Samsung MWR-WH02 Product specifications

SYSTEM AIR CONDITIONER
INDOOR UNIT
Model : AC052FBMDEH/EU
AC071FBMDEH/EU
AC090FBMDEH/EU
AC100FBMDEH/EU
AIR CONDITIONER
OUTDOOR UNIT
AC052FCADEH/EU
AC071FCADEH/EU
AC090FCADEH/EU
AC100FCADEH/EU
AC100FCADGH/EU
CONTENTS
1. Precautions
2. Product Specifications
AC052FBMDEH/EU,AC071FBMDEH/EU,
AC090FBMDEH/EU,AC100FBMDEH/EU
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram
AC071FCADEH/EU
6. Wiring Diagram
7. Schematic Diagram
8. Reference Sheet
AC090FCADEH/EU
AC100FCADEH/EU
AC100FCADGH/EU
AC052FCADEH/EU
Refer to the service manual in the GSPN(see the rear cover) for the more information.
Contents
11. Precautions ........................................................................................................................................ 1-1
1-1 Precautions for the Service ..............................................................................................................
1-1
1-2 Precautions related to static electricity and PL ............................................................................
1-1
1-3 Precautions related to product safety ...........................................................................................
1-2
1-4 Other precautions..............................................................................................................................
1-2
12. Product Specifications ............................................................................................................... 2-1
2-1 The Feature of Product .....................................................................................................................
2-2 Product Specifications ......................................................................................................................
2-1
2-2
2-3 Specifications of optional items......................................................................................................
2-6
2-3-1 Accessories ...............................................................................................................................
2-6
13. Disassembly and Reassembly ............................................................................................... 3-1
3-1 Indoor Unit .........................................................................................................................................
3-2
3-2 Outdoor Unit
3-7
.....................................................................................................................................
14. Troubleshooting ............................................................................................................................ 4-1
4-1 Indoor Display Error and Check Method
.....................................................................................
4-1
4-1-1 Wired Remocon Error Display(COM2) ................................................................................
4-2
4-2 Outdoor LED Error Display and Check Method ...........................................................................
4-3
4-3 Setting Option Setup Method ........................................................................................................
4-4 Items to be checked first .................................................................................................................
4-4
4-9
4-5 Fault Diagnosis by Symptom .......................................................................................................... 4-10
4-5-1 No Power(completely dead) - Initial diagnosis ................................................................. 4-10
4-5-2 The Outdoor unit Power Supply error ................................................................................ 4-11
4-5-3 The Outdoor unit Fan error
..................................................................................................
4-12
4-5-4 Total current trip error ........................................................................................................... 4-13
4-5-5 In case of heating at the cooling mode or cooling at the heating mode .................... 4-14
4-5-6 Outdoor temperature sensor error ..................................................................................... 4-16
..................................................................................
4-17
4-5-8 Coil temperature sensor error ..............................................................................................
4-18
4-5-7 Discharge temperature sensor error
4-5-9 Fan error ................................................................................................................................... 4-19
4-5-10 DC-Link voltage sensor error
.............................................................................................
4-20
4-5-11 O.C.(Over Current) error ...................................................................................................... 4-21
4-5-12 Communication error .......................................................................................................... 4-22
4-5-13 Compressor start error ........................................................................................................ 4-23
4-5-14 Compressor lock error ......................................................................................................... 4-24
2
Samsung Electronics
Contents
4-5-15 DC Link Over voltage/ Low voltage error ........................................................................ 4-25
4-6 PCB Inspection Method ................................................................................................................... 4-26
4-6-1 Pre-inspection Notices ........................................................................................................... 4-26
4-6-2 Inspection Procedure
............................................................................................................
4-26
...............................................................................
4-26
...........................................................................
4-27
4-6-3 Indoor Detailed Inspection Procedure
4-6-4 Outdoor Detailed Inspection Procedure
4-7 Main Part Inspection Method ......................................................................................................... 4-28
1
15. PCB Diagram ..................................................................................................................................... 5-1
5-1 PCB Diagram ......................................................................................................................................
5-1
..............................................................................................................................
5-1
5-1-2 Outdoor Unit PCB ...................................................................................................................
5-4
5-1-1 Indoor Unit
16. Wiring Diagram
..............................................................................................................................
6-1
6-1 Indoor Unit .........................................................................................................................................
6-1
.....................................................................................................................................
6-2
6-2 Outdoor Unit
17. Schematic Diagram ...................................................................................................................... 7-1
7-1 Indoor Unit .........................................................................................................................................
7-1
7-1-1 MAIN PCB .................................................................................................................................
7-1
7-1-2 Outdoor Unit PCB ...................................................................................................................
7-3
1
8. Reference Sheet .............................................................................................................................. 8-1
8-1 Index for Model Name ......................................................................................................................
8-1
8-2 Refrigerating Cycle Diagram............................................................................................................
8-2
8-3 Pressure Graph ...................................................................................................................................
8-3
Samsung Electronics
3
1. Precautions
1-1 Precautions for the Service
O
Use the standard parts when replacing the electric parts.
– Confirm the model name, rated voltage, rated current of the electric parts.
O When repairing the equipment, connection of the harness parts must be firm and solid.
– A loose connection may cause noise or other malfunction.
O When assembling and disassembling the equipment while it is laid down, lay it on soft cloth.
– Otherwise it may scratch the back of the exterior of the product.
O Remove dust or dirt completely from the housing block, wiring block and service parts during repair.
– This helps prevent the danger of fire caused by tracking or short circuit.
O Fasten the valve caps of service valves and charging valves of outdoor unit as much as possible using adjustable wrenches.
O Check the status of the components’ assembly after repair service.
– The status must be the same as before the repair service.
1-2 Precautions related to static electricity and PL
O
The PCB power supply block is susceptible to static electricity. Therefore, care must be taken during repair or measuring
while the power is on.
– Wear insulation gloves for PCB repair or measuring.
O
Check whether the installation location is at least two meters away from other electronic products such as TV, video, or
audio.
– Otherwise, the video quality might be degraded or noise might be generated.
O Do not let end users repair the products themselves.
– Unauthorized disassembly might cause electric shock or fire.
Samsung Electronics
1-1
1-3 Precautions related to product safety
ODo not pull the power cord and do not touch the power plug or aux power switch with wet hands.
– It might cause electric shock or fire.
OA damaged power line or power plug must be replaced to prevent danger.
ODo not bend the power cable with excessive force, and do not place a heavy weight on the case as it might damage the
cable.
– It might cause electric shock or fire.
ODo not use multiple electric outlets.
– This might cause electric shock or fire.
OConnect the ground terminal when necessary.
– You must connect the ground terminal if you determine that there is a danger of electric leakage due to moisture or water.
OUnplug the power cable or turn off the auxiliary power switch for electric part replacement and repair service.
– Otherwise it might cause electric shock.
OInstruct end users to separate the batteries from the remote controllers and store them separately when the product is not
used for long time.
– Otherwise leakage from the dry cell may cause problems with the remote controller.
1-4 Other precautions
O The pipes should have no leaks during installation, and the compressor must be stopped before removing connecting
pipes for pump down work. Operating the compressor while the service valve is open and coolant pipe is not properly
connected may cause explosion or injury due to abnormal high pressure created inside the coolant cycle as the air can be
absorbed through the pipe.
O Pump Down work procedure (When uninstalling the product)
– Turn on the air conditioner, select cooling operation, and run the compressor for more than three minutes.
– Release the high pressure and low pressure valve caps.
– Close the high pressure valve completely using an L-wrench
– After about two minutes, close the low pressure valve completely.
– Stop running the air conditioner.
– Separate the connecting pipe.
1-2
Samsung Electronics
2. Product Specifications
2-1 The Feature of Product
QBuilt-in Cassette Type
After installed, the air conditioner can be harmonized with a room interior.
QHigh Performance & Energy Saving
With the advanced BLDC inverter technology, it makes a room cool with highly energy saving and arises the efficiency of
air conditioner.
QLong Piping(Length & Height)
It can give the benefit to the installers and aries the reliability of the air conditioner.
QLong Ambient Operation(In Low Temperature)
It can arise the reliability and the capacity of the air conditioner, especially operated in low temperature.
QEco-friendly Product(Lead-Free, RoHS, WEEE)
Samsung Electronics
2-1
2-2 Product Specifications
AC052FBMDEH/EU
AC052FCADEH/EU
ITEM
AC071FBMDEH/EU
AC071FCADEH/EU
Indoor Unit
Outdoor Unit
IMAGE
Remote Controller
Power Specifications
Indoor
1Φ, 220~240V,50Hz
WxHxD
mm
900x260x480
1150x480x260
WxHxD
Size
Outdoor
mm
750x548x285
880x310x798
Indoor Unit
kg
28.0
31.5
Outdoor Unit
kg
38.5
55.0
Weight
Cooling(STD)
W
5000
7100
Heating(STD)
W
6000
8000
Cooling(STD)
W
1560
2210
Heating(STD)
W
1660
2220
Cooling(STD)
A
7.5
10.5
Heating(STD)
A
7.8
10.5
dBa
60
65
dBa
64
66
g
1400
1800
Capacity
Power
Consumption
Operation
current
Sound Power
(Cooling/
Heating)
Indoor
Outdoor
In case of strongest air
blow
In case of strongest air
blow
Refrigerant (R410A)
Liquid
mm
1/4"
1/4"
Gas
mm
1/2"
5/8"
g/m
10
25
Connecting Pipe
Additional Refrigernat (R410A)
Standard
m
5
5
Extension length(Total)
m
30
50
Extension length(Elevation)
m
20
30
Product Option
011014-19626E-27343C-370010
011017-1563A2-274750-370010
Installation Option
020000-100000-200000-300000
020000-100000-200000-300000
Option Code
2-2
Samsung Electronics
Product Specifications (cont.)
