI VRF
PRODUCT
5.2 Heat Pump
Electronic expansion valve
Filter
Filter
M
Heat exchanger
with axial flow fan
1-way valve
Receiver
Extra condenser
4-way valve
Capillary
Outdoor side
Electricmagnetic valve
Capillary
Oil separator
Compressor
Accumulator
Stop valve
Indoor side
Heat exchanger with centrifugal fan
Electronic expansion valve
heating
cooling
Heat exchanger with centrifugal fan
Electronic expansion valve
39
GREE COMMERCIAL AIR CONDITIONER
DC INVERTER MULTI VRF
CONTROL
40
DC INVERTER MULTI VRF
CONTROL
CONTROL
1 OPERATION FLOWCHART
41
DC INVERTER MULTI VRF
CONTROL
1.1 Cooling/Dry Operation
Cooling Operation
Guide Louver
There Is Not
There Is
Guide Louvers Swing
Fan Motor: Operation
In The Process Of
Preventing Restart Operation?
(3 Minutes)
Yes
No
Temperature
Adjustment?
Yes
No
Fan Motor:Stop
Electronic Expansion Valve: Close
Electronic Expansion
Valve: Capacity Control
A
(Go To The Previous Page)
42
DC INVERTER MULTI VRF
CONTROL
1.2 Heating Operation
43
DC INVERTER MULTI VRF
CONTROL
2 MAIN LOGIC
2.1 Control Function of Outdoor Unit
1)
Compressor Capacity Output
It is defined that the full load capacity output of the compressor is 100%.
The compressor capacity output is calculated according to the required indoor load, which is
related to the following factors: whether the indoor unit is started, the set temperature, the indoor
ambient temperature, the outdoor ambient temperature, etc.
Calculation of capacity output of cooling compressor
j
Q=
∑ (q
i =1
iON
Ai )
j
∑q
i =1
× 100%
i
Calculation of capacity output of heating compressor
j
Q=
∑ (q
i =1
iON
Ai + qiOFF × Bi )
j
∑q
i =1
× 100%
i
For inverter compressor
f
= Fmax
× Q ,and when f
is not 0,, the minimum is
Fmin ,the maximum is Fmax
Among which:
Q is the calculated compressor capacity output;
f Actual run frequency of inverter compressor;
Fmax Maximum allowable run frequency of inverter compressor;
Fmin Minimum allowable run frequency of inverter compressor
qi Rated capacity of indoor unit
qiON Rated capacity of indoor unit in ON state
qiOFF Rated capacity of indoor unit in OFF state
Ai Setting temperature, correction of indoor and outdoor ambient temperature, %
Bi Capacity compensation under heating when indoor unit in OFF state, %;
2) Compressor Start Control
◆ The shortest operating time of the compressor is 6 minutes. But when the switching-off signal or
the protection signal is received, the compressor must stop even if the operation of it has not
lasted for 6 minutes.
◆ The shortest stoppage period of the compressor is 3 minutes. The compressor must not be
started at any time within 3 minutes after the compressor is stopped.
◆ If the capacity demand of each indoor unit is 0 when the whole unit group is under heating state,
the compressor must be stopped (if under the heating operation alone the temperature of stop
control is reached, the compressor must be stopped).
★ Initial Sequence Chart of Cooling/Dry Modes:
During the first starting and frequency-rising process of compressor, the first dwell time is
respective 3min, 5min and 5min when the frequency passed 60Hz, 75Hz and 90Hz. If
high-pressure frequency-reducing and exhausting frequency-reducing happens during the
process, you should quit the initial action, and deal with according to their separate
44
DC INVERTER MULTI VRF
CONTROL
frequency-reducing.
★ Initial Sequence Chart of Heating Mode:
Before the first starting of compressor, you should keep it running for 3min at 60Hz, and then
switch to the target frequency. The dwell time is separately 5min and 5 min when the frequency
passes 75 Hz and 90 Hz. If high-pressure frequency-reducing and exhausting frequency-reducing
happens during the process, you should quit the initial action, and deal with according to their
separate frequency-reducing.
45
DC INVERTER MULTI VRF
CONTROL
Shown as the following figure:
To the target frequency
Frequency Initialization pause point
Inverter controller
Power the four-way valve if the high and low voltage
deviation is no less than 3kg/cm2G
4-way Valve
Fan
Initialization
350-step
Outdoor unit EXV
Indoor unit EXV
0- step
Initialization
250-step
Regulate according to
normal logic
3) Outdoor fan control
Definition of fan speed: Ultra-high fan speed: the upper and lower fans are both at high speed; High fan speed:
the upper and lower fans are both at medium speed; Medium fan speed: the upper and lower fan are both at low
speed; Low fan speed: the upper fan is at low speed, the lower fan stops; Stop fan speed: both the upper and lower
fans stop.
◆ Cooling Mode:
The fan could be switched among ultra-high - high - medium - low fan speed.
The compressor should be forced to run at high fan speed for 35 seconds before started. After the compressor
started, you should not stop it within 3 minutes, but you could regulate it up to ultra-high fan speed. The discharge
pressure should be measured 3 minutes later, and you can regulate the fans’ speed according to the following
discharge pressure:
Absolute pressure
value for discharge
(℃)
Cooling
P≤30℃
30℃<P≤42℃
42℃<P≤49℃
P>49℃
Turn down one
Remain
Turn up one
grade (not including
grade
stopping
windshield )
For ultra-high fan speed, you couldn’t turn up the grade anymore;
◆ Heating Mode:
The fan should run at high fan speed for 35s before the compressor is started, meanwhile, it is not allowed to turn
up to ultra-high fan speed within the earlier 3 minutes after the compressor started, but it could be switched to low
speed and stopping fan. You could turn up to the highest level ultra-high fan speed after 3 minutes.
Pressure section:
Absolute pressure value
P≤37℃
37℃<P<48℃
P≥48℃
for discharge(℃)
Heating
Shutdown the
fan forcibly
Turn up one grade
Remain
Turn down one grade
4) Defrosting Function
◆ Defrosting Start Conditions
Keep heating (the four-way valve is under the heating position) for 50 minutes; when the intermediate sensor
temperature and outdoor ambient temperature retain the following curve figure for 120s,
46
CONTROL
Intermediate sensor temperature (℃)
DC INVERTER MULTI VRF
Outdoor dry bulb temperature (℃)
Or the outdoor ambient temperature is below -6 ℃; and keeps heating (the four-way valve is under the heating
position) for 2 hours;
◆ Defrosting Stop Conditions:
Outdoor coil pipe temperature is higher than 15 ℃ or the defrosting is running for 10 minutes continuously.
◆ Defrosting Movements:
The defrosting is made by switching four-way valve to cooling mode.
The action time for unit defrosting operation is shown as the following figure.
Timing diagram of the defrosting process
47
DC INVERTER MULTI VRF
CONTROL
Heating timer
Defrosting mark
Defrosting timer
Compressor frequency
4-way Valve
High fan
Outdoor fan
Outdoor electronic
expansion valve
Air Bypass OFF
Anti-cold air operation
Indoor fan ON
Indoor electronic
expansion valve
T = <10 Minutes
30s
30s
2 minute
1 minute 1 minute
Defrosting preparation
2 minute
Defrosting process
4 minute
End of defrosting
1.3.2 Control Function of Indoor Unit
1) Cooling Operation
◆ Cooling Capacity
Outdoor unit will determine the compressor capacity output according to the capacity requirements of indoor unit;
Indoor unit will determine the opening of indoor electronic expansion valve by the control of outdoor unit, and the
electronic expansion valve should be set once for every 40 seconds.
◆ Temperature Control
Indoor unit will control the temperature by opening and closing of indoor electronic expansion valve (Shown as the
following figure):
When the indoor unit capacity requirement is 0, you should close the electronic expansion valve;
When the indoor unit of capacity requirement is not 0, you should open the electronic expansion valve
Expansion
valve ON
膨胀阀ON
Expansion Valve
OFF
膨胀阀OFF
Indoor Ambient 室内环境温度
Temperature
-1
+1
Indoor Setting
Temperature
室内设定温度
If all the indoor units’ temperatures of a unit are up to temperature spot, then the capacity needs is o. the outdoor
unit will stop the compressor, and all the indoor electromagnetic expansion valve will be closed.
◆Indoor Fan Action
When the indoor unit is opened and the fan is not set at automatic fan speed, the indoor fan will unceasingly
48
DC INVERTER MULTI VRF
CONTROL
run at the set speed regardless of the capacity requirement is 0 or not.
When the indoor fan is set at automatic fan speed, the fan will determine the fan according to the changes of indoor
ambient temperature, shown as the following figure:
高风档
High
中风档
Medium
Low
低风档
Indoor Ambient 室内环境温度
Temperature
+1
+2 +3 +4
Indoor
setting temperature
室内设定温度
Automatic cooling fan speed
制冷自动风速
(Common)
(通用)
高风档
High
Medium
中风档
低风档
Low
+1
室内环境温度
Indoor Ambient Temperature
+2 +3 +4
室内设定温度
Indoor
setting temperature
Automatic
cooling fan speed
制冷自动风速
(Trendy)
(菱格风)
Automatic fan speed switching will be detected every 30 seconds.
If the indoor fan is closed at first, the fan will be forced to run at high speed for 8s after start-up, then changed to
setting speed.
◆ Blowing Residual Cold Air Control
When the indoor unit is turned off, the fan will run for 0-60 seconds at the setting speed or automatic speed
When the capacity requirement of indoor unit is 0, the electronic expansion valve of indoor unit will be closed, and
then the fan will unceasingly run at the setting speed or automatic speed.
2) Dry Operation
When the units work under dry mode, the indoor fan could only work at low speed (no matter what speed is set). All
other actions are the same with cooling operation. Please refer to cooling operation.
Low
低风档
Indoor ambient
temperature
室内环境温度
-1
+1
Indoor
setting temperature
室内设定温度
If the indoor fan is closed at first, the fan will be forced to run at high fan for 8s after start-up, then changed to
setting speed.
2) Heating Operation
◆ Heating Capacity
Outdoor unit will determine the compressor capacity output according to the capacity requirements of indoor unit.
Indoor unit will determine the opening of indoor electronic expansion valve by the control of outdoor unit, and the
electronic expansion valve should be set once for every 40 seconds.
◆ Temperature Control
Indoor unit will control the temperature by opening and closing of indoor electronic expansion valve (Shown as
the following figure):
When the indoor unit capacity requirement is 0, the electronic expansion valve should be closed;
When the indoor unit of capacity requirement is not 0, the electronic expansion valve should be open.
Expansion
valve ON
膨胀阀ON
Expansion
Valve OFF
膨胀阀OFF
Indoor Ambient Temperature
室内环境温度
-1
+1
Indoor
Setting Temperature
室内设定温度
◆ Fan Control
49
DC INVERTER MULTI VRF
CONTROL
When the indoor unit has capacity requirement:
If the automatic fan speed is not set, the indoor fans will unceasingly run at the setting speed.
When the indoor fan is set at automatic speed, the fan will determine the fan speed according to the changes
of indoor ambient temperature, shown as the following figure:
High
高风档
中风档
Medium
Low
低风档
Indoor ambient temperature
室内环境温度 -3
-2
-1
+1 +2
Indoor
setting temperature
室内设定温度
Automatic
heating fan speed
制热自动风速
(通用)
(Common)
高风档
High fan
中风档 fan
Medium
Low
fan
低风档
室内环境温度 -3
Indoor ambient temperature
-2
-1
+1 +2
Indoor
setting temperature
室内设定温度
Automatic
heating fan speed
制热自动风速
(Trendy)
(菱格风)
Automatic fan switching will be detected every 30 seconds.
If the indoor fan is closed at first, the fan will be forced to run at high fan for 8s after started-up, then changed to
setting speed.
◆ Anti cold air operation
When the indoor unit has the capability requirement, the indoor fan will be forced into the off state, and run
according to the following conditions:
If the indoor unit evaporator temperature t evaporator has reached the valve value T v-evaporator, then the indoor fan will
run at the set fan speed after running 8 seconds at high speed; If the indoor unit evaporator temperature t evaporator
has still not reached the valve value T v-evaporator after 1 min, the indoor fan will be forced to run at high speed for 3s
and then run at the setting speed; shown as the following table:
Series of cassette
Series of wall
Model
and duct types
mounted type
Anti-cold air valve value T
v-evaporator table(℃)
35
39
T v-evaporator
t / 。C
Tv-evaporatorTv蒸
High
高风档
Fan
OFF
风机关
t evaporator
t蒸发器
Setting
speed
设定风速
8s
t/s
60s
0
t evaporator tReaching
the valve value within one minute
蒸发器 一分钟内达到阀值
50
DC INVERTER MULTI VRF
CONTROL
t
t / 。C
t 蒸发器
evaporator
Tv-evaporatorTv蒸
高风档
High
风机关
Fan
OFF
Setting
speed
设定风速
8s
t/s
0
t evaporator
60s
t蒸发器 一分钟内未达到阀值
Failing
to reach the valve value within one minute
Once the indoor unit started under heating operation, if the fan stops in any case (including starting up,
defrosting, fault, no capability needs), the anti cold air operation will keep before starting the fan for the next time.
Once the indoor fan is started, unless the fan stops, the anti cold air operation will not take effect even t evaporator
< T v-evaporator again.
◆ Blowing Residual Heat Operation
When the indoor unit runs under heating mode, if it should be stopped for reaching the temperature spot, fault,
defrosting etc., you should carry on the blowing residual heat operation before stop, in order to exclude the inner
surplus heat of evaporator and electric heater.
When the indoor unit needs to carry out blowing residual heat operation, the indoor fan should be switch to low
fan speed, and turn off the indoor fan after running the corresponding period T residual heat. Show as the following
figure:
Unnecessary for
blowing residual
不需要吹余热
heat
Setting wind
speed
设定风速
Necessary for blowing residual heat
需要吹余热
Low speed
低风档
Fan OFF
风机关
T余热
Tresidual heat
t/s
0
The corresponding residual heat removal period for different models in different situations is listed in the
following table.
Model
Duct Type Series
The blowing period for residual heat in different situations T residual heat
(s)
Reaching the
Entering into
Malfunction
Stop
temperature
the defrosting
stop
point
100
60-100
60
60
Wall Mounting
50
10-50
10
10
Type Series
Cassette Type
Low wind,
60
20
20
Series
non-stop
Special case: For the indoor units of cassette series, it will run at low fan speed when it reaches the temperature
point, and do not need to stop the fan.
3) Compensation for Heating Temperature
Under the standard conditions, when the air conditioner is running, the units will regulate the capacity output of
indoor unit according to its setting temperature and air inlet temperature, and in order regulate the indoor
temperature to the set temperature. When the air conditioner is installed too high and under the heating mode, the
hot air will easily gather up due to the density, so the temperature of living space may not reach the set
temperature, leading to uncomfortable feeling.
Therefore, you should use the temperature compensation function under heating mode: to reflect the real
temperature of living space by reducing 2 degrees of the air inlet temperature. You may keep comfortable
temperature in the living space. Shown as the following figure:
51
DC INVERTER MULTI VRF
CONTROL
Expansion
valve ON
膨胀阀ON
Expansion
Valve OFF
膨胀阀OFF
Indoor ambient室内环境温度
temperature (air
inlet temperature)
(回风口温度)
-1
+1
Indoor
Setting Temperature
室内设定温度
Temperature标准情况下的温度调节
regulation under standard conditions
膨胀阀ON
Expansion valve ON
Expansion
膨胀阀OFFValve OFF
Indoor ambient temperature (air
室内环境温度
-1
inlet temperature)
(回风口温度)
+1
+2 +3
Indoor
Setting Temperature
室内设定温度
Temperature具有温度补偿的温度调节
regulation with temperature compensation
4) Auto swing control
The indoor units of Wall mounting and cassette series have the swing function. By this function, you can increase
the indoor air convection and the uniformity of indoor temperature regulation.
◆Reset
The swing louver will sway once automatically when electrifying for the first time. It can make the swing louver
return to the initial positions, and ensure the accuracy of swing louver action.
◆Using Indoor Units’ Own Buttons for Start
When you use the indoor units’ own buttons for start, the automatic swing will work automatically. The swing louver
will swing back and forth between the max and min positions (there are different max and min positions according
to different modes)
◆ Use the Wired Controller or Remote Controller for controlling
When using the wired controller or remote controller for start, if you don’t set the automatic swing signal when
starting, the swing louver will stop at default location (The default locations are different according to different
modes). If the automatic swing signal has been set well when starting, the automatic swing will automatically work.
The swing louver will swing back and forth between the max and min positions (there are different max and min
positions according to different modes).
Cooling / Dry / Fan mode
Heating mode
When the wired controller or remote controller sends an automatic swing signal, the automatic swing function
will be started, and the swing louver begins to swing from current position.
When the wired controller or remote controller sends a stopping swing signal, the automatic swing function will
be stopped, and the swing louver stops at current position.
◆ Others
When the indoor unit receives the shutdown signal, detecting the fault signal and defrosting signal unless the
auxiliary electric heating protection, no matter the swing louver are under any state, they will all stop at initial
position after the cessation of indoor fans.
When the indoor units detected the auxiliary electric heating protection, no matter the indoor units are under
any state, the automatic swing will work, and the indoor fans will run at high speed at the same time.
5) Controlling of drainage pump motor
Cassette indoor units have drainage pump device to discharge the condensation water which is produced during
cooling or drying.
◆ When the indoor unit is operating under cooling or dry mode, the water pump and compressor will start at the
same time.
◆ When powering off or cooling stop, drying stop or transfering to other modes, the water pump will be powered
off after five miuntes.
◆When water level is flooded for 8 second at any mode (include power-off), the water pump must be started at
once. The pump will not stop running untill the flooding signal disappears and it will stop running ten minutes after
52
DC INVERTER MULTI VRF
CONTROL
the flooding signal disappears.
制冷停机
Cooling
stop
制冷
Cooling
Non-cooling
非制冷
Non-cooling
非制冷
Compressor
start
压缩机开
Compressor
压缩机关 stop
压缩机关
Compressor
stop
Pump
start
水泵开
Pump
stop
水泵关
Pump
水泵关stop
5m
Pump
水泵开start
Pump
水泵关 stop
5m
t
Water full
水满信号有效
signal
is valid
Water full
signal is
水满信号无效
invalid
Pump
水泵关stop
水满信号消除
Water
full signal is disappears
8s
水泵开
Pump
start
Pump
stop
水泵关
10m
t
6) Anti- frosting operating undercooling and drying operation
When evaporator temperature is too low under cooling and drying operation, in order to avoid indoor unit frosting
and affect the cooling effect, you should carry out anti frosting operating at approproate time.
Under cooling and drying mode, after the compressor starts for TCompressor (minutes), when continuously
measuring that the TTube-inlet temperature ≤TFrosting temperature of evaporator for Tantifrosting,, the antifreezing protection will
operate and the indoor fan and swing fan will keep the former state; when the TTube-inlet temperature ≤TFrosting temperature,
the LED will not light and the controller will operate as setting mode.
The parameter of TCompressor, TDefending frost, TFrosting temperature and TReset temperature will be different according to the model,
as shown:
TFrosting temperature
TReset temperature
TDefending frost
Model
TCompressor (m)
(m)
(℃)
(℃)
Series of
cassete and
15
10
-4
15
duct type
Series of wall
mounted
6
3
0
10
type
7) Controling of indoor electronic expansion valve
◆ Reset control of indoor electronic expansion valve
When the indoor unit is energized, it will automatically carry out the electronic expansion valve reposition action,
to make the electronic expansion valve return the initial position, and ensure the accuracy of expansion valve’s
action.
◆ Controling of superheating degree in cooling mode
In the operation process of cooling and drying , to keep suitable superheating degree, the unit will control the jaw
opening of indoor electronic expansion valve according to the difference between entry temperature and setting
superheating value of indoor unit evaporator.It will be detected every 40 seconds. This process will stop when
powering off, stop after reaching temperature point and malfunction.
◆ Controlling of supercooling degree in heating mode
In the operation process of heating, to keep suitable supercooling degree, the unit will control the jaw opening of
indoor electronic expansion valve according to the difference between entry temperature and setting supercooling
value of indoor unit evaporator. It will be detected every 40 seconds. This process will stop when powering off, stop
after reaching temperature point and malfunction.
8) Controling of sensor test
◆ Ambient temp. sensor
When the ambient temperature is measured lower than -20℃ or higer than 100℃ for one minute continuously,
the ambient sensor error signal will be sent(error code: F0), and then indoor unit will stop for abnormity.
When the environment sensor is in trouble, the environment temperature is tested lower than -20℃ or higer
than 100℃ for one minute continuously, the ambient sensor error signal will disappear, and indoor unit will operate
as the former state.
◆ Evaporator temp sensor
When the evaporator temperature is measured lower than -30℃ or higer than 100℃ for one minute
continuously,the evaporator temp sensor error signal will be sent (error code: F0), and then indoor unit will stop for
abnormity.
53
DC INVERTER MULTI VRF
CONTROL
When the evaporator temperature sensor is in trouble, the evaporator temperature is measured lower than -30℃
or higer than 100℃ for one minute continuously,, the evaporator temperature sensor error signal will disappear,
and the indoor unit will operate as the former state.
◆The measure times should not be accumulatived
Fault Type
Error Code
Indoor ambient temperature sensor error
F0
Indoor tube-inlet sensor error
F1
Indoor tube sensor error
F2
Indoor tube-exit sensor error
F2
Upper limit value
上限值
感温包
Temperature
of sensor
温度
下限值
Lower limit value
故障产生
Error
producing
Error故障恢复
resume
故障产生
Error
producing
Error故障恢复
resume
感温包故
Sensor fault state
障状态
1m
1m
1m
1m
<1m
t
9) Address setting of indoor unit
Indoor unit at the same units must have exclusive address to operate, so you should set the address when
installing the indoor unit.
The address of indoor unit at the same units is not allowed to repeat.
The address of the same indoor unit should conform to the address of remote controller.
The address setting of indoor unit and remote controller should use address DIP switch, which is set on the
mainboard of indoor unit and remote control, and has the sign of “address”.
The address which DIP switch refers to is listed as follows.
Dial-up code table (4 positions DIP switch)
Position
4
Position
3
Position
2
Position
1
Address
Position
4
Position
3
Position
2
Position
1
Address
ON
ON
ON
ON
1
OFF
ON
ON
ON
9
ON
ON
ON
OFF
2
OFF
ON
ON
OFF
10
ON
ON
OFF
ON
3
OFF
ON
OFF
ON
11
ON
ON
OFF
OFF
4
OFF
ON
OFF
OFF
12
ON
OFF
ON
ON
5
OFF
OFF
ON
ON
13
ON
OFF
ON
OFF
6
OFF
OFF
ON
OFF
14
ON
OFF
OFF
ON
7
OFF
OFF
OFF
ON
15
ON
OFF
OFF
OFF
8
OFF
OFF
OFF
OFF
16
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DC INVERTER MULTI VRF
CONTROL
11) About functional DIP swicth S7 ( for Na-K series)
Before the mainboard is electrified, the setting of DIP swicth S7 must be finished, this switch will decide
the working mode of indoor unit; the position of ducted units is 4, and other machine is 3.
Functional description as follows:
DIP swicth silk
print
1(S / R)
2(L / I)
3(M / S)
Functional Description
Selecting of memory mode:
A. Electrifying renew mode and electrifying
standby mode select;
B. This function is effective without wired
controller.
Selecting of wired controller and receiver head
A. If you select wired controller the function of
receiver head will be shield;
B. If you select receiver head the wired
controller can not work.
Setting of master / slave indoor unit:
A. To slove the problem of mode conflict;
B. This function will be effective when
controlled without wired controller.
Dialing on
Dialing off
Electrifying
standby
Electrifying
renew
Selected
wired
controller
Selected
receiver head
Master indoor
unit
Slave indoor
unit
Selecting of ambient temperature sensor (Only
Ambient
Ambient
for ducted units):
A.
Selecting
of
mainboard
ambient
temperature
temperature
sensor on
sensor on
4(I / O)
temperature sensor(TAmbient and receiver head
temperature sensor(TAmbient1);
mainboard is
receiver head is
B. This function will be effective when
selected
selected
mainboard controlled without wired controller.
Functional description of master / slave indoor unit:
◆ This function is effective without wired controller. if it has wired controller, the master / slave unit function is
operated by wired controller;
◆ The complete unit will judge automatically. it will select the minimum indoor unit address code and minimum
pinboard address code as master indoor unit.
◆ Once the indoor unit address is decided, the operation mode of the complete unit will follow the operation mode
of the selected unit. For example, if the master indoor unit is in cooling (heating) mode, the outdoor will operate
under cooling(heating) mode, and any indoor units which operate under cooling (heating) mode will show mode
conflict.
◆ When the master indoor unit meets power failure or is turned off, the unit mode will be treated as the former
mode conflict, i.e. the operation mode of the indoor unit mode is the operation mode of the complete unit.
About functional DIP swicth S7 ( for Cassette Type)
The 3-bit dial switch must be set before energizing the main board and it determines running state of
indoor unit.
Function of it is as follow:
Dial switch
Silk screen
1(S / R)
2(L / I)
Function
Selection of memory mode:
A:Selection between reset mode and standby mode after
Dial ON
Standby
after
Dial OFF
Reset after
energizing
energizing
B:This function is available without wired controller.
energizing
Selection between manual controller and receiver
A:If manual controller is selected, remote-control function of
Selecting
Selecting
receiver will be shielded.
B:If receiver is selected, wired controller will be non-effective.
wired
receiver
controller
joint
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DC INVERTER MULTI VRF
3(M / S)
CONTROL
Setting of main and slave indoor units
A:For resolution of conflict among the modes.
B:This function is available without wired controller.
Main indoor
Slave
unit
indoor unit
About functional DIP swicth S7 ( for Ducted Type)
Functional DIP switch S7
DIP
switch
Description
Code Setting
0(ON 位)
1
1(S / R) Memory mode setting
Energized
standby(S)
Energized
recovery (R)
2(L / I) Control method setting
Wired control
(L)
Remote
control (I)
Master indoor
unit(M)
Slave indoor
unit(S)
Return air
inlet (I)
receiver(O)
Low static
pressure(L)
High static
pressure(H)
3(M / S)
Master/slave indoor
unit setting
Collection point
4(I / O) setting for ambient
temp.
5(L / H)
High-low static setting
of fan
Specific function of each function DIP switch is as follows:
DIP switch 1(S/R)——Memory mode setting; it includes energized standby mode and energized recovery
mode. Energized standby mode is that: after the unit resumes power supply, the previous setting parameters
will be maintained but cannot automatically run and such setting is factory setting (dialing the DIP switch
to “ON” position); For example, setting parameters of a indoor unit are high fan speed before
de-energization and 24℃ and after resuming power supply, the unit will be in standby status; Then
manually turn on the unit and its parameters are still high fan speed and 24℃. Energized recovery mode is
that: after the unit resumes power supply, not only it will keep the previous setting but also can
automatically run; But if the unit is in turnoff status before de-energization, it will still be that status after
resuming power supply.
DIP switch 2(L/I)——Control mode; it includes wired control mode and remote control mode. Wired
control mode is that: control the running of indoor unit by wired controller, which is factory setting (dialing
the DIP switch to “ON” position); When the setting is wired control mode, “Memory mode setting” and
“Master/slave indoor unit setting” of S7 are invalid which can be directly set on the wired controller.
Remote control mode is that: control the running of indoor unit by remote controller; when the setting is
remote control mode, its functional code must be set in S7.
DIP switch 3(M/S)——Master/slave indoor unit setting; it is master/slave setting of indoor unit running
mode, which is mainly used for people’ priority requirements (such as leaders, patients, etc.). The factory
setting is master indoor unit( dialing the DIP switch to “ON” position). When settings of all indoor units are
slave indoor units, outdoor unit will run in the mode of firstly started slave indoor unit. If the mode of later
started slave indoor unit and mode of firstly started slave indoor unit conflict, the conflict modes error will
be warned by the system and later started indoor unit cannot run. In that case, the running of the unit is
decided by firstly started slave indoor unit.
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DC INVERTER MULTI VRF
CONTROL
When there is only one indoor unit that is set to be master indoor unit, in that case, no matter if the master
indoor unit is firstly started, the conflict mode error will be warned by slave indoor unit once the mode of
slave indoor unit and the mode of master indoor unit conflict (except for turnoff mode of master/slave
indoor unit). And the unit will firstly run at the mode of master indoor unit
When there are multi indoor units that are set to be master indoor units, the unit will run at the mode of
master indoor unit with min. address code. When the indoor unit with min. address code changes to the
running status from turnoff status, modes of other master indoor units or slave indoor unit should be in the
same mode with it, or the conflict mode error will be warned. Therefore, when there are multi master
indoor units, set the address code from high to low according to priority.
DIP switch 4(I/O)——Collection point setting of ambient temp.; the setting is mainly used when there is
high differential between temperatures of air conditioning area and return air of the unit. The setting is
valid only when there is receiver and includes collection points setting of temperatures of return air inlet e
and receiver head. The factory setting is the collection points setting of temperature of return air
inlet( dialing the DIP switch to the “ON” position.
DIP switch 5(L/H)——High-low static pressure setting of fan; it includes high static pressure setting of
fan and low static pressure setting of fan, which should be adjusted according to the project.
Cautions:
1).Code setting must be under off state of power.
2). There is 3-bit, 4-bit or 5-bit DIP switch. 4-bit or 5-bit DIP switch is only applicable to ducted type
unit(including GMV Multi VRF ducted type units and ducted type split)
3).;When the control setting is "L", the Master/slave and memory setting on the main board is invalid.
When the control setting is “I”, the code setting is valid.
4). The dial-up position shall be at ON which means 0 or at opposite position which means 1.
Dial-upswitch at middle position is prohibited.
5). After dialing up, please record address code of the unit (√).
S1 address code
S7 function code
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DC INVERTER MULTI VRF
CONTROL
5-bit functional DIP switch
Functional DIP
Switch S7
Address
Switch S1
DIP
Mainboard of 4-bit Functional DIP switch
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DC INVERTER MULTI VRF
CONTROL
3 WIRELESS REMOTE CONTROLLER
NOTE!
● Make sure that there is no obstruction between the remote control and the signal receptor.
● The remote control signal can be received at the distance of up to about 10m.
● Don’t drop or throw the remote control.
● Don’t let any liquid flow into the remote control.
● Don’t put the remote control directly under the sunlight or any place where is very hot.
FAN button
Press the button to
change the speed of the
fan according to the
following order.
SWING
AUTOFAN
TEMP. button
Set temp. increases 1 c
by pressing "+" and
decreases 1 c by pressing
"-" once.
Set temp. : 16 c~30 c
Set temp. : 16 c~30 c
FAN
AUTO FAN
SPEED
OPER
AUTO
AIR
SWING HUMID LIGHT SAVE
TIMER
ONOFF
HR.
COOL
DRY
FAN
HEAT
Set temp. : 16 c~30 c
Set temp. : 16 c~30 c
ON/OFF button
Press the button to turn on
the unit. Press the button
once again to turn off the
unit and cancal the timer.
MODE button
Press the button to change
the mode according to the
following order
MODE
ON/0FF
NOTE: The cooling only
units have no
mode.
NOTE!
After every indoor unit received the turn off signal, the fan and electric inflate valve will
continue to work for 20-70mins to make use of the rest cool or rest heat, while for preparation for the
nest work. And this is normal phenomenon.
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DC INVERTER MULTI VRF
CONTROL
NOTE!
This type of remote control is a kind of general use remote control that is suitable for several
types (function) of air conditioner units. Please understand that the functions and buttons that are
not suitable for this air conditioner will not be introduced.
Liquid crystal displayer
It shows all set contents.
SWING
FAN
AUTOFAN
SLEEP button
Press the button to set SLEEP
mode, and stop when repressed.
When the sleep mode is in the
cool and dry mode, the set
temp. will increases 1~2℃
during the set time, then the
unit will operate according to
the temp.. When sleep mode is
in the heat mode, the set temp.
decreases 1~2℃ during the set
time, then the unit will operate
according to the set temp..
OPER
AUTO
AIR
SWING HUMID LIGHT SAVE
TIMER
ONOFF
HR.
SLEEP
AIR
LIGHT
HUMID
TIMER ON TIMER OFF
MODE
ANION
SAVE
ON/0FF
Temp./Timer button
When the unit is operating, increase 1℃
by pressing "+" button once, and
decrease 1℃ by pressing "-" button
once. The indoor temp. can be set in
the range of 16-30℃.
Press the "Timer OFF/TIMER ON"
button at operating/ stopping to set the
off/on time. Press "Timer OFF/TIMER
ON" once to increase 0.5 hour for the
set time. The Max.value of setting time
could be 24 hours,when repressed it
the setting time will be canceled.
Operation procedure
Normal procedure
1. Press ON/OFF button after connected with the power, then the unit is operating.
2. Press MODE button to choose the need operation mode.
3. Press FAN button to set the fan speed.
4. Press +/- button to set the need temp.
Selectable procedure
5. Press SLEEP mode to set the sleep state.
6. Press TIMER OFF button to set the set time.
Note: When the operating mode selected by the indoor unit is clash with the one selected by the
outdoor unit, the remote controller will display the operating clash after 5 seconds and the power
light will flicker, then the indoor unit turns off. At this time, the units will become normal after the
operating mode of the indoor unit is changed to cooperate with the outdoor unit. Cool mode can
cooperate with dry mode, and fan mode can cooperate with any mode.
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DC INVERTER MULTI VRF
CONTROL
How to insert batteries
Two batteries (Two AAA dry-cell batteries) are used by the remote control
1. Remote the cover from the back of the remote control downward, take out the worn batteries and insert
two new ones (Make sure the two poles are correct)
2. Re-attach the cover.
ACL
1.All the prints and code no. will
be showed on the displayer after
the insert of batteries. The remote
control can be operated after 10sec.
2.The lifetime of the batteries is
about one year.
3.Don't confuse the new and worn
or different types of batteries.
4.Remove batteries when the
①Remove the cover remote control is not in use for a
③Re-attach the cover longtime to avoid mal-function
caused by liquid leakage.
5.The remote control should be
placed about 1m or more from the
open
TV set or any other electric
appliances.
6.The remote control should be
used in the receivable range (the
RESET KEY
reception range is 10m)
7.When the remote control can not
be controlled in the situation of
inserted batteries, please remove
the back cover and press "ACL"
button to make it normal.
②Insert 2AAA dry-cell
battaries(attachment)
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DC INVERTER MULTI VRF
CONTROL
4 WIRED CONTROLLER
4.1 Operation and Display View
Fig.4.1
Various Components of Wired controller
1
Operating mode display (Cool, Dry, Fan, Heat)
9
On/Off button
2
Sleep mode display
Timer button
3
4
Ambient temp.display /Malfunction display
Fan control display (automatic, high, media, low)
10
11
12
Sleep button
Swing display
5
Set Temp. display
13
Fan control button
6
Defrosting display
14
Temp./ Timer decrease button
7
Timer display
15
Temp./ Timer increase button
8
Signal receptor
16
Mode button
85
54
42.5
21.5
4.2 Dimension
60
85
Fig.4.2.1 Outline Dimension
Fig.4.2.2 Installation Dimension
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DC INVERTER MULTI VRF
CONTROL
4.3 Installation
1
2
3
4
Fig.4.3 Installation of wired controller
SN
1
2
Name
Casing base, installed into the wall
Controller Soleplate
3
Screw
M4X25
4
Controller Panel
●Notice for installation under the guidance of Fig.10
1. Cut off power supply before installing the electrical components.It is forbidden to carry out the installation with power on;
2. Get one end of the 4 core communication cable and put it through the rectangular hole on the base board on the wired
controller;
3. Hold the base board of controller on the wall, and then fix it to the wall with M4x25 screw;
4. Plug the 4 core communication cable into the slot on the wired controller, and then fix the controller panel with base board
together;
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DC INVERTER MULTI VRF
CONTROL
5 MINI CENTRALIZED CONTROLLER (REGION CONTROLLER)
5.1 Function
Region monitoring control and region wired control are the two main control functions for region controller.
Region monitoring controller can monitor or control 16 indoor units of a group for inquiry and single or centralized
control.
Region wired controller can replace 1-16 selected wired controllers to uniformly set or control the indoor units.
Refer to Fig.1.1, Fig.1.2 about the Sketch map to the relation among the region controller, region monitoring
controller and region wired controller.
Fig.1.1
Before using, the controller functions must be selected by the personnel who performance the installation with the
requirements of users. Please refer to Project Debugging Setting section for the details.
Note: If the controller is set to be region wired controller, the wired controller of the selected indoor unit must be
removed.
The region controller can be matched with long-distance monitor. As a region monitoring controller, its control is
subject to that of the long-distance monitor. In the same group, one of the region controllers can be used as region monitoring
controller and matches one or more region wired controller which replace(s) one or more wired controller, in which case, the
region monitoring controller can also monitor or control the region wired controller.
Fig.1.2 Sketch map to the relation among the region controller, region monitoring controller and region wired
controller
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DC INVERTER MULTI VRF
CONTROL
5.2 Operation View
(Fig.5.2)
Instruction to functions of buttons (Table 5.1)
No.
Name
1
FUNC
(FUNCTION)
2
MODE
3
▲
4
▼
5
FAN
6
TIMER
A. Under single/central control mode, set on /off timer of selected indoor unit
B. Under inquiry status, inquire the timer setting of the indoor unit with current
address.
7
ON/OFF
Set ON/OFF of the indoor unit.
2MODE and
7 ON/OFF
Lock
2MODE and
6 TIMER
Shield mode
Under single/central control, press MODE and TIMER simultaneously to start/ stop
the shield of operation to MODE button of wired controller for selected indoor unit.
4 ▼and
6 TIMER
Shielding
Temp.
Under single/central control, press ▼ and TIMER simultaneously to start/ stop the
shield of operation to Temp button of wired controller for selected indoor unit.
7 ON/OFF and
6 TIMER
Shielding
ON/OFF
Under single/central control, press ON/OFF and TIMER simultaneously to start/ stop
the shield of operation to ON/OFF button of wired controller for selected indoor unit.
2
3
Memory
mode
MODE and
▲
4 ▼and
7 ON/OFF
of
Selection
function
Function
A. Switch the control mode of inquiry/single/ central control.
B. In central control status, give the central order by successively pressing FUNC
button.
Set cooling/heating/fan/dry mode for indoor unit
A. Inquiry status: cycle, increase or decrease No. of indoor units to easily inquire the
status of each indoor unit.
B. Single/Central control status: set running temp. of indoor unit, maximum is 30℃
and minimum is 16℃.
C. Timer setting status: increase or decrease the timer on/off time, maximum is 24hr
and minimum is 0.
A. Set the indoor fan speed of hi/mid/low/auto.
B. Successively press FAN button to set on/off swing.
Under single/central control, press MODE and ON/OFF buttons simultaneously to
start/ stop the lock of operation to buttons of wired controller for selected indoor
units.
Refer to power-off memory function about the details.
A.Check the control mode of region monitoring controller / region wired controller
B.Set the control mode of region monitoring controller / region wired controller
Note:
1.The characters with gray back ground indicate buttons. Following part is the same to it.
2. The time of single press of the button is more than 3s, which means successively-press.
3. There isn‘t the function that the region wired controller shields other indoor wired controller.
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DC INVERTER MULTI VRF
CONTROL
5.3 Display View
(Fig.5.3)
No.
Display name
Instruction to display
1
Control mode
Inquiry state, “INQUIRY” is displayed.
Single control state,”SINGLE” is displayed.
Centralized control state, “CENTER” is displayed.
2
Running mode
Each indoor unit running mode is displayed.
3
Error
“ERROR” is displayed during any malfunction to indoor or outdoor unit in a
group.
4
-
“- “ is displayed when there is no malfunction to selected indoor unit and the
ambient temp. is below zero.
5
Fan speed display
Hi, mid, low or auto speed of indoor fan is displayed.
6
Swing
Swing running of indoor unit is displayed.
7
Timer
“TIMER ON/OFF” is displayed when setting timer or inquiring timer state.
8
No. of indoor unit
Under inquiry state, No. of online indoor units are displayed and No. of selected
indoor unit will blink.
Under single control state, only No. of selected indoor unit is displayed.
Under centralized state, No. of all online indoor units are displayed.
9
Room temp.
“ROOMTEMP” is displayed for no malfunction, but isn’t for malfunction.
10
Shield
Centralized controller
A. Under inquiry state,” SHIELD” will be displayed when selected indoor unit is
shielded.
B. Under control state,” SHIELD” will be displayed during setting or giving the
shield order.
Region wired controller:” SHIELD” will be displayed when selected units are
shielded during long-distance monitoring.
11
Force
“FORCE” is displayed when indoor unit is forced to run.
12
℃ (room temp.)
“ ℃” is displayed when there is no malfunction.
13
Room temp. or error
code
Room temp. value is displayed during no malfunction to selected indoor or outdoor
unit.
Error code is displayed during malfunction to selected indoor or outdoor unit.
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DC INVERTER MULTI VRF
14
CONTROL
Melt
“Melt” is displayed during defrosting.
15
Lock
Region monitoring controller
A: Inquiry state: “LOCK” is displayed when selected indoor unit is locked.
B: Control state: “LOCK” is displayed during setting or giving the lock order.
Region wired controller: “LOCK” is displayed when selected unit is locked in
long-distance monitoring.
16
Set
“SET” blinks when the unit is on and commanded.
“SET” is displayed when the unit is on without command.
17
℃ (set temp.)
Set temp. value is displayed when the selected indoor unit is on and not in timer
inquiry or setting status.
18
HR (hour)
“HR” is displayed during timer inquiry or setting.
19
.5
“.5” is displayed when the timer time value includes 0.5 hr and the unit is during
timer inquiry or setting.
20
Setting temp. and timer
time
During timer inquiry, integer of setting time of timer is displayed.
During timer setting, integer of setting time of timer is displayed.
Set temp. value is displayed when the unit is not during timer inquiry or setting.
Note:
1. Contents in the double quotation marks indicate the display in LCD. Following part is the same to it.
2. Online indoor units to Mini Centralized Controller indicate that in a region. Following part is the same to it.
3. No signal control function for region wired controller, and “SINGLE” won’t be displayed either.
5.4 Connection between Controller and Unit
Insert the 4-core twisted pair line to wired controller, if which is with the indoor unit, into region controller wiring
terminal CN1 (or CN2), and then connect the other wiring terminal CN2 (or CN1) with the main board of indoor unit.
If there is no wired controller with indoor unit, introduce a 4-core twisted pair line to indoor unit main board and connect it
with region controller wiring terminal CN1 (or CN2).
Note:Any main board of the indoor unit controlled by the region controller can be connected. If the region controller is used
as a region wired controller, wired controller with the indoor unit must be removed.
Fig2.1 Power cords and communication lines for region controller
Before installation and connection, make sure the power supply is off. After installation and
connection, check the connection result again to prevent loose or short.
There are 4 connection lines (included in the 4-core twisted pair line) to the controller, from CN1 or the
upper and right CN2 to the upper they respectively are: Ground line (GND), communication line A (A),
communication line B(B) and power cord (+12 v).
Note:
During following connection of wirings, pay special attention to them to avoid malfunction to units for
67
DC INVERTER MULTI VRF
CONTROL
electromagnetic interference.
1. Keep the signal lines or wirings (communication) of region controller or wired controller at least 20
cm from the power cords or connecting lines between indoors and outdoors to prevent abnormal
communication.
2. Shielding twisted pair line must be adopted as signal line or wiring (communication) once the unit
is installed in the place where there is serious electromagnetic interference.
6 CENTRALIZED CONTROLLER
6.1 Function
Main characteristics of Centralized Controller:
◆ A set of Centralized Controller can control 64 communication modules and can connect to as
much as 1024 indoor units. It can conduct individual control with any separated area or unified
control. It can monitor or control On/Off, Mode, Temperature setting and Timer On/Off of indoor
unit etc.
◆ It can realize the central, single or select control to all indoor units.
◆ It can organize several indoor units into groups as you desired and conduct unified
control—Group select control.
◆ Error contents are shown by codes. Corresponding communication module numbers of the indoor
units with error contents would blink for rapid inspection and repair (There is sound warning for a
few errors).
◆ Timer function. Every indoor unit can set Timer On/Off time by central, single or select control.
Both Timer On time and Timer Off time can be set at the same time, and it is available to set the
timer to which day among the 7 days from Sunday to Saturday works.
◆ Clock function displays in year, month, day, hour, minute and week, and the clock can be
manually adjusted.
◆ Indoor and outdoor units online auto detect, display and working state indication.
◆ Self-inspection function is remained.
◆ Centralized Controller and several communication modules formed communication net, the length
of communication wire of the net can be as long as 1km (without using communication repeaters).
6.2 Operation View
2
1
3
17
16
15
4
14
13
12
11
10
(Fig.6.2)
9
8
7
6
5
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DC INVERTER MULTI VRF
CONTROL
This central control has Sequence On function, that enable conduction to sequence control
1
ALL ON
to communication modular in interval of 2 seconds, communication modular controls
Sequence On of indoor units (to lower impact to power network).
This central control has Sequence Off function, that enable conduction of sequence control
2
ALL OFF
to communication modular in interval of 2 seconds, communication module controls
Sequence Off of indoor units (to lower impact to power network).
3
ON/OFF (2)
For controlling units’ on and off.
4
TIMER
Set and check the time of Timer On and Timer Off of indoor unit and date mode.
5
SWING
Set if indoor unit swings
6
SPEED
Set fan speeds of High, Medium, Low or Auto for indoor unit
7
MODE
Set modes of Cool, Dry, Fan or Heat for indoor unit
It works as direction and adjusting under every operation function. Such as: When
8
LEFT/RIGHT
checking, it can move to the required indoor unit or communication modular by using this
UP/DOWN
button; when adjusting time, press LEFT (/RIGHT) to shift “Y/M/D” etc. and press UP
(/DOWN) to adjust value
Under control mode, press this button after setting state of indoor unit, control to indoor
9
CONTROL
10
GROUP
11
TIME
Set system time
12
SYSTEM/TEST
Begin setting of central control run mode, it is not recommended to be used by users.
unit would be conducted by corresponding control mode.
Press button under checking state to begin information check and set of grouped indoor
unit, grouped information is for select control.
Shift display domain and indoor wired air condition control. DOMAIN corresponding to
13
INDOOR/DOMAIN
display on line communication modular, INDOOR corresponding to display on line
indoor control.
Press this button during process of setting function to exit the already made function
14
CANCEL
setting operation. Such as, if central control mode were selected, press CANCEL at this
time would back to control mode selecting state.
15
CONTROL MODE
Begin control setting mode, and Central Control, Select Control and Single Control can be
selected.
Central Control: Control all indoor units under domain by present set state.
Single Control: Control present indoor unit by present set state.
Select Control: Control selected indoor unit by present set state, it also called
grouped control
16
SELECT
Select required control or setting object; repress the button to the object is to cancel.
17
CONFIRM
Confirm the operated operation is effective
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DC INVERTER MULTI VRF
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6.3 Display View
(Fig.6.3.1)
Sketch for LCD part:
1
3
2
4
5
6
7
16
8
15
14
(Fig.6.3.2)
13 12
11
10 9
1
Pagination/displays
present domain
Under select control mode, group no. that is present controlling is displayed;
Under addresses setting state, present Soft Add is displayed.
2
Present unit no.
Displays the soft address of communication module that the present checking or
controlling indoor unit is belonged as well as the address of indoor unit;
Format: Soft add—Indoor unit add
3
Error
Displays when there is error at any indoor or outdoor unit.
4
Operation mode
Displays every operation state mode of indoor unit
5
Speed display
Displays High, Medium, Low and Auto speed of indoor unit
6
Check
Under group control mode, it is displayed when checking grouping information;
Under address setting mode, it is displayed when checking hard address.
7
Operation monitoring and
controlling /monitoring
When central control works in normal, operation monitoring displays; when control
signal is transmitted, operation monitoring and controlling is displayed.
8
Error code
Displays when abnormal occur on operation state of present indoor unit.
9
System time
Displays present time, format is Y, M, D, H, M and week.
10
Timer setting
Timer On/Off on when Timer On/Off is set to present indoor unit
11
Pre-set temperature
Displays value of pre-set temperature
12
Ambient temperature
Displays value of ambient temperature of present indoor unit
13
Swing and Defrost
Displays operation of swing at indoor unit and defrost at outdoor unit
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DC INVERTER MULTI VRF
CONTROL
14
System setting
Setting operation mode of central control. It should be completed by installation
personnel, but not for users.
15
Control mode
Displays 3 control modes of Central, Single and Select controls
Displays of soft address
When Indoor on, addresses of present online indoor unit is displayed;
When domain on, soft address of present online communication module is
displayed;
Specific location of controlled indoor unit can only be ascertained when soft
address fits Project Installation List.
16
Instruction to display interface:
System Setting: Including Address Setting and other functions, and it is set when installation personnel are adjusting
units. It is not recommended that users operate it. The usage of this function requires password.
Address Setting: Since characters from 01 to 64 are fixed as the addresses of controlling communication modules
displayed by central control (hereinafter called soft addresses), and the addresses of communication modules
themselves (hereinafter called hard addresses) are value from 0~254, thus there is address matching problem between
central control and controlled communication module. In order to solve this problem, address mapping setting is
required to be conducted before project adjusting!
6.4 Communication Network Connection
6.4.1 Communication network
The following is a brief sketch of communication net of multi variable units:
As shown in figure, the ”\” at A are parting lines for communication net. Left side of the “\” is the communication net
between central control and communication module while the right side is that between multi variable outdoor unit and
indoor units. The 2 nets are individual nets.
Before normal use of central control, do conduct addresses setting and adjusting to communication system by
installation personnel. Only after that can the central control offered to be used by user.
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DC INVERTER MULTI VRF
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6.5 Case Study
Take one floor of an office building for example to illustrate wiring and debugging of the centralized control system. In
this floor, there are 2 assembly rooms, 8 offices and 1 monitor room. Refer to the following illustration for its plane structure.
1)Instruction to Distribution of Unit and Installation of Equipment
This office building has been installed with 2 sets of GMV units, as shown in the table below.
Quantity of
required
Name
Models
communicati
on
modules
Quantity of
indoor
Corresponding rooms of indoor units
units
(pinboard)
Address of
Room
communication
module
Unit1
GMV(L)-Pd160
W/NaB-K
1(0)
12
1,2
Office 2
3,4
Office 3
01
Office 6
11,12
communication
module
Office 7
2(2)
20
7,8
9,10
Room
D
5,6
Office 5
Address of
Unit 2
indoor unit
Office 1
Office 4
GMV-R620W4/
Address of
Office 8
02
Assembly
room 1
Assembly
room 2
Address of
indoor unit
1,2
3,4
1,2,3,4
03
5,6,7,8
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DC INVERTER MULTI VRF
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2)Frame Diagram of System Net
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DC INVERTER MULTI VRF
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Instruction to Frame Diagram of System Net
Mark A:Outdoor Unit GMV(L)-Pd160W/NaB-K can be connected with up to 16 indoor units. In this project, this
outdoor unit is connected with the communication module with address of 01 and indoor units (address 01~12)of office 1-6,
corresponding with independent communication Net.2. The mainboard of outdoor unit is as follow:
3-core
neilsbed
connects with indoor
unit
or
communication
module.
Mark B: Outdoor Unit GMV(L)-R620W4/A can be connected with up to 32 indoor units by two pinboards ,either of
which can connect with up to 16 indoor units . What’s more, the quantity of communication modules used is the same as that
of pinboards.
In this project, pinboard 1 is connected with the communication module with address of 02 and indoor units (address
01~04)of office 7-8, corresponding with independent communication Net.2. Pinboard 2 is connected with communication
module of address 03 and indoor units (address 01~08)of office 1-2, corresponding with independent communication Net.3.
The outdoor figure is as follow:
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DC INVERTER MULTI VRF
CONTROL
Pinboard 2:
3-core neilsbed connects with indoor unit
or communication module and 4-core
neilsbed with outdoor unit
Pinboard 1:
3-core neilsbed connects
with indoor unit or
modules,
and
4-core
neilsbed with outdoor unit
Mark C: Centralized controller cabinet is mainly used to put communication modules together. Refer to Section 3
Instruction to Installation Procedure of System about its figure and connection method of communication modules.
Mark D: Centralized Controller ZJ701. For the first use of it, address mapping setting must be made to specify
addresses of communication modules which should be controlled. In this project example there are 3 communication
modules with the address of 01, 02 and 03 which are displayed in the centralized controller correspondingly.
Mark S1, S2, and S3: Telephone 3-way triple adapters are used to connect communication modules with
communicating net of indoor and outdoor units. Refer to Section 3 Instruction to Installation Procedure of System for its
connection method.
3) Instruction to Installation Procedure of System
z Step 1: Integral Design of the Whole System.
In consideration of features of building and installation of the unit, the building is divided into a lot of monitoring
regions and then confirm required systems, their quantity and installation locations. As for this example:
A. Division of monitoring regions: According to needs of the users, the whole floor is divided into 3 monitoring regions,
south area (office 1-6), north area (assembly room1-2 and office 7-8) and monitor room.
B. Confirmation of quantity of systems
Name
Qty
Installation Location
Notes
Communication
modules
3
Centralized control cabinet
The quantity required for the pinboards is the
same as communication modules. If no pinboard,
only one module is needed. So, there should be 3
modules in total.
Centralized control
cabinet
1
Monitor room
Installed indoors according to user’s conditions.
Centralized
controller
1
Monitor room
Installed indoors
z Step 2: Wiring and Installation
A. Centralized controller as extension function of GMV unit can be installed and debugged after communication
connection between outdoor unit and indoor unit and normal operation of the unit.
B. Make of centralized control cabinet
If a lot of communication modules are used, centralized control cabinet is recommended. Heavy current wires
and communication lines should be wired separately. The distance between them should keep above 15cm.The
following figure is an example of centralized control cabinet, but its design should be according to quantity of
communication modules.
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DC INVERTER MULTI VRF
CONTROL
C. Connection of communication modules
COM 1 of communication module can connect with indoor and outdoor unit. The two COM2 can connect with
other communication module or centralized controller. As shown in the following figure:
D. Connection between communication module and indoor and outdoor units
According to the net diagram, connect the communication line between indoor unit and outdoor unit. Then cut
off the communication line between the mainboards of indoor unit and outdoor unit, as shown below.
Align the cutting terminals and terminals of communication line to COM1, as shown below:
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DC INVERTER MULTI VRF
CONTROL
In this case, there are two methods to connection of them.
Method 1: Welding
Weld the two cutting terminals by yellow to yellow and brown to brown, as shown below:
And then weld the terminals of communication line to COM1 with the welding spots in the above figure
together by yellow wire to brown wire, as shown below:
At last, wrap the welding spots with insulating tape and test conduction performance of the three
communication lines, as shown below:
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DC INVERTER MULTI VRF
CONTROL
Method 2: Triple adapter
Make crystal heads for the three lines. The connection direction should be the sameas in the above welding
figures, i.e. yellow to yellow and brown to brown wire of indoor and outdoor units, but yellow to brown wire of
communication line to COM1.The crystal heads are as follow:
Insert the three crystal heads into the triple adopter and test conduction performance of them, as shown
below:
E. Connection of Communication Modules and Centralized Controller
Connection of COM1 of communication module which has 3 COM in total has been introduced as the above.
COM2 can connect with another communication module or centralized controller, as shown below:
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DC INVERTER MULTI VRF
CONTROL
Note: The above figure is only for reference to relation among the equipments. The actual wiring is subject to the
above frame diagram of system
●Step 3: There are two methods of DIP address setting of communication module
Method 1: The address of each communication module has been fixed in the factory and marked on the label at the
back of it. It is unnecessary for users to set anything. In addition, the 3-digital DIP can not be dialed to OFF completely, as
shown below:
Label for address of
communication module
Method 2: Manual setting of address, as operated the following:
1. Dial the digital switch at the back of communication module to OFF completely, as below:
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DC INVERTER MULTI VRF
CONTROL
2.Open the cover of communication module as below:
The 8-digital DIP is as below:
Set DIP for address according to the following table.
Address from 0 to 31
Address
DIP S2
DIP S3
1
0
1
0
1
0
1
0
1
0
1
0
1
0
2
0
0
1
1
0
0
1
1
0
0
1
1
0
3
0
0
0
0
1
1
1
1
0
0
0
0
1
4
0
0
0
0
0
0
0
0
1
1
1
1
1
5
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
4
5
6
7
8
9
10
11
12
Address from 32 to 63
1
0
1
0
1
0
1
0
1
0
1
0
1
0
2
0
0
1
1
0
0
1
1
0
0
1
1
0
DIP S2
3
0
0
0
0
1
1
1
1
0
0
0
0
1
4
0
0
0
0
0
0
0
0
1
1
1
1
1
5
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
DIP S3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
Address
3
0
0
0
0
0
0
0
0
0
0
0
0
0
32
33
34
35
36
37
38
39
40
41
42
43
44
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DC INVERTER MULTI VRF
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
CONTROL
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
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DC INVERTER MULTI VRF
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Address from 64 to 95
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
2
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
DIP S2
3
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
4
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Address from 96 to 127
DIP S3
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Address
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
2
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
DIP S2
3
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
4
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
DIP S3
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Address
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
z Step 4: System Setting of Centralized Controller
SYSTEM SETTING includes ADDRESS SETTING and INITIALIZE SETTING. The former one is used for
setting address of control object (communication module), and the latter one for initializing the data in the centralized
controller (including clear all the finished address settings).
Since the centralized controller can control at most 64 communication modules and the address of them is 0 to 253 (0 is
generally unused), it must specify the address of communication module needed to be controlled. It is ADDRESS SETTING,
which is not recommended to operate by users.
The debugging personnel can press SYSTEM/DEBUG into system setting interface. After pressing UP, DOWN,
LEFT and RIGHT buttons, press CONFIRM button into the interface for selection between ADDRESS SETTING and
INITIALIZE SETTING.
The operation procedure of ADDRESS SETTING:
1. The centralized controller without energizing and setting will display following.
Display Present Unit No. 00-00 which means soft address 00-No. 00 indoor unit. (Soft address is the No.
displayed in 1-64 grid of LCD.
Press SYSTEM/DEBUG into system setting interface. After pressing UP, DOWN, LEFT and RIGHT buttons,
press CONFIRM button into the interface for selection between ADDRESS SETTING and INITIALIZE SETTING.
Then press UP or DOWN button to switch between them.
DC INVERTER MULTI VRF
CONTROL
2. When ADDRESS SETTING is blinking, press SELECT button into address setting interface.
Hard address
Soft address
Press LEFT or RIGHT button to switch between SOFT and Hard ADDRESS settings, and UP or Down button
to adjust their values。After adjustment, press CONFIRM button to make the address values corresponding and
effective. If the cursor stops at hard address position (hard address is blinking), press CANCEL button to make the
setting value ineffective, in which case, the “- -”will be displayed.(Soft address is the No. displayed in 1-64 grid of
LCD and hard address is the actual one of communication module.)
In this example, the centralized controller controls 3 communication modules with the address of 01, 02 and 03
(i.e. hard address is 01,02 and 03).For convenient management, soft address will be set to the same as hard address, i.e.
“01 001”,“02 002”and “03 003”.
If communication is normal after setting, the centralized controller will display as the following figure:
Soft address
display 01,02
Press
and 03
check indoor unit status
under
this
button
to
corresponding
soft address.
01,02 and 03 of soft address is displayed, which indicates normal communication of these 3
communication modules.
II. PRESENT UNIT NO. displays “01-08”, which indicates No. 08 indoor unit under 01 communication
module is being checked.
III. Press ROOM/REGION button to check other indoor units’ status under present communication module.
Indoor units’ status is automatically detected, without setting in centralized controller.
I.
z
Step 5: Troubleshooting during Installation of Centralized Controller
Generally speaking, connection of communication lines, address DIP of communication module and address
mapping setting of centralized controller are the common problems during installation of centralized controller. These
problems can be reflected from running indicator (green) of communication module. Meanwhile, it is recommended to debug
the centralized controller after making communication of outdoor and indoor units smooth to simplify the problems.
A. Connection of communication lines
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DC INVERTER MULTI VRF
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① If incorrect or non-connection of communication module, centralized controller and communication line of indoor
and outdoor units, the green indicator will be black all the time.
② It indicates connection problem between communication module and centralized controller that green indicator
blinks once every 2s.In this case, COM2 must be used to connect them.
③ It indicates connection problem of communication module and indoor and outdoor units that green indicator blinks
twice every 2s. In this case, COM1 must be used to connect them. Refer to Step 2, C for details.
B. Address DIP of communication module
There are two methods for address setting. The one is that communication module has been set by software store,
but the 3-digital DIP switch can not be dialed to OFF completely. The other one is to set it manually, but the 3-digital
DIP switch should be dialed to OFF completely. Refer to step 3 for details.
C. Address mapping setting of centralized controller
The centralized controller only can normally operate after specifying address of communication module needed to
control. If not, the operation status of communication and indoor units can not be displayed by it. Refer to Step 4 for
details.
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DC INVERTER MULTI VRF
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7 MONITORING SOFTWARE
7.1 Function
As the development and improvement of manufacturing technology and in order to solve the problems of complex
distribution of the central AC in the buildings and difficult control and maintenance of them, an platform easy and reliable to
operate must be provided to the users for daily management and maintenance. So this long-distance monitoring system
combining electronic communication and computer technologies is developed to collect the running state of the units and to
monitor and control the units from a long distance. Its structure is as follow:
7.2 Connection Between the Computer and the Unit
1. Notice:
z
z
The address code of the communication modules should not be conflicted in one project.
Optoelectronic Isolated Repeater: One every 800m of communication distance equipped with one and one every 30
communication modules equipped with one.
z
the communication cable and heavy-current wire should be separated and the distance between them can not be below
15cm
line A and line B of Bus 485 should respectively correspond with line A and line B.
z
DC INVERTER MULTI VRF
z
CONTROL
crystal head(crystal head buckle is downwards)
2. Wiring Diagram
Description of above communication cables
Cable
Description
D1
crystal head and the other end is XH 4-core pin connector(2-core Type-V twisted pair wire)
D2
both crystal head(Standard parts)
D3
crystal head and the other end connects of it connects with wiring terminal of converter.
(2-core Type-V twisted pair wire)
H2
both 9-core head (Standard parts)
86
DC INVERTER MULTI VRF
CONTROL
7.3 Hardware
1. Introduction to Main Devices
1.1 R232-R485 Optoelectronic Isolated Converter (standard parts)
1)Function Introduction:
z R232-R485 optoelectronic Isolated converter is used to convert the signal 232 of PC COM and signal of bus
485.
2)Dimension
Description
L(mm)
W(mm)
H(mm)
optoelectronic isolated converter
94
72
23
3)Installation Dimension
DC INVERTER MULTI VRF
CONTROL
4)Installation Criteria:
z
It must be installed indoors to avoid knock, insolation or rainwater and is better to be put in the monitoring
room.
z
This device must be the original one in the factory. Never self-buy the models for replacement.
z
220-V AC socket must be installed for independent power supply.
z
Power supply specification: 12~30VDC 800mA
1.2 Optoelectronic Isolated Repeater(optional parts)
1)Function Introduction:
z
Optoelectronic Isolated repeater is mainly used to collect increase of communication distance and nodes
when the quantity of communication modules is above 30 or communication distance is above 800m.Refer
to Project and Installation section for details.
z
2)Dimension
Description
L(mm)
W(mm)
H(mm)
Optoelectronic Isolated Repeater
94
72
23
3)Installation Dimension
88
DC INVERTER MULTI VRF
CONTROL
4)Installation Criteria:
z It must be installed indoors to avoid knock, insolation or rainwater and is better to be put in centralized control
cabinet
z This device must be the original one in the factory. Never self-buy the models for replacement.
z 220-V AC socket must be installed for independent power supply.
z 12~30VDC 800mA Power supply specification: 12~30VDC 800mA
1.3 Communication Module (standard parts)
1)Function Introduction
z
Communication module is used for conversion and transfer of signal of PC and air conditioner during the
communication of them, making the role of communication controller. Refer to User Instruction to
Communication Module for details.
2)Dimension:
Description
L(mm)
W(mm)
H(mm)
Communication module
150
102
30
89
DC INVERTER MULTI VRF
CONTROL
3)Installation Dimension:
Description
Hanging Hole
Distance to top side(mm)
35
Diameter(mm)
5
4)Use Instruction to Communication Module
z The Sketch Map of COM, as shown below:
Power
z Use Instruction
Please check the user manual of communication module for details information.
5)Installation Criteria of Communication Module:
z Ensure the specification of power adapter to avoid malfunction or damage to the communication module.
z Ensure unique DIP address of each communication module in the project to avoid malfunction.
z Ensure communication cable connects with correct COM to avoid malfunction.
z The communication modules should be put in centralized control cabinet together to avoid direct sunlight or high
temperature and wet environment.
z Power transformer specification: input AC200V~50HZ and output DC9V~800mA
90
DC INVERTER MULTI VRF
CONTROL
1.4 Centralized Control Cabinet (user provided parts)
1)Function Instruction:
z It can put the communication modules together for convenient centralized management and reliable
operation.
2)Dimension:
z The following dimension is for reference. The cabinet is designed according to 10 communication modules
into. If more modules are needed, the cabinet should be designed once again. The internal structure should
accord to actual state.
The external dimension of the cabinet (Unit: mm)
3)Installation Criteria:
z
z
z
z
The dimension of the cabinet should be designed according to quantity , arrangement and put position of the
communication modules before make of it.
Independent power supply for each communication module is needed, so enough 220v AC sockets should be
installed in the cabinet.
The communication cable and heavy-current wire should be separated for the distance above 15cm.
The cabinet should be put indoors and locked to avoid insolation and rainwater or contact of non-manager.
1.5 3-way Phone Connector (user provided parts)
Note: Lines without 3-way telephone connector can be connected by welding and protected with insulating tape to
avoid oxidization and short circuit.
DC INVERTER MULTI VRF
CONTROL
1)Function Instruction: Common 3-way phone connector is applied to connect 3 pieces of communication cable.
Dimension :
Description
L(mm)
W(mm)
H(mm)
3-way connector
33
27
21
2)Installation Criteria:
z
z
z
z
z
Avoid knock, insolation or rainwater.
Ensure tightness of each bayonet without load.
Perform conduction test after installation. Replace the ones of poor contact.
The welding method is better than 3-way connector.
After the connection of communication cables with 3-way connector, it must be fixed by insulating tape to
avoid loose and poor contact of crystal head.
92
GREE COMMERCIAL AIR CONDITIONER
DC INVERTER MULTI VRF
INSTALLATION
93
DC INVERTER MULTI VRF
INSTALLATION
INSTALLATION
1 PRECAUTIONS FOR INSTALLATION
1.1 Precautions for installation
Before installation, please ensure if the installing site, power ratings, possible operating range (pipe distance,
height difference between indoor and outdoor unit, power voltage) and installing space are correct and suitable.
The outdoor unit is general to all models according to its power.
‹ To ensure correct installation, please make sure to read the Safety Considerations thoroughly before
starting the installation works.
‹
The considerations stated below are classified into
WARNING and
cause death or severe injury in case of wrong installation are identified in
‹
‹
‹
‹
‹
‹
‹
‹
‹
‹
‹
‹
‹
‹
‹
CAUTION. Those that might
WARNING. However, those
that are stated in
CAUTION may also cause severe accidents sometimes. Therefore, both of them
relate to important safety considerations and must be strictly followed.
After completing the installation and test run and confirming that all are normal, please introduce to the
client on how to use and repair the machine according to the Operating Instructions. Besides, please
deliver the considerations herein to the clients together with the Operating Instructions, and ask them to
keep properly.
WARNING!
The installation shall be performed by the vendor or professional dealer from which you buy the machine. If
you install by yourself, any improper installation might cause water leakage, electric shock or fire accident.
The installation shall be done correctly according to installation instructions. Improper installation may
cause water leakage, electric shock or fire.
To install a large air-conditioning system in a small room, please make sure to take measures to prevent
that the refrigerant will not exceed the limit concentration in case of leakage. For the measures to prevent
the refrigerant from exceeding the limit concentration, please consult your dealer. If no proper measures, it
might cause human suffocation in case of refrigerant leakage.
Please install at a position that is strong enough to support the weight of machine. If the installing position
is of low strength, the machine may drop down and thus cause human injury.
Please carry out installation in accordance with the rules for preventing the typhoon or earthquake. The
machine may tip over if the installation does not comply with the requirements.
The electrical cabling shall be carried out by qualified electricians in accordance with the Safety Code for
Electrical Equipment, relevant local rules and the installation instructions. Make sure to use the
special-purpose circuit. If the power circuit capacity is low or the construction is improper, it might cause
electric shock or fire accidents.
Please use suitable cables and connect them securely. Please fix the terminal joints securely. The terminal
connection shall not be affected due to any external force applied onto the cable. Improper connection and
fixing may cause heating and fire accidents.
Keep the cables in correct shape and prevent them from protruding upward. Please protect them securely
with repair board. Improper installation may cause heating and fire accidents.
When erecting or relocating the air conditioner, do not let any air enter into cooling circulation system
except the specified refrigerant. If any air is mixed, abnormal high pressure will occur in the cooling
circulation system, thus causing crack or human injury accidents.
During installation, please always use the attached parts or designated parts. Failure to use the designated
parts may cause water leakage, electric shock, fire or refrigerant leakage.
CAUTION:
Please earth securely. Do not connect the earth wires to gas pipe, water pipe, lightning rod or telephone
line. Improper earthling might cause electric shock.
Leakage circuit breaker must be installed at some place. No installation of leakage circuit breaker might
cause electric shock.
Do not install at a place where inflammable gas might leak. Gas leakage and despot around the machine
might cause fire accidents.
To ensure correct drainage of water, the drainage hose
shall be installed according to the installation
instructions. Also the heat insulation shall be provided to avoid condensing.Improper installation of the pipe
might result in water leakage and lead to possible wetting of the articles in the room.
94
DC INVERTER MULTI VRF
INSTALLATION
1.2 Key Points of Installation
Installation Procedures
Description and Acceptance Criteria
1.
The materials specified on the engineering drawing shall
be purchased as specified (e.g. copper tube, thermal
insulation tube, PVC pipe, power cables, air switch, etc);
Material Selection and Equipment Inspection
2.
The materials not specified on the engineering drawing
shall be purchased according to the actual quantity of
works (e.g. hanger frame, cable duct, etc);
3.
Check if the outdoor unit, indoor unit, communication
wires and accessories are complete.
1.
The power cables shall be separated from communication
wires at a least distance of 10cm.
2.
Connection
use strong force.
3.
Communication
To avoid breaking the communication wires, please do not
For multiple units, please mark them properly.
Switch on indoor and outdoor unit, and ensure there is no
wire
display of “Communication Wire Error E6”
1.
address dial code.
Address
dial code
Each indoor unit under the same system has a unique
2.
The wired controller and its corresponding indoor unit
have the same address dial code.
Remote Control
Select the remote control mode;
2.
The centralized controller and communication module
shall be installed free from the source of interference.
Installation
of indoor unit
1.
Power cord
1.
The power cable must meet the specifications.
2.
The indoor units under the same system must be
arranged under unified power supply.
Installation
Drainage hose
1.
The PVC pipes must meet the specifications.
2.
A specific gradient must be provided along the water flow
direction.
3.
Carry out water detection after installation.
Carry out thermal insulation to the drainage hose
only
after the water detection is accepted.
Thermal
insulation
1.
The thermal insulation tube must meet the specifications.
2.
Seal between the thermal insulation pipes to avoid air
entry.
Installation of Air Duct (when
1.
Design the length of air duct according to static pressure;
with
2.
The return air inlet shall be optimally designed to avoid
high
static
pressure
duct-type unit)
too small size.
Installation
of
connection
pipes
Welding
1.
The copper tube must meet the specifications.
2.
Ensure it is dry and clean inside the tube.
3.
Make sure to charge nitrogen as required for protection
95
when welding the tubes.
4.
Please keep to the welding process and ensure the
DC INVERTER MULTI VRF
INSTALLATION
system free of leakage.
5.
Add a dual-way filter on liquid pipe side.
6.
For multiple systems, please mark them properly.
Carry out leakage detection under pressure after welding.
1.
Purge the system clean.
2.
Keep the pressure for 24 hours
Purge and make leakage
Except for the influence by temperature, it is deemed
detection under pressure
acceptable if pressure drop is within 0.02MPa. (With the
temperature change by 1?, the pressure will change by
approx. 0.01MPa).
Thermal insulation
1.
The thermal insulation tube must meet the specifications.
2.
Seal between the thermal insulation pipes to avoid air
entry.
Installation of outdoor unit
1.
Select the installing position correctly.
2.
Build the foundation according to the anchor bolt position
and the dimension of outdoor unit;
3.
Build the damping device properly.
4.
Avoid sharp knock when handling the outdoor unit. The
inclination angle shall not be higher than 15°
Connection of indoor unit and outdoor unit
1.
Tighten the nuts;
2.
Provide proper protection to the outdoor connection pipe,
communication wires and power supply.
Keep the pressure for 24 hours. Except for the influence by
Leakage detection under pressure
temperature, it is deemed acceptable if pressure drop is within
0.02MPa. (With the temperature change by 1℃, the pressure
will change by approx. 0.01MPa).
1.
Establish vacuum simultaneously in the gas pipe and
liquid pipe;
Vacuuming
2.
The vacuuming time shall be long enough.
Put still for 1 hour after vacuuming. It is deemed acceptable if
the pressure will not rise.
Add refrigerant
Add refrigerant according to the volume as specified on the
engineering drawing.
Open the valve of outdoor unit
Commissioning of complete unit
Remarks:
1) Described above are general working procedures. The procedures might vary with the site conditions.
2) For detailed installation rules, please see the description in each chapter.
96
DC INVERTER MULTI VRF
INSTALLATION
2 FLOW CHART OF INSTALLATION
Design
设计交底
Kicking-off
材料的选购
Material selection
Inspection of site
现场安装位置审核
installation position
安装室内机
安装连接管
Installation of indoor unit
Installation of
connection pipes
安装室外机
Installation of outdoor unit
焊接
Welding
安装远 连接 连接 安装
程监控 通讯线 电源线 排水管
Installation Connection Connection Installation
of remote
of
of power of drainage
control
pipes
communica
cables
tion wires
地址拨码
Address dial code
Thermal
insulation
保温
连接室内机和室外机
Connection of indoor unit and outdoor unit
室内机
试运行检查
Test run of
indoor unit
Purge and make
吹洗和保压检漏
leakage detection
Connection of
连接电源线
power cables
under pressure
焊接
Welding
保温
Address dial code
连接室内机和室外机
Connection of indoor unit and outdoor unit
Leakage detection
under pressure
保压检漏
抽真空
Vacuuming
风量
噪音检查
Air flow and noise
level inspection
Add refrigerant
追加制冷剂
打开阀门
Open the valve
机组调试
Commissioning of
complete unit
竣工图
As-built Drawing
交付使用说明书
Delivery of the Operating
Instructions
97
DC INVERTER MULTI VRF
INSTALLATION
3 INSTALLATION OF OUTDOOR UNIT
3.1 Cautions for installation of side discharge outdoor unit
To ensure good operation of the air conditioner, the selection of installing position must be in accordance with the
following principles:
‹
‹
‹
‹
‹
‹
‹
‹
‹
‹
The outdoor unit shall be so installed that the air discharged out of the outdoor unit will not
flow back and that enough space shall be maintained around the machine for repair.
The installing position shall be in good ventilation, so that the machine can breathe and
exhaust enough air.
The installing position shall be strong enough to withstand the weight of outdoor unit and be
able to isolate the sound and absorb the vibration;Also ensure that the outlet air and noise
from the air conditioner will not affect the neighbors.
The outdoor unit must be lifted by using the designated lift hole. During lifting, take care to
protect the air conditioner and avoid knocking the metal parts, thus to prevent rusting in the
future.
Avoid direct sunshine as it might be.
The installing position must be able to drain the rainwater and the water generated from
defrosting.
The installing position must ensure that the machine will not be buried in the snow or affected
by the wastes or oil mist.
To meet the noise and vibration requirements, the outdoor unit shall be installed by using
rubber damping pad or spring damper.
The installing dimension shall comply with the installation requirements in these instructions.
The outdoor unit must be fixed at the installing position.
The installation shall be done by specialist technicians.