AC090FBMDEH/EU
AC090FCADEH/EU
ITEM
AC100FBMDEH/EU
AC100FCADEH/EU
AC100FBMDEH/EU
AC100FCADGH/EU
Indoor Unit
Outdoor Unit
IMAGE
Remote Controller
Power Specifications
1Φ, 220~240V,50Hz
3Φ,380~415V,50Hz
Indoor
WxHxD
mm
1150x480x320
Outdoor
WxHxD
mm
940x330x998
Indoor Unit
kg
35.0
Outdoor Unit
kg
72.0
Size
Weight
Cooling(STD)
W
9000
10000
Heating(STD)
W
10000
11200
Cooling(STD)
W
2800
3215
Heating(STD)
W
2770
Cooling(STD)
A
13.0
15.2
5.4
Heating(STD)
A
12.5
13.5
5.2
A
65
65
65
A
67
68
68
g
3000
3000
3100
mm
3/8"
3/8"
3/8"
Capacity
Power
Consumption
Operation
current
Sound
Power(Cooling/
Heating)
Indoor
Outdoor
In case of strongest air
blow
In case of strongest air
blow
Refrigerant (R410A)
Liquid
3100
Connecting Pipe
mm
5/8"
5/8"
5/8"
Additional Refrigernat (R410A)
g/m
50
50
50
Standard
m
5
5
5
Extension length(Total)
m
50
50
50
Extension length(Elevation)
m
30
30
30
Gas
Product Option
Option Code
Installation Option
Samsung Electronics
011034-15617C275A64-350000
020000-100000200000-300000
011034-15617C-276470-370000
020000-100000-200000-300000
2-3
2-3 Specifications of optional items
2-3-1 Accessories
Item
Descriptions
Code-No.
Q'TY
Wired remote controller
DB97-15070D
1
Owner's Manual
DB98-32657A
1
Installation Manual
DB98-03356A
1
Insulation-Cover Band
DB62-04318S
1
Remark
TIONS
OWNER'S INSTRUC
INSTRUCCIONES
MANUAL DE
PER L'USO
ISTRUZIONIINSTRU‚Í
ES
MANUAL DE ATION
MANUEL D'UTILISEISUNG
GEBRAUCHSANW
Air ConditionerSplit
Splut-type Room
domĿstico sistema
ad unitˆ Separate
Aire acondicionado
d'aria per ambienti
Split
Condizionatorede ar condicionado tipo
Aparelho
type sĿparĿ
Climatiseur de
e
Geteilte raumklimaanlag
TIONS
OWNER'S INSTRUC
INSTRUCCIONES
MANUAL DE
PER L'USO
ISTRUZIONIINSTRU‚Í
ES
MANUAL DE ATION
MANUEL D'UTILISEISUNG
GEBRAUCHSANW
Air ConditionerSplit
Splut-type Room
domĿstico sistema
ad unitˆ Separate
Aire acondicionado
d'aria per ambienti
Split
Condizionatorede ar condicionado tipo
Aparelho
type sĿparĿ
Climatiseur de
e
Geteilte raumklimaanlag
Indoor
Unit
Insulation-Drain Hose
DB62-11028A
1
Insulation-Hose D
DB62-11028E
1
Insulation-Tube Out
DB62-11028F
1
Cable-tie
DB65-10088C
8
Grommet-Hanger
DB63-00237A
8
Ass'y Drain Hose Joint
DB94-03287A
1
RUBBER LEG
DB73-20134A
4
Outdoor unit
DB67-20011A
1
AC071FCADEH
DB67-00477A
1
AC052FCADEH
DB67-00806A
1
AC090FCADEH
AC100FCADEH
AC100FCADGH
DB98-32793A
1
AC090FCADEH
AC100FACADEH
AC100FACADGH
DB68-03464A
1
AC052FCADEH
AC071FCADEH
DRAIN PLUG
TIONS
OWNER'S INSTRUC
INSTRUCCIONES
MANUAL DE
PER L'USO
ISTRUZIONIINSTRU‚Í
ES
MANUAL DE ATION
MANUEL D'UTILISEISUNG
GEBRAUCHSANW
Air ConditionerSplit
Splut-type Room
domĿstico sistema
ad unitˆ Separate
Aire acondicionado
d'aria per ambienti
Split
Condizionatorede ar condicionado tipo
Aparelho
type sĿparĿ
Climatiseur de
e
Geteilte raumklimaanlag
Installation manual
2-4
Samsung Electronics
Accessories (cont.)
■ Receiver & display unit & Wire kit
Item
Descriptions
Code-No.
Q'TY
Receiver & display unit
DB93-00449A
(MRK-B00)
1
STS 2S-2x10 Tapped Screw
-
4
2S-4x12 Tapped Screw
-
2
User’s manual
DB98-05160A
1
Installation manual
DB98-05186A
1
Wire kit
DB39-00223A
(MRW-10A)
1
Receiver & display unit
DB93-01066A
(MRK-A00)
1
M4x12 Tapped Screw
-
7
Cable-tie
-
2
Remark
Concealed type
Standard type
Samsung Electronics
User’s manual
DB98-04184A
1
Installation manual
DB98-04189A
1
Wire kit
DB39-00223A
(MRW-10A)
1
2-5
Accessories (cont.)
■ Wireless remote controller
Item
2-6
Descriptions
Code-No.
Q'TY
Wired remote controller
DB97-14333C
(MWR-WH02)
1
Cable tie
DB65-10088B
2
Cable clamp
DB65-10074E
5
M4×16 Tapped Screw
6002-000474
7
Indoor unit power drawing cable
DB39-00221A
1
Communication cable of thewired remote
controller
DB39-00933A
1
Wire joint
DB39-90020A
1
User’s manual
DB98-25179A
1
Installation manual
DB98-25180A
1
Remark
Optional
Samsung Electronics
Accessories (cont.)
■ Centralized controller
Item
Descriptions
Code-No.
Q'TY
Centralized controller
DB93-03425C
(MCM-A202)
1
Cable tie
DB65-10088B
2
Cable clamp
DB65-10074E
5
Remark
Optional
Samsung Electronics
M4x16 Tapped Screw
6002-000474
7
User’s manual
DB98-12721A
1
Installation manual
DB98-25773A
1
2-7
Accessories (cont.)
■ Function controller
Item
Descriptions
Code-No.
Q'TY
Function controller
DB97-01077A
(MCM-A100)
1
Cable tie
DB65-10088B
2
Cable clamp
DB65-10074E
6
Remark
Optional
M4x16 Tapped Screw
6002-000474
7
User’s manual
DB98-27317A
1
Installation manual
DB98-27315A
1
Descriptions
Code-No.
Q'TY
Transmitter
DB97-00647P
(MIM-B04A)
1
Transmitter power cable
DB39-00378D
1
Transmitter communication cable
DB39-00253D
1
■ Transmitter
Item
2-8
Remark
Optional
Samsung Electronics
Accessories (cont.)
■ DMS(Date Management Server)
Item
Samsung Electronics
Descriptions
Code-No.
Q'TY
DMS
DB93-03709B
(MIM-D00)
1
Cable tie
DB65-10088B
2
Cable clamp
DB65-10074D
2
M4x16 Tapped Screw
6002-000474
5
Bottom hook
DB73-00320A
4
User’s manual
DB98-27317A
1
Installation manual
DB98-27315A
1
Remark
Optional
2-9
3. Disassembly and Reassembly
Q Necessary Tools
Item
Remarks
+SCREW DRIVER
Adjustable Wrench
(8mm, 10mm, 13mm)
3-1
Samsung Electronics
3-1 Indoor unit
No
Parts
1
Blower & Motor
Procedure
Remark
1) After disassembling 16 places indicating
screws, detach Ass'y Cabi Bottom Blower.
(Use +Screw Driver)
2) Detach the Motor Fan connector from the
BLDC PCB.
3) After disassembling 2 places indicating screws,
detach the 2 Fan Case. (Use +Screw Driver)
Samsung Electronics
3-2
No
Parts
Procedure
Remark
4) After disassembling 2 places indicating
screws, detach Fan Motor and Blower
from the set.
2
Control In
1) After disassembling 3 Indicating screw, detach
the Cover control. (Use +Screw Driver)
2) Detach the Motor-Fan and Sensor Connector
from the PCB.
3-3
Samsung Electronics
No
Parts
Procedure
Remark
3) Disassemble 4 indicating screws and detach
Control In from the set.
3
Drain Pan
Work is possible when Disassembling the Ass'y
Cabi Bottom Blower.
1) Disassemble 7 indicating screws and detach
Ass'y Cabi Bottom Drain..
Samsung Electronics
3-4
No
Parts
Procedure
Remark
1) Disassemble 4 indicating screws and detach
the Drain Pan. (Use +Screw Driver)
(2 screws each at left and right side).
4
Evap
Work is possible when Disassembling the Ass'y
Drain Pan.
1) Disassemble 5 indicating screws to detach
Cover Pipe. (Use +Screw Driver)
3-5
Samsung Electronics
No
Parts
Procedure
Remark
2) Disassemble Sensor on the Evap.
3) Disassemble 4 indicating screws which are in
the near of Hanger Plate to detach the Evap.
(Use +Screw Driver)
(2 screws each at left and right side)
It needs 2 peoples..
Samsung Electronics
3-6
3-2 Outdoor Unit
Q AC052FCADEH/EU
No
Parts
Procedure
1
common work
1) loosen 1 pcs screw of cover control,and
detach it.
Remark
2) loosen 5 pcs screws on both right and
left cabniet side edges and to detach the
cover-top
3) Loosen 7 screwsfixed to disassemble
cabi-front , and detach it.
3-7
Samsung Electronics
No
Parts
common work
Procedure
Remark
4) loosen 7 screws to disassemble the cabiright ,and detach it.
5) loosen 2 screws to disassemble steel-bar.
6) loosen 3 screws to disassemble cabi-left.
Samsung Electronics
3-8
No
Parts
Procedure
2
fan&motor
1) loosen 1 screw as indication and detached
the fan.
Remark
2) loosen 4 pcs motor screws and disconnect
the wire betwwen assy control out and motor.
3) loosen 2 pcs bracket-motor screw and
detach it.
3-9
Samsung Electronics
No
Parts
3
assy control out
1) lossen fixing 1 screw from cover -control
2) detach several connections from assy control out, take out assy control out.
4
Heat exchanger
1) Release the refrigerant at first
2) Looosen fixing screw on both side.
3) disaessembly the pipes in both inlet and
outlet with welding torch.
4) detach the heat exchanger.
Samsung Electronics
Procedure
Remark
3-10
No
Parts
5
compressor
Procedure
Remark
1) disconnect the compressor lead wire .
2)disassembly the felt comp sound.
loosen the 3 bolts at the bottom of
3-11
Samsung Electronics
Q AC071FCADEH/EU
No
Parts
Procedure
1
Common Work
1) Loosen 1 fixing screw of the Cover-Control
and detach the Cover Control.
Remark
2) Loosen each 7 fixing screws and detach
the Cabinet Upper.
Samsung Electronics
3-12
No
Parts
Procedure
Remark
3) Loosen 2 screws fixed to assemble
Control Box with Cabinet-Side RH.
4) Loosen fixing screws and detach the
Cabinet-Side RH.
5) Loosen 2 screws fixed on the Guide
Condenser.
3-13
Samsung Electronics
No
Parts
Procedure
Remark
6) Loosen fixing screws of the Cabinet Front.
Samsung Electronics
3-14
No
Parts
2
Fan
&
Motor
Procedure
Remark
1) Detach the Nut Flange like the picture on
the right side. (Turn counter clockwise
because the screw is right-handed.)
2) Detach the Fan Propeller.
3) Loosen 4 fixing screws to detach the Motor.
4) Disconnect the wire between ASS'Y
Control Out and Motor.
5) Loosen 2 fixing bolts and detach the
Bracket Motor.
3-15
Samsung Electronics
No
Parts
Procedure
3
ASS'Y Control Out
1) Detach several connectors from the
ASS'Y Control Out.
2) Detach several connectors from the PCB
of ASS'Y Control Out.
3) Pull up the ASS'Y Control Out.
4
Heat Exchanger
1) Release the refrigerant at first.
2) Loosen fixing screw on both sides.
3) Disassemble the pipes in both inlet and
outlet with welding torch.
4) Detach the Heat Exchanger.
Remark
5) Loosen 4 bolts fixed to assemble Valve
Service with Bracket Valve like the picture
on the right side.
Samsung Electronics
3-16
No
Parts
5
Compressor
Procedure
Remark
1) Loosen the fixing nut and detach the
Compressor Lead Wire.
2) Disassemble the Felt Compressor Sound.
3) Loosen the 3 bolts at the bottom of
Compressor like the picture on the
right side.
3-17
Samsung Electronics
NAC090FCADEH/EU AC100FCADEH/EU AC100FCADGH/EU
No
Parts
1
Cabi Front RH
Procedure
Remark
You must turn off the Power before
disassembly.
1) Unscrew and remove two mounting screw
in the Cabinet Front RH. (Use +Screw Driver)
2
Cabi Top
3
Cabi Install Front
Samsung Electronics
1) Unscrew and remove 9 screws
on each side of the Cabinet-Top.
(Use +Screw Driver)
1) Unscrew and remove 1 screw
in the Cabinet-Install Front.
(Use +Screw Driver)
3-18
No
Parts
4
Guard Cond
Procedure
Remark
1) Pull the sensor from Guard Cond.
2) Unscrew and remove 4 screws
in the Guard Cond.
(Use +Screw Driver)
5
Cabi Back RH
1) Pull the sensor from Cabi Back RH.
2) Unscrew and remove 4 screws
on each side of the Cabinet Back RH.
(Use +Screw Driver)
3-19
Samsung Electronics
No
Parts
6
Cabi Install Back
7
Cabi Front LF
Samsung Electronics
Procedure
Remark
1) Unscrew and remove 1 screw
in the Cabinet-Install Back.
(Use +Screw Driver)
1) Unscrew and remove 10 screws
in the Cabinet-Front LF.
(Use +Screw Driver)
3-20
No
Parts
8
Fan
3-21
Procedure
Remark
1) Turn 2 mounting nuts as shown in the
picture and remove it. (Use Adjustable
Wrench)
Samsung Electronics
No
Parts
Procedure
9
Motor
1) Separate the Fan Propeller.
2) Unscrew and remove the 4 Motor mounting
screws. (Use +Screw Driver)
Remark
3) Disconnect the Motor wire From
Ass'y Control Out.
10
Bracket Motor
Samsung Electronics
1) Unscrew and remove 2 mounting screws
in Bracket Motor. (Use +Screw Driver)
3-22
No
Parts
11
Control Out
Procedure
Remark
1) Disconnect 4 Connecters From
Ass'y Control Out.
2) Unscrew and remove 1 mounting screw
in Control Out. (Use +Screw Driver)
3) Separate Ass'y Control Out.
3-23
Samsung Electronics
No
Parts
12
Ass'y 4way Valve
Procedure
Remark
1) Purge the Coolant first.
2) Unscrew and remove 2mounting screws
in muffler.
3) Unscrew and remove 2 mounting screws
in Service Valve. (Use +Screw Driver)
4) Separate the pipe from the Entrance/Exit
using a welder.
When removing the compressor,
Heat Exchanger, and Pipe, purge the
Coolant inside the Compressor
completely and remove the pipe
with a welding flame.
Samsung Electronics
3-24
No
Parts
13
Ass;y EEV Valve
Procedure
Remark
1) Unscrew and remove 2 mounting screws
in Service Valve. (Use +Screw Driver)
2) Separate the pipe from the Entrance/Exit
using a welder.
14
Compressor
1) Unscrew and remove 1 mounting nut
in Cover Terminal. (Use Adjustable Wrench)
2) Separate the Compressor Felt Sound.
3-25
Samsung Electronics
No
Parts
Procedure
Remark
3) As shown in the picture, unscrew and
remove 3 mounting screws from the
bottom. (Use Adjustable Wrench)
15
Cond Out
1) Unscrew and remove 3 screws
on each side of the Assy Cond Out.
(Use +Screw Driver)
2) Separate the Compressor Felt Sound.
Samsung Electronics
3-26
4. Troubleshooting
4-1 Indoor Display Error and Check Method
■
Error detection and reoperation
▶ If error occurs during the operation, badness is indicated by LED flickering and all operation is stopped except LED.
▶ When reoperating by remote control and switch determine the error mode after normal operation.
■
Indoor unit LED lamp display at error detecting
LED Iamp display
Error type
Operation Defrost
Timer
Air flow
Filter
Power reset
◑
X
X
X
X
Error of temperature sensor in the indoor unit(Open/Short)
X
X
◑
X
X
Error of heat exchanger sensor in the indoor unit
◑
X
◑
X
X
Error of the outdoor temperature sensorError of the condensor
temperature sensor
Error of the discharge temperature sensorPower reset
◑
X
X
◑
X
1. No communication for 2 minutes between indoor units
(Communication error for more than 2 minutes)
2. Indoor unit receiving the communication error from
outdoor unit
3. Outdoor unit tracking 3 minutes error
4. When sending the communication error from the outdoor
unit, the mismatching of the communication numbers
and installed numbers after completion of tracking4.
(Communication error for more than 2 minutes)
X
X
◑
◑
X
1. Error of electronic expansion valve close
2. Error of electronic expansion valve open
3. 2'nd detection of high temperature cond
4. 2'nd detection of high temperature discharge
5. Error of reverse phase
6. Compressor down due to 6'th detection of freezing
X
X
◑
◑
◑
Detection of the float switch
X
X
X
◑
◑
Error of setting option switches for optional accessories
X
X
◑
X
◑
EEPROM option error
◑
◑
◑
◑
◑
Remarks
● : ON, ◑ : Flickering, X : OFF
※ If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
4-1
Samsung Electronics
4-1-1 Wired Remocon Error Display(COM2)
•If an error occurs,
is displayed on the wired remote controller. If you would like to see an error code, press the Test button.
Display
Explanation
Remark
Indoor unit Communication Error
Indoor/Outdoor unit Communication Time Out Error 60 Packet Over data
Indoor unit is not connected
Communication Error
Communication Error between Outdoor Main and Inverter Micom
(Occurred after 1 minute detection in Main and Inverter)
Indoor Temp. Sensor(Open/Short Error)
Indoor Unit Eva in Sensor(Open/Short Error)
Indoor Sensor Error
Indoor Unit Eva in Sensor Separation
Outdoor Temp. Sensor Error(Open/Short Error)
COND Temp. Sensor Error(Open/Short Error)
Outdoor Sensor Error
Inverter Compressor Discharge Temp. sensor Error(Open/Short Error)
Power cable miss connection error
Indoor Float Switch 2nd Detection
Outdoor unit - indoor unit communication wire miss connection
(Connected to Power terminal)
Outdoor unit refrigerant Full leakage(Gas leak)
Self Diagnosys Error
Outdoor Fan 1 Error
Outdoor Fan 2 Error
Discharge over temperature
[Inverter] Compressor starting error
Primary Current Over Trip error
[Inverter]IPM Over Current(O.C)
Outdoor UnitProtetion Control Error
[Inverter] Compressor Rotation error
[Inverter] Current Sensor error
[Inverter] DC LINK Sensor error
[Inverter] EEPROM Read/Write Error
[Inverter] Heatsink temperature over Error
Outdoor UnitProtetion Control Error
Outdoor unit Capacity Setup option error
Communication error between Indoor unit and wired remote control
Communication error between Master and Slave wired remote control
Wired remote control error
COM1/COM2 Cross-installed error
Error of setting option for wired remote control COM2
Samsung Electronics
4-2
4-2 Outdoor LED Error Display and Check Method
No.