3.2 Selection of Installation Site
‹ The place with no residual air
‹ The place where the accessories can be securely fixed
‹ The place where the air will not obstruct the water inlet pipe or water outlet pipe
‹ The place that goes beyond the heating range of other heat sources
‹ The place where the wastewater can be safely drained
‹ The place where the noise and hot air will not affect the neighbors
‹ The place where the snow will not be piled
‹ The place where the water outlet pipe will not be blown by strong wind
Notes:
‹ Do not use guardrail on four sides. Leave 1m at least above the machine.
‹ In case of short-circuit risk, please install an adaptor changeable in air direction.
‹ To avoid short circuiting, please provide adequate suction space when multiple machines are
to be installed.
‹ In the region with snow, the machine shall be installed in a frame or beneath the snow guard,
thus to prevent snow piling on the machine.
‹ Do not install the equipment in a region where any inflammable gas might leak.
﹡The snow guard and other devices shall be designed and installed by the user.
98
DC INVERTER MULTI VRF
INSTALLATION
3.3 Dimensions Data
Appearance of GMV(L)-Pd100W/NaB-K,GMV(L)- Pd 120W/NaB-K,GMV(L)- Pd
140W/NaB-K,GMV(L)- Pd 160W/NaB-K
Unit:mm
Model
A
B
C
GMV(L)- Pd100W/NaB-K
1100
340
1250
GMV(L)- Pd120W/NaB-K
1100
340
1250
GMV(L)- Pd140W/NaB-K
1100
340
1250
GMV(L)- Pd160W/NaB-K
1100
340
1250
3.4 Installation space requirements
① Clearance data of single unit - Installation space requirements
GMV(L)-Pd120W/NaB-K Unit Installation Space Dimension
Unit: mm
② Clearance data of multiple unit
★Arranged alongside on left and right
◆Air outlet side open
Unit: mm
300(150)or above
300(150)
或以上
99
DC INVERTER MULTI VRF
◆
INSTALLATION
Obstructions on air outlet side
Unit: mm
500
500
or
over
或以上
300(150)
300(150)
or over
或以上
★Arranged on front and back
1500
or over
1500或以上
1500
or over
1500或以上
300(200)
300(200)
or over
或以上
★ Arranged alongside left / right and front / back
600(500)
600(500)
or
over
或以上
Unit: mm
★Arranged alongside on left and right
Unit: mm
100 or over
100
DC INVERTER MULTI VRF
INSTALLATION
★Arranged by layer on upper and lower
Unit: mm
200 or above
500 or above
500 or above
Bench
Bench
101
DC INVERTER MULTI VRF
INSTALLATION
4 INSTALLATION OF INDOOR UNIT
4.1 Duct Type
4.1.1 Selection of installation site
● The selection of the installation place of the air conditioner unit
The installation must accord with the national and local safe criterion.
Since the quality of installation would affect the operation directly, user should contact the
seller and have the conditioner installed and tested by the professional install personnel
according to the install instruction instead of install by himself/herself.
Only connect the power after all the installation works are finished.
● The selection of the installation place of the indoor unit
☆ Prevent direct sun burn.
☆ Make sure that the top steeve, ceiling, and the structure of the construction etc. is strong
enough to bear the weight of the unit.
☆ The drainage hose
is easy to drain.
☆ The air flow is not blocked at the outlet and intake vents.
☆ The connecting pipe indoors and outdoors can be led to outside conveniently.
☆ The unit cannot be installed in the place where flammable or explosive thing is stored or the
place where there is leakage of flammable or explosive gas.
☆ The unit cannot be installed in the place where there is corrupt gas and serious dust, saline fog,
lampblack and high humidity.
Note!
The air conditioner unit installed in the following place may have malfunction, if it is
unpreventable please contact the Nominated Repair Center Of Gree Electric Appliances, Inc. Of
Zhuhai.
①the place with greasy all around; ②the seashore place with salinity and alkali; ③the place with
vulcanized gas( such as vulcanized hot spring); ④the place with high frequency equipment ( such
as wireless equipment, electric welding machine and medical treatment equipment);⑤the place
with special environment.
102
DC INVERTER MULTI VRF
INSTALLATION
The following figure is applicable to the indoor units of
GMV(L)-R22P/Na-K,GMV(L)-R25P/Na-K,GMV(L)-R28P/Na-K,GMV(L)-R36P/Na-K
Electric box
Nameplate
Liquid pipe
Gas pipe
Rear air
return vent
Lower air return
Drainage pipe
The following figure is applicable to the indoor units of GMV(L)-R45P/Na-K, GMV(L)-R50P/Na-K,
GMV(L)-R56P/Na-K,GMV(L)-R63P/Na-K,GMV(L)-R71P/Na-K,GMV(L)-R80P/Na-K,GMV(L)-R90P
/Na-K,GMV(L)-R112P/Na-K,GMV(L)-R125P/Na-K,GMV(L)-R140P/Na-K
103
DC INVERTER MULTI VRF
INSTALLATION
Model
A(mm)
B(mm)
C(mm)
D(mm)
E(mm)
F(mm)
G(mm)
GMV(L)-R45P/ Na-K
932
430
738
904
980
736
738
GMV(L)-R50P/ Na-K
932
430
738
904
980
736
738
GMV(L)-R56P/ Na-K
1112
420
918
1070
1155
756
1008
GMV(L)-R63P/ Na-K
1112
420
918
1070
1155
756
1008
GMV(L)-R71P/ Na-K
1112
420
918
1070
1155
756
1008
GMV(L)-R80P/ Na-K
1112
420
918
1070
1155
756
1008
GMV(L)-R90P/ Na-K
1382
420
1155
1340
1425
756
1278
GMV(L)-R112P/ Na-K
1382
420
1155
1340
1425
756
1278
GMV(L)-R125P/ Na-K
1382
420
1155
1340
1425
756
1278
GMV(L)-R140P/ Na-K
1382
420
1155
1340
1425
756
1278
Model
H(mm
)
I(mm)
J(mm
)
Liquid pipe(inch)
Gas pipe(inch)
Drainage hose
(Outer ×Inner)
GMV(L)-R45P/ Na-K
125
207
266
Φ1/4"
Φ1/2"
Φ30×Φ27
GMV(L)-R50P/ Na-K
125
207
266
Φ1/4"
Φ1/2"
Φ30×Φ27
GMV(L)-R56P/ Na-K
207
250
300
Φ3/8"
Φ5/8"
Φ30×Φ27
GMV(L)-R63P/ Na-K
207
250
300
Φ3/8"
Φ5/8"
Φ30×Φ27
GMV(L)-R71P/ Na-K
207
250
300
Φ3/8"
Φ5/8"
Φ30×Φ27
GMV(L)-R80P/ Na-K
207
250
300
Φ3/8"
Φ5/8"
Φ30×Φ27
GMV(L)-R90P/ Na-K
207
250
300
Φ3/8"
Φ5/8"
Φ30×Φ27
207
250
300
Φ3/8"
Φ5/8"
Φ30×Φ27
207
250
300
Φ3/8"
Φ5/8"
Φ30×Φ27
207
250
300
Φ3/8"
Φ5/8"
Φ30×Φ27
GMV(L)-R112P/
Na-K
GMV(L)-R125P/
Na-K
GMV(L)-R140P/
Na-K
104
DC INVERTER MULTI VRF
INSTALLATION
The following figure is applicable to the indoor units of GMV(L)-R22P/NaB-K、GMV(L)
-R28P/NaB-K、GMV(L)-R36P/NaB-K、GMV(L)-R22PS/NaB-K、GMV(L)-R28PS/NaB-K、
GMV(L)-R36PS/NaB-K.
Fig.1
105
DC INVERTER MULTI VRF
INSTALLATION
The following figure is applicable to the indoor units of GMV(L)-R45P/NaB-K、 GMV(L)-R56P/NaB-K、
GMV(L)-R71P/NaB-K、GMV(L)-R90P/NaB-K、GMV(L)-R112P/NaB-K、GMV(L)-R140P/NaB-K、GMV
(L)-R45PS/NaB-K、 GMV(L)-R56PS/NaB-K、GMV(L)-R71PS/NaB-K、GMV(L)-R90PS/NaB-K、GMV(L)
-R112PS/NaB-K、GMV(L)-R140PS/NaB-K.
Fig.2
1、Look into from air outlet vent, the wiring is in the left of the unit.
2、The method of wind circle can be selected to bottom back wind or rear back wing according to the
installation circumstance of the reality.
型号
GMV(L)-R45P/NaB-K GMV(L)-R45PS/NaB-K
GMV(L)-R56P/NaB-K、GMV(L)-R71P/NaB-K
GMV(L)-R56PS/NaB-K、GMV(L)-R71PS/NaB-K
GMV(L)-R90P/NaB-K、GMV(L)-R112P/NaB-K
GMV(L)-R90PS/NaB-K、GMV(L)-R112PS/NaB-K
GMV(L)-R140P/NaB-K 、 GMV(L)-R140PS/NaB-K
A
932
B
430
C
738
D
892
E
980
F
721
G
738
H
125
I
203
J
266
1114
420
918
1074
1155
736
1010
207
207
300
1382
420
1155
1340
1425
736
1280
207
250
300
106
DC INVERTER MULTI VRF
INSTALLATION
4.1.3 Installation space requirements
Nut with
washer
Nut spring
pad
4.1.4 Installation demonstration
① Selection of return air duct
5
4
5
Supply
Wind air
supply
2
3
Supply air
Wind supply
Return air 1
Back wind
Install the return air pipe (a)
Install the back wind pipe (a)
4
6
1
Return air
Back wind
Install the return air pipe (b)
Install the back wind pipe(b)
No.
Name
No.
Name
1
Return air inlet (with filter)
4
Indoor unit
2
Canvas air duct
5
Supply air duct
3
Return air duct
6
Test grill
② Installation of fresh air duct
1. When fresh air ductis needed to be connected, cut the fresh air baffle as shown in fig.8. Plug up
the gap of fresh air baffle by sponge if fresh air duct is not used.
2. Install the circle flange so that the fresh air duct can be connected as fig.9.
3. Well sealing and heat preservation should be done for both air duct and circle flange pipe.
4. Fresh air should be the air after filtrate treatment.
Cut off
Cut off
Fresh
baffle
Newair
wind
baffle
Round air duct
Circle wind pipe
107
DC INVERTER MULTI VRF
INSTALLATION
③ Installation of air supply duct
Ceiling hoisting
Return
air
Back wind
Supply
air
Wind supply
Return
air
Back wind
No.
1
2
3
4
5
6
Name
Hoisting
Return air
duct
Ducted type
indoor unit
Return air
inlet
Supply air bent
Air outlet
Note:Fig.6 only shows the installation of back return air inlet.The bottom return air inlet can be
installed according to the back return air inlet. The supply air duct, which is rectangle or round, and
connected with the air inlet/outlet of the indoor unit, should keep open at least one. The round air
duct type should adopt round duct to transmit cold (hot) air to the room. The round air duct should
add a transitionary pipe, whose size should match with the size of supply air outlet of the unit. After
connecting the transitionary pipe, install the round air outlet connection pipe whose longest length
to each individual air outlet should not be over 10m. Ducted type indoor unit model 70 can share 3
trainsitional pipes, while model 100,120 can share 4. The transitional pipe, whose straight length is
200.Round air outlet connection pipe produced by our company, whose diameter is 200, can be
ordered separately as standard fittings. Model 50 and the model below it do not share the round air
vent. The following is the diagram for installation of round air duct.
Note:
1. The longest length of air duct means the general length of the supply air duct to the
farthest supply air outlet plus the general length of return air duct to the relative farthest
return air inlet.
2.To the unit with auxiliary heater, if the round air duct is need to connected, the straight
length of trainsitional air duct should not shorter than 200mm.
7
1
2
3
4
5
6
Number
1
2
3
4
5
6
7
Name
Screw
Return air
duct
Ducted type
indoor unit
Return air
inlet
Transitionary
pipe
Supply air
duct
Air outlet
pipe
④ Setting hole for maintenance
After installation of hidden duct-type unit, manhole must be provided in ceiling on the electric box
side of the indoor unit. In respect to the manhole, the following points must be taken into
consideration:
‹ For access, the manhole size shall be larger than 500mm×500mm.
‹ The manhole must be at a possible easily accessible for repair of electric elements and pipe.
‹ The return air inlet may also be used as manhole for repair of motor.
108
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INSTALLATION
4.2 4-way cassett type Unit
4.2.1 Selection of installation site
Obstruct should put away from the inlet or outlet of the indoor unit so that the airflow can be blown
though all the room.
Make sure that the installation had accorded with the requirement of the schematic diagram of
installation spaces.
Select the place which can stand 4 times of the weight of the indoor unit and would not increase
the operating noise and oscillate.
The horizontal installation place should be guaranteed.
Select the place where easy drainage of condensated coagulated water, and easy connection with
outdoor unit.
Make sure that there are enough space for care and maintenance. Make sure that the distance
between the indoor unit and ground is above 1800mm.
When installing the steeve bolt, check if the installation place can stand the weight 4 times of the
unit’s. If not, reinforce before installation. (Refer to the installarion cardboard and find where
should be reinforced)
Note!
There will be lots of lampblack and dust sticked on the acentric, heat exchanger and water pump
in dining room and kitchen, which would reduce the capacity of heat exchanger, thus leading water
leakage and abnormal operation of the water pump. The following treatments should be taken
under this circumstance:
Ensure that the smoke trap above cooker has enough capacity to obviate lampblack to prevent the
indraft of the lampblack by the air conditioner.
Keep the air conditioner far from the kitchen so that the lampblack would not be drafted in by the
air conditioner.
Important notices:
To guarantee the good performance, the unit must be installed by professional personnel
according with this instruction.
Please contact the local authorized repair department of Gree before installation. Any malfunction
caused by the unit that is installed by unauthorized center would not be treated on time by the
inconvenience of the business contact.
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INSTALLATION
4.2.2 Dimensions Data
780(Gaps between hoisting screw rods)
840( Indoor unit)
890*(Ceiling opening)
950(Decorated surface boards)
GMV(L)-R140T/Na-K
GMV(L)-R125T/Na-K,GMV(L)-R112T/Na-K,GMV(L)-R100T/Na-K,GMV(L)-R90T/Na-K,GMV(L)-R8
0T/Na-K,GMV(L)-R71T/Na-K,GMV(L)-R63T/Na-K,GMV(L)-R56T/Na-K ,GMV(L)-R50T/Na-K,GMV
(L)-R45T/Na-K ,GMV(L)-R36T/Na-K,GMV(L)-R28T/Na-K
Refrigerant pipe
Hoisting screw(X4)
680(Gaps between hoisting screw rods)
840( Indoor unit)
890(Ceiling opening)
950(Decorated surface boards)
A
Package
Dimension
Width (mm)
Depth (mm)
Height (mm)
GMV(L)-R28T/Na-K
950
950
210
GMV(L)-R36T/Na-K
950
950
210
GMV(L)-R45T/Na-K
950
950
210
GMV(L)-R50T/Na-K
950
950
210
GMV(L)-R56T/Na-K
950
950
310
GMV(L)-R63T/Na-K
950
950
310
GMV(L)-R71T/Na-K
950
950
310
GMV(L)-R80T/Na-K
950
950
310
GMV(L)-R90T/Na-K
950
950
340
GMV(L)-R100T/Na-K
950
950
340
GMV(L)-R112T/Na-K
950
950
340
GMV(L)-R125T/Na-K
950
950
340
Model
GMV(L)-R140T/Na-K
950
950
340
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DC INVERTER MULTI VRF
INSTALLATION
4.2.3 Installation space requirements
H
>20
W a ll
s u rfa c e
W a ll
s u rfa c e
W a ll
s u rfa c
≥ 1500
M odel
G M V (L )-R 2 8 T /N a -K
G M V (L )-R 3 6 T /N a -K
G M V (L )-R 4 5 T /N a -K
G M V (L )-R 5 0 T /N a -K
G M V (L )-R 5 6 T /N a -K
G M V (L )-R 6 3 T /N a -K
G M V (L )-R 7 1 T /N a -K
G M V (L )-R 8 0 T /N a -K
G M V (L )-R 9 0 T /N a -K
G M V (L )-R 1 0 0 T /N a -K
G M V (L )-R 1 1 2 T /N a -K
G M V (L )-R 1 2 5 T /N a -K
G M V (L )-R 1 4 0 T /N a -K
≥1800
≥ 1500
u n it:m m
H
210
260
340
G ro u n d
s u rfa c e
4.2.4 Installation demonstration
1 The primary step for installing the indoor unit.
☆ When attaching the hoisting stand on hoisting screw, do use nut and gasket individually at the
upper and lower of the hoisting stand to fix it. The use of gasket anchor board can prevent
gasket breaking off.
2 Use installation cardboard
☆ Please refer to the installation cardboard about the dimension of ceiling opening.
☆ The central mark of the ceiling opening is marked on the install cardboard.
☆ Install the installation cardboard on the unit by bolt (3 piece), and fix the angle of the drainage
hose
at the outlet vent by bolt.
3 Adjust the unit to the suitable installing place. (Refer to the fig.2)
4 Check if the unit is horizontal.
☆ Inner drainage pump and bobber switch are included in the indoor unit. Check if 4 angles of
each unit are horizontal by water level. (If the unit is slant toward the opposite of the coagulate
water flow, there may be malfunction of the bobber switch and leading water drop.)
5 Remove the gasket anchor board used to prevent gasket breaking off and tighten the nut on it.
6 Remove the installation cardboard.
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INSTALLATION
Nut (supplied at scene)
Gasket (attachment)
Insert
Hoisting stand
Gasket anchor board
(attachment)
Tighten (double nuts)
[Fix the hoisting stand firmly]
[Fix the gasket firmly]
Bolt of one of the angle of outlet pipe is fix
on the angle of the drainage slot
Center of the ceiling
opening
Install cardboard
Water lever
Bolt (attachment)
Polyethylene pipe
Bolt (attachment)
[Fix the install cardboard]
Note!
● Please do tighten the nuts and bolts to prevent air conditioner breaking off.
● Connect the refrigerant pipe
☆ When connecting the pipe to the unit or remove it from the unit, please do use both spanner
and torque wrench. as shown in fig.3.
☆ When smearing both inside and outside of the flare nut with antifreezing motor oil, screw it by
hand and then tighten it with spanner.
☆ Refer to form 1 to check if the wrench has been tightened (too tight would mangle the nut and
lead leakage).
☆ Examine the connection pipe for gas leakage, and then take the treatment of heat insulation, as
shown in the fig.3.
☆ Only use median sponge to entwine the wiring interface of the gas pipe and heat preservation
sheath of the gas collection pipe.
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INSTALLATION
Smear freeze motoroil
here
Median sponge (attachment)
(entwine the wiring interface
with seal mat)
Thread fasten(x4)
Torque wrench
Heat preservation
sheath of liquid inlet
tube (attachment) (for
liquid tube)
Spanner
Gas collection tube
Liquid inlet tube
Wiring interface
Heat preservation
sheath of gas collection
tube (attachment)(for
gas tube)
Fig.3
Flare nut
Form 1: The tightening torque needed for tightening nut
Diameter(Inch)
Surface thickness(mm)
Tightening torque (N.m)
Φ1/4’’
≥0.5
15-30 (N·m)
Φ3/8’’
≥0.71
30-40 (N·m)
Φ1/2’’
≥1
45-50 (N·m)
Φ5/8’’
≥1
60-65 (N·m)
Φ3/4’’
≥1
70-75 (N·m)
● Drainage hose
1. Installing the drain hose
☆ The diameter of the drainage hose should be equal or bigger than the connection pipe’s. (The
diameter of polythene pipe: Outer diameter 25mm Surface thickness ≥1.5mm)
☆ Drainage hose should be short and drooping gradient should be at least 1/100 to prevent the
formation of air bubble.
☆ If drainage hose cannot has enough drooping gradient, drain raising pipe should be added.
☆ To prevent bent of the drain hose, the distance between hoisting stands should is 1 to 1.5m.
1-1.5m
○(Correct) 1/100 or more gradient
× (wrong)
☆ Use the drainage hose and clamp attached. Insert the drainage hose to the drain vent, and then
tighten the clamp.
☆ Entwine the big sponge on the clamp of drainage hose to insulate heat.
☆ Heat insulation should be done to
Sponge(attachment)
indoor drainage hose.
Drain stepup pipe note
☆ The installation height of the drain
raising pipe should less than 280mm.
☆ The drain raising pipe should form a
Clamp
Clamp(attachment)
113
Sponge (gray)
Drain hose
Below 4mm
DC INVERTER MULTI VRF
INSTALLATION
right angle with the unit, and distance to unit should not be beyond 300mm.
Roof
Drain hose
Drain raising
hose
.
220mm
below500mm
Hoisting stand
below280mm
1-1.5m
.
Within 300mm
Clamp(attachment)
Ceiling
below500mm
D ra in h o s e (a tta c h m e n t)
.
☆ The slant gradient of the attached drainage
hose should be within 75mm so that the drain
hole doesn’t has to endure the unnecessary
outside force.
☆ Please install the drainage hose according to
the following process if several drain hoses
connected together.
below75mm
Instruction
T-tie in join drain hose
.
Above100mm
The specs of the selected join drain hose should fits the running capacity of the unit.
2 Check the smoothness of drain after installation.
☆ Check the drain state by immitting 600cc water slowly from the outlet or test hole.
☆ Check the drain in the state of refrigerating after installation of the electric circuit.
[Way of immiting]
Drain hose
Drain vent for repair use (plastic
stopper is included) (drain the water
in waterspout by this outlet vent)
.
Above100mm
Test hole cover
Test hole
< Immiting water from the rest hole>
Plastic water pot (The length of the
pipe should be about 100mm.)
<Immiting water from the outlet
vent terminal>
114
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INSTALLATION
4.3 Floor Ceiling Type
4.3.1 Selection of installation site
Selection of Installation Location for Air Conditioner Unit
The installation of air conditioner unit must be in accordance with national and local safety
codes.
Installation quality will directly affect the normal use of air conditioner unit. The user is
prohibited from installation by himself. Please contact your dealer after buying this
machine. Professional installation workers will provide installation and test services
according to installation manual.
Do not connect to power until all installation work is completed.
● Selection of Installation Location
Such a place where cool air can be distributed throughout the room.
Such a place where is condensation water is easily drained out.
Such a place that can handle the weight of indoor unit.
Such a place, which has easy access for maintenance.
Such a place where easy connection with the outdoor unit is permitted.
Such a place which is 1m or more away from other electric appliances such as television, audio
device, etc.
Avoid a location where there is heat source, high humidity or inflammable gas.
Do not use the unit in the immediate surroundings of a laundry, a bath, a shower or a swimming
pool.
Be sure that the installation conforms to the installation dimension diagram.
● Caution for installation where air conditioner trouble is likely to occur
Where there is too much oil.
Where it is acid base area.
Where there is irregular electrical supply.
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INSTALLATION
4.3.2 Dimensions Data
Model
Installation dimensions
Outline dimensions
E
D
A
B
C
GMVL-R28Zd/Na-K
GMV-R28Zd/Na-K
260
745
840
695
238
GMVL-R36Zd/Na-K
GMV-R36Zd/Na-K
260
745
840
695
238
GM(L-R50Zd/Na-K
GMV-R50Zd/Na-K
260
745
840
695
238
GMVL-R71Zd/Na-K
GMV-R71Zd/Na-K
260
1220
1300
600
188
GMVL-R90Zd/Na-K
GMV-R90Zd/Na-K
260
1500
1590
695
238
GMVL-R112Zd/Na-K
GMV-R112Zd/Na-K
260
1500
1590
695
238
GMVL-R125Zd/Na-K
GMV-R125Zd/Na-K
260
1500
1590
695
238
116
DC INVERTER MULTI VRF
INSTALLATION
4.3.3 Installation space requirements
The space around the unit is adequate for ventilation (Refer to Fig.1)
Fig.1
4.3.4 Installation demonstration
● There are 2 styles of installation
☆ Ceiling type
☆ Floor type
Each type is similar to the other as follows:
1. Determine the mounting position on ceiling or wall by using paper pattern to indicate indoor
frame. Mark the pattern and pull out the paper pattern. (Refer to Fig.2)
2. Remove the return grill, the side panel and the hanger bracket from the indoor unit as per
procedure bellow.
☆ Press the fixing knob of the return air inlet grills, the grilles will be opened wider and then pull
them out from the indoor.
☆ Remove the side panel fixing screw and pull to the front direction (arrow direction) to remove.
Side panel fixing screw (Refer to Fig.3).
☆ Loosen two hanger bracket setting bolts (M8) on eath side for less than 10mm. Remove two
hanger bracket fixing bolts (M6) on the rear side. Detach the hanger bracker by pulling it
backward (Refer to Fig.5).
Fig.2
Fig.3
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DC INVERTER MULTI VRF
INSTALLATION
3. Set the suspension bolt. (Use W3/8 or M10 size suspension bolts)
☆ Adjust the distance from the unit to the ceiling slab beforehand (Refer to Fig.4)
4. Fix the hanger bracket to the suspension bolt.
Warning!
☆ Make sure that extended suspension bolt from the ceiling stays inside the arrowed position.
Readjust the hanger bracket when it is outside the arrowed position. (Refer to Fig.6)
☆ Suspension bolt stays inside the cap of indoor unit. Never remove the cap.
5. Lift the unit and slide forward unit the dent. (Refer to Fig.7)
6. Screw tightly both hanger bracket-setting bolts (M8). (Refer to Fig.5)
7. Screw tightly both hanger bracket-fixing bolts (M6) to prevent the movement of the indoor unit.
(Refer to Fig.5)
8. Adjust the height so that rear side of the drainpipe slightly inclines to improve drainage.
Caution!
☆ Adjust the height by turning the nut with a spanner.
Insert the spanner from the hanger bracket opening. (Refer to Fig.8)
In case of hanging
It is possible to install using inward facing hanger brackets by not removing the brackets from the
indoor unit. (Refer to Fig.9)
Be sure to use only the specified accessories and parts for installation work.
118
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INSTALLATION
119
DC INVERTER MULTI VRF
INSTALLATION
4.4 Wall mounted type
B
4.4.1 Dimensions Data
C
A
Remark :The appearance will be different according to the models.
Model
GMV(L)-R22G/NaB-K
GMV(L)-R22G/NaC-K
GMV(L)-R28G/NaB-K
GMV(L)-R28G/NaC-K
GMV(L)-R36G/NaB-K
GMV(L)-R36G/NaC-K
GMV(L)-R45G/NaB-K
GMV(L)-R45G/NaC-K
A(mm)
770
770
830
830
B(mm)
250
250
285
285
C(mm)
190
190
189
189
Model
GMV(L)-R50G/NaB-K
GMV(L)-R56G/NaB-K
A(mm)
1020
1020
B(mm)
310
310
C(mm)
228
228
Model
GMV(L)-R71G/Na-K
GMV(L)-R80G/Na-K
A(mm)
1178
1178
B(mm)
326
326
C(mm)
227
227
120
DC INVERTER MULTI VRF
INSTALLATION
4.4.2 Installation space requirements
Schematic diagram of installation spaces
ceiling
>150
ceiling
>150
>3000
wall
>2000
>150
unit:mm
ground
ground
Important Notice:
The unit must be installed by the professional personnel according to this install instruction to
ensure the well use.
Please contact the local authorized repair department of Gree before installation. Any malfunction
caused by the unit that is installed by unauthorized center would not be treated on time by the
inconvenience of the business contact.
It should be guided under the professional personnel when the air conditioner unit is moved to
other place.
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INSTALLATION
4.4.3 Installation demonstration
Fig.1
1. Find the horizontal position by seton method; since the drainage hose
is on the left side,
adjust the rear panel to make its left side a little bit lower.
2. Fix the rear panel on the wall by bolt.
3. After installing the rear panel, pull it by hand to check if it is firm enough. The hang panel should
support the weight of an adult (60KG), and the weight shared by every bolt for steady should be
fairly even.
4. The diameter showed on the fig.1 is 65mm.
Installation the Wall Mounted Type indoor unit
☆ Make the piping hole (Φ65mm) in the wall at a slight downward slant to the outdoor side. The
center of the hole should be determined refer to Fig.1
☆ Insert the piping-hole sleeve into the hole to prevent the connected piping and wiring from being
damaged when passing through the hole.
● Install the drainage hose
For well draining, the drainage hose should be placed at
Wrenched
a downward slant.
Bent
Do not wrench or bend the drainage hose or flood its
end bywater. (Fig.2)
☆ Wrap heat resistant material when connect the
Flooded
longer drainage hose though indoor.
Fig .2
● Install the connection pipes
Connect the connection pipe with the two relative leading pipes, and tie the nut on tie –in of the
connect pipe tightly.
Note!
☆ Be careful in bending the connection pipes, or you will damage the pipes.
☆ If the tightening torque is too great in tightening the flare nut, leakage will happen.
4.5 1-way cassett type Unit
4.5.1 Selection of installation site
1. Obstruct should be away from the air intake or outlet vent of the indoor unit so that the
airflow blow all over the place of the room.
2. Make sure the installation of the indoor unit accords with the requirement for installation
dimension drawing.
3. Select the place which can withstand 4 times weight of the indoor unit and would not
increase the operating noise and shake.
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DC INVERTER MULTI VRF
INSTALLATION
4. The installation place should be horizontal.
5. Select the place, where coagulated water is easy to discharge and outside unit to be
connected.
6. Above 18000mm between the earth and indoor unit should be ensured for maintenance and
repair.
7. Use hoisting screw to check if the installation place can withstand 4 times weight of the units and
strengthen it before installing.
4.5.2 Dimensions Data
Important notice:
Drilling the hole of the ceiling and installing the units must be operated by
professionals
4.5.3 Clearance data
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DC INVERTER MULTI VRF
INSTALLATION
4.5.4 Installation demonstration
Fig 3
Hoisting the main body of the unit
1. Hoisting the main body
Attach the hoisting stand base to hoisting screw. In order to firm the hoisting stand
base, use nuts with washers on either end of it.(refer to Fig. 1)
2. Please refer to the dimension of ceiling opening on the cardboard for installation
●
●
●
3.
4.
There is a mark for ceiling opening center on the cardboard.
There is also a mark for main body center on the cardboard.
Use screws to fix the installation cardboard on the unit. (refer to Fig.3)
Adjust the unit to right installation place.
Check if the unit is horizontal.
Inner drainage pump and bobber switch are installed in indoor unit. Check if every
side of the unit is horizontal by water lever. (If the unit slants to opposite direction
towards which coagulate water flows, it will bring malfunction to the bobber switch
and cause water drops. (refer to Fig.2)
5. Unscrew the screws on the cardboard, which can be used for installing front panel.
124
DC INVERTER MULTI VRF
●
INSTALLATION
Drainage pipe
1. Installing drainage pipe
The diameter of drainage pipe should be larger than that of connecting pipe. (Polythene pipe:
dimension: outer diameter 25mm wall thickness≥1.5mm)
● Drainage pipe should be as short as possible and drooping gradient at least 1/100 to avoid
the formation of air bubble.
● If drainage hose cannot have enough drooping gradient, drainage raising pipe should be
installed.
● In order not to bend the drainage hose, the distance between hoisting stands should be 1 to
1.5m..
●
●
●
With accessory drainage hose and clamp, insert the drainage hose into the drainage faucet,
and then tighten the clamp.
Entwine the clamp of drainage hose with the big sponge to isolate heat.
Isolate heat for the outdoor drainage host.
Sponge (Gray)
Drainage Hose
Notice for drainage raising pipe
● The installation height should be less than 280mm.
● A right angle should be formed by the drainage raising pipe and unit, which should not be
more than 300mm far from the unit.
125
DC INVERTER MULTI VRF
INSTALLATION
Ceiling
Note:
● The gradient of the accessory drainage hose should be within 75mm so that the drainage
faucet need not endure extra outside force.
● If several drainage hoses join together, please install them according to the following
process.
The specs of the selected joint hose should fit the running capacity of the
units.
●
Front panel body and installation
1.Take off the front panel from the panel body.
126
DC INVERTER MULTI VRF
INSTALLATION
2. AS shown in Fig.4, install the panel body, and then tighten the screws according to the
sequences in the figures.
3 .As shown in Fig.5, install the panel on the panel ,and then turn it for fastening
4.6 cassette type indoor unit
Schematic diagram of installation spaces
Fig.1
● Select install location of the indoor unit
1. Obstruct should put away from the intake or outlet vent of the indoor unit so that the airflow can be
blown though all the room.
2. Make sure that the installation had accord with the requirement of the schematic diagram of installation
spaces.
3. Select the place where can stand 4 times of the weight of the indoor unit and would not increase the
operating noise and oscillate.
4. The horizontally of the installation place should be guaranteed.
5. Select the place where easy drain condensated coagulated water, and easy connect with outdoor unit.
127
DC INVERTER MULTI VRF
INSTALLATION
6. Make sure that there are enough space for care and maintenance. Make sure that the weight between the
indoor unit and ground is above 1800mm.
7. When installing the steeve bolt, check if the install place can stand the weight 4 times of the unit’s. If not,
reinforce before installation. (Refer to the install cardboard and find where should be reinforced)
Note!
There will be lots of lampblack and dust stick on the acentric, heat exchanger and water pump in dining
room and kitchen, which would reduce the capacity of heat exchanger, lead water leakage and abnormal
operation of the water pump. The following treatment should be taken under this circumstance:
1. Ensure that the smoke trap above cooker has enough capacity to obviate lampblack to prevent the indraft
of the lampblack by the air conditioner.
2. Keep the air conditioner far from the kitchen so that the lampblack would not be indraft by the air
conditioner.
● Important notice:
☆ To guarantee the good performance, the unit must be installed by professional personnel according with
this instruction.
☆ Please contact the local Gree special nominated repair department before installation. Any malfunction
caused by the unit that is installed by the department that is not special nominated by Gree would not deal
with on time by the inconvenience of the business contact.
● Dimension of ceiling opening and location of the hoisting screw (M10)
128
DC INVERTER MULTI VRF
INSTALLATION
Install dimension of mode
GMV(L)-R45T/ NaA-K 、GMV(L)-R36T/ NaA-K、GMV(L)-R28T/ NaA-K、GMV(L)-R22T/
NaA-K、
☆ The drilling of holes in the ceiling must be done by the professional personnel.
Ceiling
(160)
Installation stands for m ain body of the unit
Above 20
Fig.2
Notes: The dimension for the ceiling openings with * marks can be as large as 910mm. But
the overlapping sections of the ceiling and the decorated surface boards should be maintained
at no less than 20mm.
● Main body of hoisting air conditioner
1
The primary step for install the indoor unit.
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DC INVERTER MULTI VRF
INSTALLATION
☆ When attach the hoisting stand on hoisting screw, do use nut and gasket individually at the upper and
lower of the hoisting stand to fix it. The use of gasket anchor board can prevent gasket break off.
2
Use install cardboard
☆ Please refer to the install cardboard about the dimension of ceiling opening.
☆ The central mark of the ceiling opening is marked on the install cardboard.
☆ Install the install cardboard on the unit by bolt (3 piece), and fix the angle of the drainage pipe at the
outlet vent by bolt.
3
Adjust the unit to the suitable install place. (Refer to the fig.2)
4
Check if the unit is horizontal.
☆ Inner drainage pump and bobber switch are included in the indoor unit, check if 4 angle of every unit are
horizontal by water lever. (If the unit is slant toward the opposite of the coagulate water flow, there may be
malfunction of the bobber switch and lead water drop.)
5
Backout the gasket anchor board used to prevent gasket break off and tighten the nut on it.
6
Backout the install cardboard.
Nut (supplied at scene)
Gasket (attachment)
Insert
Hoisting stand
Gasket anchor board
(attachment)
Tighten (double nuts)
[Fix the hoisting stand firmly]
[Fix the gasket firmly]
Bolt of one of the angle of outlet pipe is fix
on the angle of the drainage slot
Center of the ceiling
opening
Install cardboard
Water lever
Bolt (attachment)
Polyethylene pipe
Bolt (attachment)
[Fix the install cardboard]
Note!
●
Please do tighten the nuts and bolts to prevent air conditioner break off.
● Connect the refrigerant pipe
☆ When connect the pipe to the unit or backout it from the unit, please do use both spanner and torque
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INSTALLATION
wrench. as shown in fig.3.
☆ When connect, smear both inside and outside of the flare nut with freeze motor oil, screw it by hand and
then tighten it with spanner.
☆ Refer to form 1 to check if the wrench had been tightened (too tight would mangle the nut and lead
leakage).
☆ Examine the connection pipe to see if it had gas leakage, then take the treatment of heat insulation, as
shown in the fig.3.
☆ Only use median sponge to entwine the wiring interface of the gas pipe and heat preservation sheath of
the gas collection tube.
Smear freeze motoroil
here
Median sponge (attachment)
(entwine the wiring interface
with seal mat)
Thread fasten(x4)
Torque wrench
Heat preservation
sheath of liquid inlet
tube (attachment) (for
liquid tube)
Spanner
Gas collection tube
Liquid inlet tube
Wiring interface
Heat preservation
sheath of gas collection
tube (attachment)(for
gas tube)
Fig.3
Flare nut
Form 1: The tightening torque needed for tightening nut
Diameter(Inch)
Surface thickness(mm)
Tightening torque (N.m)
φ1/4’’
≥0.5
15-30 (N・m)
φ3/8’’
≥0.71
30-40 (N・m)
φ1/2’’
≥1
45-50 (N・m)
φ5/8’’
≥1
60-65 (N・m)
φ3/4’’
≥1
70-75 (N・m)
● Drainage hose
1.
Install the drain hose
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INSTALLATION
☆ The diameter of the drain hose should be equal or bigger than the connection pipe’s. ( The diameter of
polythene pipe: Outer diameter 25mm Surface thickness ≥1.5mm)
☆ Drain hose should be short and drooping gradient should at less 1/100 to prevent the formation of air
bubble.
☆ If drain hose cannot has enough drooping gradient, drain raising pipe should be added.
☆ To prevent bent of the drain hose, the distance between hoisting stand should is 1 to 1.5m.
1-1.5m
○(Correct) 1/100 or more gradient
× (wrong)
☆ Use the drain hose and clamp attached. Insert the drain
Sponge(attachment)
hose to the drain vent, and then tighten the clamp.