LED Display
Explanation
Error Code
Yellow
Green
Red
1
|
|
|
Power off/ VDD NG
2
|
|
€
IPM Over Current(O.C)
|
|
z
|
z
z
4
|
€
|
Compressor Starting error
5
|
€
z
Normal Operation
6
|
z
|
Compressor Lock error
7
|
z
€
DC-Link voltage under/over error
8
€
|
€
Outdoor temperature sensor error
9
€
|
z
Discharge over temperature
10
€
€
|
Discharge temperature sensor error
11
€
€
z
Current sensor error
12
€
z
|
Compressor Limit error
13
€
z
€
Coil temperature sensor error
14
€
z
z
1min. Time out Communication
15
z
|
|
Fan error
16
z
|
€
OTP error
17
z
|
z
Compressor rotation error
18
z
€
|
Operation condition secession
19
z
€
€
DC-Link voltage sensor error
20
z
€
z
I_Trip error
21
z
z
|
GAS Leak error
22
z
z
€
Power Cable miss connection
23
z
z
z
Power ON reset(1sec)
24
€
|
|
Capacity miss match
25
|
€
€
Test Operation at Cooling Mode
-
26
€
€
€
Test Operation at Heating Mode
-
3
-
Abnormal Serial communication/Power Cable Miss Connection
-
-
| Off
4-3
€ Blink
z On
Samsung Electronics
4-3 Setting Option Setup Method
Setting an indoor unit option code
Model
Option code
AC052FBMDEH
011014-19626E-27343C-370010
Model
AC100FBMDEH
AC052FCADEH
AC100FCADEH
AC071FBMDEH
AC100FBMDEH
AC071FCADEH
AC090FBMDEH
AC090FCADEH
011017-1563A2-274750-370010
Option code
011034-15617C-276470-370000
AC100FCADGH
011034-15617C-275A64-350000
In order to set the indoor unit option code using the wired remote controller, hold down the
and
buttons at the same time for 5
seconds.
1
The menu will display .
Press the
button to enter the indoor unit option code
mode.
tThe first digit represents the page number and the remaining five
digits are option codes.
Page No.
2
Press the
button to change the page. You can change the
page from 0 to 3.
3
Press the
buttons and the
option code in order.
button to set the
tThe option code which is currently setting will flicker.
Option code
4
Press the
button to save the changed setting.
You will move to the menu selection display.
t Press the
button anytime during setup to exit without setting.
tOption code will not be applied if you don’t press the
button.
tSetting indoor unit option code is only possible in Master wired remote controller.
You can only check the indoor unit option code in Slave wired remote controller.
tSetting indoor unit option code is possible when one indoor unit is connected. If more than 2 indoor
units are connected, you can only check the Master indoor unit option code.
Samsung Electronics
4-4
Set the indoor unit address and installation option with remote controller option. Set the each option separately since
you cannot set the ADDRESS setting and indoor unit installation setting option at the same time.You need to set twice
when setting indoor unit address and installation option.
Setting an indoor unit address
In order to check and set the indoor unit Main/Group Address using the wired remote controller, hold
down the
1
2
and
buttons at the same time for 5 seconds.
The menu will display
.
Press the
button and the menu will display .
Press the
button.
The main address (decimal notation) and group address (hexadecimal notation) of currently set indoor unit will be displayed.
Menu No.
3
Press the
buttons and the
indoor unit Main/Group Address.
4
Press the
button to set the
button.
Wired remote controller sends data to an indoor unit.
5
Checking the Indoor unit
Indoor unit
RMC address
main address
Setting the
Indoor unit
main address
Press the
button to exit.
You will move to the menu selection display.
tPress the
button anytime during setup to exit without setting.
tSetting main/group address of an indoor unit is available only
with a master wired remote controller.
4-5
Samsung Electronics
Setting an indoor unit installation option
In order to check and set the indoor unit DIP option code using the wired remote controller, hold
down the
and
buttons at the same time for 5 seconds.
1 The menu will display
.
button until
Press the
is displayed.
2 Press the
button.
The current DIP option code set in an indoor unit will be
displayed.
Page number
DIP OPTION CODE
3 Press
button and change the page number.
The total option codes are 24digits.you can set six digits at a
time and it is distinguished by page number(0,1,2,3).
SGE1
SGE2
SGE3
0
2
RESERVED
SEG7
1
SEG13
SEG8
Drain pump
SEG14
SEG9
HOT COIL
SEG15
SGE4
Exterior temperature
sensor
SEG10
RESERVED
SEG16
2
External control
External control output
RESERVED
Buzzer
SEG19
SEG20
Individual control
of a remote
controller
SEG21
-
RESERVED
-
3
Samsung Electronics
SGE5
SGE6
Central control
RESERVED
SEG11
RESERVED
SEG17
-
SEG12
Master / Slave
SEG18
Number of hours
using filter
-
-
-
4-6
Option No. : 02XXXX-1XXXXX-2XXXXX-3XXXXX
Option
SEG1
Explanation
Indication
and Details
PAGE
SEG2
SEG4
Use of external
temperature
sensor
MODE
Indication Details Indication Details
0
SEG3
RESERVED
Indication Details Indication
0
1
2
Option
Explanation
SEG7
SEG8
SEG9
PAGE
Use of drain pump
HOT COIL
Indication Details Indication Details Indication Details
0
Disuse
0
Disuse
Indication
1
Use
1
Use
and Details
1
Use +
2
3minute
delay
Option
SEG13
SEG14
SEG15
Use
of
external
Setting
the output of
Explanation
PAGE
control
external control
Indication Details Indication Details Indication Details
Thermo
Disuse
0
0
on
Indication
ON/OFF
and Details
2
1
Control
Operation
1
on
OFF
2
Control
Option
SEG19
SEG20
SEG21
Individual control
Explanation
PAGE
of a remote
controller
Indication Details Indication Details
RESERVED
0 or 1 Indoor 1
Indication
Indoor 2
2
and Details
3
Indoor 3
3
Indoor 4
4
4
5
Press the
buttons and the
Indoor unit DIP option code.
Press the
SEG5
Disuse
Use
SEG10
RESERVED
SEG6
Use of central
control
0
1
RESERVED
Details
Disuse
Use
SEG11
RESERVED
SEG12
Master / Slave
Indication Details
0
slave
1
master
-
SEG16
SEG17
Buzzer control
Indication
RESERVED
Details
Use of
buzzer
0
Non use
of buzzer
1
-
SEG18
Number of hours using
filter
Indication
Details
2
1000 Hour
6
2000 Hour
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
button to set the
button.
Wired remote controller sends data to an indoor unit.
6
Press the
button to exit.
You will move to the menu selection display.
tPress the
button anytime during setup to exit without setting.
tSetting an indoor unit DIP option code is available only with a master wired remote controller.
tSetting an indoor unit DIP option code is available when there is one on one connection between a
wired remote controller and an indoor unit.
tIndoor unit DIP option code will not be applied if you don’t press the
button.
4-7
Samsung Electronics
Setting an indoor unit option code
Model
SEG1 SEG2 SEG3 SEG4 SEG5
0
1
1
0
1
AC052FBMDEH
0
1
1
0
1
AC052FCADEH
0
1
1
0
1
AC071FBMDEH
0
1
1
0
1
AC071FCADEH
0
1
1
0
3
AC090FBMDEH
0
1
1
0
3
AC090FCADEH
0
1
1
0
3
AC100FBMDEH
0
1
1
0
3
AC100FCADEH
0
1
1
0
3
AC100FBMDEH
0
1
1
0
3
AC100FCADGH
Model
SEG13 SEG14 SEG15 SEG16 SEG17
2
7
3
4
3
AC052FBMDEH
2
7
3
4
3
AC052FCADEH
2
7
4
7
5
AC071FBMDEH
2
7
4
7
5
AC071FCADEH
2
7
5
A
6
AC090FBMDEH
2
7
5
A
6
AC090FCADEH
2
7
6
4
7
AC100FBMDEH
2
7
6
4
7
AC100FCADEH
2
7
6
4
7
AC100FBMDEH
2
7
6
4
7
AC100FCADGH
Samsung Electronics
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
4
4
7
7
4
4
4
4
4
4
1
1
1
1
1
1
1
1
1
1
9
9
5
5
5
5
2
2
3
3
1
1
1
1
1
1
6
6
A
A
7
7
E
E
C
C
SEG18
SEG19
5
5
5
5
SEG20
6
6
6
6
6
6
6
6
6
6
SEG21
SEG22
7
7
7
7
SEG23
C
C
C
C
SEG24
C
C
0
0
4
4
0
0
0
0
3
3
3
3
3
3
3
3
3
3
7
7
0
0
7
7
0
0
5
5
7
7
7
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
4-8
4-4 Iterms to be checked first
1.
The input voltage should be rating voltage ±10% range.
The air conditioner may not operate properly if the voltage is out of this range.
2.
Is the link cable linking the indoor unit and the outdoor unit linked properly?
The indoor unit and the outdoor unit shall be linked by 4 cables.
Check the terminals if the indoor unit and outdoor unit are properly linked by the same number of cables.
Otherwise the air conditioner may not operate properly.
3.
When a problem occurs due to the contents illustrated in the table below it is a symptom not related to the
malfunction of the air conditioner.
4-9
No
Operation of air conditioner
Explanation
1
In a COOL operation mode, the compressor does not
operate at a room temperature higher than the setting
temperature that the INDOOR FAN should operate.
[In case of heat pump model]
In a HEAT operation mode, the compressor does not
operate at a room temperature lower than the setting
temperature that indoor fan should operate.
In happens after a delay of 3 minutes when the
compressor is reoperated.
The same phenomenon occurs when a power is
on.
As a phenomenon that the compressor is
reoperated after a delay of 3 minutes, the
indoor fan is adjusted automatically with
reference to a temperature of the air blew.
2
Compressor stops operation intermittently in
DRY( ) mode.
Compressor operation is controlled automatically
in DRY mode depending on the room temperature
and humidity.
3
[In case of heat pump model]
Compressor of the outdoor unit is operating although
it is turned off in a HEAT mode.
When the unit is turned off while de-ice is
activated, the compressor continues operation
for up to 12 minutes(maximum) until the deice
is completed.
4
[In case of heat pump model]
The compressor and indoor fan stop intermittently
in HEAT mode.
The compressor and indoor fan stop intermittently
if room temperature exceeds a setting
temperature in order to protect the compressor
from overheated air in a HEAT mode.
5
[In case of heat pump model]
Indoor fan and outdoor fan stop operation
intermittently in a HEAT mode.
The compressor operates in a reverse cycle to
remove exterior ice in a HEAT mode, and
indoor fan and outdoor fan do not operate
intermittently for within 20% of the total heater
operation.
Samsung Electronics
4-5 Fault Diagnosis by Symptom
4-5-1 No Power(completely dead) - Initial diagnosis
1. Checklist :
1) Is Power source voltage normal?
2) Is AC power linked correctly? ( miss-wiring, wire detaching etc. )
3) Is any LED on the MAIN PCB of Outdoor unit lit?
4) Is terminal voltage for indoor unit normal? (230Vac nominal)
5) Is Wired remote controller installed correctly?
2. Troubleshooting procedure
Turn off the breaker and turn it on after 30 seconds
Check outdoor unit terminal
block voltage on each N-R,N-S,N-T
(230Vac nominal)
No
Check AC power source. Reconnect wires correctly.
Yes
Check outdoor unit terminal
block voltage on L-N for indoor unit
(230Vac nominal)
No
Check Inner wiring of outdoor unit.
Yes
Check indoor unit terminal
block voltage on L-N
(230Vac nominal)
No
Check cable and connection of wire between
indoor and outdoor unit.
No
Check Indoor control PCB, Transformer,
and FUSE on PCB and replace one which is broken.
No
Check cable and connection of wire between
remote controller and indoor unit.
Yes
Check indoor unit terminal
block voltage on V1-V2
(12Vdc nominal)
Yes
Check DC power voltage of remote
controller(V1,V2)
Yes
Press the On/Off button on
the wired remote controller to operate the
air conditioner
No
Replace wired remote controller.
Yes
Check DIP SW in the wired remote controller
No
Set DIP SW correctly.
Yes
Is there any error display on the wired
remote controller
No
Check each item according to error code list.
No
Check the setting temperature
Samsung Electronics
4-10
4-5-2 The Outdoor unit Power Supply error
1. Checklist :
1) Are the input power voltage and power connection correct?
2) Is there any Fuse Short of the indoor or outdoor unit?
3) Is any LED lit on both MAIN PCB and INVERTER PCB?
4) Are Reactor wires of the outdoor unit connected correctly?
2. Troubleshooting procedure
Check LEDs on both MAIN PCB and
INVERTER PCB after1 minutesfrom
power on
Is voltage on N-T of terminal
block over 300V?
Yes
Check and correct the power cable wiring
No
MAIN PCB
ALL OFF
Error 202 display
(Table No. 14)
INVERTER PCB
ALL OFF
Are wire and socket connected
correctly? Power line N and
T wire(Terminal block reactor - EMI PCB), CN9(EMI PCB),
CN80(MAIN PCB)
No
Check and correct the wire or socket
connection
Yes
Check Fuses listed blow FUSE3(EMI PCB),
FUSE(MAIN PCB)
Yes
Correct the cable wiringbetween indoor and
outdoor
Is there miss connection of
power andcommunication wire
betweenindoor and outdoor?
Normal
No
Error 425 display
(Table No. 22)
ALL OFF
Is there any power wire
detachingespecially
phase R and S?
Are wire and socket connected
correctly? CN31(MAIN PCB),
CN10(INVERTER PCB)
Error 203 display
(Table No. 3)
ALL OFF
Check F1,F2 communication line wiring.
CN50(MAIN PCB)
Yes
Check and correct the power cable wiring
No
Check Fuses listed blow FUSE1(EMI PCB),
FUSE2(EMI PCB)
No
Check and correct the wiring
Yes
Is the FUSE on INVERTER PCB
blown?
Yes
Replace the FUSE
No
Error 466 display
(Table No. 7)
Error 466 display
(Table No. 7)
Is R100 on INVERTER PCB
open?(200ohm moninal)
Yes
No
Also check each BLDC FAN motoshort or not,
by resistance betweenpin #1 and #3
Check INVERTER PCB
Error 469 display
(Table No. 19)
Error 469 display
(Table No. 19)
Are wire and socket connected
correctly? CN05,06,07 TAB
terminal(EMI PCB),
CN20(INVERTER PCB)
No
Yes
4-11
Replace INVERTER PCB
Check and correct the wiring
Check the M/C
Samsung Electronics
4-5-3 The Outdoor unit Fan error
1. Checklist :
1) Are the input power voltage and power connection correct?
2) Is the motor wire connected to the outdoor PCB correctly?
3) Is there no obstacle at the surrounding of motor and propeller?
4) Does the driver in the motor case broken?
2. Troubleshooting procedure
Is the connection of FAN housing certainly to
PCB socket?(CN40, CN41)
No
Check AC power source. Reconnect wires correctly
Yes
Take off each Fan motor housing after 1 minutes from
turning off the power
Is each resistance of FAN cable housing pin #1-#3 over
1Mohm, pin #4-#3, #5-#3 and #6-#3 over 1Kohm on
each FAN motor?
No
# TEST operation #
press K900 button on the
MAIN PCB after power on.
- once : cooling mode
- twice in a second : heating mode
Yes
Mount each Fan housing to PCB socket and turn
on the power
Is the Pin voltage #1 - #3 of CN40 and 41over 250V?
Exchange the FAN motor because of driver inside
of the motor case broken
No
Follow the check procedure of outdoor unit power
supply error check
Yes
Is the Pin voltage #5 - #3 of CN40 and 41 15V?
No
Exchange INVERTER PCB
Yes
Is the Pin voltage #5 - #3 of CN40 and 41within 1-6V
during the operation?
No
Exchange INVERTER PCB
Yes
Is the Fan in rotation during TEST operation in
cooling mode
No
Exchange the FAN motor not in rotation
Yes
Is the Pin voltage #6 - #3 of CN40 and 41changed
high(4-5V) and low(0-1V) in case ofmaking manual
rotation slowly?
Yes
Exchange INVERTER PCB
No
Is the Pin voltage #7 - #3 of CN40 and 41 low(0-1V) in
normal rotation?
No
Exchange the FAN motor
Yes
Exchange the FAN motor
Samsung Electronics
4-12
4-5-4 Total current trip error
1. Checklist :
1) Is the input power voltage proper?
2) Is the refrigerant charged properly?
3) Does the compressor rotate normally?(Reverse rotation, Locking etc.)
4) Does the outdoor fan operate normally?(Fan propeller loss, Motor error ect.)
5) Is the installation condition of outdoor unit good?(Piping, Space etc.)
6) Is there no ventilation obstruction at the surrounding of outdoor unit?(Outdoor unit cover, Fan front obstruction etc.)
7) Is there no ventilation obstruction at the surrounding of indoor unit?(Overload condition in heating mode)
2. Troubleshooting procedure
Is the installation of outdoor unit good?
No
Reinstall and remove the obstruction
Yes
Is the installation of indoor unit good?
No
Reinstall and remove the obstruction
No
Exchange the compressor
No
Open valve screw to the end
No
Check AC power source
Yes
Does the compressor rotate normally?
Yes
Are the service valves full opened?
Yes
Is AC power voltage normal during
thecompressor in operation?
Yes
Exchange INVERTER PCB
4-13
Samsung Electronics
4-5-5 In case of heating at the cooling mode or cooling at the heating mode
1. Troubleshooting procedure
No
Is the Thermo off?
Change the setting temperature of remote control
No
Yes
Is the unit in the defrosting
operation?
Check Inner wiring of outdoor unit.
No
Yes
Is the compressorin 3 minutes off?
After 3 minutes, coolingand heating start automatically
No
Is much frostin the indoor
heat exchanger?
Yes
Is the outdoor air sensor and
outdoor heat exchanger
attachedcorrectly?
No
Does the 4-WAY valve
operate normally?
No
Yes
Yes
Is the 4-WAY valve
connectorconnected
correctly?
Attach the sensor correctly
Over shortage of the
refrigerant
No
Connect the connecter
correctly
Yes
Check the resistance value of 4-WAY
valve coil
No
4-WAY valve coil error
Yes
Dose thevoltage of
AC220V apply to the
connector of
4-WAY valve coil during
the operation?
No
Exchangethe outdoor PCB
Yes
Go to the next page
Samsung Electronics
4-WAY valve main body error
4-14
4-5-5 In case of heating at the cooling mode or cooling at the heating mode(cont.)
Go to the next page
Does theEEV
operatenormally?
No
Is much frostin the heat
exchanger?
No
Connect the connector.
Yes
Check the resistance value of
EEV coil
No
EEV coil error
Yes
Yes
Is much frostin the heat
exchanger?
No
Exchangethe out PCB
Yes
EEV main body error
Doesthe outdoor fan
operate at the operation
of compressor?
Yes
The over shortage of refrigerant, Insufficient Capacity,
Load estimation error
No
Is theoutdoor fan
connectedcorrectly?
No
Connect the connector
Yes
Check the resistance value of
outdoor fan
No
Outdoor fan error
Yes
Is theoutdoor fan
connectedcorrectly?
Yes
Check the motor wire
No
Outdoor PCB error
4-15
Samsung Electronics
4-5-6 Outdoor temperature sensor error
1. Checklist :
1) Is the sensor connector connected correctly?
2) Is the sensor placed correctly?
3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature?
4) Is the resistance value of sensor connection pull_up correct?
2. Troubleshooting procedure
Is the sensor connector connectedcorrectly in
accordance with a color?
Reconnect the sensor connector
Yes
No
Is the temperature sensor connectedcorrectly
without separation?
Change the position of sensor
Yes
No
Does the both terminal of sensorsatisfy the
resistance value in accordance with temperature?
(Refer to the R/T TABLE)
No
Exchange the sensor
Yes
No
Is the resistance valueof sensor connection
pull_up 18K?
No
Exchange the PCB
Yes
Exchange the PCB
Normal operation
Exit
400.0
350.0
300.0
250.0
200.0
150.0
100.0
50.0
Samsung Electronics
94
103
85
76
67
58
49
40
31
22
4
13
-5
-14
-23
-32
-41
-50
0.0
4-16
4-5-7 Discharge temperature sensor error
1. Checklist :
1) Is the sensor connector connected correctly?
2) Is the sensor placed correctly?
3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature?
4) Is the resistance value of sensor connection pull_up correct?
2. Troubleshooting procedure
Is the sensor connector connectedcorrectly in
accordance with a color?
Reconnect the sensor connector
Yes
No
Is the temperature sensor connectedcorrectly
without separation?