Clamp
☆ Entwine the big sponge on the clamp of drain hose to
Clamp(attachment)
insulate heat.
☆
Heat insulation should be done to indoor drain hose.
Drain stepup pipe note
Drain hose
Sponge (gray)
Below 4mm
☆ The install height of the drain raising pipe should less
than 280mm.
☆ The drain raising pipe should form a right angle with the unit, and distance to unit should not beyond
300mm.
Roof
Drain hose
Drain raising
hose
.
220mm
Ceiling
below500mm
Hoisting stand
below280mm
1-1.5m
.
Within 300mm
Clamp(attachment)
Instruction
☆ The slant gradient of the attached drain hose should be within 75mm so that the drain hole doesn’t has to
endure the unnecessary outside force.
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INSTALLATION
below500mm
.
D ra in h o s e (a tta c h m e n t)
below75mm
☆ Please install the drain hose according to the following process if several drain hoses join together.
T-tie in join drain hose
.
Above100mm
The specs of the selected join drain hose should fits the running capacity of the unit.
2
Check the smoothness of drain after installation.
☆ Check the drain state by immitting 600cc water slowly from the outlet vent or test hole.
☆ Check the drain in the state of refrigerating after installation of the electric circuit.
● Electrical wiring
Note: The power of the entire indoor unit must be unity power supply
☆ About the electrical wiring, please see the circuit diagram attached with the unit.
☆ All the installation of electrical wiring must be done by professional personnel.
☆ Please do take the earthing treatment.
Wiring method of connection unit and controller
☆ Connection wiring (communication):
① Open electric box cover, drag the wiring (communication)from the rubber plug A, and impact them well
individually by impact fastener.
② Wiring according to the indoor side circuit diagram.
☆ Fix the impact fastener after connection.
☆ Entwine the small sponge on the electric wire ( do entwine it to prevent condensation)
☆ Impact tightly by impact fastener after connection and then fit on the electric box.
N
L
☆ Connect the 3 cord rubber wire to the counter terminal of the 3 way terminal board.
L
N
power supply
3 way terminal board
3 core rubber wire
3 core rubber wire
Impact fastener
● Function description of functional dial switch S7
1. The 3-bit dial switch must be set before energizing the main board and it determines running state of
indoor unit.
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DC INVERTER MULTI VRF
2. Function of it is as follow:
Dial switch
Silk screen
1(S / R)
2(L / I)
3(M / S)
INSTALLATION
Function
Selection of memory mode:
A:Selection between reset mode and standby mode after
Dial ON
Standby
after
Dial OFF
Reset after
energizing
energizing
B:This function is available without wired controller.
energizing
Selection between manual controller and receiver
A:If manual controller is selected, remote-control function of
Selecting
Selecting
receiver will be shielded.
B:If receiver is selected, wired controller will be non-effective.
wired
receiver
controller
joint
Main indoor
Slave
unit
indoor unit
Setting of main and slave indoor units
A:For resolution of conflict among the modes.
B:This function is available without wired controller.
● Install the panel
1. Set the panel to the indoor unit body by matching the position of the swing flap motor of the panel to the
piping position of the panel to the piping position of the indoor unit as shown by fig.4.
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2. Install the panel
① Screw the 4 hexagon head screws under the latches in about 15mm. (The panel would rise)
② Adjust the panel by turning it toward the direction pointed by the arrow as shown in fig.4, so that
the adjust board connect the ceiling well.
③ Tighten the screws until the thickness of the sealing material between panel and indoor unit
reduced to 5-8mm.
Piping position
Swing flap motor
Bolt (attachment)
①
②
Bolt (attachment)
Sealing material
Indoor unit
.
Ceiling
Air outlet vent
5mm to 8mm
③
Decoration panel
Fig 4
Note
1. Improper screwing of the screws may cause the troubles shown in fig.5.
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Air leak
Air leak from ceiling
Water condensatation, water drop
Fig.5
2. If gap still exist between ceiling and decoration panel after tightening
the screws, readjust the height of the indoor unit. (As shown in fig.6)
If the raising lever and drain hose are
not affect, can adjust the height of
indoor unit by the hole on the corner
of panel.
Gaps are not allowed
Fig.6
※ After fixing, be sure no gap left between the ceiling and the panel.
3. Wiring of the decoration panel (Fig.7)
☆ Connect the joints for swing flap motor lead wire (at 2 places) installed on the panel.
At body
At body
At pane
At pane
Fig.7
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Drainage equipment (inside type)
Discharge condensate water from
indoor unit when cooling
Drainage hose
Guide louver
(placed in air
outlet vent)
Air outlet vent
Air filter, purifier (in
air inlet grille)
Connecting pipe
Air inlet grille
Fig.8
GMV-R22T/NaA-K
GMV-R28T/NaA-K
GMV-R36T/NaA-K
GMV-R45T/NaA-K
GMVL-R22T/ NaA-K
GMVL-R28T/ NaA-K
GMVL-R36T/ NaA-K
GMVL-R45T/ NaA-K
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5 INSTALLATION REQUIREMENTS OF REFRIGERANT PIPING
5.1 Specification of refrigerant pipe
R410a refrigerant system
External
Diameter(mm/inch)
Thickness(mm)
External
Diameter(mm/inch)
Thickness(mm)
φ6.35
≥0.8
φ22.2
≥1.5
φ9.52
≥0.8
φ25.4
≥1.5
φ12.7
≥1
φ28.6
≥1.5
φ15.9
≥1
φ34.9
≥1.5
φ19.05
≥1
5.2 Allowable Length and Height Differences of the Refrigerant Piping between the Indoor and Outdoor
Units
Allowable Value
Pipe
100,120,140,160
Total Length (Actual Length) of Pipes
Length of farthest pipe (m)
150m
Actual Length
70m
Equivalent Length
80m
Length of pipe from the 1st manifold to the farthest indoor unit
Height difference between
indoor unit and outdoor unit
L1+L2+L3+a+b++c+d
L1+L2+L3+d
25m
L2+L3+d
Outdoor unit on upper
30m
——
Outdoor unit at lower
25m
——
10m
——
Height difference between indoor unit and outdoor unit
5.3 Size of Connection Pipe
5.3.1 The size of the pipe (main pipe) from the outdoor unit to the 1st manifold is same as the size
of outdoor pipe.
Size of Outdoor Pipe
Model
Item
Connection
Pipe
GMV(L)-Pd100
W/NaB-K
GMV(L)-Pd120
W/NaB-K
GMV(L)-Pd140
W/NaB-K
GMV(L)-Pd160
W/NaB-K
Liquid
pipe
mm
φ9.52
φ9.52
φ9.52
φ9.52
Air pipe
mm
φ15.9
φ15.9
φ15.9
φ19.05
Connection
mode
Flared connection
Note: If the equivalent length of total t pipe exceeds 90m, the fitting pipe on gas side and liquid
side shall be increased of one dimension.
5.3.2 The size of the pipe (branch pipe) between the manifolds is selected according to the
capacity of downstream indoor unit to be connected (See Table below). If exceeding the capacity
of outdoor unit, the capacity of outdoor unit will prevail.If exceeding the capacity of outdoor unit,
the capacity of outdoor unit will prevail.
Total capacity of indoor units
Air pipe
Liquid pipe
C≤50
φ12.7
φ6.35
50<C≤140
φ15.9
φ9.52
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140<C≤180
INSTALLATION
φ19.05
φ9.52
5.3.3 The size of the pipe (indoor pipe) between manifold and indoor unit is same as the size of
indoor pipe (See Table below) (If the distance from the first branch to one indoor unit is over 30m,
the air pipe and the liquid pipe from the 1st branch to this indoor unit shall be increased by one
level).
Capacity of Indoor Unit
Air pipe
Liquid pipe
22,25,28 type
φ9.52
φ6.35
32,36,40,45,50 type
φ12.7
φ6.35
40,45,50 type
φ12.7
φ9.52
56,63,71,80,90,100,112,125,140
type
φ15.9
φ9.52
Note: When the capacity of indoor unit is less than 5KW, if the distance from the nearest manifold
to the indoor unit exceeds 10m, the fitting pipe on liquid side of the pipe shall be increased of one
dimension.
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6 INSTALLATION OF REFRIGERANT PIPING
6.1 Flow Chart of Installation
Installation of
indoor unit
Fabrication according to
piping design dimension
Installation of
connection pipes
Expel with nitrogen
Welding
Purge
Airtight test
Vacuuming and
drying
6.2 Three Principles of Refrigerant Piping Installation
Keep to the three principles of refrigerant piping:
Dry
Clean
Airtight
Key Factors
Measures to Avoid Failure
z
Invasion of outside water
Fabrication of
Vacuuming and
Purge
fitting pipe
Example: Rainwater, engineering
drying
water
z
Invasion of indoor condensate
z
Formation of oxides inside the Expel with nitrogen 0.05~0.3Mpa
pipe during welding
Purge
z
Invasion of dust and foreign
articles from outside
Fabrication of
fitting pipe
Incomplete welding
Leakage from flared port
Leakage from edge
Use suitable materials
(copper tube, soldering bar)
Observe the basic
welding procedures.
Observe the basic operations
for flaring of fitting pipe
Observe the basic
interfacing procedures
Airtight test
z
z
z
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6.3 Installation of Metal Embedded Pipe
Work Order
‹
Metal Embedding
Diagram
Plotting
Installation of Metal
Embedded Parts
Plot the line on ground if possible and use laser to project it onto the roof. This is quick and
correct.
Advance Installation of Metal Embedded Parts
‹
Please select according to local codes.
Subsequent Installation of Expansion Bolts
‹
In case that the metal embedded parts cannot be used due to design change, the expansion
bolts may be used.
Subsequent Installation of Expansion Bolts
‹
● The foot pedal shall be supported on three points if exceeding 2m.
The foot pedal must be fixed securely to the ladder.
● Please do not work on the top of ladder.
6.4 Installation of Carriage of Refrigerant pipin
1) Fixing of horizontal pipe
1)Fixing of horizontal pipe
The refrigerant pipe will extend and shrink with each start or stop of the air conditioner unit
(5~10 times / hour). Under a temperature difference of 80℃, this extension may reach 13.84mm
for every 10m. To prevent failure, the pipes must be reinforced as follows.
Spacing between supports
Outer diameter of pipe (mm)
6.35-8.52
Over 12.7
Spacing between supports (m)
Below 1.2
Below 1.2
Note: If the gas pipe and liquid pipe are suspended together, the size of liquid pipe shall
prevail.
CAUTION:
Never let the pipe in direct contact with the fixing metal parts. Thermal insulation shall be
provided around the fixing metal parts; otherwise, condensing will occur.
2)Fixing of vertical pipe
The vertical pipe may be fixed by using the commodity tools in market or self-made tools. As
above, the fixing point shall also be thermally insulated.
3)Fixing of other points
Measures shall be taken to prevent the extension or shrinkage of pipes from causing excessive
loads to some positions, machine joint and waterproof points. Generally, such positions refer to
the branch pipe joint, pipe ends, four sides of indoor unit and wall-cross hole.
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6.5 Management and Machining of Refrigerant Piping
1)Storage
After receiving the refrigerant pipe and other components, do not move them to the storage until
confirming that they have no deformation, bend, crack or damage.
The pipe end must be sealed to prevent the invasion of moisture or wastes.
The copper pipe with coating may become deformed under the compression of the coating
material, so that the coils shall be placed upright.
To avoid the invasion of moisture or wastes, a support higher than the ground must be built by
using woods.
Care of pipe end during construction
The pipe ends must be well cared during construction. According to the working position, work
progress and surrounding environment, the most effective way is to seal the end and wrap with
adhesive tape.
Sealing method
Clamp the pipe end and weld on it.
Clamp the pipe end to flat and weld on the clearance. Then, charge nitrogen 2~
5kgf/cm . This will be more effective.
Method for wrapping with adhesive tape
Seal the pipe end with ethylene tape.
2)Coil unwinding
2
CAUTION:
When unwinding the coil, take care not to drag it on the ground. The coil shall be slowly unwound
on ground without any twisting. In case of excessive compression by any hard object during
unwinding, the thermal insulation materials may be damaged and cannot be recovered, which will
deteriorate the performance of thermal insulation. Do not unwind carelessly. Otherwise, the fitting
pipe might be flattened.
The copper pipe shall be rounded if the pipe end is deformed.
(The higher the size, the higher the possible deformation)
3)Measuring of pipe
(To reduce the resistance and length of copper pipe), the dimension of main refrigerant pipe shall
be so taken that the bends shall be minimized, the radius of bend section shall be increased and
the upstream and downstream section shall be reduced. Use the method that can reduce the
actual length and equivalent length of the copper pipe.
Sometimes the connection pipe of indoor unit must be adjusted due to the relation with
accessories, drainage hose
and connection surface. Therefore, a fairly marginal dimension
shall be taken.
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4)Cut·Chamfer
Cut
Cut vertically to axis direction by using special pipe cutter that is suitable to the dimension of
copper pipe (big, medium, small).
During operation, press and rotate the pipe cutter slowly and cut off the copper pipe without
causing any deformation.
Never use saw or grinding wheel, because the copper scraps may be left inside the pipe. Even use
of such tools once will make all works scrapped. It is useless no matter how good the quality of
other works. It is best that all operators shall have one pipe cutter and at least one pipe cutter of
big dimension shall be provided on site.
CAUTION:
To prevent the invasion of water or waste, avoid placing the copper pipe directly on ground.
Chamfer
Burrs may occur on the cutting face of copper pipe and must be removed. Meanwhile, purge the
foreign articles out of the pipe and refinish the pipe end.]
● Use scraper or other tools to remove the burrs on inner side.
(To prevent copper scraps from falling into the pipe, please keep the pipe end downward during
operation).
● If the pipe end is obviously deformed, please cut and throw it off, and then refinish the pipe end.
● Eliminate the copper scraps thoroughly, and use cotton yarn to wipe the pipe clean.
※ The flared joint must be kept smooth.
※ When removing the burrs with scraper, do not remove too much, especially for the fitting pipe of
small diameter; otherwise the contact surface of the flared joint will be reduced. Do not cause any
scores, and avoid cracking after the flared joint is formed.
※ Adverse impact if the burrs are removed too much with scraper:
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DC INVERTER MULTI VRF
INSTALLATION
Too much eliminated
The contact face
becomes small
Flared nut
5)Pipe bending
◆ Work Methods:
Bend by hand ………………………..Suitable to fine copper pipe (φ6.35mm-φ12.7mm).
Machining with spring pipe bender …….. Bend by inserting the spring into copper pipe or
sheathing onto the copper pipe (φ6.35mm-φ22.2mm).
Machining with hand-operated pipe bender……Use the pipe bender of suitable dimension
(φ6.35mm-φ22.2mm).
Machining with electric pipe bender (hydraulic)……Suitable for mass machining of fine and coarse
fitting pipes (φ6.35mm-φ69.9mm).
Advantages
Decrease the weld joint, thus reduce the possibility of leakage and oxidization.
For example:
It can decrease the weld by 8 spots. Please act now to improve the quality.
※ No joint is required, which will save the material costs. Reduced waste of fitting pipe materials.
※ Reduced resistance in the fitting pipe. The bending radius higher than the pipe joint.
◆CAUTIONS
※ During bending, there shall be no wrinkling or deformation on the inner side of the copper pipe.
※Spring pipe bend
※ The bender inserted into the copper pipe must be cleaned.
※ Do not bend over 90º. (Otherwise, wrinkling may be formed on the inner side of copper pipe
and in the future, the copper pipe will be broken from this position.)
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INSTALLATION
Steel pipe
Jacketed bender
Inner side wrinkled
and deformed
Bent, with fissure
occurring on this side
Section
The copper pipe might be
deformed even if it is not bent
Correct section
Bend section
6)Flaring
The flaring refers to expansion of pipe opening. The copper pipe is inserted here to replace the
casing pipe. In this way, it is only needed to weld on one position where the pipe is expanded.
Welding
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INSTALLATION
Outer diameter of pipe D
Min. insert depth B
(mm)
(mm)
φ6.35
6
φ9.52, φ12.7
7
φ15.8
8
φ19.05, φ22.2, φ25.4
10
φ28.6, φ31.8
12
≥φ35
14
D
A
6.6 Installation of Refrigerant Piping
1)Precautions on piping works
At the site of transport, storage and construction, the two ends of copper pipes shall be sealed
with plastic sealing caps. Before welding, copper pipes must be cleaned (washing the inner side
of pipe with alcohol) to ensure no dust and no water in pipeline.
Nitrogen-filled welding shall be used for the welding of copper pipes. Nitrogen pressure shall be
0.05~0.3MPa. Nitrogen flow can be sensed by hand.
When multiple multi-connected units are installed, refrigerant piping must be marked to avoid
confusion between pipes of different units.
A two-way drier shall be mounted at the liquid pipe side at the place where an outdoor unit is
connected.
2)Assemble copper pipes
The copper pipe shall be vertically inserted to the specified length. The centerline of two
assemblies shall overlap. The position shall be determined for welding. To ensure correct
mounting size, do not determine the position with your hands, thus to prevent the copper pipe
from moving when heated.
See below for the welding size of copper pipe:
Clearance A-D
0.05~0.21
0.05~0.27
0.05~0.35
If the mounting clearance is too large, the diameter of coarse pipe may be reduced to an
appropriate value to according to applicable specifications.
3)Installation of branch pipe
The branch pipe plays the function to divert the refrigerant flow. Therefore, the selection and
installation of branch pipe is very important to the operation of multi-unit. Based on correct
selection of branch pipe, the branch pipe must be installed according to installation specifications.
Connection schematics for Y-type branch pipe
The connection of Y-type branch pipe is as shown below. The inlet is connected to outdoor unit or
previous branch; the outlet is connected to indoor unit or next branch.
To other manifold
pipe or indoor unit
Outlet 1
Site pipe
Inlet
Outlet 2
Outdoor Unit
Site pipe
Y-type Manifold
Pipe
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DC INVERTER MULTI VRF
INSTALLATION
Installation specifications for branch pipe
Placement of branch pipe
The branch pipe can only placed horizontally. Meanwhile, two branch pipes must be on the same
plane. The spacing between two branch pipes must be over 800mm, the spacing between two
bends must be over 800mm, and the spacing between branch pipe and bend point must also be
over 800mm.
Within 30°
Within 30°
A-A Schematics
B-B Schematics
Connection of branch pipe
The Y-type branch pipe is installed with additional tube. The purpose is to adjust the different pipe
diameters. If the pipe size selected on site is different from the size of branch connector, please
use the pipe cutter to cut from the middle of different connection pipes and remove the burrs.
Then, insert the copper pipe to appropriate depth. The branch pipes from Gree are all provided
with positioning mark.
Copper pipe
Branch pipe
Cut from the middle of copper
pipe as needed
The connection method that copper pipe is in couple with a smaller branch pipe shall not be used:
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DC INVERTER MULTI VRF
INSTALLATION
Copper pipe
Branch pipe
Correct connection
Wrong connection
Copper pipe shall not be inserted too much for connection with branch pipe:
Copper pipe
Branch pipe
Correct connection
Wrong connection
6.7 Welding of Copper Pipe
1)Braze welding
Materials for braze welding
There are two kinds of braze welding, soft braze welding and hard braze welding. Hard braze
welding is required in this case.
Selection of braze welding
Red copper + red copper:brazing filler metal is Bcu93P(GB 6418),and welding flux is not needed.
Flame flux: capable of preventing the surface of copper pipes from oxidation, recommended for
use
Temperature for braze welding:820-860℃ (copper pipe becomes light red)
2)Safety acknowledgement before operation
a. Roll calling of construction personnel and confirmation on their health status.
b. Acknowledgement on work suits(helmets, clothes, safety bags and safety shoes)
c. Description of work location and environment
d. Job division shall be made. Job content, method and order shall be indicated. Risk prediction
activities shall be performed.
e. “Construction Schedule” shall be worked out.
f. Head of each group shall be assigned.
g. Risks of occurrence of an accident such as electric shock or fire shall be indicated.
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DC INVERTER MULTI VRF
INSTALLATION
h. Instructions on how to use electric machinery properly shall be available.
i. Locations marked with “Staff Only” shall be indicated.
j. An application is necessary for use of open flame and shall be reviewed by on-site safety officer
for approval.
k. Instructions given by fire authorities shall be accepted in accordance with local laws and
regulations.
l. Tools shall be sorted and counted. Upon knocking off for the day, tools shall be sorted and
counted. If necessary, the piping system shall be charged with coolant to avoid exhaustion.
3)Attention
a. Construction personnel must have relevant operation qualification.
Flame operation must be undertaken by qualified persons in accordance with local laws and
regulations.
b. Wear coveralls (cotton for the best), safety shoes, safety helmet, leather gloves, protective
goggles and anti-dust mask.
Welding torch with back fire arrestor shall be used to ensure safety.
c. Take care not to be burned by flame and heating parts.
d. Gas cylinder shall be handled carefully to prevent leakage.
e. Combustible substances in the surrounding areas shall be moved away. If movement is
impossible, fire proofing treatment shall be taken properly, such as being covered by flame-proof
enclosure.
f. Good ventilation is necessary to avoid breathe in of harmful gas.
g. Appropriate measures shall be taken if there is a safety problem.
h. Operation on connectors of branch pipes as well as on the surrounding of pipe ends shall be
performed on the ground as possible, because heating is difficult to control at a high place and
welded part of a branch pipe is prone to be melted to cause leakage.
For example:
Weld the pipe approx. 1m before and
behind the reflared position, and wrap
with thernal insulation materials. Then,
ld
hi h
iti
Approx. 1m
Approx. 1m
i. To avoid the position difficult to weld, you may add a prefabricated assembly below.
Drainage pipe
Difficult to weld at
this position
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DC INVERTER MULTI VRF
INSTALLATION
4)Operation order
Basic procedures for welding:
Assemble copper
pipes
Cleaning
Check whether clearance
is proper.
Fill nitrogen N2
Nitrogen pressure 0.05-0.3Mpa 0.5±0.1kgf/cm2
Welding flux
Welding heating
Acknowledge
welding flux
Add welding flux
Cooling, continue to fill nitrogen
for over 10s
Shut off nitrogen
Make visual inspection to
the weld quality
a. Cleaning of portions for braze welding
Polishing……………………Removing metal materials at connection portion. (Removing oxidation
film using non-woven fabric, abrasive cloth or abrasive paper)
Ungrease……………………If any oil stain is existent, acetone or spirit solvent shall be used for
ungrease treatment.
At the same time, compressed air at 0.8MPa (gauge pressure) shall be used for cleaning. The
cleaning shall be repeated not less than 3 times, until there is no dirt discharged.
b. Check whether clearance between pipe and connector is proper.
Put the connector into the pipe and face downward. If the connector does not fall down depending
on friction force, the clearance is considered proper.
c. Nitrogen-filled protection
● Since vigorous oxidation would occur on the surface of copper pipe at braze welding
temperature, to effectively restrain the generation of oxide coating in copper pipe, nitrogen-filled
protection for copper pipe is necessary.
● After copper pipes are assembled, nitrogen shall be filled in copper pipe connectors.
● Method for charging nitrogen into copper pipe
Nitrogen charging method:
Pressure is 0.05~0.3MPa. Nitrogen flow of 4~6L/min (gas flow can be sensed by hand) shall be
guaranteed to charge in work pieces.
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After assembling, nitrogen begins to charge until welding is finished and will continue over
10s during cooling after welding.
※ Main points of nitrogen charge(See the drawing below)
◆ When nitrogen is charged, the press switch on the quick connector and inflator shall be
closed to let nitrogen totally filled in the pipe.
◆ Make sure nitrogen reaches all welding connectors in order to effectively discharge air.
◆ A vent port must be available when nitrogen charge is continuously performed, or otherwise
gas would escape from gap around connector, making welding stuffing difficult and prone to
pores.
Places requiring protection
充氮管
Nitrogen charge
pipe
Copper
pipe
铜管
氮气(N2)
Nitrogen N2
焊接需保护处
during welding
铜管
Copper
pipe
Vent port
出气口
d. Welding heating
Notes:
● Braze welding is flame hard braze welding. Relevant safety operating regulations must be
abided by.
● Confirm that nitrogen is flowing through before copper pipe is heated.
● Neutral flame or slightly reducing flame shall be used for red copper braze welding. Outer
flame is normally used. Copper pipe connectors shall be heated uniformly. Take care to
distribute heat in terms of dimension of pipe material. Generally, insert pipe shall be
preheated at first for close matching and then swayed along length of connector to make it
heated uniformly until braze welding temperature is approached; then copper pipe is heated
circularly to reach braze welding temperature (copper pipe becomes light red) and at the
same time brazing filler metal is added circularly to fill in the clearance around the connector
uniformly; and afterwards, the welding torch is slowly moved away from the pipe and a small
amount of brazing filler metal continues to be filled in until smooth fillet is formed.
● During heating, welding rod shall not be burned directly by flame. Heating time shall not be
very long.
● During welding, flame shall be controlled well on its direction and kept away from rubber
casing, sponge and cables.
e. Post-welding treatment(cooling)
● After welding, in the condition of nitrogen protection available, the connector shall be heated
until the copper pipe changes color (200-300℃), i.e. annealing treatment.
● Before welding seam becomes completely solidified, welded pieces shall not be moved or
shocked.
● For welded piece cooled by water, take care not to let water enter into copper pipe and try to
prevent residue water flowing into the pipe when welded piece is laid aside.
f. Quality and inspection of braze welding
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Welding seam should have smooth surface. Fiilet should be even and full with natural arc
transition. Braze welding connector should be free from defects such as over-burning, welding
blockage, crack, rough surface of welding seam and burning through. Welding seam should be
free from defects such as pore, slag inclusion, underfill, rosin joint and overlap.
Weld spot
5)Others
◆ When braze welding is to be performed underneath, a simple support shall be built, such as
two ladders.
◆Braze welding shall be easy to operate downward or in transverse direction. In upward
operation, brazing filler metal is prone to fall so that high skills are required.
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Solder
Solder
Weld torch
Weld torch
Transverse
Solder
Weld torch
Upward
Downward
◆Cooling
To avoid getting a burn in following processes, common wet cloth (humidity content is low,
meaning that there shall not be water drips when welded part is cooled; and because shrinkage
factor of copper is different from that of welding material, too quick cooling that would cause
cracking of braze welding shall be avoided) can be used for cooling welded parts.
◆The following items shall be checked after welding is completed
● Is there any pore or hole on welded part?
● Is there evident “sagging of brazing filler metal”?
6.8 Cleaning of Refrigerant Piping
After a section of pipeline is welded, cleaning of piping is necessary.
Nitrogen pressure is utilized to remove foreign matters (such as dust, water and beryllium oxide
caused by welding) in the piping.
1)Main purposes of cleaning are as follows:
To eliminate oxide caused by insufficiency of nitrogen-filled protection during pipe welding.
To remove foreign substances and water that may enter the piping due to improper storage and
transport.
To check whether big leakage is existent at connections of the piping between indoor unit and
outdoor unit
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2)Cleaning steps:
a. Mount a pressure gauge on nitrogen cylinder;
Nitrogen bottle
Indoor unit A outdoor unit B
Outdoor side
Liquid pipe
Air pipe
The opening of the pipe not to be purged
shall be blocked with blind plug.
b. High pressure end of the pressure gauge is connected to the refrigerant filling nozzle of the
small pipe (liquid pipe)
c. All copper pipe ports outside the A side of indoor unit shall be blocked by blanking plugs.
Copper pipe
Blanking plug
Block with insulation materials
Copper pipe ports not to be
cleaned shall be blocked by
blanking plugs
Quick release
Cleaning process
d. The valve on nitrogen cylinder shall be opened to maintain pressure at 28Kgf/ cm2
e. Check whether nitrogen flows through the liquid pipe of indoor unit A
f. Cleaning
The mouth of the pipe shall be blocked with insulation material held by hand until pressure rises to
a level difficult to be withstood, and at the moment the insulation material shall be released quickly.
And then the mouth shall be blocked again. Repeat such procedures several times. Afterwards,
use a wood board posted with white paper to check it. If there is not evident dirt on the white paper,
the pipe will be considered clean.
g. Shut off the main valve of nitrogen
h. Repeat the above procedures on indoor unit B
i. After cleaning of liquid pipe, gas pipe shall be cleaned in the same way.
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6.9 Pressure Maintaining and Leak Hunting
1)Pressure maintaining of refrigerant piping
After refrigerant piping of a system is welded
A refrigerant filling nozzle shall be welded respectively on the big pipe and on the small pipe on the
outdoor unit side.
Pipes connected to the end of indoor unit and outdoor unit shall be clamped to be flat and welded
to be sealed.
Steps of pressure maintaining and leak hunting of refrigerant piping are as follows:
Operating Steps:
Complete the
installation of
piping
Pressurization
Check
pressure drop
Finish
Locate and repair
leakage
◆ Pressurization
Use nitrogen to add pressure from Freon nozzle of the gas and liquid pipe on outdoor unit side:
Step 1: Increase the pressure to 0.5MPa and wait for 5 minutes or longer
Step 2: Increase the pressure to 1.5MPa and wait for 5 minutes or longer
The step 1 and 2 are focused on checking the significant leakage point. If any, reweld immediately
or repair the leakage point.
Step 3: Increase the pressure to 4.15MPa and keep it for approx. 24 hours to check the small
leakage.
Though the pressure is increased to 4.15MPa, it cannot be guaranteed to find out the small
leakage if the waiting time is too short. Therefore, the pressure in Step 3 must be kept for 24
hours.
Note: During pressure maintaining after nitrogen is filled, the pressure gauge shall not be
dismantled, because activities of dismantling or mounting pressure gauge would affect pressure
change.
◆Check pressure drop
Criteria for Inspection eligibility:
※ Except for temperature influences (pressure changes about 0.01MPa for temperature change
of 1℃), if pressure drop is not more than 0.02MPa within 24h, the system will be eligible. For
example, nitrogen is filled to reach 2.5MPa at 30℃; after 24 hours, when temperature becomes
25℃, the system will be eligible if pressure is over 2.43 MPa and ineligible below 2.43 MPa.
※ If ineligible, leak sources must be located. After leak sources are found, re-welding or repair
welding is necessary. Then, the above procedures shall be repeated. Nitrogen is filled,
pressurized and maintained until pressure drop remains within required range.
◆Leak check
[Check 1] When pressure drop is found, leak hunting shall be performed in the ways as follows:
a. By ears…….to listen voices related to leakage
b. By hands……to sense whether leakage is existent at connecting parts
[Check 2] If no leakage is found using the above methods, nitrogen shall be discharged and
refrigerant shall be filled in to reach 0.5MPa.
a. By soap and water……soap bubbles will show leakage positions if any.
b. Detector (such as halide detector) can be used for leak hunting
Using the above methods, check all possible leak sources.
If leakage still fails to be located, sectional check shall be taken for refrigerant piping that would be
divided into multiple check portions for locating leak source in a certain section.
2 ) Pressure maintaining and leak hunting of the system ( with refrigerant piping in
connection with indoor unit and outdoor unit)
When refrigerant piping is to be installed, pressure maintaining and leak hunting is required for the
piping. After refrigerant piping is in connection with indoor unit and outdoor unit, pressure
maintaining and leak hunting is also required. The purpose of the test is to check whether any leak
is existent at threaded connection of indoor unit and outdoor unit and at new welded points.
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Steps:
◆Nitrogen is charged to reach 4.15MPa and remains at the pressure for 24h (nitrogen shall be
filled from refrigerant filling nozzles at the big valve as well as the small valve using a pressure
gauge; during pressure maintaining after nitrogen is charged, the pressure gauge shall not be
dismantled.)
◆ 2Observe whether pressure changes in 24 hours. (for eligibility criteria, see pressure
maintaining and leak hunting of refrigerant piping in 5.5.2)
◆If any leakage, please check threaded connections and new welded spots of indoor unit and
outdoor unit. Repair welding shall be performed immediately. Afterwards, pressure maintaining is
repeated until eligibility is reached.
2)Cautions:
a. The range of pressure gauge for R410A system test shall be over 4.5Mpa;
b. At the same time, record the readings on pressure gauge, ambient temperature and test time;
c. Pressure correction: The pressure will change by 0.01Mpa with temperature changing by every 1℃;
d. It is only acceptable when the pressure is kept unchanged;
e. To keep the pressure for a long time, the pressure shall be decreased to 0.5MPa or lower. High pressure of a
long time might cause leakage at the weld and result in safety risk.
f. Before completing the airtight test of refrigerant pipe, never carry out thermal insulation or wrapping work at the
weld and flared connection of indoor unit. The pressure shall be simultaneously applied from the pipes on outdoor
side. Never apply pressure from a single side;
Apply pressure
simultaneously from gas
pipe and liquid pipe
1.4 Caution: Before completing the airtight test of refrigerant pipe, never carry out thermal insulation or wrapping
work at any weld.
6.10 Heat Preservation of Refrigerant Piping
1) Connection of thermal insulation pipe
Carry out thermal insulation to the refrigerant pipe after confirming that it has no leakage.
Please perform thermal insulation to the refrigerant pipe according to the steps below
◆Check if the thermal insulation pipe has met the thickness requirements. If not, the condensing
water is easy to attach on thermal insulation pipe and finally drips. The thickness requirements are
shown below:
Refrigerant Pipe (mm) (Outer Dia. x Thickness)
Thickness of Thermal Insulation
Materials (mm)
Φ6.35×0.5
≥10
Φ9.52×0.71
≥10
Φ12.7×1
≥15
Φ15.9×1
≥15
Φ19.05×1
≥15
Φ22.2×1.5
≥20
Φ25.4×1.5
≥20
Φ28.6×1.5
≥20
Φ34.9×1.5
≥20
◆Wrap the refrigerant pipe according to required thickness. The clearance between thermal
insulation pipes shall be sealed with self-adhesive sticker.
◆Wrap the thermal insulation pipes with tapes, thus to extend their ageing time.
2)Cautions:
The thermal insulation materials shall be able to withstand the pipe temperature. For heat pump
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unit, it is required to withstand a temperature not lower than 70℃ on liquid pipe side and not lower
than 120℃ on gas pipe side. For cooling-only unit, it is required to withstand a temperature not
lower than 70℃ on both liquid pipe side and gas pipe side.
Example: Heat resistant PVC foam (over 120℃); Foam PVC (over 100℃)
The connector between indoor unit and outdoor unit shall be wrapped with thermal insulation
materials, and shall have no clearance to the wall on which the outdoor unit is mounted, as shown
below.
No clearance
When wrapping the thermal insulation tape, each circle shall suppress half of the previous circle.
To avoid reducing the thermal isolation effect, do not wrap the tapes too tight.
After completing the protection work and wrapping the pipes, use the sealing materials to block the
holes in the wall.
6.11 Vacuum Pumping
1) Purposes of vacuum pumping
Discharge air and nitrogen in the piping to obtain vacuum state.
Vacuum is dry, capable to remove moisture in the system.
Under atmospheric pressure, the boiling point of water is 100℃. But with increased vacuum
degree created by vacuum pump, the boiling point rapidly reduces. If boiling point reduces below
ambient temperature, moisture in piping will be evaporated. If vacuum is 0Kgf/cm2of absolute
pressure (gauge pressure is -1Kgf/cm2), moisture in the system can be evaporated totally
2)Selection of vacuum pump
Proper vacuum pumps must be selected before vacuum pumping. Insufficient capacity of selected
vacuum pump would lead to overtime of vacuum pumping and fall short of the requirement for
vacuum degree. A proper vacuum pump can obtain vacuum degree of 0Kgf/cm2 (gauge pressure
-1 Kgf/cm2) after vacuum pumping
Features of a vacuum pump shall be determined by two factors as follows:
Selection of a pump that can meet expected requirement (i.e. gauge pressure of -0.1MPa shall be
obtained)
Exhaust flow is high (over 40L/min)
The following vacuum pumps are recommended.
Model
Lubricant shaft
pump
Non-lubricant shaft
pump
Use
Maximum vacuum air
displacement
Air discharge
Vacuum drying
100L/min
Suitable
Suitable
50L/min
Suitable
Suitable
Comparison table of different pressure units is as follows:
Unit
Standard air
pressure
0
Vacuum degree
Relative pressure
kg/cm2
Absolute pressure
2
kg/cm
1.033
0
mm Hg
mmHg
0
-755
-1.033
3)Vacuum pumping
The steps are as follows:
a. Expel the nitrogen after leakage detection;
Connect the pressure gauge to Freon nozzle on outdoor liquid valve and gas valve, and connect a
vacuum pump. Then, establish vacuum simultaneously from high pressure side and low pressure
side.
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Pressure gauge connector valve
Connector on gas side
Vacuum pump
Connector on liquid side
Start the vacuum pump and turn on “LO” and “HI” knobs
b. Continue for 0.5~1.0 hour after the vacuum level reaches -0.1MPa (gauge pressure -1kgf/cm2).
Then, close the “VH” knob on high pressure end and “VL” knob on low pressure end to stop the
vacuum pump.
c. Remove the hose connected to vacuum pump and reconnect it to the refrigerant tank. Expel the
air in the hose. Open the “VL” knob on low pressure end to charge refrigerant to the system piping.
When the pressure reaches 0.0kgf/ cm2, close the “VL” knob on low pressure end.
d.Remove the hose connected to refrigerant tank and reconnect it to vacuum pump. Start the
vacuum pump and open the “VH” knob on high pressure end. Pump for 30 minutes from high
pressure end and then open the “VL” knob to pump from low pressure end, until the vacuum level
reaches -0.1MPa (gauge pressure -1kgf/cm2).
If the vacuum level reaches -0.1MPa (gauge pressure) or lower, the vacuuming process is then
ended. Stop the vacuum pump and place still for 1 hour. Then, check the vacuum level for any
change. n case of any change, it indicates that there is leakage. In this case, proceed to leakage
detection and repair.
e. Complete the vacuuming according to above procedures and then proceed to charging of
additional refrigerant
6.12 Refrigerant Charge
1)Calculation method for refrigerant charging
Refrigerant shall be charged according to calculated amount specified in engineering drawings.
Method for calculation of added refrigerant volume (based on liquid pipe)
Mass of refrigerant to be charged =∑ length of liquid pipe × refrigerant charge amount of every
meter of liquid pipe.
Medium
Amount of refrigerant charge for every meter of liquid pipe(kg/m)
Φ22.2
Φ19.05
Φ15.9
Φ12.7
Φ9.52
Φ6.35
R22
0.41
0.29
0.187
0.12
0.06
0.03
R410a
0.35
0.25
0.17
0.11
0.054
0.022
Note: a. Standard pipe length is 15m. If refrigerant piping (L) is shorter than or equal to 15m, no
additional refrigerant is needed. If piping is longer than 15m (based on liquid pipe), more
refrigerant shall be added. The above table shows how much refrigerant shall be charged for
every one additional meter of piping.
b. Electronic balance shall be used for refrigerant charge
c. Thickness of pipe wall shall be 0.5~1.0mm and pressure-bearing capability shall be 3.0MPa
d. The longer the piping, the more refrigerating capacity and heating capacity shall be weakened.
2)Steps of refrigerant charge are as follows:
a. The connecting hose of refrigerant cylinder shall be connected to the connector of the pressure
gauge. The valve VH shall be opened to discharge air in the hose. Then, the high pressure end of
the pressure gauge shall be connected to the refrigerant filling nozzle on the small valve of outdoor
unit.
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Pressure gauge connector valve
Connector on gas side
Gas liquid
Refrigerant cylinder
Connector on liquid side
Spring balance
b. Open pressure gauge valve VH, then fill liquid state refrigerant into the liquid pipe side until
required amount is reached.
If refrigerant can not be charged in system unless the unit is turned on, let the system run at
full-load cooling mode. Open VH and discharge air in the hose. The high pressure end of pressure
gauge is connected to the refrigerant filling nozzle on the small valve of outdoor unit. Open VL and
charge gas state refrigerant into the gas pipe until required charging amount is reached.
c.Observe electronic balance or spring balance. When required amount is reached, the valve shall
be closed very quickly and then source valve on the refrigerant valve shall be shut off.
d. The amount of charging refrigerant shall be recorded.
Refrigerant charge shall be recorded as per the following table.
Amount of charging refrigerant(Kg)
Unit Mark
Unit 1
Unit 2
………
Unit n
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7 INSTALLATION OF ELECTRONIC EXPANSION VALVE ASSY
7.1 Direction Requirements
To ensure normal operation of the unit, please connect the electronic expansion valve
sub-assembly as shown below.
Ensure that the vertical arrow labeled on electronic expansion valve sub-assembly is pointed
upward.
To Indoor
Unit
To Outdoor
Unit
Vertically
upward
Verticall
y
To Indoor
Unit
√Arrow Upward
To Outdoor
Unit
X Arrow Downward
(1) Firstly, fix the electronic expansion valve sub-assembly properly. Several operating
methods are available:
Fix with screws
To Indoor
Unit
To Outdoor
To Indoor
Unit Vertically Unit
upward
Suspend by using screw rod
To Outdoor
Unit
Vertically
upward
②Use screws to fix onto wall
Overhung
To Outdoor
To Indoor
Unit
Unit
Vertically
upward
To Outdoor
To Indoor
Unit
Unit
Vertically
upward
③Directly place on ceiling plane
Caution: Never place overhung in air.
The indoor unit shall be firstly connected to a section of pipe (connected by nut). Then, connect
the
pipe
to
the
electronic
expansion
valve
sub-assembly
(by
welding).
Welding
Welding
To Outdoor
To Indoor
Unit
Unit
Vertically
upward
Pipe length: L>1m, but <1.5m
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WARNING: The length of connection pipe must be 1m≤L≤1. 5m. The electronic
expansion valve sub-assembly must be connected to the indoor and outdoor unit in a
direction as marked. If connected in reverse direction, severe error will be caused to the
unit.
(2) Pipe connection: Tighten the nuts with your hands correctly. Then, use another spanner to
hold the pipe joint on machine side and use torque wrench to tighten securely.
Hold the spanner
Pipe on indoor unit side
Rotate the spanner
(3) Cable connection of electronic expansion valve sub-assembly
① To avoid loosening and sagging down, please use strap (small) to fix the cable of electronic
expansion valve sub-assembly onto the pipe or other objects.
② When connecting the cable of electronic expansion valve sub-assembly, please take care to
prevent the cable from contact with the hot or humid objects.
Connect the mainboard Fix with strap
of indoor unit
To Indoor
To Outdoor
Unit
Unit
Vertically
upward
(4) Final treatment: The section where the pipe is connected must be wrapped for thermal
insulation.
WARNING!
Please ensure the pipe is fully covered by sponge and not exposed in air. Condensing
water will be generated on the pipe if the thermal insulation is poor.
Thermal insulation sponge
Indoor unit
To Outdoor
To Indoor
Unit
Unit
Vertically
upward
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INSTALLATION
8 INSTALLATION OF CONDENSATE PIPE
8.1 Material quality requirements
Generally, the condensate pipe shall be water supply U-PVC pipe, adhered by using special glue.
The other materials available include: PP-R pipe, PP-C pipe and hot-dipped galvanized steel pipe.
It is not allowed to use aluminum plastic composite pipe.
8.2 Key points for installation
1).Work Order
Installation of
indoor unit
Sheathing of
thermal insulation
pipe on
condensate pipe
Connection of
drainage pipe
Thermal insulation of
drainage pipe
Water test
2). Determine the direction and elevation of condensate pipe before installation. To ensure the
gradient smooth and straight, avoid intersecting with other pipelines. The height of the
clamp fixing the pipe hanger frame shall be adjustable and fixed from the outer of thermal
insulation.
3).Distance between hanger frames:
Outer diameter of water
pipe (mm)
ф≤25
32>ф≥25
ф≥32
800
1000
1500
Spacing between
horizontal pipes (mm)
Spacing between
standpipes (mm)
1500
2000
Each standpipe shall have two hanger frames at least.
4). The gradient of condensate pipe shall be over 1% and the gradient of main pipe shall not
be less than 0.3%, while there shall be no overhanging slope.
Over 1/100
5). When connecting the 3-way section of condensate pipe, the 2-way straight section on 3-way
pipe shall be on the same gradient. The two ends of 2-way section shall not have different
gradient. See the schematics below:
错误的接法
Wrong connection
正确的接法
Correct
connection
6). Confluence toward the horizontal pipe shall be best from the upper. Back flow is easy to
occur if from the lengthwise direction.
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Indoor Unit
Mounting of horizontal pipe
Main pipe
Main pipe
Main pipe
7)Do not tie the condensate pipe and refrigerant pipe together.
8) To ensure smooth drainage of condensate, a vent hole shall be set at the highest point of
drainage hose
.
9) Carry out water flow test and full water test after the pipe connection is completed. On one
hand, check if the drainage is smooth; on another hand, check the piping system for any
leakage.
10) Steel sheath shall be provided to the pipe crossing the wall or slab. The pipe joint shall not
be positioned within the sheath. The steel sheath shall be flush with the wall surface or slab
base, but 20mm higher than the slab base. The sheath shall not affect the pipe gradient.
The clearance between pipe and sheath shall be blocked by using flexible inflammable
materials. The sheath shall not be used as the supporting point of the pipe.
11) The joint of thermal insulation materials must be adhered by using special glue and then
wrapped with plastic tape having a width not less than 5cm to avoid condensing.
12). Ensure a gradient over 1% when connecting the drainage hose
to the indoor unit.
Gradient over 1/100
13) When connecting the drainage hose
to the indoor unit, please fix with the included pipe
clamp and do not use glue water, thus to ensure easy repair.
14) Installation requirements for auxiliary drainage hose
Pipe clamp
Unit drainage pipe
Drainage PVC pipe
Drainage hose
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DC INVERTER MULTI VRF
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The auxiliary drainage hose
must be thermally insulated
冷凝水管
Thermal
insulation of
condensate
pipe
保温层
Pipe
管盖cover
15) The long drainage hose
may be fixed by using hanger bolts, thus to ensure a gradient
of 1/100 (PVC cannot be bent).
The spacing between the supports of horizontal pipe is 0.8-1.0m. Twisting will be caused and
thus air bag will be formed if the spacing is too high. Once the air bag is formed, the pump can
only compress the air bag no matter how forcible it pushes, but there is no flowing water, thus
resulting in abnormal water level. This will cause flooding of the ceiling.
16). If the air flow of indoor unit is high, this might cause negative pressure and result in return
suction of outdoor air. Therefore, U-type water trap shall be designed on the drainage
side of each indoor unit.
Indoor unit.
‹
‹
‹
Install water trap as shown below
Install one water trap for each unit
Installation of water trap shall consider easy cleaning in the future.
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Joint
Indoor unit.
Indoor unit.
Joint
17) Connection of drainage branch pipe to the standpipe or horizontal pipe of drainage main
pipe
The horizontal pipe cannot be connected to the vertical pipe at a same height. It can be
connected in a manner as shown below:
N01:3-way connection of drainage hose
joint
3-way connection of
drainage pipe joint
NO2: Connection of drain elbow
Connection of drain
elbow
NO3: Connection of horizontal pipe
Connection of
horizontal pipe
Drainage hose is requisite for air conditioner unit. During cooling, the moisture in the air will
condense on the surface of evaporator. Such condensing water must be drained out of the unit.
Meanwhile, the drainage hose has an important role to determine if the air conditioner can plays
its full functions.
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18). All the condensate pipes must be installed at a distance over 500mm from the electric
box of the unit.
8.3 Installation of drainage hose for different types of indoor unit
1) Duct-type Indoor Unit (Including General Static Pressure and Low Static Pressure)
a. Installation of drainage hose
¾ The diameter of drainage hose
shall be equal to or higher than the diameter of
connection pipe. (PVC pipe: Dimension: Outer diameter 25mm, 32mm)
¾ The drainage hose
shall be short and has a down gradient of 1/100 at least, thus to
avoid air bag.
¾ To ensure that the drainage hose will not be bent and has enough gradient, a distance of
1 ~ 1.5m shall be kept between the hanger frames.
Gradient over 1/100
¾
Use drainage hose
and clamp.
Insert the drainage hose to the root. From the middle of white tape, tighten the clamp until the
tightening distance to the screw head is shorter than 4mm.
A. For thermal isolation, use sealing tape to wrap the drainage hose
and clamp.
B. The indoor drainage hose shall be thermally insulated.
Big sponge (accessory)
Clamp
Sponge (grey)
Clamp (accessory)
Drainage hose
Below 4mm
C. To prevent foreign articles from entering the pipe, please minimize the bend of pipeline, thus
to ensure cleanliness of the drainage elbow.
D. The drainage hose
must be wrapped with thermal insulation tube, thus to avoid
condensing on the outer surface of drainage hose
. See below for the thickness of thermal
insulation tube.
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Thermal insulation of
condensate pipe
Pipe cover
Drainage hose
(mm)( Outer Dia)
Thickness of Thermal Insulation Materials
(mm)
Φ17
≥15
Φ27
≥20
≥34.9
≥20
※ Notes:
E. The inclination of drainage hose① shall be within 75mm, so that the drainage insert will
not bear excessive force.
F. To connect the drainage hose
s for multiple machines, please use the method of
multi-pipe collection, as shown below.
T-joint collecting
drainage pipe
Over 100mm
Fig. The specification of collecting drainage hose
shall be suitable to the working capacity of
the unit
We may collect the drainage hose
s of all the indoor units in one system (An outdoor unit
and all the indoor units connected to this outdoor unit are called one system), or collect the
drainage hose
s of all the indoor units in several systems.
Notes: The ceiling height must be considered, and a specific gradient shall be ensured along
the water flow direction.
2)Cassette Type (Including 4-way and 1-way)
a. Installation of drainage hose
¾ The drainage hose shall be installed to ensure smooth flow of water.
¾ The diameter of drainage hose shall be equal to or higher than the diameter of connection
pipe (PVC pipe) (exclusive of the rise section).
¾ The drainage hose shall be short and has a down gradient of 1/100 at least, thus to avoid air
bag
¾ If the inclination of the drainage hose is insufficient, drainage rise pipe shall be mounted.
¾ The installing height of drainage rise pipe shall be less than 280mm.
¾ The drainage rise pipe shall be in right angle to the unit and the distance to the unit shall not
exceed 300mm.
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DC INVERTER MULTI VRF
INSTALLATION
Roof
Hanger seat
Within 300mm
Drainage rise
pipe
Clamp (accessory)
Ceiling
¾
Below 500mm
Below 280mm
Drainage hose
(accessory)
The inclination of included drainage hose shall be within 75mm, so that the drainage insert
will not bear excessive force.
¾
To prevent the drainage hose from dropping downward, hanger rods shall be erected every
1.0~1.5m.
Hanger rod
Gradient over 1/100
Correct
¾
¾
¾
Below 500mm
Below 75mm
Drainage hose
(accessory)
Incorrect
Use the included drainage hose and clamp. Insert the drainage hose to the drainage port and
tighten the clamp.
For thermal insulation, wrap the big sponge to the drainage hose clamp.
The indoor drainage hose shall be thermally insulated.
Big sponge (accessory)
Clamp
Sponge (grey)
¾
Clamp (accessory)
Drainage hose
Below 4mm
To connect the drainage hoses for multiple machines, please use the method of multi-pipe
collection, as shown below.
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DC INVERTER MULTI VRF
Over 100mm
INSTALLATION
Introduce water here
for water test
T-joint collecting
drainage pipe
Fig. The specification of collecting drainage hose shall be suitable to the working capacity of the
unit
We may collect the drainage hoses of all the indoor units in one system (An outdoor unit and
all the indoor units connected to this outdoor unit are called one system), or collect the drainage
hoses of all the indoor units in several systems.
The ceiling height must be considered, and a specific gradient shall be ensured along the
water flow direction. The cassette-type indoor unit is provided with water pump, and the maximum
lift of its drainage hose is 280mm.
¾ During installation, please take care that:
The diameter of drainage hose connected to the indoor unit must meet the specifications. The
pipe diameter shall not be too small; otherwise the water may overflow.
The main drainage hose depends on the number of indoor units. Generally, it is required to be
equal to or higher than ф35mm.
The drainage hose shall be thermally insulated. The thickness of thermal insulation pipe must
meet the requirements. The clearance between thermal insulation pipes shall be sealed with
adhesive sticker.
Please discharge the water to the ground drain, water closet or any other place easy to drain the
water out.
b) After installation, check if the drainage is smooth.
3) Wall-mounted Type
Assemble the drainage hose as shown below and take measures to prevent condensing.
Improper assembly of the drainage hose may cause leakage, or even expose the furniture to
moisture.
a) Assembly of drainage hose
¾ To avoid air in water elbow, the drainage hose shall be kept as short as possible and inclined
downward, as shown below.
¾ During connection, please use PVC pipe of equal size higher than this size (Nominal Dia,:
20mm; Outer Dia.: 26mm)
¾ The drainage hose must be arranged in down inclination along water flow direction, thus to
avoid air bubble blocking. Take care not to arrange the pipe in twisting, protrusion or
waveform. Do not put the outlet of drainage hose
into water.
Protrusion
Twisting
Do not immerse in water.
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DC INVERTER MULTI VRF
¾
INSTALLATION
The extended section of drainage hose shall be wrapped with thermal insulation sheath when
passing the room.
Thermal insulation of
condensate pipe
Pipe cover
Fig.3.41
¾
After installation of the drainage hose, be sure to make water test and check if the water can
be drained smoothly.
Drainage hose
Drainage hose
b. After piping work, check if the draining flow is smooth.
8.4 Test for Condensate Pipe
The water test for condensate pipe includes closed water test and drainage test. The closed
water test is focused on checking if the drainage hose system is well sealed and if there is any
leakage. The drainage test is focused on checking if the drainage hose
system can drain
water smoothly and thoroughly and ensuring that there is no water deposit (except the specially
designed water trap).
After connection of the drainage hose is completed, firstly carry out closed water test. Seal
the outlet of drainage hose with adhesive tape or plug. Then, fill water into the drainage hose
system form indoor unit side. Stop filling after ensuring that all the drainage hoses are filled with
water. After 24 hours, check all the joints of water pipe for any leakage. If any, repair and reinstall.
If no leakage, proceed to drainage test.
Remove the adhesive tape or plug from the drainage hose. Check the water tray and drainage
hose
of indoor unit if the drainage is thorough and if there is any water deposit. If any, readjust
it. If not, complete the water test and proceed to the thermal insulation on all pipe joints.
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DC INVERTER MULTI VRF
INSTALLATION
8.5 Requirements of Heat Insulation
¾ Heat Insulation Materials
The thermal insulation material of obturator foam shall be used. Fireproof level: B1.
The thermal conductivity shall not be higher than 0.035w/ (m·k) when the average
temperature is 0℃.
¾ Thickness of thermal insulation layer
The thickness of thermal insulation layer on condensate pipe shall be over 10mm.
¾ The joint of thermal insulation materials must be adhered by using special glue and then
wrapped with plastic tape having a width not less than 5cm to avoid condensing.
¾ Thermal insulation is not required for the outdoor section of condensate pipe.
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INSTALLATION
9 ELECTRICAL INSTALLATION
9.1 Precautions for Electrical Installation
☆ Carry out installation according to national cabling rules.
☆ Rated supply voltage and special circuit for air conditioner must be used.
☆ Do not pull the power cables with force.
☆ All the electric installations must be carried out by specialist technicians in accordance with the
local laws, rules and these instructions.
☆ The diameter of power cords must be large enough. The damaged power cords and connection
wires must be replaced with special cords.
The earthing shall be secure. The earthing wire shall be connected to the special earthing device
on the construction. The installation must be done by specialist technicians. The air switch shall
have both the magnetic tripping and thermal tripping functions to ensure protection against the
short circuit and overload.
●Earthing Requirements
☆ The air conditioner belongs to Category I Electric Appliance. Therefore, be sure to take reliable
earthing measures.
☆The yellow-green wire inside the air conditioner is used for earthing. Do not use it for other
purposes or cut it. Do not fix with tapping screw. Otherwise, it will cause the risk of electric shock.
☆The earthing resistance shall comply with the national standard GB17790
☆Reliable earthing terminal must be provided on the user’s power supply. Never connect the
earthing wire to the following places:
①Water pipe; ②Gas pipe; ③Sewage pipe;
④Other places that the specialist technicians think unreliable.
9.2 Specifications of power cord & circuit breaker
Model
Power supply
(V,Ph,Hz)
Capability of
circuit breaker
(A)
Min. sectional
area of earth
lead
(mm2)
Min. sectional
area of power
cord
(mm2)
GMV(L)-Pd100W/NaB-K
220~240V 50 Hz
32
6.0
6.0
GMV(L)-Pd120W/NaB-K
220~240V 50 Hz
32
6.0
6.0
GMV(L)-Pd140W/NaB-K
220~240V 50 Hz
40
10.0
10.0
GMV(L)-Pd160W/NaB-K
220~240V 50 Hz
40
10.0
10.0
Note:The specification of power cord mentioned hereby is defined as the required specification
when wiring with BV single core cable (2 ~ 4 pieces) under the cover of PVC pipe, and ambient
temperature shall be at 40℃; Air switch shall be selected according to 40℃ temperature condition,
and shall in “D” type. if the installation condition on site changed, please consider the modification
on the required specification of Power cord and Air switch, according to the specification manual
provided by manufacture.
9.3 Wiring Sketch Map
9.3.1 Connection of power cord and communication line
The indoor unit and outdoor unit shall be powered separately.
Connection Schematics for Indoor / Outdoor Power Cords and Communication Line (3-phase)
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DC INVERTER MULTI VRF
INSTALLATION
Connection Schematics for Indoor / Outdoor Power Cords and Communication Line
9.4 Dial-up
Gree DC Multi VRF unit is provided with three dial-up, i.e. function dial-up, address dial-up and
capacity dial-up. ou may adjust the function dial-up to set the control, mode and functions of the
unit; adjust the address dial-up to set the matching relation between indoor unit and wired
controller; and adjust the capacity dial-up to set the capacity demands of the indoor unit.
9.4.1 Function Dial-up
CAUTIONS! The S7 function dial-up is located on the mainboard of indoor unit. It can be
operated only when the client needs to change the default function settings; otherwise the default
position shall be maintained.
Functional dial switch S7
DIP
swicth
Functional Description:
1(S/R)
Setting of memory
mode
2(L/I)
Setting of control mode
3(M/S)
4(I/O)
5(L/H)
Setting of master / slave
indoor unit
Setting of ambient
temperature acquisition
point
Setting of high / low
static pressure fan
Dial-up Setting
0 (ON Position)
1
Standby (S)
Restore (R)
Wired control
(L)
Master indoor
unit (M)
Remote
control (I)
Slave indoor
unit (S)
Return air inlet
(I)
Receiver (O)
Low static
pressure (L)
High static(H)
Functional description of function dial-up:
DIP swicth 1 (S/R): Setting of memory mode, including the standby mode and restoration mode.
The standby mode refers to that the previous parameters will be kept but the
unit will not run automatically after the power supply is resumed. This setting is
factory defaulted (DIP swicth pulled to “ON” position). For example, if the
parameters of an indoor unit set before power shutdown are High Fan and 24℃,
the unit will be under standby state after the power supply is resumed and after
the unit is manually started, the parameters will remain as High Fan and 24℃.
The restoration mode refers to that not only the previous parameters will be kept,
but also that the unit can start automatically after the power supply is resumed.
But if the unit is under STOP state before power shutdown, it will be also under
STOP state after the power supply is resumed.
DIP swicth 2 (L/I): Setting of control mode, including wired control and remote control. The wired
control mode refers to that the indoor unit is controlled from wired controller
(wired controller). This setting is factory defaulted (DIP swicth pulled to “ON”
position). When the setting is wired control mode, the function dial-up on S7 for
“setting of memory mode” and “setting of master / slave indoor unit” will be
disabled. These two settings can be done from the wired controller directly. The
remote control mode refers to that the indoor unit is controlled from remote
controller. When the setting is remote control mode, its function dial-up must be
set on S7.
DIP swicth 3 (M/S): The setting of master / slave indoor unit refers to the master / slave setting of
indoor run mode, mainly used to meet the needs of special people on priority
(e.g. leader, patients, etc). The factory default setting is that all indoor units are
master (DIP swicth pulled to “ON” position).
When all the indoor units are set as slave, the outdoor unit will run according to
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DC INVERTER MULTI VRF
INSTALLATION
the mode of slave indoor unit that is firstly started. If the mode of slave indoor
unit started later has in conflict against the mode started earlier, the system will
display mode conflict error, so that the indoor unit started later cannot work. In
this case, the run mode of the unit is decided by the slave indoor unit that is
firstly started.
When only one indoor unit is set as master, no matter if the master indoor unit is
firstly started or not, the slave indoor unit will give out mode conflict error as long
as its mode is in conflict against the mode of master indoor unit (except that the
master indoor unit is stopped). In this case, the unit run according to the mode
of master indoor unit on priority.
When several indoor units are set as master, the mode of master indoor unit
with a lower address code will be taken as the master run mode of the unit.
when the master indoor unit with the lowest address code is changed from
STOP state to RUN state, the mode of other master indoor units or slave indoor
units shall be kept identical to its mode; otherwise the system will give out mode
conflict error. Therefore, when there are several master indoor units, the
address code of the unit shall be set from lower to higher according to priority
level.
DIP swicth 4 (I/O): Setting of ambient temperature acquisition point. This setting is mainly used
when the temperature of air conditioner area differs largely from the return air
inlet temperature of the unit. Meanwhile, this setting is only valid when the
receiver is connected, including the setting of temperature acquisition point at
return air inlet and setting of the temperature acquisition point at receiver head.
The factory default setting is acquisition of return air inlet temperature (DIP
swicth pulled to “ON” position).
DIP swicth 5 (L/H): Setting of high / low static pressure fan. This setting includes the setting of high
static pressure fan and low static pressure fan, adjusted as needed for the
project. The factory default setting is low static pressure fan (DIP swicth pulled
to “ON” position).
Cautions:
1)The above settings must be done under power shutdown state.
2)The DIP swicth of function code is classified into 3-bit code, 4-bit code and 5-bit code. The 4-bit
code or 5-bit code is used for duct-type unit only (including multi duct-type unit and 1-to-1
duct-type unit).
3)When the “setting of control mode” is “L”, the function dial-up for “setting of memory mode" and
“setting of master / slave indoor unit” will be disabled. When the “setting of control mode” is “I”, this
function dial-up setting is enabled.
4)The DIP swicth shall be put to position correctly, and shall not be put to middle position. Dialing
of the switch to “ON” position indicates “0” and the dialing to opposite direction indicates “1”.
5)After dialing up, please mark the address code of the unit(√)
Address code S1
Functional dial
switch S7
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DC INVERTER MULTI VRF
INSTALLATION
Capacity code S2
Mainboard of 5-bit Function Dial-up
Mainboard of 4-bit Function Dial-up
9.4.2 Address dial code
Address dial-up must be set for the multi indoor units; otherwise abnormal communication will
be caused to the unit. The address code has 4-bit dial-up in total. The highest address is 16
and the lowest address is 1.
NOTES! To use multiple indoor units in parallel, make sure to change the setting of address
code before installation and guarantee that the address code of each indoor unit must be different
(The address code is located on the mainboard of indoor unit). If wired controller is used, make
sure to dial the address code of wired controller to the position same as the address code on
corresponding indoor unit. (The address code of wired controller is located on the back of wired
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DC INVERTER MULTI VRF
INSTALLATION
controller)
☆Below is factory default setting:
The default setting of address dial-up code is 0000 and the address is 1 (See above for the
position of dial lever).
☆Dial-up Value
The dial-up value of address code is set in binary system. The dial-up value is “0” when the
lever is dialed to “ON” end; the dial-up is “1” when the lever is dialed to numerical end on opposite
side. For number 4~1 on the address code, the dial-up #4 refers to high bit and the dial-up 1#
refers to low bit.
Dial-up Table (4-bit DIP swicth)
4-bit
3-bit
2-bit
1-bit
Address
0
0
0
0
1
0
0
0
1
2
0
0
1
0
3
0
0
1
1
4
0
1
0
0
5
0
1
0
1
6
0
1
1
0
7
0
1
1
1
8
1
0
0
0
9
1
0
0
1
10
1
0
1
0
11
1
0
1
1
12
1
1
0
0
13
1
1
0
1
14
1
1
1
0
15
1
1
1
1
16
Example 1: If the dial value is “0111”, this represents that the address is “8”, the pins 1, 2 & 3 of the
dial switch are dialed to the numerical end, and the pin 4 is dialed to “ON”.
Example 2: If the dial value is “1010”, this represents that the address is “11”, the pins 2 & 4 of the
dial switch are dialed to the numerical end, and the pin 1 & 3 are dialed to “ON”.
See below.:
Address 8, dial-up value 0111
Address 11, dial-up value 10109.
4.3 Capacity dial-up
On the mainboard of indoor unit, two 4-bit DIP switches are used to distribute the address and
capacity of indoor units. The 4-bit DIP switch (marked with “capacity” below) used for setting the
capacity of indoor units is factory set before shipment of indoor unit, while it is covered by sealant,
so that it cannot be changed by the user.
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DC INVERTER MULTI VRF
INSTALLATION
☆Below is factory default setting:
The default Capacity dial-up is the maximum capacity of indoor unit. As shown above, the capacity
is (See above for the lever position)
☆Dial-up Value
The dial-up value of capacity code is set in binary system. The dial-up value is “0” when the lever
is dialed to “ON” end; the dial-up is “1” when the lever is dialed to numerical end on opposite side.
For number 4~1 on the capacity code, the dial-up #4 refers to high bit and the dial-up 1# refers to
low bit.
Dial-up Table (4-bit DIP swicth)
4-bit
3-bit
2-bit
1-bit
Capacity
0
0
0
0
20
0
0
0
1
25
0
0
1
0
30
0
0
1
1
35
0
1
0
0
40
0
1
0
1
45
0
1
1
0
50
0
1
1
1
60
1
0
0
0
224
1
0
0
1
70
1
0
1
0
80
1
0
1
1
90
1
1
0
0
100
1
1
0
1
112
1
1
1
0
140
1
1
1
1
280
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DC INVERTER MULTI VRF
MAINTENANCE
MAINTENANCE
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MAINTENANCE
MAINTENANCE
1 List of Unit Errors
1.1 List of Error Display on Wired Controller
Error
Code
Error
Description
Source of
Error Signal
E1
Compressor
high-pressure
protection
High-pressure
Switch
E2
Indoor
antifreeze
protection
Evaporator
sensor
E3
Compressor
low-pressure
protection
Low-pressure
Switch
E4
Compressor
exhaust
temperature
protection
Exhaust
temperature
sensor
E5
Frequency
converter
overcurrent
protection
Compressor
drive
E6
Communication
error
Communication
E7
Mode conflict
User operation
E9
Water-full
protection
Water pump
F0
F1
F2
F3
Indoor ambient
temperature
sensor error
Indoor coil inlet
temperature
sensor error
Indoor coil
middle
temperature
sensor error
Outdoor coil
inlet
temperature
sensor error
Indoor room
sensor
Indoor coil-inlet
temperature
sensor
Indoor
coil-middle
temperature
sensor
Indoor coil-exit
temperature
sensor
Notes on Control
The high pressure protection value is 4.2MPa. When it is detected
three times successively that a compressor is under high
pressure, this compressor will be stopped. In this case, error code
E1 will be displayed and the run indicator will blink.
When it is detected for 10 minutes successively that Tevap. is ≤-2℃
(varying with indoor unit), the antifreeze protection will be
activated, in which case the outdoor unit will immediately shut off
the indoor electronic expansion valve and the capacity will be set
to “0”.
When the low pressure reaches the protection value (absolute
pressure: 0.15MPa), the low pressure switch will be cut off, in
which case the low pressure protection will be displayed.
When the exhaust temperature (Texhau.) is equal to and higher
than 113 ℃ , the compressor will be stopped. Upon the first
occurrence of exhaust protection, the error code E4 will be
displayed. When the exhaust temperature is lower than TR℃, the
compressor will resume to operation after it has been stopped for
3 minutes. The compressor can resume to operation for the first
two times. But if this occurs three times successively in 1 hour, the
unit must be disconnected from power supply before it can
restarted.
The drive board of variable frequency compressor is incurred to
error. For details on the error message, please refer to the Display
Code on Digital Tube of Outdoor Unit.
The mainboard of indoor unit or the wired control is incurred to
communication error with outdoor unit. The indoor unit incurred to
communication error will be stopped and display the error code.
The run mode of the unit that is started later is inconsistent to the
mode that is started earlier. Only the cooling and dry mode has
possible mode conflict against the heat mode. For fan mode,
there is no mode conflict against the cooling, dry or heat mode. In
case mode conflict occurs, the indoor unit with mode conflict will
display E7 and be stopped.
When water full is detected for 8 seconds successively, the
system will enter into water-full protection state, in which case the
wired controller will display E9 and give out alarm. In case of
water-full protection under each mode, the other loads of the
indoor unit will be stopped, except that the water pump will remain
working and give out alarm. In this case, the outdoor unit shall
adjust the capacity output accordingly
The indoor unit incurred to sensor error will display error code and
be stopped.
The indoor unit incurred to sensor error will display error code and
be stopped.
The indoor unit incurred to sensor error will display error code and
be stopped.
The indoor unit incurred to sensor error will display error code and
be stopped.
DC INVERTER MULTI VRF
MAINTENANCE
F4
Outdoor
ambient
temperature
sensor error
Outdoor
environment
sensor
F7
Outdoor defrost
temperature
sensor error
Outdoor
Defrost Sensor
F9
Exhaust
temperature
sensor error
Exhaust
temperature
sensor
Test for 30 seconds successively to check if the temperature
sensor is disconnected. If yes, alarm will be sent; otherwise no
processing will be made. If the controller of outdoor unit detects
failure of outdoor sensor under open circuit, short circuit and
excess of test value, the outdoor unit will execute the following
default actions, that is, the error message will be sent to each
indoor unit and the error code will be displayed via error indicator
or wired controller. When the outdoor ambient temperature is
lower than -5℃, the disconnection failure of outdoor inlet, middle
and exit sensors in shield room will be processed as under -30℃.
Test for 30 seconds successively to check if the temperature
sensor is disconnected. If yes, alarm will be sent; otherwise no
processing will be made. If the controller of outdoor unit detects
failure of outdoor sensor under open circuit, short circuit and
excess of test value, the outdoor unit will execute the following
default actions, that is, the error message will be sent to each
indoor unit and the error code will be displayed via error indicator
or wired controller. When the outdoor ambient temperature is
lower than -5℃, the disconnection failure of outdoor inlet, middle
and exit sensors in shield room will be processed as under -30℃.
Test for 30 seconds successively to check if the temperature
sensor is disconnected. If yes, alarm will be sent; otherwise no
processing will be made. If the controller of outdoor unit detects
failure of outdoor sensor under open circuit, short circuit and
excess of test value, the outdoor unit will execute the following
default actions, that is, the error message will be sent to each
indoor unit and the error code will be displayed via error indicator
or wired controller. When the outdoor ambient temperature is
lower than -5℃, the disconnection failure of outdoor inlet, middle
and exit sensors in shield room will be processed as under -30℃.
Error Code of Duct-type Unit
Error
Error
Error
Code
Prevention against low
Error with oil temperature
E2
temperature
sensor 2 (digital)
Outdoor ambient temperature
Indoor ambient temperature
F4
sensor error
sensor error
Error
Code
Fb
F0
Indoor tube-inlet sensor error
F5
Exhaust overtemperature
E4
Outdoor tube-middle sensor error
F6
Low-pressure protection
E3
Outdoor tube-exit sensor error
F7
Overcurrent Protection
E5
Error with exhaust temperature
sensor 1 (fixed-frequency)
F8
High-pressure protection
E1
Indoor tube-inlet sensor error
F1
Communication error
E6
Indoor tube-middle sensor error
F2
High-pressure valve error
Fc
Indoor tube-exit sensor error
F3
Low-pressure valve error
Fd
F9
Water-full protection
(Cassette)
Eb
Error with exhaust temperature
sensor 2 (fixed-frequency)
Error with oil temperature sensor
1 (fixed-frequency)
FA
King Series
Error
Power
Lamp
Test
lamp
Timer
lamp
Defro
st
Antif
reez
e
Mode
confli
ct
Com
muni
catio
n
error
Outdo
or unit
failure
Bright
Brigh
t
Dark
Dark
Blink
Blink
Blink
Bright
Blink
Dark
Blink
Blink
Dark
Bright
Blink
Dark
Blink
Bright
Blink
Dark
Tube-inl
et
sensor
error
Tube-mid
dle sensor
error
Tube-exit
sensor
error
Room
sensor
error
Bright
Bright
Bright
Dark
Blink
Blink
Blink
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DC INVERTER MULTI VRF
MAINTENANCE
Feng Yun and Feng Xia series
Error
Tube-inle
t sensor
error
Tube-midd
le sensor
error
Tube-exit
sensor
error
Room
sensor
error
Def
rost
Antifr
eeze
Mode
confli
ct
Comm
unicati
on
error
Blink
(2)
Outdo
or unit
failure
Brig
Blink
Dark
Blink
ht
Blin
Blink
Blink
Bright
Blink
Dark
k
Notes::(1)Bright and dark intermittently (2)Bright and dark simultaneously
Floor Standing: Lantianshi, qingliangwangzi, fengsheng series
Error
Error
Error
Error
Code
Code
Indoor tube-middle sensor
Indoor tube-inlet sensor error
F1
F2
error
Outdoor ambient
Indoor tube-exit sensor error
F3
F4
temperature sensor error
Outdoor ambient
Outdoor tube-inlet sensor error
F5
F6
temperature sensor error
Error with exhaust
Outdoor tube-exit sensor error
F7
F8
temperature sensor 1
(fixed-frequency)
Error with exhaust temperature
Error with exhaust
F9
FA
sensor 2 (digital)
temperature sensor 2 (digital)
Error with oil temperature sensor 2
Indoor ambient temperature
Fb
F0
(digital)
sensor error
Test
lamp
Timer
lamp
Blink(1)
Prevention against low temperature
E2
High-pressure protection
E1
Low-pressure protection
E3
Exhaust overtemperature
E4
Overcurrent Protection
E5
Communication error
E6
Mode conflict
E7
High-pressure valve error
Fc
Low-pressure valve error
Fd
181
DC INVERTER MULTI VRF
MAINTENANCE
1.2 Display Code on Digital Tube of Outdoor Mainboard
Error
Display
on
Digital
Tube
Display on
Indoor
Unit
PH
DC overvoltage
protection
Module overheat
protection
Current test circuit
fault
Module temperature
sensor fault
Compressor
overcurrent protection
DC undervoltage
protection
Compressor startup
failure
PFC module
protection
Drive resetting and
stop
Protection of
compressor against
loss of
synchronization
Compressor
protection against
loss of phase
Inverter drive
communication fault
IPM module
protection
Error
Display
on
Digital
Tube
Display on
Indoor
Unit
E5
Input overcurrent protection
PA
E5
P8
E5
Jumper fault
C5
No display
Pc
E5
Recharging circuit fault
PU
E5
P7
E5
High-pressure protection
E1
E1
P5
E5
Low-pressure protection
E3
E3
PL
E5
Exhaust protection
E4
E4
Lc
E5
Compressor overload protection
H3
E5
Hc
E5
E6
E6
P0
E5
F4
F4
H7
E5
Indoor coil inlet temperature
sensor error
F5
F5
Ld
E5
Indoor coil middle temperature
sensor error
F6
F6
P6
E5
F7
F7
H5
E5
F9
F9
Communication fault (between
indoor / outdoor unit and wired
controller)
Outdoor ambient temperature
sensor error
Outdoor coil outlet temperature
sensor error
Exhaust temperature sensor
error
1.3 Display of the number of indoor units
Note: You may press down SW3 key of outdoor unit twice continuously within 2s, so that the system will detect
the number of indoor units, in which case the LED1~LED4 will blink in turn, LED5 and LED6 will become dark.
After 12 seconds, the number of indoor units will be displayed.
Number of indoor
units
Lamp display
LED6
LED5
LED4
LED3
LED2
LED1
1
Dark
Dark
Dark
Dark
Dark
Bright
2
Dark
Dark
Dark
Dark
Bright
Dark
3
Dark
Dark
Dark
Dark
Bright
Bright
4
Dark
Dark
Dark
Bright
Dark
Dark
5
Dark
Dark
Dark
Bright
Dark
Bright
6
Dark
Dark
Dark
Bright
Bright
Dark
:
:
:
:
:
:
:
:
:
:
:
:
:
:
62
Bright
Bright
Bright
Bright
Bright
Dark
63
Bright
Bright
Bright
Bright
Bright
Bright
DC INVERTER MULTI VRF
MAINTENANCE
2 Flow chart of troubleshooting
2.1 High-pressure protection
High-pressure protection
No
Use pressure gauge to
measure if the pressure is
really high?