Change the position of sensor
Yes
No
Does the both terminal of sensorsatisfy the
resistance value in accordance with temperature?
(Refer to the R/T TABLE)
No
Exchange the sensor
Yes
No
Is the resistance valueof sensor connection
pull_up 24K?
No
Exchange the PCB
Yes
Exchange the PCB
Normal operation
Exit
600.0
500.0
400.0
300.0
200.0
100.0
4-17
160
152
144
136
128
120
112
96
104
88
80
72
64
56
48
40
32
24
8
16
0
0.0
Samsung Electronics
4-5-8 Coil temperature sensor error
1. Checklist :
1) Is the sensor connector connected correctly?
2) Is the sensor placed correctly?
3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature?
4) Is the resistance value of sensor connection pull_up correct?
2. Troubleshooting procedure
Is the sensor connector connectedcorrectly in
accordance with a color?
Reconnect the sensor connector
Yes
No
Is the temperature sensor connectedcorrectly
without separation?
Change the position of sensor
Yes
No
Does the both terminal of sensorsatisfy the
resistance value in accordance with temperature?
(Refer to the R/T TABLE)
No
Exchange the sensor
Yes
No
Is the resistance valueof sensor connection
pull_up 18.2K?
No
Exchange the PCB
Yes
Exchange the PCB
Normal operation
Exit
400.0
350.0
300.0
250.0
200.0
150.0
100.0
50.0
Samsung Electronics
103
94
85
76
67
58
49
40
31
22
4
13
-5
-14
-23
-32
-41
-50
0.0
4-18
4-5-9 Fan error
1. Checklist :
1) Isn’t the fan locked?
2) Is the sensor placed correctly?
3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature?
4) Is the resistance value of sensor connection pull_up correct?
2. Troubleshooting procedure
Isn't the Fan locked?
Remove the Fan lock
Yes
No
Is the connector connected correctly?
No
Connect the connector
Yes
No
Is the color of Fan wire matched correctly?
Exchange the Fan
Yes
Exchange the PCB
Normal operation
Exit
4-19
Samsung Electronics
4-5-10 DC-Link voltage sensor error
1. Checklist :
1) Is the connection of R, S, T power wire normal?
2) Are Relay RY21 and R200 on the INVERTER PCB mounted normally?
2. Troubleshooting procedure
Are connection of the wire from INVERTER PBA to
EMI PBA normal?
No
Check and correct the wire connection
Yes
Exchange INVERTER PCB
Samsung Electronics
4-20
4-5-11 O.C.(Over Cirrent) error
1. Checklist :
1) Is the refrigerant charged properly?
2) Does the compressor rotate normally?(Reverse rotation, Locking etc.)
3) Is connection of compressor wire normal?
4) Is compressor motor normal?(Insulation, Coil resistance etc.)
5) Does a temporary cycle overload condition happened?
2. Troubleshooting procedure
Is the installation of outdoor unit good?
No
Reinstall and remove the obstruction
Yes
Is the installation of indoor unit good?
No
Reinstall and remove the obstruction
No
Open valve screw to the end
No
Correct the compressor wire connection
No
Exchange the compressor
No
Exchange the compressor
Yes
Check AC power source
Yes
Are the service valves full opened?
Yes
Does the compressor wire connected to
the compressor normally?
Yes
Is insuration resistance between each compressor
terminal and body normal?
Yes
Does the compressor rotate normally?
Yes
Did AC power voltage interruption happen during
the compressor in operation?
No
Exchange INVERTER PCB
4-21
Samsung Electronics
4-5-12 Communication error
1. Checklist :
1) Is the communication cable between the indoor unit and outdoor unit connected correctly?
2) Isn’t the power cable and communication cable wiring error?
2. Troubleshooting procedure
Restart after power off
Is the communication erroroccurred again?
No
Terminate the service
No
Correct the wrong wiring
No
Correct the compressor wire connection
No
Correct the connection of communication cable
Yes
Isn't the power cable andcommunication
cable wiring error?
Yes
Is the connection of communication cable normal?
Yes
Is insuration resistance between each compressor
terminal and body normal?
Yes
Exchange the outdoor unit PCB
Samsung Electronics
4-22
4-5-13 Compressor start error
1. Checklist :
1) Is the connection of cable for the compressor and power?
2) Is the interphase resistance of compressor normal?
2. Troubleshooting procedure
Restart after power off
Is the restart error occurred again?
No
Terminate the service
No
Exchange the compressor
No
Exchange the compressor
No
Correct the cable connection
Yes
Is the interphase resistance value of compressor
(u v, v w, w u) normal?
Yes
Is the compressor body and interphase
resistance insulated?
Yes
Is the connection cable for thecompressor and
power terminal normal?
Yes
Exchange the PCB
4-23
Samsung Electronics
4-5-14 Compressor lock error
1. Checklist :
1) Is the connection of cable for the compressor and power?
2) Is the interphase resistance of compressor normal?
2. Troubleshooting procedure
Restart after power off
Is the lock error occurred again?
No
Terminate the service
No
Exchange the compressor
No
Exchange the compressor
No
Correct the cable connection
Yes
Is the interphase resistance value ofcompressor
(u v, v w, w u) normal?
Yes
Is the compressor body and interphase
resistance insulated?
Yes
Is the connection cable for the compressor and
power terminal normal?
Yes
Exchange the outdoor unit PCB
Samsung Electronics
4-24
4-5-15 DC Link Over voltage/Low voltage error
1. Checklist :
1) Is the power voltage normal?(Lightning, Power interruption etc.)
2) Is AC Power cable connection normal?(Detaching the wire)
2. Troubleshooting procedure
Is the AC Power cable connection to the
outdoor unit terminal block good?
No
Check and reconnecting the AC power cable wire
No
Check and reconnecting the reactor wireat
the TAB terminal
Yes
Replace the blown FUSE
No
Exchange M/C
Yes
Exchange INVERTER PCB
Yes
Is the connection of reactor terminal good?
Yes
Are the FUSEs on EMI PCB blown?
No
Push the center bar of M/C and mesure
the resis-tance of each contact
Is each contact resistance normal? (less than 0.1ohm)
Yes
Does the error reappear frequently
No
The cause of this error may be power source trouble
as like power interruption.Check the power source
4-25
Samsung Electronics
4-6 PCB Inspection Method
4-6-1 Pre-inspection Notices
1. Turn off the breaker, AC power source, before disassembling the unit because of electrical hazard.
2. Confirm the complete discharge of capacitor C102, C702, C703, C704, C705, C706, C707 on the INVERTER PCB when you touch
the PCB. Especially dischargeing speed of C702-C707 is very slow because of little load in stand-by condition. To confirm
the voltae of 702-C707, measure the DC link voltage at the IGBT module pins near C701 at which applying voltage (450-510Vdc) is
marked. To confirm discharging of C102, measure the voltage of non mounted C103 solder hole or check if all LEDs are off.
3. Don’t touch the metal body of electrolytic capacitor for avoiding electrical shock before confirming discharge.
4. To discharging the capacitor use power resistor of about 1 Kohm 10W. Soldering tool(non electronic temperature control type)
can be used as a discharging resistor.
5. Don’t pull the lead wire but hold the whole housing to disconnect or connect a housing from or to the PCB.
4-6-2 Inspection Procedure
1. Check the connection of each housing to the connector first and the peeling of PCB copper pattern.
2. The PCB is composed of the 3 part in the indoor unit.
● INDOOR Main PCB part : Indoor unit control, MICOM and surrounding circuit, relay, fan motor driving circuit, sensor reading
circuit, buzzer driving circuit and DC power supplying circuit.
● Display PCB part : LED lamps, Switch,Remocon module.
● INDOOR EMI PCB part : Line filter, Noise Capacitor and Varistor
3. The PCB is composed of the 3 part in the outdoor unit.
● EMI PCB part : Line filter for electrical noise, Varistors for surge and Fuses.
● MAIN PCB part : Refrigeration cycle controller with MICOM
● INVERTER PCB part : Compressor driving inverter and BLDC fan controller
4-6-3 Indoor Detailed Inspection Procedure
No
1
Procedure
Open the electronic
component box and
check the PCB fuse
Inspection Method
Turn off the power
1) Is the Fuse F701 on the EMI PCB blown?
2) Is the Fuse F702 on the MAIM PCB blown?
Cause
•Over current
•Indoor fan motor short
•PCB AC Part pattern short
Check the LEDs for
DC power and
communication condition
Turn off the power
1) Is RED LED blinking?
his led means micom is running normally
2) Is GREEN LED blinking?
This means communication between
Indoor and Outdoor unit is on
3) Is YELLOW LED blinking?
This means communication between
Indoor and wired remote controller is on
It may take one minute to start
communication
•Communication ciucuit trouble
•Communication wire
connection trouble
•Wrong connection for
power supply wire of
remote controller
Check the DIP and rotary
switch on the PCB
1) Is the setting of each switch proper?
•Wrong setting of switch
Check the DC voltage
1) Is the voltage of CN32 pin #1-#2 12V?
2) Is the voltage of C109 V?
•SMPS on MAIN PBA trouble
•Load short
FAN operation checking
Press the ON/OFF button.
1. FAN Speed[HIGH]
2. FAN mode
1) Is the FAN motor running?
2) Is the connection of CN73 normal?
•Controller trouble inside of
the fan motor
•Connector trouble of CN73
2
3
4
5
Samsung Electronics
4-26
4-6-4 Outdoor Detailed Inspection Procedure
No
1
Procedure
Inspection Method
Turn OFF the powerand Wait until C702-C707 discharged
check wire and socket 1) Is connection of housing to socket normal?
connection on each part 2) Is connection of each wire to terminal
block normal?
3) Is the reactor wire connection normal?
4) Is there no miss-wiring of each cable?
Cause
•Installation mistake
•Miss assembling
FUSE check
Is the fuses on each PCB normal?
3 fuese on EMI PCB
1 fuse on MAIN PCB
1 fuse on INVERTER PCB
•Wire short
•Overload
•BLDC FAN short error
Turn on the powerand
check voltage of
terminal block
Is N-R,N-S,N-T around 230Vac?
Is R-S,S-T,T-R around 400Vac?
Is L-N(to indoor unit) around 230Vac?
Is F1-F2 within 5Vdc?
•Miss wiring of power cable
•Wire detaching
Check LED display on
AIN P
1) Is RED LED ON?
2) Is GREEN LED Blinking once a second?
3) Is LEDs displaying error code pattern?
•MAIN PCB power trouble
•Bad communication between
indoor and outdoor unit
•Error detection
Check LED display on
INVERTER PCB
1) Is RED LED ON?
2) Is GREEN LED Blinking once a second?
3) Is LEDs displaying error code pattern?
•INVERTER PCB power trouble
•NO communication between
MAIN and INVERTER PCB
•Error detection
Check DC voltage of
SMPS output
MAIN PCB
1) Is voltage of CN51 pin#1-#2 12-14.5V?
2) Is voltage of C108 5V?
•SMPS circuit trouble
2
3
4
5
INVERTER PCB
3) Is voltage of CN51 pin#1-#2 5V?
4) Is voltage of C124 12V?
5) Is voltage of each ZD100,ZD101,ZD102,
ZD103 17-18V?
6
Check INVERTER PCB
1) Is resistance of R100 200ohm?
To check this, touch one probe to
CN10 pin#1(N) and the other to D101
upper side pin of '~' marking pins
2) Is DC Link voltage 450-510V?
Check IGBT module pins marking voltage
near C70
Check BLDC fan
1) See 12-2-3 The Outdoor unit Fan error
(Fault Diagnosis)
7
8
4-27
•Resister
•Wire connection between
EMI PCB and INVERTER PCB
Samsung Electronics
4-7 Main Part Inspection Method
Part
Indoor Unit Temperature Sensor
Indoor Unit BLDC FAN Motor
Breakdown Inspection Method
Measure sensor resistance with a multimeter
Normal
At the normal temperature 37kΩ~8.3kΩ(-7˚C~+30˚C)
Abnormal
∞,0Ω...Open or Short
Measure terminal resistance with a multimeter
At the normal temperature(10˚C~30˚C)
Normal
Abnormal
Outdoor Unit
Outdoor Temperature Sensor
&
Cond Temperature Senso
Outdoor Unit Discharge
Temperature Sensorr
Outdoor Unit BLDC FAN MOTOR
Wire
RED - BLACK
WHITE - BLACK
Pin number
1-3
4-3
Resistance
Over 1MΩ
1KΩ ~ 2KΩ
Remark
+300V motor power
+15V control power
YELLOW - BLACK
BLUE - BLACK
5-3
6-3
200KΩ ~ 300KΩ
10KΩ ~ 50KΩ
control
pulse
∞,0Ω...Open or Short
Measure terminal resistance with a multimeter
Normal
At the normal temperature 37kΩ~8.3kΩ(-7˚C~+30˚C)
see 12-2-6 and 12-2-8
Abnormal
∞,0Ω...Open or Short
Measure terminal resistance with a multimeter
Normal
At the normal temperature 563kΩ~157kΩ(0˚C~+30˚C)
see 12-2-7
Abnormal
∞,0Ω...Open or Short
Measure terminal resistance with a multimeter
At the normal temperature(10˚C~30˚C)
Normal
Abnormal
Outdoor Unit 4way Valve Solenoid
Samsung Electronics
Wire
RED - BLACK
WHITE - BLACK
Pin number
1-3
4-3
Resistance
Over 1MΩ
1KΩ ~ 2KΩ
Remark
+300V motor power
+15V control power
YELLOW - BLACK
BLUE - BLACK
ORANGE - BLACK
5-3
6-3
7-3
200KΩ ~ 300KΩ
10KΩ ~ 50KΩ
10KΩ ~ 50KΩ
control
pulse
reverse
∞,0Ω...Open or Short
Measure sensor resistance with a multimeter
Normal
At the normal temperature(10˚C~30˚C) 1.6KΩ±15%
Abnormal
∞,0Ω...Open or Short
4-28
5. PCB Diagram
5-1 PCB Diagram
5-1-1 Indoor Unit
1
19 18
5-1
15 20
17 16
21
2
3
14
4
9
5
22
6
7
23
8
24
10
25
11
12 13
Samsung Electronics
1
Floating S/W : SMW250-02(BLK)
13
Wired Remote Controller Communication : YW396-02(BLU)
Indoor Pipe In Temperature Sensor : SMW250-04(WHT)
14
Option Load Connector : SMW250-05(YEL)
Indoor Room Temperature Sensor : SMW250-04(WHT)
15
Heater : YW39607AV(WHT)
Indoor Pipe Out : SMW250-02(WHT)
16
Indoor Address S/W
Temperature Sensor : SMW250-02(WHT)
17
Indoor Option S/W
Heater Discharge : SMW250-02(YEL)
18
Indoor Fan(TAP) : YW396-09AV(WHT)
Temperature Sensor : SMW250-02(YEL)
19
Ventilator : YW396-03AV(BLK)
5
Wired Remote Controller Power : YW396-02(WHT)
20
Drain Pump : YW396-03AV(YEL)
6
External Control(S/W Part) : SMW250-02(RED)
21
Hot Coil : YW396-03AV(RED)
7
EEV : SMW250-05(BLU) : SMW250-05(BLU)
22
Indoor Fan(SSR) : YW396-03AV(RED)
8
Display : SMW200-11(WHT) : SMW200-11(WHT)
9
External Control(Display Part) : SMW250-04(RED)
10
HALL IC : SMW250-03(BLU)
11
MICOM Download : SMW200-10(WHT)
12
Indoor/Outdoor Communication : YW396-02(RED)
2
3
4
Samsung Electronics
23
Power : YW396-03AV(WHT)
Transformer Out : YW396-03AV(WHT)
24
25
Main Power In : YW396-03AV(BLU)
Power : YW396-03AV(BLU)
Transformer In : SMW250-03(RED)
5-2
1
2
3
1
2
3
5-3
"$QPXFS:87#-6
18.4JHOBMJO4.88)5
#-%$'"/:878)5
Samsung Electronics
5-1-2 Outdoor Unit PCB (cont.)
■ MAIN PCB
AC052FCADEH/EU
13
1
2
3
4
12
5
6
7
8
9
① 4WAY CONNECTOR
② MAIN-SUB CONNECTOR
③ 485 COMMUNICATION CONNECTOR
④ OLP THERMISTOR CONNECTOR
⑤ S-NET CONNECTOR
⑥ EEV-A CONNECTOR
⑦ OUT/DIS/COND CONNECTOR
⑧ DOWNLOAD-MAIN CONNECTOR
⑨ CENTRAL-CTL CONNECTOR
⑩ BLDC-FAN CONNECTOR
⑪ DOWNLOAD-INV CONNECTOR
⑫ COMP CONNECTOR
⑬ REACTOR CONNECTOR
5-4
10
11
YAW396-03AV WHT
SMW200-28C WHT
SMW250-02 RED
SMAW250-02 WHT
SMW200-28C WHT
SMAW250-06 RED
SMW250-06 BLU
SMAW200-10P BLK
SMW200-05P WHT
YW396-06V WHT
SMAW200-10P RED
DBT061-3P WHT
DBT081-2P WHT
Samsung Electronics
Outdoor Unit PCB (cont.)
■ MAIN PCB
AC071FCADEH/EU
1
2
3
4
5
6
7
8
9
10
11
① OLP /COND THERMISTOR CONNECTOR
② OUT/DISCHARGE THERMISTOR CONNECTOR
③ BLDC-FAN CONNETCOR
④ EEV-A CONNECTOR
⑤ DISPLAY CONNECTOR
⑥ DISPLAY CONNECTOR
⑦ PC DOWNLOADCONNECTOR
⑧ S NE T CONNECTOR
⑨ AS-PRO DOWNLOAD CONNECTOR
⑩ DISPLAY CONNE CTORS
⑪ DOWNLOAD-INV CONNECTOR S
Samsung Electronics
SMAW250A-04 WHT
SMAW250A-04 RE
YAN396-06V WHT
SMAW250A-05 RED
SMW200-10 NTR
SMAW250A-03 RED
SMW200-10 BLK
SMW200-04 NTR
SMAW200A-07 WHT
MW200-05 NTR
MW200-10 RED
5-5
Outdoor Unit PCB (cont.)
■ SUB PCB
AC052FCADEH/EU
4
3
2
1
① EVAP THERMISTOR CONNECTOR
② EEV-B CONNECTOR
③ DISPLAY-MAIN CONNECTOR
④ 12V POWER CONNECTOR
5-6
SMW250-08 WHT
SMW250-05 YEL
SMW200-28 WHT
YW396-02AV BLU
Samsung Electronics
Outdoor Unit PCB (cont.)
■ SUB PCB
AC071FCADEH/EU
1
① 12V POWER CONNECTOR
② MAIN -SUB SIGNAL CONNECTOT
③ MAIN -SUB SIGNAL CONNECTOT
Samsung Electronics
2
3
YW396-02V BLU
SMW250-04 WHT
SMW200-15NTR
5-7
Outdoor Unit PCB (cont.)
■ MAIN PCB
AC090FCADEH/EU AC0100FCADEH/EU AC100FCADGH/EU
1
5
2 6
3 16
15
5-8
4
7
9
8
11
10
13
12
14
Samsung Electronics
① CN11-AC POWER
② CN74-AC LOAD1
③ CN75-4WAY V/V
④ CN71-AC LOAD2(Option)
#1-#3 : 220~240Vac
#1-#3 : 220~240Vac
#1-#3 : 220~240Vac
#1-#3 : 220~240Vac
⑤ CN37-Micom Download
#1 : RXD_INV
#2 : TXD_INV
#3, #8 : N.C
#4 ~ #7 : Data signal
#9 : GND
#10 : DC 5V
⑥ CN35-AS-PRO
#1 : DC 5V
#2 : MODE
#3 : Reset
#4~#6 : GRID_3/1/2
#7 : GND
⑦ CN43-Sensor
#1-#2 : Outdoor Temp.
#3-#4 : Cond. Temp.
#5-#6 : Discharge Temp.