Yes
Replace the mainboard of outdoor unit
No
Yes
Check if the operation
mode of indoor unit is
set properly?
Measure if the
pressure switch is
normal?
No
Refer to the Instruction Manual for
Indoor Unit
Replace the pressure switch
Yes
Check if the gas valve
and liquid valve are
fully open?
No
Fully open the valve
Yes
Check if the front panel of
outdoor unit is covered
tightly?
No
Cover up the front panel properly
Yes
Check if the air inlet and outlet
of the indoor and outdoor
exchanger is smooth?
No
Remove the obstructions
Yes
Check if the indoor
and outdoor fans run
normally?
No
Measure the fan motor and
signal input
Yes
Check if the indoor
swing louver is fully
open?
No
Measure the swing motor and
signal input
Yes
Check if the capacity output of
outdoor unit is equal to the
capacity demand of indoor
units?
No
Refer to the dial-up of indoor and outdoor unit
Yes
Check if the indoor
electronic expansion valve
can work normally
No
Engage the valve body with the coil
Yes
Check if the indoor /
outdoor filters or radiating
fins are dirty or blocked?
Yes
Refer to the Repair and Maintenance
No
The system pipe is blocked
Focus on checking the inlet and outlet of the connection between indoor units and main
pipe. Also focus on checking the electronic expansion valve of indoor unit and outdoor
unit. Replace the electronic expansion valve, drying filter and other parts
183
DC INVERTER MULTI VRF
MAINTENANCE
2.2 Low-pressure protection
Low-pressure protection
Use pressure gauge to
measure if the pressure
is really low?
No
Refer to low pressure sensor error
Yes
Check if the refrigerant in
the system is too low?
Yes
Add refrigerant according to the nominal refrigerant volume
on nameplate and the calculated charge volume
No
Check if the operation
mode of indoor unit is set
properly?
No
Refer to the Instruction Manual for Indoor Unit
Yes
Check if the gas valve and
liquid valve of outdoor unit
are fully open?
No
Fully open the valve
Yes
Check if the front panel of
outdoor unit is covered
tightly?
No
Cover up the front panel properly
Yes
Check if the air inlet and outlet
of the indoor and outdoor
exchanger is smooth?
No
Remove the obstructions
Yes
Check if the indoor and
outdoor fans run normally?
Yes
Measure the fan motor and
signal input
No
Check if the indoor swing
louver is fully open?
No
Measure the swing motor
and signal input
Yes
Check if the capacity output of
outdoor unit is equal to the
capacity demand of indoor
units?
No
Refer to the dial-up of indoor and outdoor unit
Yes
Check if the indoor
electronic expansion valve
can work normally
No
Engage the valve body with the coil
Yes
Check if the indoor / outdoor
filters or radiating fins are
dirty or blocked?
No
The system pipe is blocked
Yes
Refer to the Repair and Maintenance
Focus on checking the inlet and outlet of the connection between indoor units and main
pipe. Also focus on checking the electronic expansion valve of indoor unit and outdoor
unit. Replace the electronic expansion valve, drying filter and other parts
DC INVERTER MULTI VRF
MAINTENANCE
2.3 Exhaust Temperature Protection
Exhaust Temperature Protection
Measure if the exhaust
temperature of compressor
reaches 118℃?
No
Measure if the
resistance of
temperature sensor
is correct?
No
Yes
No
When the exhaust
temperature of compressor is
higher than 115℃, check if the
corresponding liquid bypass
plug is connected through?
Replace the mainboard of
outdoor unit
Replace the corresponding exhaust
temperature sensor
Yes
No
Check if the corresponding liquid
bypass sub-assembly is in good
condition, e.g. if the solenoid
valve is in good condition and if
the capillary pipe is blocked?
Replace the liquid bypass sub-assembly
When the exhaust temperature
of compressor is higher than
102℃, Whether the openness
of corresponding indoor unit
electronic expansion valve is
increased?
No
Check if the
electronic
expansion valve is
correct
No
Yes
Yes
Change the outdoor unit
mainboard
Change corresponding electronic
expansion valve sub-assy
No
When
the
exhaust
temperature of compressor is
higher than 110℃, Whether
compressor
reduces
its
capacity?
Change the mainboard chip of the outdoor units
Yes
Check if the capacity
output of outdoor unit is
equal to the capacity
demand of indoor units?
No
Yes
Repair the leakage of system pipe and
add refrigerant according to the required
volume
Refer to the dial-up of indoor and outdoor unit
Notes:
(1) The AC frequency conversion machine includes air-out senor
and shell top sensor.
(2) The temperature protection point in different machines are
different.
(3) There is no liquid refrigerant by-pass in frequency conversion
machine.
185
DC INVERTER MULTI VRF
MAINTENANCE
2.4 Compressor overcurrent protection
Abnormal overcurrent error
If the compressor
wiring is correct
No
Adjust the compressor wiring
Yes
If the current value is
higher than the preset
value of protector
No
Replace the overcurrent protector
Yes
If the high voltage
of unit is normal
No
Refer to high voltage protection
Yes
If the voltage is
normal
No
Contact the power supply company
Yes
The communication resumes to normal
Upon AC inverter startup overcurrent, the indicator will display the current protection.
Current protection
If the voltage is
normal
No
Adjust the power parameters
Yes
Remove the
compressor cables
and restart
If overcurrent
protection
No
Replace the compressor
Yes
Module damaged. Replace
the module
Note: For DC VRF unit, it is not allowed to test
with compressor cable removed.
186
DC INVERTER MULTI VRF
MAINTENANCE
Overcurrent occurs in operation, i.e. the indicator will display the current protection just after startup.
Check the indoor units for
matching
Within 135%
Correct the match of indoor units to
allowable capacity
Check if the charge volume is
too high
The charge volume is
too high
Adjust to allowable range stated
in the specifications
Use DC level to monitor P & N
voltage of the module
Voltage stabilized 252-330V, with
no fluctuation over 10V
DC capacitor damaged.
Replace it
Compressor damaged; module
damaged
187
DC INVERTER MULTI VRF
MAINTENANCE
2.5 Communication error
Communication
通讯故障error
检查
Check if the
室内机通讯线连接是否
communication line of
indoor unit is connected
正确?
否
No
确认插头与插口的
Check
the orientation of plug and socket
方位
Yes
是
测量
Measure if the
通讯线是否为
communication
line is
through?
No
否
Replace
the communication line
更换通讯线
通路?
Yes
是
检查室内
Check if the communication
外机连接的通讯线连接
line of indoor and outdoor
unit is是否正确?
connected correctly?
No
否
确认插头与插口的
方位
Check the orientation of plug and socket
Yes
是
检查通讯
Check if the two ends of
线两端是否分别套有
communication line are
mounted with magnetic ring?
磁环?
No
否
请缠绕上随机配套
的磁环
Please mount the included magnetic ring
是
Yes
查看所
Check if the outdoor unit
连室外机是否已
is electrically powered?
供电?
否
No
请给室外机接通电
Please
supply power to the outdoor unit
源
Yes
是
同系统
If the address codes of
中的室内机地址码是否
indoor units in the same
system are repeated?
有重复?
No
否
修改相关重复的地
Change
the repeated address codes
址码
Yes
是
线控器地址
If the address code of wired
码和所连的室内机地址
controller complies with the
address code of the connected
码是否相符?
indoor unit?
No
否
修改线控器地址码
Change
the address code of wired controller
188
DC INVERTER MULTI VRF
a)
MAINTENANCE
Water-full protection
故障显示
Fault
display
检查是否有水溢
Check if the water
overflows?
出?
No
否
否
No
If the voltage of liquid
液位开关端子的
level switch terminal
电压是否正确?
is correct?
Yes
是
Yes
是
If the drainage pump is
排水泵是否运转?
running?
No
否
Check检查液位开关
the liquid level switch
No
否
If the voltage of
排水泵端子的电
drainage pump
压是否正确?
terminal is correct?
Yes
是
Yes
是
If the drainage pipe is
排水管是否疏通?
unblocked and if the
流水是否顺畅?
water flow is smooth?
No
否
Replace
the mainboard of indoor unit
更换室内机主板
Replace
the mainboard of indoor unit
更换室内机主板
Check 检查排水泵配线
the wiring of drainage pump
Adjust
the drainage pipe
调整排水管
Yes
是
Check检查排水泵
the drainage pump
2.7 Error with room sensor, tube-inlet, tube middle and tube-exit sensor; error with room sensor, tube-inlet, tube
middle and tube-exit sensor and exhaust / casing top sensor; error with the compressor bottom sensor
Temperature sensor error
If the plug on temperature
sensor is correctly connected
to the socket on mainboard?
No
Check the orientation of plug and socket
Yes
Remove the temperature and
measure if its resistance is
within normal range?
Yes
Replace the mainboard of indoor unit
No
Replace the temperature sensor
DC INVERTER MULTI VRF
MAINTENANCE
2.8 No energization to the unit and mainboard
No energization to the unit
机组及主板不得电
and mainboard
Yes
是
If 机组内接线板L、N是否
the voltage of L & N on
terminal board inside the unit
为220V
is 220V
No
否
Check the power supply of
terminal
board for any fault
检查接线板电源是否故障
Yes
是
Check
if the air switch in
检查机组内空气开关
the
unit is ON
是否打开
No
否
Put the air switch to ON
将空气开关打为ON
position
Yes
是
No
否
If the input of filter board
滤波板输入是否有电
is energized
The air switch is damaged or
空气开关损坏或松脱
loosened
Yes
是
If the output of filter
No
否
Replace the filter board
更换滤波板
滤波板输出是否有电
board is energized
Yes
是
Replace the mainboard
更换主板
3.2 Introduction of Major Electrical Elements
Name
Photo
Function Introduction
Filter board
Main functions: 1) Filter the
power interference and ensure
the anti-interference ability of
the unit under poor quality of
power supply; 2) Inhibit the
interference of the unit to the
power supply and prevent the
operation of unit from affecting
other electric appliances like TV.
Air switch
For
connecting
and
disconnecting the circuit of main
loop, provided with overcurrent
and short-circuit protection.
DC INVERTER MULTI VRF
MAINTENANCE
IPM module
The IPM module integrates 3
pairs of complementary IGBT
tube
and
controls
their
connection and disconnection
via PWM wave, so that the DC
bus voltage is applied to
different stator windings of the
compressor in different time
section and the current is hence
generated on the stator.
Meanwhile, magnetic field is
induced on the rotor windings,
thus to push the rotor and drive
the compressor to run.
PFC
module
The PFC module integrates 4
diode tubes and 2 MOS tubes.
They convert the AC input
power
into
DC
power.
Meanwhile, the connection and
disconnection of MOS tube is
controlled via PWM wave, thus
to realize the voltage rise under
the function of electric induction.
191
DC INVERTER MULTI VRF
MAINTENANCE
3 WIRING DIADRAM
3.1 Outdoor unit
GMV(L)-Pd100W/NaB-K,GMV(L)-Pd120W/NaB-K,GMV(L)-Pd140W/NaB-K
GMV(L)-Pd160W/NaB-K
192
DC INVERTER MULTI VRF
MAINTENANCE
3.2 Indoor unit
GMV-R22P/Na-K,GMV-R25P/Na-K,GMV-R28P/Na-K,GMV-R36P/Na-K,GMVL-R22P/Na-K ,GMVL-R25P/Na-K,GMVL
-R28P/Na-K,GMVL-R36P/Na-K
GMV-R45P/Na-K ,GMV-R50P/Na-K,GMVL-R45P/Na-K GMVL-R50P/Na-K,
193
DC INVERTER MULTI VRF
MAINTENANCE
GMV-R56P/Na-K,GMV-R71P/Na-K,GMV-R80P/Na-K,GMVL-R56P/Na-K,GMVL-R71P/Na-K,GMVL-R80P/Na-K
GMV-R90P/Na-K,GMV-R112P/Na-K,GMV-R140P/Na-K,GMVL-R90P/Na-K,GMVL-R112P/Na-K,GMVL-R140P/Na-K
194
DC INVERTER MULTI VRF
MAINTENANCE
GMV-R125P/Na-K,GMVL-R125P/Na-K
GMV-R22P/NaB-K、GMV-R28P/NaB-K、GMV-R36P/NaB-K、GMV-R45P/NaB-K、GMV-R56P/NaB-K、
GMV-R71P/NaB-K
195
DC INVERTER MULTI VRF
MAINTENANCE
GMV-R90P/NaB-K、GMV-R112P/NaB-K、GMV-R140P/NaB-K
C1
C2
GMV-R22PS/NaB-K、GMV-R28PS/NaB-K、GMV-R36PS/NaB-K
196
DC INVERTER MULTI VRF
MAINTENANCE
GMV-R45PS/NaB-K、GMV-R56PS/NaB-K、GMV-R71PS/NaB-K
GMV-R90PS/NaB-K、GMV-R112PS/NaB-K、GMV-R140PS/NaB-K
C1
C2
197
DC INVERTER MULTI VRF
MAINTENANCE
GMV-R22T/NaA-K、GMV-R28T/NaA-K、GMV-R36T/NaA-K、GMV-R45T/NaA-K
GMV-R28T/Na-K,GMV-R36T/Na-K,GMV-R45T/Na-K,GMV-R50T/Na-K,GMV-R56T/Na-K,GMV-R71T/Na-K,GMV-R8
0T/Na-K,GMV-R90T/Na-K,GMV-R112T/Na-K,GMV-R125T/Na-K,GMV-R140T/Na-K,GMVL-R28T/Na-K,GMVL-R36T/
Na-K,GMVL-R45T/Na-K,GMVL-R50T/Na-K,GMVL-R56T/Na-K,GMVL-R71T/Na-K,GMVL-R80T/Na-K,GMVL-R90T/
Na-K,GMVL-R112T/Na-K,GMVL-R125T/Na-K,GMVL-R140T/Na-K
Limit Switch
Swing Motor
Water Level Switch
Environment
1
2
3
Temp.sensor
Out
Temp.sensor
Mid
Temp.sensor
Manual Panel
4
In
Temp.sensor
GMV-R22G/NaB-K,GMVL-R22G/NaB-K,GMV-R28G/NaB-K,GMVL-R28G/NaB-K,GMV-R36G/NaB-K,GMVL-R36G/N
aB-K,GMV-R45G/NaB-K,GMVL-R45G/NaB-K
198
DC INVERTER MULTI VRF
MAINTENANCE
GMV-R50G/NaB-K,GMV-R56G/NaB-K,GMVL-R50G/NaB-K,GMVL-R56G/NaB-K
GMV-R22G/NaC-K,GMV-R28G/NaC-K ,GMV-R36G/NaC-K,GMV-R45G/NaC-K,GMVL-R22G/NaC-K,GMVL-R28G/Na
C-K ,GMVL-R36G/NaC-K,GMVL-R45G/NaC-K
199
DC INVERTER MULTI VRF
MAINTENANCE
GMV-R71G/Na-K,GMV-R80G/Na-K,GMVL-R71G/Na-K,GMVL-R80G/Na-K
200
DC INVERTER MULTI VRF
MAINTENANCE
GMV-R28Zd/Na-K,GMV-R36Zd/Na-K,GMV-R50Zd/Na-K,GMV-R71Zd/Na-K,GMV-R90Zd/Na-K,GMV-R112Zd/Na-K,G
MV-R125Zd/Na-K,GMVL-R28Zd/Na-K,GMVL-R36Zd/Na-K,GMVL-R50Zd/Na-K,GMVL-R71Zd/Na-K,GMVL-R90Zd/N
a-K,GMVL-R112Zd/Na-K,GMVL-R125Zd/Na-K
GMV-R22Td/Na-K,GMV-R28Td/Na-K,GMV-R36Td/Na-K
DC INVERTER MULTI VRF
MAINTENANCE
4 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS
4.1 Removal and Assembly of Outdoor Unit
Outdoor Unit of Side Outlet Structure
Removal and Installation of Compressor
Remark: Before removing the compressor, make sure that there is no refrigerant inside the pipe system and
that the power has been cut off.
Step
Illustration
Handling Instruction
1. Remove the
●Use screwdriver to loosen
power cord
the screws fixing the power
Mark the power
cable.
cable colors and
●Pull out the power cable.
corresponding
terminal
codes
Note: When removing the
during removal.
power cable, please mark
the power cable color and
corresponding terminal, thus
to
avoid
error
during
reinstallation.
2. Loosen the nuts
●Firstly, heat the connection
fixing
the
pipe of compressor by
compressor
onto
welding;
Heat by welding ● Then,
foundation.
pull out the
and
pull
the
exhaust / suction connection pipe.
Note: During welding, take
pipe out.
care not to let the flame burn
other elements.
3 Loosen the nuts
fixing
the
compressor
onto
foundation.
●Use spanner to loosen the
nuts fixing the compressor
onto the base seat
Use
spanner
to
remove the bolts fixing
the compressor.
4. Remove the
compressor
from
chassis
● Remove the compressor
and replace it
Note: When replacing the
compressor, take care not to
touch
the
pipes
and
components beside.
Remove the
compressor
DC INVERTER MULTI VRF
5. Fix the
compressor
chassis
MAINTENANCE
new
to
● Replace the compressor
and tighten the nuts fixing
onto the base seat.
Use spanner to
remove
the
bolts fixing the
compressor.
6. Connect the
suction
and
exhaust pipe of
compressor
to
system pipeline
●Weld the connection pipe
of compressor and connect it
to the compressor
Note: During welding, take
care not to let the flame burn
other elements.
Replace
and
lock
the
compressor. Then, connect
the pipe properly.
7. Connect the
power cables of
compressor
correctly
Mark the power
cable colors and
corresponding
terminal codes
during removal.
8. Check and open
the cover plate
●Use screwdriver to tighten
the screws fixing the power
cable.
●Connect the power cable
correctly
Note: When connecting the
power cable, please take
care on the marking of
power cable color and
corresponding
terminal
code.
● Check if the pipe is
connected properly;
● Check if the pipe is
connected properly;
● If no problem, close the
front and back cover plate.
Use
spanner
to
remove the bolts fixing
the compressor.
203
DC INVERTER MULTI VRF
MAINTENANCE
Disassembly and Assembly of 4-way valve
Step
Illustration
1. Disconnect the
4-way valve from
liquid bypass.
2. Disconnect the
4-way valve from
the pipe
3. Replace the
4-way valve and
weld the 4-way
valve to connection
pipe
4. Replace the
4-way valve and
weld the 4-way
valve
to
liquid
bypass
sub-assembly
Handling Instruction
● Firstly, remove the coil of 4-way
valve.
the
liquid
bypass
Loosen the four ● Loosen
points by welding sub-assembly by welding; then, pull out
the connection pipe.
Note: During welding, take care not to
let the flame burn other elements.
Loosen the four
points by welding
Weld this point
properly.
Weld this point on
gas bypass valve
●Loosen the four joints on 4-way valve
sub-assembly by welding; then, pull out
the connection pipe.
Note: During welding, take care not to
let the flame burn other elements.
● Replace the 4-way valve and then
weld the four joints on 4-way valve
sub-assembly.
Replace the 4-way valve and then weld
the four joints on 4-way valve
sub-assembly.
●Weld the joint between 4-way valve
sub-assembly and liquid bypass
sub-assembly.
Note: During welding, take care not to
let the flame burn other elements.
DC INVERTER MULTI VRF
Removal and Installation of electronic expansion valve
Step
Illustration
1.
Disconnect
the
electronic expansion valve
from connection pipe
MAINTENANCE
Handling Instruction
● Remove the coil of
electronic expansion valve;
● Loosen the connection
pipe of electronic expansion
valve by welding; then pull
out the connection pipe.
Note: During welding, take
care not to let the flame burn
other elements.
2. Remove and replace the
electronic expansion valve
●Remove and replace the
electronic expansion valve
3. Weld the electronic
expansion
valve
to
connection pipe
● Weld the connection pipe
of electronic expansion valve.
Note: During welding, take
care not to let the flame burn
other elements.
DC INVERTER MULTI VRF
Removal and Installation of Oil Separator
Step
1. Disconnect the oil
separator
from
the
connection pipe
MAINTENANCE
Illustration
Handling Instruction
●Loosen the three joints on oil
separator sub-assembly by
welding; then, pull out the
connection pipe.
Note: During welding, take
care not to let the flame burn
other elements.
2 Loosen the screws fixing
the oil separator
● Use screwdriver to loosen
the screws fixing the oil
separator.
3. Remove the oil separator
and replace it
● Remove the oil separator
and replace it
4.Tighten the screws fixing
the oil separator
● Use screwdriver to tighten
the screws fixing the oil
separator.
5. Weld the oil separator to
the connection pipe
●Weld the three joints on oil
separator sub-assembly.
Note: During welding, take
care not to let the flame burn
other elements.
206
DC INVERTER MULTI VRF
Step
1.
Removal
and
Installation of Gas-Liquid
Separator
MAINTENANCE
Removal and Installation of Gas-Liquid Separator
Illustration
Handling Instruction
● Loosen the two joints on
gas-liquid separator by welding;
then, pull out the connection pipe.
Note: During welding, take care
not to let the flame burn other
elements.
2. Loosen the screws
fixing
the
gas-liquid
separator
●Use screwdriver to loosen the
screws fixing the gas-liquid
separator.
3. Remove the gas-liquid
separator and replace it
the
gas-liquid
● Remove
separator and replace it
4. Tighten the screws
fixing
the
gas-liquid
separator
●Use screwdriver to tighten the
screws fixing the gas-liquid
separator.
5. Weld the gas-liquid
separator
to
the
connection pipe
● Weld the two joints on
gas-liquid
separator;
then,
connect the pipe properly.
Note: During welding, take care
not to let the flame burn other
elements.
207
DC INVERTER MULTI VRF
Step
1. Disconnect the liquid tank
from connection pip
MAINTENANCE
Removal and Installation of Liquid Tank
Illustration
Handling Instruction
● Disconnect the liquid
tank from connection pip
Note: During welding, take
care not to let the flame
burn other elements.
2. Loosen the bolts fixing
the liquid tank
● Use spanner to loosen
the bolts fixing the liquid
tank.
3. Remove the liquid tank
and replace it.
● Remove the liquid tank
and replace it.
4 Tighten the bolts fixing the
liquid tank
● Use spanner to tighten
the bolts fixing the liquid
tank.
5. Weld the liquid tank to
connection pipe
● Weld the two joints on
liquid tank; then, connect
the pipe properly.
Weld the two joints on
liquid tank; then, connect
the pipe properly.
208
DC INVERTER MULTI VRF
MAINTENANCE
4.2 Removal and Assembly of Indoor Unit
z
Cassette-type Unit
Step
1. Loosen the screws fixing
the water tray
Removal and Assembly of Fan Motor
Illustration
Handling Instruction
● Use screwdriver to loosen
the screws fixing the water tray
2. Remove the water tray
●Remove the water tray
3. Loosen the bolts fixing the
fan
●Use spanner to loosen the
bolts fixing the fan.
4. Remove the fan
●
Remove
the
fan
5. Loosen the screws fixing
the motor
● Use screwdriver to loosen
the screws fixing the motor
209
DC INVERTER MULTI VRF
MAINTENANCE
6. Remove the motor and
replace it
● Remove the motor and
replace it
7. Tighten the screws fixing
the motor
● Use screwdriver to tighten
the screws fixing the motor.
8. Mount the fan and tighten
the fixing bolts
● Mount the fan and use
spanner to tighten the bolts
fixing the fan.
9. Mount the water tray and
tighten the screws
Tighten these screws
● Use screwdriver to loosen
the screws fixing the water tray
210
DC INVERTER MULTI VRF
Removal and Installation of Drainage Pump
Step
1. Loosen the screws fixing
the water tray
MAINTENANCE
Illustration
Handling Instruction
● Use screwdriver to
loosen the screws fixing
the water tray
2. Remove the water tray
● Remove the water
pump and replace it.
3. Pull out the water outlet
pipe and loosen the screws
fixing the water pump.
●Pull out the water outlet
pipe and use screwdriver
to loosen the screws
fixing the water pump
1.Loosen the water outlet pipe
2.Loosen the screws
fixing the water pump
4 Remove the water pump
and replace it.
5. Connect the drainage hose
and tighten the screws fixing
the water pump.
6. Mount the water tray and
tighten the screws
● Remove the water
pump and replace it.
1.Tighten the drainage pipe
2.Tighten the screws fixing
the drainage pump
● Connect the drainage
hose
and use
screwdriver to tighten the
screws fixing the water
pump.
● Use screwdriver to
tighten the screws fixing
the water tray
DC INVERTER MULTI VRF
z
MAINTENANCE
1-way Cassette-type Unit
Removal and Assembly of Fan Motor
Step
Illustration
Handling Instruction
1.Remove the
front panel
●Press switch on
both side of the
panle. Open one side
of the panel and
remove the three
opposite
buckles.
Remove the front
panel.
2.Remove the
screw of front
panel
●Loosen the screw
with screwdriver
3.Remove the
panel.
●Remove
panel.
4.Loosen the
screws fixing
the water tray
●Use screwdriver to
loosen the screws
fixing the water tray
5.Remove the
water tray and
filter support
●Remove the water
tray and filter support
the
212
DC INVERTER MULTI VRF
MAINTENANCE
6.Loosen the
fixing screw of
motor cover
●Loosen the fixing
screw of motor cover
with screwdriver
7.
Remove
motor
cover
subassembly
●Remove
motor
cover subassembly
8. Loosen the
screw
fixing
motor
and
motor shaft
Rotate the cross flow
blade to make the
screw
upward.
Loosen the screw
with screwdriver.
9. Replace the
motor
●Remove the motor
and mount a new one
10. Mount the
motor
cover
subassembly
and tighten the
screw
●Mount the motor
cover subassembly
and tighten the fixing
screw of motor cover
and cross flow blade.
213
DC INVERTER MULTI VRF
MAINTENANCE
11 Mount water
tray and filter
support. Fix the
screw.
●Mount water tray
and filter support.
tighten the screw
fixing water tray and
filter support.
12.
Mount
panel
subassembly
and tighten the
screw.
●Mount
panel
subassembly
and
tighten the screw.
13.
Mount
panel
subassembly
●Mount
panel
subassembly
and
press the switch on
both side of the
panel.
214
DC INVERTER MULTI VRF
MAINTENANCE
Removal and Assembly of Water Pump
Step
Illustration
Handling
Instruction
1. Remove the
panel
subassembly
●Press switch on
both side of the
panle. Open one
side of the panel
and remove the
three
opposite
buckles. Remove
the front panel.
2. Loosen the
screw
fixing
panel
subassembly
and main body
●Loosen the screw
fixing
panel
subassembly and
main body with
screwdriver
3.Take out the
panel
subassembly
●Take out the
panel subassembly
4.Loosen the
screw of water
tray
●Loosen the screw
of water tray with
screwdriver
5.Remove the
water tray and
filtering screen
support
●Remove
the
water tray and
filtering
screen
support
215
DC INVERTER MULTI VRF
MAINTENANCE
6. Loosen the
fixing screw of
water pump
●Loosen the fixing
screw of water
pump
with
screwdriver. Pull
off the drain pipe
from the water
pump.
7. Replace the
water pump
●Remove
the
water pump and
mount a new one.
8. Connect the
water
pump
and drain pipe.
Tighten
the
fixing screws.
●Connect
the
water pump and
drain pipe. Tighten
the fixing screws.
11. Mount the
water tray and
filtering screen
support
and
tighten
the
screw
●Mount the water
tray and filtering
screen support and
tighten the screw.
12.
Mount
panel
subassembly
and tighten the
screw.
●Mount
panel
subassembly and
tighten the screw.
216
DC INVERTER MULTI VRF
13.
Mount
panel
subassembly
MAINTENANCE
●Mount
panel
subassembly and
press the switch on
both side of the
panel.。
217
DC INVERTER MULTI VRF
z
Ultra-thin Duct-Type Unit
Removal and Assembly of Fan Motor
Remarks: Before removing the fan, make sure to cut off the power firstly.
Step
Illustration
1. Unplug the
motor cables
MAINTENANCE
Handling Instruction
●Cut off the power supply
of indoor unit. Use
screwdriver to remove the
electric box cover and
unplug the motor cables
in electric box.
2. Remove the
back
propeller
housing
the
clamp
●Loosen
between back propeller
housing
and
front
propeller
housing.
Remove
the
back
propeller housing
3. Remove the
front
propeller
housing
screwdriver
to
●Use
loosen the screws fixing
the
front
propeller
housing. Remove the
front propeller housing.
4. Loosen the fan
and motor.
●Use inner hexagonal
spanner to loosen the
screws on fan and
remove the clamp fixing
the motor.
5. Remove the
motor
●Firstly, disengage the
motor from motor support
and then disengage the
fan from the motor. Then,
remove the motor from
the lower return air inlet
frame. In which, for the
motor with automatic
motor support, the motor
support shall be removed
in advance and then
changed to the unit.
●Assemble the unit in
reverse
to
the
disassembly procedures
and energize it for testing.
6. Replace with a
new motor
218
DC INVERTER MULTI VRF
z
Duct-Type Unit
Removal and Assembly of Fan Motor
Remarks: Before removing the fan, make sure to cut off the power firstly.
Step
Illustration
1. Unplug the motor
cables
MAINTENANCE
Handling Instruction
●Cut off the power
supply of indoor unit.
Use
screwdriver
to
remove the electric box
cover and unplug the
motor cables in electric
box.
2. Remove the cover of
return air inlet
●Use screwdriver to
remove the lower return
air inlet cover board.
3. Remove the back
propeller housing
clamp
●Loosen the
between back propeller
housing
and
front
propeller
housing.
Remove
the
back
propeller housing.
4. Remove the front
propeller housing
●Use screwdriver to
loosen the screws fixing
the
front
propeller
housing. Remove the
front propeller housing.
5. Loosen the fan and
motor.
●Use inner hexagonal
spanner to loosen the
screws on fan and
remove the clamp fixing
the motor.
6. Remove the motor
●Firstly, disengage the
motor
from
motor
support
and
then
disengage the fan from
the motor. Then, remove
the motor from the lower
return air inlet frame. In
which, for the motor with
automatic
motor
support,
the
motor
support
shall
be
removed in advance and
then changed to the unit.
219
DC INVERTER MULTI VRF
7. Replace with a new
motor
MAINTENANCE
●Assemble the unit in
reverse
to
the
disassembly procedures
and energize it for
testing.
220
DC INVERTER MULTI VRF
z
MAINTENANCE
Duct-Type Unit(5.6 kW~8.0 kW)
Removal and Assembly of Fan Motor
Remarks: Before removing the fan, make sure to cut off the power firstly.
Step
Illustration
1. Unplug the motor
cables
Handling Instruction
●Cut off the power
supply of indoor unit.
Use screwdriver to
remove the electric
box cover and unplug
the motor cables in
electric box.
2. Remove the filter
sub-assembly
and
return air inlet cover
board
●Remove the filter
sub-assembly from the
return air inlet frame
and use screwdriver to
remove the return air
inlet cover board.。
3. Remove the screws
on fan sub-assembly.
●Remove the screws
on fan sub-assembly.
4.
Overturn
the
propeller housing
●Rotate the propeller
housing to the return
air
inlet
opening
according to arrow
direction.
5. Loosen the fan and
motor.
●Use inner hexagonal
spanner to loosen the
screws on fan and
remove the clamp
fixing the motor.
DC INVERTER MULTI VRF
6. Replace the motor
7. Assemble the unit
in reverse to the
disassembly
procedures
MAINTENANCE
●Firstly, disengage the
motor from motor
support.
Then,
sequentially
disengage the fan
sub-assembly form the
motor shaft. Remove
the motor from the
return air inlet and
replace
with
new
motor. In which, for the
motor with automatic
motor support, the
motor support shall be
removed in advance
and then changed to
the unit.
●Assemble the unit in
reverse
to
the
disassembly
procedures
and
energize it for testing.
222
DC INVERTER MULTI VRF
z
MAINTENANCE
Duct-Type Unit(9.0 kW~14 kW)
Removal and Assembly of Fan Motor
Remarks: Before removing the fan, make sure to cut off the power firstly.
Step
Illustration
1. Unplug the
motor cables
Handling Instruction
●Cut off the power
supply of indoor unit.
Use
screwdriver
to
remove the electric box
cover and unplug the
motor cables in electric
box.
2. Remove the
filter sub-assembly
and return air inlet
cover board
●Remove
the
filter
sub-assembly from the
return air inlet frame and
use
screwdriver
to
remove the return air
inlet cover board.。
3. Remove the
screws on fan
sub-assembly.
●Remove the screws on
fan sub-assembly.
4. Overturn the
propeller housing
●Rotate the propeller
housing to the return air
inlet opening according
to arrow direction.
5. Loosen the fan
and motor.
●Use inner hexagonal
spanner to loosen the
screws on fan and
remove the clamp fixing
the motor.
6. Replace
motor
●Firstly, disengage the
motor
from
motor
support.
Then,
sequentially disengage
the fan sub-assembly
form the motor shaft.
Remove the motor from
the return air inlet and
replace with new motor.
In which, for the motor
with automatic motor
support,
the
motor
support
shall
be
removed in advance
and then changed to the
unit.
the
DC INVERTER MULTI VRF
7. Assemble the
unit in reverse to
the disassembly
procedures
MAINTENANCE
●Assemble the unit in
reverse
to
the
disassembly procedures
and energize it for
testing.
224
DC INVERTER MULTI VRF
MAINTENANCE
z
Wall-mounted Unit
Removal and Wall-mounted Unit Assembly of Fan Motor
Remarks: Before removing the compressor, make sure that there is no refrigerant inside the pipe system and
that the power has been cut off.
Step
Illustration
Handling Instruction
1. Firstly,
●Firstly,
use
remove
screwdriver to loosen
the front
the screws.
●Unplug the motor
panel,
front case
terminals in the electric
and
box. Loosen the earth
electric
screws and lift up.
box
2. Remove
the
evaporator
Screw
3. Remove
the motor
and cross
flow fan
●Firstly,
use
screwdriver to remove
the fixing screws on the
left and right side. Then,
remove the evaporator.
●Use screwdriver to
remove the screws
fixing the motor clamp
and remove the screws
connecting the motor
and cross flow fan.
Then, the motor can be
separated from the
cross flow fan.
Screw
DC INVERTER MULTI VRF
MAINTENANCE
2.9 PFC protection
E5 displayed on
hand controller
Mainboard nixietube
Monitor display
PFC abnorma
Display Hc
Cut off the power for 1
minute or reduce the
busbar voltage to 36V or
lower. Then, check the
mainboard.
No
If it is moistened,
dirty
or
short
circuited?
Yes
Dry the PFC board and
clear off the dirt or
eliminate
the
short-circuit point.
Work normally?
No
Check if +15V in the
mainboard is stable,
as well as 1,2 role
of 15VA
No
Yes
Yes
1. If it is moistened, find out the cause and
take proper measures to prevent moisture. Dry
the PFV board and apply moisture-proof glue.
2. If it is dirty, find out the cause and take
dustproof measures. If the air quality of
service environment is poor, it is also required
to clear off the dirt periodically.
3. If it is short circuit, find out the cause and
clean the electric box to prevent the iron
scraps or other conductive substances from
attaching on the board.
Record and feed back
Check if the PFC in
the mainboard is
damaged
No
Replace the mainboard
Yes
DC INVERTER MULTI VRF
MAINTENANCE
2.10 IPM protection
E5 displayed on
hand controller
Mainboard nixietube
Monitor display
Display Hc
IPM protection
Cut off the power for 1
minute or reduce the
busbar voltage to 36V
or lower. Then, Check
Mainboard.
No
If it is moistened,
dirty or short
circuited?
Yes
If it is moistened, dirty
or short circuited?
Work normally?
No
Yes
Please check the
compressor
connections
or
winding for short
circuiting or other
troubles.
Yes
No
Check if +15V in
the mainboard is
stable, as well as
1,2 role of 15VA
No
Yes
1. If it is moistened, find out the cause and
take proper measures to prevent moisture.
Dry the
PFV
board
and apply
moisture-proof glue.
2. If it is dirty, find out the cause and take
dustproof measures. If the air quality of
service environment is poor, it is also
required to clear off the dirt periodically.
3. If it is short circuit, find out the cause and
clean the electric box to prevent the iron
scraps or other conductive substances
from attaching on the board.
Record and feed
back
Check if the IPM in
the mainboard is
damaged
Yes
No
Replace the
Mainboard.
Tighten the compressor
wire again and adjust
phase sequence.
DC INVERTER MULTI VRF
MAINTENANCE
2.11 Tripping
Tripping
Check if it is
leakage and
the
switch
changed,
Yes
No
If the switching
capacity can
meet the
requirements?
No
Yes
Tripped once
energized
No
Yes
Check if the
PFC module in
the mainboard
is
short
circuiting.
Yes
Change
the
mainboard, and
check if the AC
contactors
are
blocking,
and
ensure no short
circuiting
between P-N.
The
system
is
abnormal.
Please
check the compressor
connections or winding
for short circuiting or
other troubles.
No
Check if the
relay K8 in
mainboard is
connected.
No
Check if the
IPM module in
the mainboard
is
short
circuiting.
No
Yes
Change
the
mainboard if the
relay
is
damaged.
Yes
Replace
the
Mainboard.
Record and
feed back
Check the
wiring
diagram.
Please mount the
electric
switches
according to the
capacity specified in
the instruction.
In
case
the
leakage flow is
too big, find out
the leakage point
and handle it.
DC INVERTER MULTI VRF
MAINTENANCE
2.12 Radiator overheat protection
E5 displayed on
hand controller
Mainboard nixietube
Monitor display
Radiator
overheat
protection
Display Hc
If the outdoor
unit is in
good
radiation?
No
If the air outlet and air
intake of the outdoor unit
is short circuited, it will
cause
the
radiating
effect to become poor.
Yes
If the radiator
is dirty or
blocked?
Yes
If the radiator is dirty or
blocked, it will cause the
radiating
effect
to
become poor.
No
If the modules
are tightened?
No
If the modules are not
tightened,
excess
temperature could be
caused in the modules
even burning down.
Yes
If the module
is uniformly
coated?
No
The uneven coating of the silicate
gel could result in bad cooling of the
modules, or uneven temperature, or
modules burning down due to the
sensor failed to detect the excess
temperature at some part.
Yes
if the module
silicate gel
meets the
requirement
Yes
Please check if the
sensor
and
its
resistor divider is in
normal condition or
mount the modules
again and tighten
them.
Record and feed
back
No
Too much roller coatings
of the cooling silicate gel
could affect the cooling
effectiveness and even
burn the modules.
DC INVERTER MULTI VRF
MAINTENANCE
2.13 Overvoltage protection of DC voltage
E5 displayed
on hand
controller
Mainboard nixietube
Monitor display
Overvoltage
protection of
DC voltage
Display Hc
If the input
voltage
is
185V-264V?
power
within
No
Yes
If it happens during the
compressor operating?
Yes
No
How many times does
it
happen
within
Yes
No
If it happens during the
compressor frequency
1
reduction?
hour?
No
Yes
Please
check
the
obstruction source if it
cause by obstruction,
and
strengthen
obstruction
anti
measures.
Change the mainboard.
Record and feed
back
It is caused by the speed
reduction
of
the
compressor.
Please
check if the compressor
is in normal condition if
this has been detected.
Please cut off the power
immediately once the
network
voltage
is
excess high, otherwise it
could cause the machine
damaged or breaking out
of fire.
DC INVERTER MULTI VRF
MAINTENANCE
3 Power Distribution
3.1 Principle of Power Distribution
Air switch
Filter
board
Compres
sor
Control signals for temperature sensor,
electronic expansion valve and HV/LV
switch
Mainboard
Indoor
unit
Control signals for 4-way valve, air
bypass and electric heater
(The coarse line refer to control line and the fine line refers to control line)
231
DC INVERTER MULTI VRF
MAINTENANCE
5 EXPLODED VIEWS AND PART LIST
5.1 Exploded Views and Parts List of Outdoor Unit
1) GMV(L)-Pd100W/NaB-K,GMV(L)-Pd120W/NaB-K,GMV(L)-Pd140W/NaB-K,GMV(L)-Pd160W/NaB-K
232
DC INVERTER MULTI VRF
No.
MAINTENANCE
Code
Qty.
1
Front Plate
01435436
1
2
Rear Grill
Top Cover
01475432
1
01255262
1
3
Part Name
4
Condenser Assy
5
Electric Box Cover
6
Clapboard
7
Retaining Plate
01124159①
01124158②
01424235
1
1
01244132
1
01844135
1
8
Electric Box Assy
9
10
Main Board
Filter Board
01394528③
01394799④
01394802⑤
01394797⑥
30226217
30228115
11
capacitance
33010037
2
12
Bipolar Air Switch
46020018
1
13
Terminal Board
42011242
1
1
No.
Connection Pipe
Part Name
05024915
Code
Qty.
15
Inhalation Tube Sub-Assy
04674170
1
16
LOW PRESSURE SWITCH
46020007
1
17
Capillary Sub-Assy
04104154
1
14
1
1
1
18
Capacitor
4312002101
1
19
Gas by-pass valve sub-assy
07334329
1
20
Electromagnetic Valve
43000054
1
21
Rear Side Plate Sub-Assy
01314212
22
Solenoid Coil
4304000403
1
1
23
Handle
26235253
2
24
Connection Pipe
05024911
1
25
Front Side Plate Sub-Assy
01305430
1
26
Connection Pipe
05024916
1
27
Discharge Tube Sub-Assy
04634226
1
28
Pressure Protect Switch
4602000902
1
29
Discharge Tube Sub-Assy
04634227
1
30
High-pressure Accumulator
07228739
1
31
Valve Support Sub-Assy
01715001
1
32
Cut-off Valve
07130209
1
33
Cut-off Valve
34
EXV sub-assy
35
Electric expand vavle
Retaining Plate Sub-Assy
07334102
1
36
01844134
1
37
Compressor
01844134P
1
38
Clapboard
Motor Support
00205224
1
39
01244112
1
40
Base Plate Sub-Assy
01804113
1
41
42
Axial Flow Fan φ472X165
Fan Motor
01194133P
1
2
07103030⑦
07130212⑧
07334161
15013302⑨
1
1
233
DC INVERTER MULTI VRF
43
44
45
46
Capacitor
BOX
Panel Grille
4-wayValveSub-Assy
MAINTENANCE
15704113⑩
01424173
1
22414102
2
04144169
1
43000338
1
4300040029
1
07228767
1
49
Gas-liquid Separator
Support
01804201
1
50
Wiring
40110142
1
51
Connection Wire
4003014301
1
47
48
4-Way Valve
4-way Valve Fittings
52
4300010822
1
Magnet Coil for Electronic Expansion Valve
Note:
1. Condenser Assy ① is only applicable toGMV(L)-Pd100W/NaB-K,GMV(L)-Pd120W/NaB-K
2. Condenser Assy ② is only applicable to GMV(L)-Pd140W/NaB-K,GMV(L)-Pd160W/NaB-K
3. Electric Box Assy ③ is only applicable to GMV(L)-Pd100W/NaB-K
4. Electric Box Assy ④ is only applicable to GMV(L)-Pd120W/NaB-K
5. Electric Box Assy ④ is only applicable to GMV(L)-Pd140W/NaB-K
6. Electric Box Assy ④ is only applicable to GMV(L)-Pd160W/NaB-K
7. Cut-off Valve ⑦ is only applicable to GMV(L)-Pd100W/NaB-K,GMV(L)-Pd120W/NaB-K, GMV(L)-Pd140W/NaB-K
8. Cut-off Valve is ⑧ is only applicable to GMV(L)-Pd160W/NaB-K
9. Fan Motor is only applicable to GMV(L)-Pd100W/NaB-K,GMV(L)-Pd120W/NaB-K,GMV(L)-Pd140W/NaB-K
10. Fan Motor is only applicable to GMV(L)-Pd160W/NaB-K
234
DC INVERTER MULTI VRF
MAINTENANCE
5.2 Exploded Views and Parts List of Indoor Unit
5.2 .1 4-way Cassette Type Unit
( 1 ) GMV(L)-R28T/Na-K, GMV(L)-R36T/Na-K, GMV(L)-R45T/Na-K, GMV(L)-R50T/Na-K, GMV(L)-R56T/Na-K,
GMV(L)-R71T/Na-K, GMV(L)-R80T/Na-K
235
DC INVERTER MULTI VRF
No.
MAINTENANCE
GMV-R28T/Na-K,GMV-R36T/Na-K
Part Name
GMVL-R28T/Na-K,GMVL-R36T/Na-K
Code
Qty.
Code
Qty.
Tube Exit Plate
01382710
1
01382710
1
4
01332701
4
3
Body Fixed Plate
Front Side Plate
01332701
01302717
1
01302717
1
4
Left Side Plate
01302740
1
01302740
1
5
Base Plate
01222702
1
01222702
1
Rear Side Plate
Bottom Foam
01302719
1
01302719
1
52012716
1
52012716
1
Motor Gasket
Bolt
76712711
3
76712711
3
70212701
3
70212701
3
1
01702701
1
11
12
Motor Fixer
Fan Motor
Centrifugal Fan
01702701
15704901
10312721
1
1
15704901
10312721
1
1
13
Evaporator Connection
01072004
1
01072004
1
14
Cable-cross Loop
76513101
2
76513101
2
15
shunt
Water Tray
072287842
1
072287842
1
16
12412701
1
12412701
1
17
Screw
70140032
4
70140032
4
18
Electric Box Base Plate
01412721
1
01412721
1
19
Flow Guide Loop
10372701
1
10372701
1
20
Electric Box
20102701
1
20102701
1
21
Wire Clamp
71010102
4
71010102
4
22
Terminal Board T360B
42011222
1
42011222
1
23
Transformer
43110233
1
43110233
1
24
Electric Box Cover I
20102702
1
20102702
1
25
1
2
6
7
8
9
10
Electric Box Cover II
20102703
1
20102703
1
26
Main Board
30226316
1
30226316
1
27
33010010
1
33010010
1
28
Capacitor
Rubber plug
76712701
1
76712701
1
29
Evaporator
01038778
1
01038778
1
30
Evaporator Support
Nut with Washer M6
01072003
2
01072003
2
70310012
1
70310012
1
32
Bolt subassembly
70210051
1
70210051
1
33
Pipe Pump
43130324
1
43130324
1
34
Pump Gasket
76712702
3
76712702
3
35
31
PJV-1415
Pump Support
01332001
1
01332001
1
36
Water Level Switch
45010201
1
45010201
1
37
Drainage hose
05232721
1
05232721
1
38
01302710
1
01302710
1
39
Right Side Plate
Cable-cross Loop
76512702
1
76512702
1
40
Pump Cover
01252710
1
01252710
1
41
Bolt
70212701
3
70212701
3
1
0713411201/0733428
1
1
42
Electronic
Valve
Pump
Expansive
0713411201/07334
281
236
DC INVERTER MULTI VRF
No.
MAINTENANCE
GMV-R45T/Na-K,GMV-R50T/Na-K
Part Name
GMVL-R45T/Na-K,GMVL-R50T/Na-K
Code
Qty.
Code
Qty.
1
Tube Exit Plate
01382710
1
01382710
1
2
01332701
4
01332701
4
3
Body Fixed Plate
Front Side Plate
01302717
1
01302717
1
4
Left Side Plate
01302740
1
01302740
1
5
Base Plate
01222702
1
01222702
1
6
Rear Side Plate
Bottom Foam
01302719
1
01302719
1
52012716
1
52012716
1
Motor Gasket
Bolt
76712711
3
76712711
3
70212701
3
70212701
3
Motor Fixer
Fan Motor
Centrifugal Fan
01702701
1
01702701
1
11
12
15704901
10312721
1
1
15704901
10312721
1
1
13
7
8
9
10
Evaporator Connection
01072004
1
01072004
1
14
Cable-cross Loop
76513101
2
76513101
2
15
07228807
1
07228807
1
16
shunt
Water Tray
12412701
1
12412701
1
17
Screw
70140032
4
70140032
4
18
Electric Box Base Plate
01412721
1
01412721
1
19
Flow Guide Loop
10372701
1
10372701
1
20
Electric Box
20102701
1
20102701
1
21
Wire Clamp
71010102
4
71010102
4
22
Terminal Board T360B
42011222
1
42011222
1
23
Transformer
43110233
1
43110233
1
24
Electric Box Cover I
20102702
1
20102702
1
25
Electric Box Cover II
20102703
1
20102703
1
26
Main Board
30226316
1
30226316
1
1
33010010
1
28
Capacitor
Rubber plug
33010010
76712701
1
76712701
1
29
Evaporator
01038778
1
01038778
1
30
Evaporator Support
Nut with Washer M6
01072003
2
01072003
2
31
70310012
1
70310012
1
32
Bolt subassembly
70210051
1
70210051
1
33
Pipe Pump
27
34
35
36
43130324
1
43130324
1
Pump Gasket
76712702
3
76712702
3
Pump Support
01332001
1
01332001
1
PJV-1415
Water Level Switch
45010201
1
45010201
1
37
Drainage hose
05232721
1
05232721
1
38
01302710
1
01302710
1
39
Right Side Plate
Cable-cross Loop
76512702
1
76512702
1
40
Pump Cover
01252710
1
01252710
1
41
Bolt
70212701
3
70212701
3
42
Electronic
Valve
0713411201/07334
281
1
0713411201/07334
281
1
Pump
Expansive
237
DC INVERTER MULTI VRF
No.
Part Name
MAINTENANCE
GMV-R56/63/71/80T/Na-K
Qty.
Code
Qty.
Tube Exit Plate
01382711
1
01382711
1
4
01332701
4
3
Body Fixed Plate
Front Side Plate
01332701
01302718
1
01302718
1
4
Left Side Plate
01302715
1
01302715
1
Base Plate
01222702
1
01222702
1
Rear Side Plate
Bottom Foam
01302714
1
01302714
1
52012711
1
52012711
1
Motor Gasket
Bolt
76712711
3
76712711
3
70212701
3
70212701
3
10
11
12
Motor Fixer
Fan Motor
Centrifugal Fan
01702701
1
01702701
1
1
1
Evaporator Connection
15704102
10312705
01072710
1
1
13
15704102
10312705
01072710
14
Cable-cross Loop
76513101
2
76513101
2
1
07228806
1
16
shunt
Water Tray
07228806
12412701
1
12412701
1
17
Screw
70140032
4
70140032
4
18
Electric Box Base Plate
01412721
19
Flow Guide Loop
10372701
1
10372701
1
20
Electric Box
20102701
1
20102701
1
21
Wire Clamp
71010102
4
71010102
4
22
Terminal Board T360B
42011222
1
42011222
1
23
Transformer
43110233
1
43110233
1
24
25
Electric Box Cover I
20102702
1
20102702
1
Electric Box Cover II
20102703
1
20102703
1
Main Board
30226316
1
30226316
1
33010010
1
33010010
1
28
Capacitor
Rubber plug
1
76712701
1
29
Evaporator
01004641
1
01004641
1
30
31
Evaporator Support
Nut with Washer M6
01072715
2
1
01072715
2
1
32
33
Bolt subassembly
1
2
5
6
7
8
9
15
26
27
Pipe Pump
Code
GMVL-R56/63/71/80T/Na-K
76712701
PJV-1415
70310012
70210051
43130324
1
1
01412721
1
1
1
70310012
70210051
1
43130324
1
3
76712702
3
1
1
Pump Gasket
76712702
Pump Support
01332001
1
01332001
36
Water Level Switch
45010201
1
45010201
1
37
38
Drainage hose
05232721
1
05232721
1
1
01302716
1
1
34
35
Pump
01302716
39
Right Side Plate
Cable-cross Loop
76512702
1
76512702
40
Pump Cover
01252711
1
01252711
1
41
Bolt
70212701
3
70212701
3
1
0713411401
1
42
Electronic Expansive Valve
0713411401
238
DC INVERTER MULTI VRF
MAINTENANCE
(2) GMV(L)-R90T/Na-K,GMV(L)-R112T/Na-K,GMV(L)-R125T/Na-K
239
DC INVERTER MULTI VRF
No.
1
MAINTENANCE
Part Name
GMV-R90/112/125/Na-K
Code
Qty.
GMVL-R90/112/125/Na-K
Code
Qty.
Tube Exit Plate
01382711
1
01382711
1
4
01332701
4
3
Body Fixed Plate
Front Side Plate
01332701
01302713
1
01302713
1
4
Left Side Plate
`01302711
1
`01302711
1
5
Base Plate
01222702
1
01222702
1
Rear Side Plate
Bottom Foam
01302709
1
01302709
1
52012717
1
52012717
1
76712711
3
76712711
3
70212701
3
70212701
3
1
01702701
1
11
12
Motor Fixer
Fan Motor
Centrifugal Fan
01702701
15704103
10310101
1
1
15704103
10310101
1
1
13
Evaporator Connection
01072733
1
01072733
1
14
Cable-cross Loop
76512702
2
76512702
2
15
shunt
Electronic Expansive Valve
07228804
1
07228804
1
16
`07334102
1
`07334102
1
17
Water Tray
12412701
1
12412701
1
18
Screw
70140032
4
70140032
4
19
Electric Box Base Plate
01412721
1
01412721
1
20
Flow Guide Loop
10372701
1
10372701
1
21
Electric Box
20102701
1
20102701
1
22
Wire Clamp
71010102
4
71010102
4
23
Terminal Board T360B
42011142
1
42011142
1
24
Transformer
43110233
1
43110233
1
25
2
6
7
8
9
10
Motor Gasket
Bolt
Electric Box Cover I
20102702
1
20102702
1
26
Electric Box Cover II
20102703
1
20102703
1
27
Main Board
30226316
1
30226316
1
28
Capacitor
Rubber plug
33010012
1
33010012
1
29
76712701
1
76712701
1
30
Evaporator
01004640
1
01004640
1
31
Evaporator Support
Nut with Washer M6
01072708
2
01072708
2
32
70310012
1
70310012
1
33
Bolt subassembly
70210051
1
70210051
1
34
Pipe Pump
43130324
1
43130324
1
35
PJV-1415
Pump Gasket
76712702
3
76712702
3
36
Pump Support
01332001
1
01332001
1
37
Water Level Switch
45010201
1
45010201
1
38
Drainage hose
05232721
1
05232721
1
39
Right Side Plate
Cable-cross Loop
01302716
1
01302716
1
40
76512702
1
76512702
1
41
Pump Cover
01252711
1
01252711
1
42
Bolt
70212701
3
70212701
3
Pump
240
DC INVERTER MULTI VRF
MAINTENANCE
(3)GMV-R22T/NaA-K、GMVL-R22T/NaA –K、GMV-R28T/NaA-K、GMVL-R28T/NaA -Kexploded views
241
DC INVERTER MULTI VRF
MAINTENANCE
Product Code
CM500N0100
1
Display Board
1
30296309
2
Water Tray
1
20182703
3
Water Tray Foam for Fresh Air Intaking
1
12312702
4
Water Tray Foam
1
12312703
5
Fan Fixer
1
76712709
6
Centifugal Fan
1
10312702
7
Motor FN11T-1
1
15704114
8
Evap Support
1
01844136
9
Evaporator Assy
1
010027071
10
Motor Support
1
01702702
11
Motor Gasket
1
76712705
12
Water Tray support
1
01332706
13
Front Side Plate
1
01302741
14
Body Fixer
1
01332705
15
Right Side Plate
1
01302743
16
Tube-exit plate
1
01382719
17
Cable-cross Loop
1
76515202
18
Noise Elimination Box
1
07444103
19
Electronic Expansion Valve
1
07334282
20
Expansion Valve Winding
1
4304000101
21
Wire Clamp
2
71010102
22
Electric Box Assy
1
01394806
23
1
1
42011106
24
Terminal Board
Transformer
25
Capacitor
1
33010026
26
Main PCB Z6G25C
1
30226199
27
Electric Box Cover
1
01424238
28
Base Plate
1
01222712
29
Cord Baffle Plate
1
01362701
30
CBB61 2.5uF/450VAC
43110226
Connecting Wire
1
40010232
31
Left Baffle Plate
1
01362703
32
Evap Connection
1
01072713
33
Water Level Switch Support
1
24212705
34
Right Baffle Plate
1
01362702
35
Water Level Switch
1
45012701
36
Pump Gasket 1
1
76712707
37
Pump Gasket 2
1
76712708
38
Pump Drainage
1
05232722
39
Pump Support
1
1332707
40
Water Pump PSB-7
1
43130320
41
Wire Clamp
1
71010105
242
DC INVERTER MULTI VRF
MAINTENANCE
(4)GMV-R36T/NaA -K、GMVL-R36T/NaA -K、GMV-R45T/NaA -K、GMVL-R45T/NaA -K、exploded views
243
DC INVERTER MULTI VRF
MAINTENANCE
Product Code
CM500N0120
1
Display Board
1
30296309
2
Water Tray
1
20182703
3
Water Tray Foam for Fresh Air Intaking
1
12312702
4
Water Tray Foam
1
12312703
5
Fan Fixer
1
76712709
6
Centifugal Fan
1
10312702
7
Motor FN11T-1
1
15704114
8
Evap Support
1
01072714
9
Evaporator Assy
1
01029608
10
Motor Support
1
01702702
11
Motor Gasket
1
76712705
12
Water Tray support
1
01332706
13
Front Side Plate
1
01302741
14
Body Fixer
1
01332705
15
Right Side Plate
1
01302743
16
Tube-exit plate
1
01382719
17
Cable-cross Loop
1
76515202
18
Noise Elimination Box
1
07444103
19
Electronic Expansion Valve
1
07334282
20
Expansion Valve Winding
1
4304000101
21
Wire Clamp
2
71010102
22
Electric Box Assy
1
01394806
23
1
1
42011106
24
Terminal Board
Transformer
25
Capacitor
1
33010026
26
Main PCB Z6G25C
1
30226199
27
Electric Box Cover
1
01424238
28
Base Plate
1
01222712
29
Cord Baffle Plate
Connecting Wire
1
Left Baffle Plate
1
1
01362701
40010232
01362703
32
Evap Connection
1
01072713
33
Water Level Switch Support
1
24212705
34
Right Baffle Plate
1
01362702
35
Water Level Switch
1
45012701
36
Pump Gasket 1
1
76712707
37
Pump Gasket 2
1
76712708
38
Pump Drainage
1
05232722
39
Pump Support
1
1332707
40
Water Pump PSB-7
1
43130320
1
71010105
30
31
41
CBB61 2.5uF/450VAC
Wire Clamp
Note:① is only the part of GMV-R28T/NaA-K;
② is only the part of GMVL-R36T/NaA-K;
43110226
244
DC INVERTER MULTI VRF
MAINTENANCE
5.2 .2 Duct Type Unit
(1)GMV(L)-R22P/Na-K,GMV(L)-R25P/Na-K,GMV(L)-R28P/Na-K,GMV(L)-R32P/Na-K,GMV(L)-R36P/Na-K
245
DC INVERTER MULTI VRF
No.
Part Name
MAINTENANCE
GMV(L)-R22P/Na-K,GMV(L)-R25P/N
a-K
GMV(L)-R28P/Na-K,GMV(L)-R32P/
Na-K,GMV(L)-R36P/Na-K
Code
Qty.
Code
Qty.
1
Top Cover Sub-assy
01259052
1
01259052
1
2
Hook
02112446
2
02112446
2
3
Seal of Left Side Plate Sub-assy
01499051
1
01499051
1
4
Seal of Connection Pipe Sub-assy
01499053
1
01499053
1
5
Electric Box Assy
01408739
1
01394605
1
6
Left Side Plate Sub-assy
01308788
1
01308788
1
7
Left Support of Evaporator
01078774
1
01078774
1
8
Liquid-entered Pipe Sub-assy
03334601
1
03338810
1
9
Collect Gas Pipe Sub-assy
01305018
1
04674609
1
10
Evaporator Sub-assy
11
12
Fan Fixed Plate Sub-assy
Centrifugal fan
01038785
01339095
10319051
1
1
1
01038786
01339095
10319051
1
1
1
13
Return air inlet side-board Sub-assy
01499055
1
01499055
1
14
Motor
15019053
1
15019522
1
15
Centrifugal fan
10319051
1
10319051
1
16
Bottom Cover
01259086
1
01259086
1
17
Cover of Air-in
01259056
1
01259056
1
18
Water Tray
01279051
1
01279051
1
19
Right Side Plate Sub-assy
01309055
1
01309055
1
20
Hook
02112446
2
02112446
2
21
Left Support of Evaporator
01079056
1
01079056
1
22
Return air inlet side-board Sub-assy
01498783
1
01498783
1
Assy
246
DC INVERTER MULTI VRF
MAINTENANCE
(2)GMV(L)-R40P/Na-K,GMV(L)-R45P/Na-K,GMV(L)-R50P/Na-K
247
DC INVERTER MULTI VRF
No.
Part Name
MAINTENANCE
GMV(L)-R40P/Na-K,GMV(L)-R45P/Na-K,GMV(L)-R50P/Na-K
Code
Qty.
1
Top Cover Sub-assy
01259064
1
2
Hook
02112446
2
3
Seal of Connection Pipe 2
01498644
1
4
Seal of Connection Pipe 1
01498604
1
5
Electric Box Assy
01404688
1
6
Left Side Plate Sub-assy
01308668
1
7
Left Support of Evaporator
01078629
1
8
Liquid-entered Pipe Sub-assy
04324601
1
9
Collect Gas Pipe Sub-assy
04674601
1
10
11
12
13
Evaporator Sub-assy
Fan Fixed Plate Sub-assy
Centrifugal fan
Return air inlet Sub-assy
01038623
01339058
10319051
1
1
1
01499061
1
14
Motor FG70B
15018322
1
15
Centrifugal fan
10319051
1
16
Bottom Cover
01258649
1
17
Cover of Air-in
01258650
1
18
Water Tray Sub-assy
01278633
1
19
Right Side Plate Sub-assy
01308670
1
20
Hook
02112446
2
21
Left Support of Evaporator
01078625
1
22
Return air inlet Sub-assy
01498641
1
248
DC INVERTER MULTI VRF
MAINTENANCE
(3)GMV(L)-R56P/Na-K,GMV(L)-R63P/Na-K,GMV(L)-R71P/Na-K,GMV(L)-R80P/Na-K
249
DC INVERTER MULTI VRF
No.
MAINTENANCE
Part Name
GMV(L)-R56P/Na-K,GMV(L)-R63P/Na-K,GMV(L)-R71
P/Na-K,GMV(L)-R80P/Na-K
Code
Qty.
1
Top Cover Sub-assy
01258652
1
2
Hook
02118504
2
3
Left Side Seal-hole Plate Sub-assy
01308680
1
4
Seal of Connection Pipe
01498610
1
5
Electric Box Assy
01394609
1
6
Left Side Plate Sub-assy
01308676
1
7
Left Support of Evaporator
01078603
1
8
Liquid-entered Pipe Sub-assy
04324603
1
9
Collect Gas Pipe Sub-assy
04674602
1
10
Evaporator Sub-assy
01054601
1
11
Fan Fixed Plate Sub-assy
01338631
1
12
Fan Motor (Left)SYP-200/190J-1
15018603
1
13
Return air inlet side-board Sub-assy
01499074
1
14
Motor FG150B
15018612
1
15
Fan motor (Right)SYP-200/190J-1
15018604
1
16
Bottom Cover
01258612
1
17
Cover of Air-in
01258614
1
18
Water Tray Assy
01278612
1
19
Right Side Plate Sub-assy
01308677
1
20
Hook
02118504
2
21
Left Support of Evaporator
01078604
1
22
Return air inlet Sub-assy
01498612
1
250
DC INVERTER MULTI VRF
MAINTENANCE
(4)GMV(L)-R90P/Na-K,GMV(L)-R100P/Na-K,GMV(L)-R112P/Na-K,GMV(L)-R125P/Na-K,GMV(L)-R140P/Na-K
251
DC INVERTER MULTI VRF
No.
MAINTENANCE
Part Name
GMV(L)-R90P/Na-K,GMV(L)-R100P/Na-K,GMV(L)-R11
2P/Na-K,GMV(L)-R125P/Na-K,GMV(L)-R140P/Na-K
Code
Qty.
1
Top Cover Sub-assy
01258606
1
2
Hook
02118504
2
3
Left Side Seal-hole Plate Sub-assy
01308673
1
4
Seal of Connection Pipe
01498601
1
5
Electric Box Assy
01394602
1
6
Left Side Plate Sub-assy
01308676
1
7
Left Support of Evaporator
01078603
1
8
Liquid-entered Pipe Sub-assy
03338802
1
9
Collect Gas Pipe Sub-assy
04674608
1
10
Evaporator Sub-assy
01038624
1
11
Fan Fixed Plate Sub-assy
01338630
1
12
Motor FG75B
15018613
13
Fan Motor (Left)SYP-200/190J-1
15018603
2
14
Return air inlet side-board Sub-assy
01499066
1
15
Motor FG150B
15018612
1
16
Fan motor (Right)SYP-200/190J-1
15018604
1
17
Bottom Cover Assy
01258603
1
18
Cover of Air-in
01258602
1
19
Water Tray Assy
01278603
1
20
Right Side Plate Sub-assy
01308677
1
21
Hook
02118504
2
22
Left Support of Evaporator
01078604
1
23
Return air inlet Sub-assy
01498608
1
252
DC INVERTER MULTI VRF
MAINTENANCE
GMV(L)-R22P/NaB-K, GMV(L)-R22PS/NaB-K, GMV(L)-R28P/NaB-K, GMV(L)-R28PS/NaB-K, GMV(L)
-R36P/NaB-K, GMV(L)-R36PS/NaB-K,☆GMV(L)-R45P/NaB-K, GMV(L)-R45PS/NaB-K, GMV(L)-R56P/NaB-K,
GMV(L)-R56PS/NaB-K, GMV(L)-R71P/NaB-K, GMV(L)-R71PS/NaB-K
DC INVERTER MULTI VRF
MAINTENANCE
List of components
No
Name
Material Code
1
Side Plate of Air outlet
2
3
Qty
GMVL-R22P/NaB-K
GMVL-R28P/NaB-K
GMVL-R36P/NaB-K
01494118
1
1
1
Left Support of
Evaporator
01094122
1
1
1
Evaporator Assy
01024231
01024232
1
1
1
43040001
1
1
1
Electric expand valve
fitting
Right Support of
Evaporator
Left Side Plate Sub
-assy
Seal of left side Plate
Sub-assy
Seal of Connection Pipe
Sub-assy
01094121
1
1
1
01314172
1
1
1
01494115
1
1
1
01494132
1
1
1
9
Hook
02112446
4
4
4
10
Electric Box Cover
01424319
1
1
11
Top Cover Board Assy
01264176
1
1
1
12
Right Side Plate Sub
-assy
01314175
1
1
1
13
Motor Support
0170905801
1
1
1
14
Fan Motor
1570520103
1
1
1
15
Motor Sub-assy
150024011
1
1
1
16
Border Plate Assy of
Air Return End
02225234
1
1
1
17
Filter
11725202
1
1
1
18
Electric Box
01394991
1
1
1
01264178
1
1
1
01324341
1
1
1
4
5
6
7
8
19
20
Lower Cover Plate
Sub-assy
Fan motor mounting
Plate Sub-assy
1570520201
21
Water Pump Assy
15404117
0
0
0
22
Terminal Border
42011106
1
1
1
23
Capacitor
33010027
1
1
1
24
Transformer
43110237
1
1
1
25
Main Bord
30226167
1
1
1
26
Connecting Wire
4001039509
1
1
1
27
Display Bord
30296013
1
1
1
28
Sensor sub-assy
39008026
1
1
1
254
DC INVERTER MULTI VRF
MAINTENANCE
No
Name
Material Code
1
Side Plate of Air outlet
2
Left Support of
Evaporator
3
Evaporator Assy
Qty
GMVL-R22PS/NaB-K
GMVL-R28PS/NaB-K
GMVL-R36PS/NaB-K
01494118
1
1
1
01094122
1
1
1
01024231
01024230
01024232
1
43040001
1
1
1
1
1
Electric expand valve
fitting
Right Support of
Evaporator
Left Side Plate Sub
-assy
Seal of left side Plate
Sub-assy
Seal of Connection Pipe
Sub-assy
01094121
1
1
1
01314172
1
1
1
01494115
1
1
1
01494116
1
1
1
9
Hook
02112446
4
4
4
10
Electric Box Cover
01424319
1
1
11
Top Cover Board Assy
01264176
1
1
1
12
Right Side Plate Sub
-assy
01314175
1
1
1
13
Motor Support
0170905801
1
1
1
14
Fan Motor
1570520103
1
1
1
15
Motor Sub-assy
150024011
1
1
1
16
Border Plate Assy of
Air Return End
02225234
1
1
1
17
Filter
11725202
1
1
1
18
Electric Box
01394994
1
1
1
01264178
1
1
1
01324341
1
1
1
4
5
6
7
8
19
20
Lower Cover Plate
Sub-assy
Fan motor mounting
Plate Sub-assy
1570520201
21
Water Pump Assy
15404117
1
1
1
22
Terminal Border
42011106
1
1
1
23
Capacitor
33010027
1
1
1
24
Transformer
43110237
1
1
1
25
Main Bord
30226221
1
1
1
26
Connecting Wire
4001039509
1
1
1
27
Display Bord
30296013
1
1
1
28
Sensor sub-assy
39008026
1
1
1
255
DC INVERTER MULTI VRF
MAINTENANCE
No
Name
Material Code
1
Side Plate of Air outlet
2
3
Qty
GMV-R22P/NaB-K
GMV-R28P/NaB-K
GMV-R36P/NaB-K
01494118
1
1
1
Left Support of
Evaporator
01094122
1
1
1
Evaporator Assy
01024231
01024232
1
1
1
43040001
1
1
1
Electric expand valve
fitting
Right Support of
Evaporator
Left Side Plate Sub
-assy
Seal of left side Plate
Sub-assy
Seal of Connection Pipe
Sub-assy
01094121
1
1
1
01314172
1
1
1
01494115
1
1
1
01494132
1
1
1
9
Hook
02112446
4
4
4
10
Electric Box Cover
01424319
1
1
11
Top Cover Board Assy
01264176
1
1
1
12
Right Side Plate Sub
-assy
01314175
1
1
1
13
Motor Support
0170905801
1
1
1
14
Fan Motor
1570520103
1
1
1
15
Motor Sub-assy
150024011
1
1
1
16
Border Plate Assy of
Air Return End
02225234
1
1
1
17
Filter
11725202
1
1
1
18
Electric Box
01394978
1
1
1
01264178
1
1
1
01324341
1
1
1
4
5
6
7
8
19
20
Lower Cover Plate
Sub-assy
Fan motor mounting
Plate Sub-assy
1570520201
21
Water Pump Assy
15404117
0
0
0
22
Terminal Border
42011106
1
1
1
23
Capacitor
33010027
1
1
1
24
Transformer
43110237
1
1
1
25
Main Bord
30226168
1
1
1
26
Connecting Wire
4001039509
1
1
1
27
Display Bord
30296014
1
1
1
28
Sensor sub-assy
39008026
1
1
1
256
DC INVERTER MULTI VRF
MAINTENANCE
No
Name
Material Code
1
Side Plate of Air outlet
2
3
Qty
GMV-R22PS/NaB-K
GMV-R28PS/NaB-K
GMV-R36PS/NaB-K
01494118
1
1
1
Left Support of Evaporator
01094122
1
1
1
01024231
01024230
01024232
1
Evaporator Assy
1
1
4
Electric expand valve fitting
43040001
1
1
1
5
Right Support of Evaporator
01094121
1
1
1
6
Left Side Plate Sub-assy
01314172
1
1
1
7
Seal of left side Plate Sub-assy
01494115
1
1
1
8
Seal of left Connection Pipe
Sub-assy
01494116
1
1
1
9
Hook
02112446
4
4
4
10
Electric Box Cover
01424319
1
1
11
Top Cover Board Assy
01264176
1
1
1
12
Right Side Plate Sub
-assy
01314175
1
1
1
13
Motor Support
0170905801
1
1
1
14
Fan Motor
1570520103
1
1
1
15
Motor Sub-assy
150024011
1
1
1
16
Border Plate Assy of Air
Return End
02225234
1
1
1
17
Filter
11725202
1
1
1
18
Electric Box
01394977
1
1
1
19
Lower Cover Plate Sub-assy
01264178
1
1
1
20
Fan motor mounting Plate
Sub-assy
01324341
1
1
1
21
Water Pump Assy
15404117
1
1
1
22
Terminal Border
42011106
1
1
1
23
Capacitor
33010027
1
1
1
24
Transformer
43110237
1
1
1
25
Main Bord
30226222
1
1
1
26
Connecting Wire
4001039509
1
1
1
27
Display Bord
30296014
1
1
1
28
Sensor sub-assy
39008026
1
1
1
1570520201
257
DC INVERTER MULTI VRF
MAINTENANCE
No
Name
Material Code
1
Side Plate of Air outlet
2
Qty
GMVL-R45PS/NaB-K
GMVL-R45P/NaB-K
01498641
1
1
Left Support of Evaporator
01805280
1
1
3
Evaporator Sub-assy
01024211
1
1
4
Electric expand valve fitting
43040001
1
1
5
Right Support of Evaporator
01078625
1
1
6
Left Side Plate Sub-assy
01314230
1
1
7
Seal of left side Plate Sub-assy
01494128
1
1
8
Seal of Connection Pipe Sub-assy
01498640
1
1
9
Hook
02112466
4
4
10
Electric Box Cover
01425249
1
1
11
Top Cover Board Assy
01259064
1
1
12
Right Side Plate Sub-assy
01308670
1
1
13
Motor Support
01709056
1
1
14
Fan Motor
1501832202
1
1
15
Motor Sub-assy
15002401
2
2
16
Border Plate Assy of Air Return End
02225234
1
1
17
Filter
11725202
1
1
18
Electric Box
01394739
1
1
19
Lower Cover Plate Sub-assy
01265296
1
1
20
Fan motor mounting Plate Sub-assy
01339058
1
1
21
Water Pump Assy
15404121
1
0
22
Terminal Border
42011106
1
1
23
Capacitor
33010010
1
1
24
Transformer
43110237
1
1
25
Main Bord
30226221
1
26
Connecting Wire
4001039509
1
1
27
Display Bord
30296013
1
1
28
Sensor sub-assy
39004167
1
1
30226167
1
258
DC INVERTER MULTI VRF
MAINTENANCE
No
Name
Material Code
1
Side Plate of Air outlet
2
Qty
GMV-R45PS/NaB-K
GMV-R45P/NaB-K
01498641
1
1
Left Support of Evaporator
01805280
1
1
3
Evaporator Assy
01024211
1
1
4
Electric expand valve fitting
43040001
1
1
5
Right Support of Evaporator
01078625
1
1
6
Left Side Plate Sub-assy
01314230
1
1
7
Seal of left side Plate Sub-assy
01494128
1
1
8
Seal of Connection Pipe Sub-assy
01498640
1
1
9
Hook
02112466
4
4
10
Electric Box Cover
01425249
1
1
11
Top Cover Board Assy
01259064
1
1
12
Right Side Plate Sub
-assy
01308670
1
1
13
Motor Support
01709056
1
1
14
Fan Motor
1501832202
1
1
15
Motor Sub-assy
15002401
2
2
16
Border Plate Assy of Air Return End
02225234
1
1
17
Filter
11725202
1
1
18
Electric Box
01394739
1
1
19
Lower Cover Plate Sub-assy
01265296
1
1
20
Fan motor mounting Plate Sub-assy
01339058
1
1
21
Water Pump Assy
15404121
1
0
22
Terminal Border
42011106
1
1
23
Capacitor
33010010
1
1
24
Transformer
43110237
1
1
25
Main Bord
30226222
1
26
Connecting Wire
4001039509
1
1
27
Display Bord
30296014
1
1
28
Sensor sub-assy
39004167
1
1
30226168
1
259
DC INVERTER MULTI VRF
MAINTENANCE
No
Name
Material Code
1
Side Plate of Air outlet
2
Qty
GMVL-R56P/NaB-K
GMVL-R71P/NaB-K
01499074
1
1
Left Support of Evaporator
01078603
1
1
3
Evaporator Assy
01024221
1
1
4
Electric expand valve fitting
43040001
1
1
5
Right Support of Evaporator
01078604
1
1
6
Left Side Plate Sub-assy
01315255
1
1
7
Seal of left side Plate Sub-assy
01308680
1
1
8
Seal of left Connection Pipe
Sub-assy
01498610
1
1
9
Hook
02112466
4
4
10
Electric Box Cover
01425249
1
1
11
Top Cover Board Assy
01258651
1
1
12
Right Side Plate Sub
-assy
01308679
1
1
13
Motor Support
01708502
1
1
14
Fan Motor
1570521101
1
1
15
Motor Sub-assy
15018603
1
1
15018604
1
1
16
Border Plate Assy of Air Return
End
01499074
1
1
17
Filter
11129066
1
1
18
Electric Box
01394962
1
1
19
Lower Cover Plate Sub-assy
01258612
1
1
20
Fan motor mounting Plate Sub-assy
01338632
1
1
21
Water Pump Assy
15404119
0
0
22
Terminal Border
42011106
1
1
23
Capacitor
33010014
1
1
24
Transformer
43110239
1
1
25
Main Bord
30226167
1
1
26
Connecting Wire
4001039509
1
1
27
Display Bord
30296013
1
1
28
Sensor sub-assy
39004167
1
1
260
DC INVERTER MULTI VRF
MAINTENANCE
No
Name
Material Code
1
Side Plate of Air outlet
2
Qty
GMVL-R56PS/NaB-K
GMVL-R71PS/NaB-K
01499074
1
1
Left Support of Evaporator
01078603
1
1
3
Evaporator Sub-assy
01024234
1
1
4
Electric expand valve fitting
43040001
1
1
5
Right Support of Evaporator
01078604
1
1
6
Left Side Plate Sub-assy
01314225
1
1
7
Seal of left side Plate Sub-assy
01494131
1
1
8
Seal of left Connection Pipe
Sub-assy
01494129
1
1
9
Hook
02112466
4
4
10
Electric Box Cover
01425249
1
1
11
Top Cover Board Assy
01258651
1
1
12
Right Side Plate Sub
-assy
01308679
1
1
13
Motor Support
01708502
1
1
14
Fan Motor
1570521101
1
1
15
Motor Sub-assy
15018603
1
1
15018604
1
1
16 Border Plate Assy of Air Return End
01499074
1
1
17
Filter
11129066
1
1
18
Electric Box
01394997
1
1
19
Lower Cover Plate Sub-assy
01258612
1
1
20 Fan motor mounting Plate Sub-assy
01324350
1
1
21
Water Pump Assy
15404119
1
1
22
Terminal Border
42011106
1
1
23
Capacitor
33010014
1
1
24
Transformer
43110239
1
1
25
Main Bord
30226221
1
1
26
Connecting Wire
4001039509
1
1
27
Display Bord
30296013
1
1
28
Sensor sub-assy
39004167
1
1
261
DC INVERTER MULTI VRF
MAINTENANCE
No
Name
Material Code
1
Side Plate of Air outlet
2
Qty
GMV-R56P/NaB-K
GMV-R71P/NaB-K
01499074
1
1
Left Support of Evaporator
01078603
1
1
3
Evaporator Sub-assy
01024234
1
1
4
Electric expand valve fitting
43040001
1
1
5
Right Support of Evaporator
01078604
1
1
6
Left Side Plate Sub-assy
01314225
1
1
7
Seal of left side Plate Sub-assy
01494131
1
1
8
Seal of left Connection Pipe Sub-assy
01494129
1
1
9
Hook
02112466
4
4
10
Electric Box Cover
01425249
1
1
11
Top Cover Board Assy
01258651
1
1
12
Right Side Plate Sub-assy
01308679
1
1
13
Motor Support
01708502
1
1
14
Fan Motor
1570521101
1
1
15
Motor Sub-assy
15018603
1
1
15018604
1
1
16
Border Plate Assy of Air Return End
01499074
1
1
17
Filter
11129066
1
1
18
Electric Box
01394997
1
1
19
Lower Cover Plate Sub-assy
01258612
1
1
20
Fan motor mounting Plate Sub-assy
01324350
1
1
21
Water Pump Assy
15404119
0
0
22
Terminal Border
42011106
1
1
23
Capacitor
33010014
1
1
24
Transformer
43110239
1
1
25
Main Bord
30226168
1
1
26
Connecting Wire
4001039509
1
1
27
Display Bord
30296014
1
1
28
Sensor sub-assy
39004167
1
1
262
DC INVERTER MULTI VRF
MAINTENANCE
Qty
No
Name
Material Code
GMVL-R56PS/NaB-K
☆GMV-R56PS/NaB-K
GMVL-R71PS/NaB-K
☆GMV-R71PS/NaB-K
1
Side Plate of Air outlet
01499074
1
1
2
Left Support of Evaporator
1
1
1
1
1
3
Evaporator Assy
01078603
☆01805279
01024234
4
Electric expand valve fitting
43040001
1
5
Right Support of Evaporator
01078604
1
1
6
Left Side Plate Sub-assy
01314225
1
1
7
Seal of left side Plate Sub-assy
01494131
1
1
8
Seal of Connection Pipe Sub-assy
01494129
1
1
9
Hook
02112466
4
4
10
Electric Box Cover
01425249
1
1
11
Top Cover Board Assy
01258651
1
1
12
Right Side Plate Sub
-assy
01308679
1
1
13
Motor Support
01708502
1
1
14
Fan Motor
1570521101
1
1
15
Motor Sub-assy
15018603
1
1
15018604
1
1
16
Border Plate Assy of Air Return End
01499074
1
1
17
Filter
1
1
18
Electric Box
1
1
19
Lower Cover Plate Sub-assy
01258612
1
1
20
Fan motor mounting Plate Sub-assy
01324350
1
1
21
Water Pump Assy
15404119
1
1
22
Terminal Border
42011106
1
1
23
Capacitor
33010014
1
1
24
Transformer
43110239
1
1
1
1
1
1
1
1
39004167
1
1
☆305125063
☆1
☆1
25
Main Bord
26
Connecting Wire
27
Display Bord
28
Sensor sub-assy
☆29 ☆Remote Controller
11129066/
☆11129067
01394997
☆01394739
30226221
☆30226222
4001039509
/☆40010232
30296013
☆30296014
263
DC INVERTER MULTI VRF
MAINTENANCE
☆GMV(L)-R90P/NaB-K, GMV(L)-R90PS/NaB-K, GMV(L)-R112P/NaB-K, GMV(L)-R112PS/NaB-K, GMV
(L)-R140P/NaB-K, GMV(L)-R140PS/NaB-K
264
DC INVERTER MULTI VRF
MAINTENANCE
Qty
No
Name
Material Code
1
Air outlet side board assy
01498608
1
1
1
2
Water pump assy
15404119
0
0
0
3
Water level switch
45010201
0
0
0
4
Electric expand valve fitting
43040001
1
1
1
5
Evaporator assy
01024222
01024218
01805279
01804703
01324356
01804703
01258607
01264627
01078604
01805221
1
1
1
1
1
1
1
1
1
1
6
7
8
Left support of evaporator
Fan motor mounting Plate
Sub-assy
Top Cover Board Assy
GMVL-R90P/NaB-K GMVL-R112P/NaB-K GMVL-R140P/NaB-K
1
1
1
1
9
Right support of evaporator
10
Right Side Plate Sub-assy
01308679
1
1
11
Air intake side-board sub-assy
01375221
1
1
1
12
Filter Sub-assy
11725205
1
1
1
13
Fan Motor
15018603
2
2
2
14
Fan Motor
15018604
1
1
1
15
Motor
1570521101
1570520901
1570521201
1570521001
01258603
0125860301
1
1
1
1
1
1
16
Motor
1
1
1
17
Bottom cover plate assy
18
Cover of air-in
01258602
1
1
19
Water tray assy
01278603
01285229
1
1
20
Electric box assy
01394963
01394964
33010014
33010056
1
1
1
1
1
1
1
1
1
1
21
Capacitor
22
Capacitor
33010064
1
23
Terminal board
42011106
1
1
1
24
Transformer
43110239
1
1
1
25
Main board
30226167
1
1
1
26
Electric box cover
01425249
1
1
1
27
Seal of lefr side plate sub-assy
01308672
01495212
1
1
28
Left side plate assy
01315255
1
1
29
Seal of connection pipe
01498601
01495213
1
1
30
Hook
02118504
4
4
4
31
Connecting Wire
4001039509
1
1
1
32
Display board
30296013
1
1
1
33
Sersor sub-assy
39004167
1
1
1
1
1
1
1
265
DC INVERTER MULTI VRF
MAINTENANCE
Qty
No
Name
Material Code
1
Air outlet side board assy
01498608
1
1
15404119
15404118
45010201
450102012
1
1
1
1
43040001
1
1
01024233
01024218
01805279
01804703
01324356
01325293
01258607
01264627
01078604
01805221
1
1
1
1
1
1
1
1
1
1
01308679
1
1
11 Air intake side-board sub-assy
01375221
1
1
1
12
Filter Sub-assy
11725205
1
1
1
13
Fan Motor
15018603
2
2
2
14
Fan Motor
15018604
1
1
1
15
Motor
1570521101
1570520901
1570521201
1570521001
01258603
0125860301
1
1
1
1
1
1
2
Water pump assy
3
Water level switch
4
Electric expand valve fitting
5
Evaporator assy
6
Left support of evaporator
7
Fan motor mounting Plate
Sub-assy
8
Top Cover Board Assy
9
Right support of evaporator
10
Right Side Plate Sub-assy
16
Motor
GMVL-R90PS/NaB-K GMVL-R112PS/NaB-K GMVL-R140PS/NaB-K
1
1
1
1
1
1
1
1
1
1
1
17
Bottom cover plate assy
18
Cover of air-in
01258602
1
1
19
Water tray assy
01284160
01284157
1
1
20
Electric box assy
01394998
01394999
33010014
33010056
1
1
1
1
1
1
1
1
21
Capacitor
22
Capacitor
33010064
1
1
1
23
Terminal board
42011106
1
1
1
24
Transformer
43110239
1
1
1
25
Main board
30226221
1
1
1
26
Electric box cover
01425249
1
1
1
01494125
01494121
01494124
01314222
01494123
01494120
1
1
1
1
1
1
27 Seal of lefr side plate sub-assy
28
Left side plate assy
1
1
1
29
Seal of connection pipe
30
Hook
02118504
4
4
4
31
Connecting Wire
4001039509
1
1
1
32
Display board
30296013
1
1
1
33
Sersor sub-assy
39004167
1
1
1
1
DC INVERTER MULTI VRF
MAINTENANCE
Qty
No
Name
Material Code
1
Air outlet side board assy
01498608
1
1
1
2
Water pump assy
15404119
0
0
0
3
Water level switch
45010201
0
0
0
4
Electric expand valve fitting
43040001
1
1
1
01024222
01024218
01805279
Left support of evaporator
01804703
01324356
Fan motor mounting Plate Sub-assy
01325293
01258607
Top Cover Board Assy
01264627
01078604
Right support of evaporator
01805221
1
1
1
1
1
1
1
1
1
1
5
6
7
8
9
Evaporator assy
GMV-R90P/NaB-K GMV-R112P/NaB-K GMV-R140P/NaB-K
1
1
1
1
1
10
Right Side Plate Sub-assy
01308679
1
1
11
Air intake side-board sub-assy
01375221
1
1
1
12
Filter Sub-assy
11725205
1
1
1
13
Fan Motor
15018603
2
2
2
14
Fan Motor
15018604
1
1
1
15
Motor
1570521101
1570520901
1570521201
1570521001
01258603
0125860301
1
1
1
1
1
1
16
Motor
1
1
17
Bottom cover plate assy
18
Cover of air-in
01258602
1
1
19
Water tray assy
01284160
01285229
1
1
20
Electric box assy
01394957
01394896
33010014
33010056
1
1
1
1
1
1
1
1
1
1
21
Capacitor
22
Capacitor
33010064
1
23
Terminal board
42011106
1
1
1
24
Transformer
43110239
1
1
1
25
Main board
30226168
1
1
1
26
Electric box cover
01425249
1
1
1
27
Seal of lefr side plate sub-assy
01308672
01495212
1
1
28
Left side plate assy
01315255
1
1
29
Seal of connection pipe
01498601
01495213
1
1
30
Hook
02118504
4
4
4
31
Connecting Wire
4001039509
1
1
1
32
Display board
30296014
1
1
1
33
Sersor sub-assy
39004167
1
1
1
1
1
1
1
267
DC INVERTER MULTI VRF
MAINTENANCE
Qty
No
Name
Material Code
1
Air outlet side board assy
01498608
1
1
15404119
15404118
45010201
450102012
1
1
1
1
43040001
1
1
01024233
01024218
01805279
01804703
01324356
01325293
01258607
01264627
01078604
01805221
1
1
1
1
1
1
1
1
1
1
2
Water pump assy
3
Water level switch
4
Electric expand valve fitting
5
Evaporator assy
6
Left support of evaporator
7
Fan motor mounting Plate
Sub-assy
8
Top Cover Board Assy
GMV-R90PS/NaB-K GMV-R112PS/NaB-K GMV-R140PS/NaB-K
1
1
1
1
1
1
1
1
9
Right support of evaporator
10
Right Side Plate Sub-assy
01308679
1
1
11
Air intake side-board
sub-assy
01375221
1
1
1
12
Filter Sub-assy
11725205
1
1
1
13
Fan Motor
15018603
2
2
2
14
Fan Motor
1
15
16
Motor
Motor
1
15018604
1
1
1570521101
1570520901
1570521201
1570521001
01258603
0125860301
1
1
1
1
1
1
1
1
17
Bottom cover plate assy
18
Cover of air-in
01258602
1
1
19
Water tray assy
01284160
01284157
1
1
20
Electric box assy
01394986
01024218
33010014
33010056
1
1
1
1
1
1
1
1
21
Capacitor
22
Capacitor
33010064
1
1
1
23
Terminal board
42011106
1
1
1
24
Transformer
43110239
1
1
1
25
Main board
30226222
1
1
1
26
Electric box cover
01425249
1
1
1
27
Seal of lefr side plate
sub-assy
01494124
01494121
01314225
01314222
01494120
01494123
1
1
1
1
1
1
28
Left side plate assy
1
1
1
29
Seal of connection pipe
30
Hook
02118504
4
4
4
31
Connecting Wire
4001039509
1
1
1
32
Display board
30296014
1
1
1
33
Sersor sub-assy
39004167
1
1
1
1
268
DC INVERTER MULTI VRF
MAINTENANCE
5.2 .3 Wall-Mounted Type Unit
(1)GMV(L)-R22G/NaB-K,GMV(L)-R28G/NaB-K
269
DC INVERTER MULTI VRF
No.
MAINTENANCE
Part Name
GMV(L)-R22G/NaB-K,GMV(L)-R28G/NaB-K
Code
Qty.
1
Wall-Mounting Frame
01252220
1
2
Rear Case
222020012
1
3
Evaporator Assy
01004628
1
4
Cross Flow Fan
10352001
1
5
Ring of Bearing
76512203
1
6
Drainage hose
0523001401
1
7
Water Tray
20182027
1
8
Swing Louver
10512032
1
9
Swing Linkage 1
10582002
1
10
Swing Linkage 2
10582003
1
11
Front Case
20002215
1
12
Screw Cover
24252006
3
13
Filter
11122002
2
14
Remote Control Y612C
305125033
1
15
Decorate Piece
68012019
1
16
Receiver Board
30545702
1
17
Front Panel
20002209
1
18
Guide Louver 2
10512034
1
19
Guide Louver 1
10512033
1
20
Motor MP28VA
15212110
1
21
Motor Clamp A
26112017
1
22
Motor FN14A
150121081
1
23
Electric Box Cover
22242030
1
24
Terminal Board T4B3A
42011233
1
25
Covering Plate
201220061
1
26
Electric Box
20102178
1
27
Main PCB Z6H15C
30226074
1
28
Transformer 48X26F
43110226
1
29
Wire Clamp
71010103
1
30
Rear Clamp
24242001
1
31
Signal Cable
400103953
1
270
DC INVERTER MULTI VRF
MAINTENANCE
(2)GMV(L)-R36G/NaB-K;GMV(L)-R45G/NaB-K
271
DC INVERTER MULTI VRF
No.
MAINTENANCE
Part Name
GMV(L)-R36G/NaB-K;GMV(L)-R45G/NaB-K
Code
Qty.
1
Wall-Mounting Frame
01252384
1
2
Rear Case
1
3
Evaporator Assy
22202050
01004629
1
4
Cross Flow Fan
10352005
1
5
Ring of Bearing
76712015
1
6
Drainage hose
1
7
Water Tray
05232411
20182030
8
Swing Louver
10512041
12
9
Swing Linkage
10582439
1
10
Front Case
200022955
1
11
Screw Cover
24252007
3
12
Filter
11122440
2
13
Remote Control Y612C
305160051
1
14
Decorate Piece
68012019
1
15
Receiver Board
30545552
1
16
Front Panel
20002292
1
17
Guide Louver
26112043
1
18
Guide Louver
26112042
1
19
Motor MP28EA
15212105
1
20
Right Motor Clamp
26112429
1
21
Motor FN22A
15012062
1
22
Electric Box Cover
22242017
1
23
Terminal Board T4B3A
42011233
1
Covering Plate
20102119
1
25
Electric Box
20102108
1
26
Main PCB Z6J15C
30226072
1
27
Transformer 48X26F
43110226
1
28
Wire Clamp
71010103
1
29
Rear Clamp
26112430
1
30
Signal Cable
400103953
1
24
1
272
DC INVERTER MULTI VRF
MAINTENANCE
(3)GMV(L)-R50G/NaB-K;GMV(L)-R56G/NaB-K
273
DC INVERTER MULTI VRF
No.
MAINTENANCE
Part Name
GMV(L)-R50G/NaB-K;GMV(L)-R56G/NaB-K
Code
Qty.
1
Wall-Mounting Frame
`01252004
1
2
Rear Case
`22202329
1
3
Fan Bearing
`76512203
1
4
Screw Cover
3
5
Swing Louver
`24252015
`10512429
11
6
Swing Link 1
`10582057
1
7
Swing Link 2
`10582058
1
8
Water Tray
`20182057
1
9
Guide Louver(up)
`10512085
1
10
Guide Louver(down)
`10512086
1
11
Cross Flow Fan
`10352022
1
12
Evaporator Assy
`01024147
1
13
Drainage hose
Evaporator Support
`0523001403
`24212067
1
14
15
Filter
`11122048
2
16
Front Case
`200026529
1
17
Front Panel
1
18
Remote Controller Y512
`01544115
`305125063
19
Displaying Light Board
`22432071
1
20
Electric Box Cover
`20112019
1
21
Wire Clamp
`71010103
1
22
Terminal Board T4B3A
`42011233
1
1
1
1
23
Electric Box Cover
Main PCB
`20112020
`30226116
1
24
25
Transformer 57X25C
`43110237
1
26
Room Sensor 15k
`3900019813
1
`3900019814
1
27
Tube Sensor 20k
`3900019815
1
`3900019816
1
`42020063
3
29
Sensor Insert
Electric Box
`20112018
1
30
Lower Shield of Electric Box
`01592037
1
31
Upper Shield of Electric Box
`01592038
1
32
`15212117
26112095
1
33
Stepping Motor MP35XY
Motor Clamp
34
Helicoid tongue
`26252009
35
`150120671
1
36
Motor FN20C-PG
Pipe Clamp
`24242001
1
37
Signal Cable
`400103953
1
38
Fix sub-assy
`01324110P
1
39
EXV sub-assy
1
40
Connecting Wire
`07334255
`40010267
28
1
1
1
274
DC INVERTER MULTI VRF
MAINTENANCE
(4)GMV(L)-R71G/Na-K;GMV(L)-R80G/Na-K
275
DC INVERTER MULTI VRF
No.
Part Name
MAINTENANCE
GMV(L)-R71G/Na-K;GMV(L)-R80G/Na-K
Code
Qty.
1
Wall-Mounting Frame
` 01252398
1
2
Rear Case
` 22202091
1
3
Fan Bearing
` 76512203
1
4
Screw Cover
` 242520053
3
5
Swing Louver
` 10512110
15
6
Swing Link
` 10582040
3
7
Water Tray
` 20182043
1
8
Guide Louver(up)
` 10512062
1
9
Guide Louver(down)
` 10512063
1
10
Cross Flow Fan
` 10352420
1
11
Evaporator Assy
` 0102411202
1
12
Drainage hose
` 0523001404
1
13
Evaporator Support(left)
` 24212041
1
14
Filter
` 11122051
2
15
Front Case
` 26904107
1
16
Front Panel
` 20002698
1
17
Front Panel
` 22432258
1
18
Remote Controller Y512
` 305125063
1
19
Receiver Board JD
` 30046093
1
20
Electric Box Cover
` 20102252
1
21
Switch Lever
` 10582007
1
22
Wire Clamp
` 71010103
1
` 42011233
` 201022513
1
A
23
Terminal Board T4B3A
24
Electric Box Cover
25
Main PCB
` 30226420
1
26
Transformer 48X26G
` 43110233
1
27
Room Sensor
`3900019813
1
`3900019814
1
28
Tube Sensor
`3900019815
1
`3900019816
1
` 42020063
3
30
Sensor Insert
Electric Box
` 20102250
1
31
Lower Shield of Electric Box
` 01592034
1
32
` 01592033
15212102
1
33
Upper Shield of Electric Box
Stepping Motor MP24GA
34
Evaporator Support(rihgt)
` 24212042
1
35
Motor Clamp
` 26112069
1
36
Motor FN26D
` 150121053
1
37
` 02112009
1
38
Fixer(evaporator)
Pipe Clamp
` 26112071
1
39
Signal Cable
`400103953
1
40
Fix sub-assy
`01324110P
1
41
EXV sub-assy
`07334255
1
Connecting Wire
`40010267
1
29
42
1
1
276
DC INVERTER MULTI VRF
MAINTENANCE
(5)GMV(L)-R22G/NaC-K;GMV(L)-R28G/NaC-K
277
DC INVERTER MULTI VRF
No.
MAINTENANCE
Part Name
GMV(L)-R22G/NaC-K;GMV(L)-R28G/NaC-K
Code
Qty.
1
Wall Mounting Frame
01252220
1
2
Rear Case
222020012
1
3
Evaporator Assy
01004628
1
4
Cross Flow Fan
10352001
1
5
O-Gasket of Cross Fan Bearing
76512203
1
6
Drain Pipe
0523001401
1
7
Water Tray
201820272
1
8
Air Louver
10512080
1
9
Swing Lever
10582002
1
10
Swing Lever
10582003
1
11
Front Case
200024442
1
12
Screw Cap
24252006
3
13
Filter
11122002
2
14
Remote Control Y512
305125063
1
15
Display Board
30545707
1
16
Front Panel
20002522
1
17
Guide Louver
10512034
1
18
Guide Louver
10512033
1
19
Stepping Motor
15212110
1
20
Motor Press Plate
26112014
1
21
Fan Motor
150121081
1
22
Electric Box Cover
22242030
1
23
4-bit Terminal Board
42011233
1
24
Electric Box Cover
201220061
1
25
Electric Box
20102178
1
26
Main PCB Z6H251B
30226077
1
27
Transformer
43110226
1
28
Fixed Clamp
71010103
1
29
Pipe Clamp
24242001
1
30
Connecting Wire(communicate)
400103953
1
278
DC INVERTER MULTI VRF
MAINTENANCE
(6)GMV(L)-R36G/NaC-K;GMV(L)-R45G/NaC-K
279
DC INVERTER MULTI VRF
No.
MAINTENANCE
Part Name
GMV(L)-R36G/NaC-K;GMV(L)-R45G/NaC-K
Code
Qty.
1
Wall Mounting Frame
01252384
1
2
Rear Case Sub-Assy
22202051
1
3
Evaporator Assy
01004629
1
4
Cross Flow Fan
10352005
1
5
Ring of Bearing
76712015
1
6
Drain Pipe
0523001401
1
7
Water Tray
201820302
1
8
Air Louver
10512041
12
9
Swing Lever
10582439
1
10
Front Case
200025253
1
11
Screw Cap
24252007
3
12
Filter
11122440
2
13
Remote Control Y512
305125063
1
14
Display Board
30545558
1
15
Front Panel
20002524
1
16
Lower Guide Louver
26112043
1
17
Upper Guide Louver
26112042
1
18
Stepping Motor
15212105
1
19
Motor Right Clamp
26112429
1
20
Motor FN22G
150120623
1
21
Electric Box Cover
22242017
1
22
4-bit Terminal Board
42011233
1
23
Covering Plate
20102119
1
Electric Box
20102108
1
Main PCB Z6J251B
30226075
1
24
25
26
Transformer
43110226
1
27
Fixed Clamp
71010103
1
28
Rear Clamp
26112430
1
29
Connecting Wire(communicate)
400103953
1
280
DC INVERTER MULTI VRF
MAINTENANCE
5.2 .4 Floor Ceiling Type Unit
(1)GMV(L)-R28Zd/Na-K,GMV(L)-R36Zd/Na-K,GMV(L)-R50Zd/Na-K
281
DC INVERTER MULTI VRF
No.
Part Name
MAINTENANCE
GMV(L)-R28Zd/Na-K,GMV(L)-R36Zd/Na-K,GMV(L)-R50Zd/Na-K
Code
Qty.
1
Rear Side Plate
01302013
1
2
Handle
26232001
4
3
Left Decoration Plate
261124152
1
4
Rear Side Plate of Air Outlet
0130201501
1
5
Louver
1051953202
1
6
Right Decoration Plate
261124162
1
7
Shaft of Louver II
10512026
2
8
Louver Support
24212019
2
9
Shaft of Louver I
10512025
1
10
Louver Fixer
24212018
1
11
Swing Louver
10512027
12
12
Connecting Lever
10582009
1
13
Connecting Lever
10582008
2
14
Right Swing Motor Fixer
26152006
1
15
Right Fixing Plate of Evaporator
01072411
1
16
Right Side Foam sub-assy
12312404
1
17
Right Fixing Plate
01332404
1
18
Right Decoration Panel
19
Pipe Clamp Plate
26112027
1
0107243701
1
20
Capacitor 1uF/500V
33010089
1
21
Transformer 57X25C
43110237
1
22
Electric Box
01402407
1
23
Main PCB Z6935
30226903
1
24
Terminal Board RS9413G
42011159
1
25
Wire Base
24253001
1
Wire Clamp
24253002
1
Fuse 5A 250VAC
46010013
1
27
Cover of Electric Box
01412408
1
28
Pipe Clip
70812001
1
29
Drainage hose
1
30
Display Board 5T52
05235433
30545654
31
Electric Box
20102138
32
Front Grill Clip 1
26252002
4
33
Filter
11122013
2
34
Front Grill
22412010
2
35
Front Grill Clip 2
26252003
4
36
Front Panel
01544106
1
26
37
Front Panel
38
Water Tray
39
1
1
01532001P
1
01272205P
1
Motor Support
01709532
1
40
Left Decoration Panel
26112028
1
41
Left Fixing Plate
01332405
1
Panel
282
DC INVERTER MULTI VRF
No.
Part Name
MAINTENANCE
GMV(L)-R28Zd/Na-K,GMV(L)-R36Zd/Na-K,GMV(L)-R50Zd/Na-K
Code
Qty.
43
Left Fixing Plate of Evaporator
01072410
44
Motor Clamp
26112026
1
4
45
Step Motor MP35CA
15212402
2
46
Left Swing Motor Fixer
26152005
01024134 ①
1
1
47
Evaporator Assy
01024135 ②
1
01024121 ③
1
01362001
1
01072409
1
48
Water Lead
49
Cover of Evaporator
50
Fixed Mount
01708763
1
51
Centrifugal Fan
10312401
2
52
Rear Snail Shell
22202032
2
53
Front Snail Shell
22202031
2
54
Bar Clasp
70819522
4
55
Hoop
70819521
15707302 ④
1
1
157073024 ⑤
1
56
Panel
Motor
57
Remote Controller
305125063
1
58
Signal Cable
400103953
1
59
Fix sub-assy
01324110P
1
60
EXV sub-assy
07334258
1
61
EXV
07334191
1
62
Magnet Coil for EXV DPF-AS001A
430001087
1
SPF-16D70
63 Display Board Z63351F
30296309
Note:
11. Evaporator Assy ① is only applicable to GMV(L)-R28Zd/Na-K
12. Evaporator Assy ② is only applicable to GMV(L)-R36Zd/Na-K
13. Evaporator Assy ③ is only applicable to GMV(L)-R50Zd/Na-K
14. Motor ④ is only applicable to GMV(L)-R28Zd/Na-K,GMV(L)-R36Zd/Na-KMotor
15. Motor⑤ is only applicable to GMV(L)-R50Zd/Na-K
1
283
DC INVERTER MULTI VRF
MAINTENANCE
(2)GMV(L)-R71Zd/Na-K
284
DC INVERTER MULTI VRF
No.
MAINTENANCE
Part Name
GMV(L)-R71Zd/Na-K
Code
Qty.
1
Left Decoration Plate
261124172
1
2
Shaft of Louver I
10512025
2
3
Swing Louver Fixer sub-assy
013324232
1
4
Louver Support
24212020
3
5
Louver Fixer
24222016
2
6
Louver
105124042
1
7
Shaft of Louver II
10512026
2
8
Right Decoration Plate
261124212
1
9
Left Swing Motor Fixer
26152007
1
10
Front Panel
01532414
1
11
Display Box
20102138
1
12
Display Board 5T52
30545654
1
13
Front Panel
01544106
1
14
Right Swing Motor Fixer
26152008
1
15
Step Motor MP35CA
15212402
2
16
Motor Clamp
26112026
4
17
Water Tray
01272412
1
18
Auxiliary Water Tray
01272413
1
19
Pipe Clip
70812001
1
20
Drainage hose
05235433
1
21
Handle
26232001
4
22
Right Side Foam sub-assy
12312407
1
23
Right Fixing Palte
01332404
1
24
Support of Motor Bearing
01792408
2
25
Fixer of Motor Support
01792409
1
26
Right Decoration Panel
26112033
1
27
Pipe Clamp
01072424
1
28
Electric Box
01402407
1
29
Wire Base
24253001
1
30
31
Wire Clamp
24253002
1
Terminal Board
42011159
1
32
Fuse 5A 250VAC
46010013
1
33
Main PCB Z6935
30226903
1
34
Ring of Bearing
76512404
2
35
Fan Bearing
76512210
2
36
Transformer 57X25C
43110237
1
37
Cover of Electric Box
01412408
1
38
Centrifugal Fan
10312401
4
39
Rotary Axis
73012401
2
40
Capacitor CBB61 3uF/450
33010027
1
41
Motor FN100A
15012406
1
42
Motor Fixer
01722409
1
43
Motor Clamp
01702405
2
44
Axes Connector
73012403
2
285
DC INVERTER MULTI VRF
MAINTENANCE
45
Motor Fixing Plate
01332426
1
46
Front Snail Shell
22202031
4
47
Rear Snail Shell
22202032
4
48
Rear Side Plate
01302429
1
49
Motor Support
01702410
1
50
Filter
11122012
2
51
Water Lead Plate
01362401
1
52
Front Grill
22412011
2
53
Front Grill Clip 2
26252003
4
54
Remote Controller
305125063
1
55
Front Grill Clip 1
26252002
4
56
Evaporator Assy
01024123
1
57
Cover of Evaporator
01072417
1
58
Left Decoration Panel
26112032
1
59
Left Fixing Plate
01332405
1
60
Left Side Foam sub-assy
12312406
1
61
Bearing Fixing Plate
01332407
1
62
Rear Side Plate of Air Outlet
01302405
1
63
Connecting Lever
10582008
3
64
Connecting Lever
10582009
2
65
Swing Louver
10512028
22
66
Signal Cable
400103953
1
67
EXV sub-assy
07334255
1
68
EXV SPF-18D88
07334193
1
69
Magnet Coil for EXV
430001087
1
70
Fix sub-assy
01324110P
1
71
Display Board Z63351F
30296309
1
286
DC INVERTER MULTI VRF
MAINTENANCE
(3)GMV(L)-R90Zd/Na-K,GMV(L)-R112Zd/Na-K,GMV(L)-R125Zd/Na-K
287
DC INVERTER MULTI VRF
No.
MAINTENANCE
Part Name
GMV(L)-R71Zd/Na-K
Code
Qty.
1
Left Decoration Plate
261124152
1
2
Shaft of Louver I
10512025
3
3
Swing Louver Fixer sub-assy
0133241802
1
4
Louver Support
24212019
4
5
Louver Fixer
24212018
3
6
Shaft of Louver II
10512026
2
7
Louver
105124082
1
8
Right Decoration Plate
261124162
1
9
Left Swing Motor Fixer
26152005
1
10
Front Panel
01532413
1
11
Display Box
20102138
1
12
Display Board 5T52
30545654
1
13
Front Panel
01544106
1
14
Right Swing Motor Fixer
26152006
1
15
Step Motor MP35CA
15212402
2
16
Motor Clamp
26112026
4
17
Water Tray
0127240802
1
18
Auxiliary Water Tray
01272409
1
19
Pipe Clip
70812001
1
20
Drainage hose
05235433
1
21
Handle
26232001
4
22
Right Side Foam sub-assy
12312404
1
23
Right Fixing Palte
01332404
1
24
Support of Motor Bearing
01792408
2
25
Fixer of Motor Support
01792407
1
26
Right Decoration Panel
26112027
1
27
Pipe Clamp
01072425
1
28
Electric Box
01402407
1
29
Wire Base
24253001
1
30
31
Wire Clamp
1
Terminal Board
24253002
42011159
32
Fuse 5A 250VAC
33
34
1
Main PCB Z6935
46010013
30226903
1
1
Ring of Bearing
76512404
2
35
Fan Bearing
76512210
1
36
Transformer 57×25C
43110237
1
37
Cover of Electric Box
01412408
1
38
Centrifugal Fan
10319051
4
39
Rotary Axis
73012402
2
40
Capacitor
33010064 ①
1
33010056 ②
1
41
Motor
15012405 ③
1
42
Motor Fixer
15012404 ④
1
01722410
1
288
DC INVERTER MULTI VRF
MAINTENANCE
43
Motor Clamp
01702405
2
44
Axes Connector
73012403
2
45
Motor Fixing Plate
01332425
1
46
Front Snail Shell
22202030
4
47
Rear Snail Shell
22202029
4
48
Rear Side Plate
01302431
1
49
Motor Support
01702411
1
50
Filter
11122013
1
51
Water Lead Plate
01362407
1
52
Front Grill
22412010
4
53
Front Grill Clip 2
26252003
8
54
Remote Controller
305125063
1
55
Evaporator Assy
01024122
1
56
Front Grill Clip 1
26252002
8
57
Cover of Evaporator
01072409
1
58
Left Decoration Panel
26112028
1
59
Left Fixing Plate
01332405
1
60
Left Side Foam sub-assy
12312403
1
61
Bearing Fixing Plate
01332406
1
62
Rear Side Plate of Air Outlet
01302416
1
63
Connecting Lever
10582008
2
64
Connecting Lever
10582009
4
65
Swing Louver
10512027
26
66
Signal Cable
400103953
1
67
Display Board Z63351F
30296309
1
68
EXV sub-assy
07334256
1
69
EXV VPF-25D*B3
07334195
1
70
Magnet Coil for EXV
43000110
1
71
Fix sub-assy 2
01324110P
1
Note:
16. Capacitor
17. Capacitor
18. Motor ③
19. Motor ④
① is only applicable to GMV(L)-R90Zd/Na-K
② is only applicable to GMV(L)-R112Zd/Na-K,GMV(L)-R125Zd/Na-K
is only applicable to GMV(L)-R90Zd/Na-K
is only applicable to GMV(L)-R112Zd/Na-K,GMV(L)-R125Zd/Na-K
289
DC INVERTER MULTI VRF
MAINTENANCE
5.2.5 1-way cassette Type Unit
(1)GMV(L)-R22Td/Na-K
No.
Part Name
Qty.
1
Front Panel Assy(MT01)
2
Code
GMV-R22Td/Na
GMVL-R22Td/Na
1
TL1000120
TL1000120
Water Tray Assy
1
12412702
12412702
3
引水架
1
24212708
24212708
4
Evaporator Assy
1
01024103
01024103
5
Left Side Plate Assy
1
01302729
01302729
6
Cross Flow Fan
1
10352701
10352701
7
Base Plate Assy
1
01222714
01222714
8
Right Side Plate Assy
1
01302746
01302746
9
Rear Case assy
1
22202702
22202702
10
Fan Motor
1
1570410401
1570410401
11
Electric Box Assy
1
01404655
01404697
12
Main Board
1
30226034
30226033
13
Electric Box Cover Plate
1
01412725
01412725
14
Terminal Board Cover
1
222427221
222427221
15
Drainage Pump
1
43132701
43132701
16
Electronic Expansion Valve
1
07334129
07334129
17
Supporter
1
01792703
01792703
(2)GMV(L)-R28Td/Na-K、GMV(L)-R36Td/Na-K
Code
No.
Part Name
Qty.
GMV-R28Td/H;
GMV-R36Td/H
GMVL-R28Td/H;
GMVL-R36Td/H
1
Front Panel Assy(MT01)
1
TL1000120
TL1000120
2
Water Tray Assy
1
12412702
12412702
3
Water Lead
1
24212708
24212708
Panel
290
DC INVERTER MULTI VRF
MAINTENANCE
4
Evaporator Assy
1
01024104
01024104
5
Left Side Plate Assy
1
01302729
01302729
6
Cross Flow Fan
1
10352701
10352701
7
Base Plate Assy
1
01222714
01222714
8
Right Side Plate Assy
1
01302746
01302746
9
Rear Case assy
1
22202702
22202702
10
Fan Motor
1
1570410401
1570410401
11
Electric Box Assy
1
01404655
01404697
12
Main Board
1
30226034
30226033
13
Electric Box Cover Plate
1
01412725
01412725
14
Terminal Board Cover
1
222427221
222427221
15
Drainage Pump
1
43132701
43132701
16
Electronic Expansion Valve
1
07334129
07334129
17
Supporter
1
01792703
01792703
291
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