#7-#8 : OLP Temp.
⑧ CN81-EEV 1
#1~#4 : Motor signal
#5 : DC 12V
⑨ CN82-EEV 2(Option)
#1~#4 : Motor signal
#5 : DC 12V
⑩ CN83-EEV 3(Option)
#1~#4 : Motor signal
#5 : DC 12V
⑪ CN39-COMM-INV
#1 : TXD
#2 : RXD
#3 : GND
#4 : DC 5V
#5 : DC 12V
#6 : INV. SMPS signal
⑫ CN44-TEMP OPTION(Option)
#1 : Temp. signal
#2 : GND
⑬ CN42-High Pressure(Option)
#1 : High Pressure temp. signal
#3 : GND
#4 : DC 5V
⑭ CN12-DC12V
#1 : DC 12V
#2 : GND
⑮ CN31-Comm.
#1 : COM1
#2 : COM2
⑯ CN33-Sub Comm.
#1 : DC 12V
#2 : GND
#3 : DC 5V
#4 : COM1
#5 : COM2
Samsung Electronics
5-9
Outdoor Unit PCB (cont.)
■ Inverter PCB : 3Phase
AC100FCADGH/EU
1
2
6
9
7
3
8
4
5
① RST-AC POWER 3phase
#R : AC 380~400V : WHT
#S : AC 380~400V : BRN
#T : AC 380~400V : BLK
② CN100-AC POWER
#1-#3 : AC 220~240V
③ CN31-MAIN COMM
#1 : RXD , #2 : TXD
#3 : GND, #4 : DC 5V
#5 : DC 12V, #6 : INV. SMPS signal
④ CN22-Downloader
#1 : RXD_ATARO, #2 : TXD_ATARO
#3, #8 : N.C, #4~#7 : DATA signal
#9 : GND, #10 : DC 5V
⑤ CN21-DAC/ENCODER
For S/W engineer debugging
⑥ CN91-FAN2
#1 : DC 360V, #2 : N.C
#3 : GND, #4 : DC 15V
#5 : FAN RPM, #6 : FAN RPM feedback
⑦ CN90-FAN1
#1 : DC 360V, #2 : N.C
#3 : GND, #4 : DC 15V
#5 : FAN RPM, #6 : FAN RPM feedback
⑧ CN800-COMP.
#1 : COMP. U-phase(RED)
#2 : COMP. V-phase(BLU)
#3 : COMP. U-phase(YEL)
⑨ CN600-REACTOR
#1-#2 : DCL Reactor
5-10
Samsung Electronics
Outdoor Unit PCB (cont.)
■ EMI PCB : 1Phase
AC090FCADEH/EU AC0100FCADEH/EU
2
3
1
① L1-AC POWER L phase
L1 : BRN
Samsung Electronics
② N1-AC POWER N phase
N1 : SKY-BLU
③ CN01-AC POWER
#1-#3 : AC 220~240V
5-11
Outdoor Unit PCB (cont.)
■ EMI PCB : 3Phase
AC100FCADGH/EU
1
2
① RST-AC POWER 3phase
#R : AC 380~400V : WHT
#S : AC 380~400V : BRN
#T : AC 380~400V : BLK
5-12
② CN100-AC POWER
#1-#3 : AC 220~240V
Samsung Electronics
6. Wiring Diagram
6-1 Indoor Unit
This Document can not be used without Samsung’s authorization.
Samsung Electronics
6-1
6-2 Outdoor Unit
■ Outdoor Unit :
AC071FCADEH/EU
This Document can not be used without Samsung’s authorization.
6-2
Samsung Electronics
Outdoor Unit (cont.)
■ Outdoor Unit :
AC090FCADEH/EU AC100FCADEH/EU
This Document can not be used without Samsung’s authorization.
Samsung Electronics
6-3
Outdoor Unit (cont.)
■ Outdoor Unit :
AC100FCADGH/EU
This Document can not be used without Samsung’s authorization.
6-4
Samsung Electronics
■ Outdoor Unit :
AC052FCADEH/EU
Samsung Electronics
6-5
Samsung Electronics
7-1-1 -1MAIN PCB
7-1 Indoor Unit
7. Schematic Diagram
This Document can not be used without Samsung’s authorization.
7-1
7-1-1-2MAIN PCB
Samsung Electronics
7-2
Samsung Electronics
7-4
AC052FCADEH/EU
■ MAIN PCB :
7-1-2 OUTDOOR UNIT PCB
Samsung Electronics
Samsung Electronics
This Document can not be used without Samsung’s authorization.
7-3
7-5
Samsung
Electronics
7-6
AC052FCADEH/EU
■ SUB PCB:
OUTDOOR UNIT PCB (cont.)
Samsung Electronics
Samsung Electronics
This Document can not be used without Samsung’s authorization.
7-2
7-7
Samsung Electronics
7-8
■ MAIN PCB :
AC071FCADEH/EU
OUTDOOR UNIT PCB (cont.)
Samsung Electronics
Samsung Electronics
This Document can not be used without Samsung’s authorization.
7-3
7-9
Samsung Electronics
7-10
■ MAIN PCB :
AC071FCADEH/EU
OUTDOOR UNIT PCB (cont.)
Samsung Electronics
Samsung Electronics
This Document can not be used without Samsung’s authorization.
7-4
7-11
Samsung Electronics
■ MAIN PCB :
AC090FCADEH/EU AC100FCADEH/EU AC100FCADGH/EU
OUTDOOR UNIT PCB (cont.)
This Document can not be used without Samsung’s authorization.
7-5
Samsung Electronics
AC090FCADEH/EU AC100FCADEH/EU
■ Inverter PCB : 1Phase I
OUTDOOR UNIT PCB (cont.)
This Document can not be used without Samsung’s authorization.
7-6
Samsung Electronics
AC090FCADEH/EU AC100FCADEH/EU
■ EMI PCB : 1Phase
OUTDOOR UNIT PCB (cont.)
This Document can not be used without Samsung’s authorization.
7-7
Samsung Electronics
AC100FCADGH/EU
▒ EMI PCB : 3Phase
OUTDOOR UNIT PCB (cont.)
7-8
8. Reference Sheet
8-1 Index for Model Name
AC
H
026
H
FH
BH
NH
DH
EH
HH
/H
EU
H
Buyer Name
Model Code
Capacity (3 DIGIT)
KW / BTU / Liter
Rating Voltage
Product Type
Code
Type
E
2012
F
2013
G
2014
H
2015
I
2016
J
2017
Code
Type
A
A(115V, 60hz, 1Ф)
B
B(220V, 60Hz, 1Ф)
C
C(208~230V, 60Hz)
D
D(200~220V, 50Hz)
E
E(220~240V, 50Hz)
F
F(208~230V, 60Hz, 3Ф)
G
G(380~415V, 50Hz, 3Ф)
H
H(380V, 60Hz, 3Ф)
J
J(460V, 60Hz, 3Ф)
K
K(220~240V, 50/60Hz, 1Ф)
Product Type
M
M(127V, 50Hz)
Code
Type
N
N (380~415V, 50/60Hz, 3Ф)
AM
DVM
AJ
PMA
AC
CAC (USD) / ASD
AE
EHS
AN
VTL
AK
PAK (Packaged
System)
AG
CHR
Product Type
Product Type (Indoor)
Code
Type
S
Set (NASA)
N
Indoor (NASA)
Code
Type
X
Outdoor(NASA)
C
COOLING ONLY
A
Set ( NASA)
H
HEAT PUMP
B
Indoor ( No NASA)
R
HEAT RECOVERY
C
Outdoor (No NASA)
D
COOLING ONLY
E
HEAT PUMP
A
Cooling only
B
Heat Pump
N
N/A
Refrigerant
Product Type (Outdoor)
Code
Type
Code
Type
1
1 WAY CST
A
Inv+Side+General Temp
Refrigerant
R410a
R22
R134
2
2 WAY CST
S
Inv+Side+Low Temp
N
MINI 4 WAY CST
Q
Inv+Side+Tropical Temp
4
4 WAY CST
F
Inv+Top+Tropical Temp
Code
Type
Code
Type
H
HSP DUCT
B
Non Inv+Side+General Temp
F
FLAGSHIP
A
M
MSP DUCT
N
Non Inv+Side+Low Temp
P
PREMIUM
L
LSP DUCT
R
Non Inv+Side+Tropical Temp
D
DELUXE
B
STANDARD+GENERAL
Temp.+MODULE
STANDARD+LOW
Temp.+MODULE
E
Z
Non Inv+Top+Tropical Temp
S
STANDARD
C
STANDARD+
TROPICAL+MODULE
G
FRESH AIR INTAKE
DUCT
CEILING CONCEILED
DUCT
D
STANDARD+GENERAL
Temp.+NON MODULE
C
CEILING
Product Type (Indoor)
Product Type (Outdoor)
J
CONSOLE
※ "/" can be removed from the buyer card if there are not enough digits.
F
FLOOR MOUNTING
P
8-1
FAC
Samsung Electronics
8-2 Refrigerating Cycle Diagram
Indoor Unit
Outdoor Unit
Electronic expansion valve
3-way valve
Liquid pipe
Heat exchanger
Evaporator
Heat exchanger
Evaporator
Fan
Fan
4-way valve
Gas pipe
3-way valve
Aux accumulator
Compressor
Oil separator
Cooling
Heating
Leak check points
▒ CONDENSER
High temperature and high pressure gas state coolant discharged from the compressor is converted to a liquid state as it is cooled
down by the heat emission in the outdoor condenser unit, and sent to the evaporator.
▒ COMPRESSOR
Low temperature and low pressure coolant is compressed and sent to the cycling system
▒ EVAPORATOR
Liquid coolant sucked in through the capillary tubes cools down the room by absorbing the surrounding heat as it evaporates
(converting from liquid to gas). (Absorbing heat required for evaporation)
▒ SERVICE VALVE
You can open the valve by turning the need valve counterclockwise using hex wrench, and it is used for vacuum, gas purging, coolant
injection, coolant purging, and indoor-outdoor unit connection.
▒ ACCUMULATOR
Accumulator prevents the flow of liquid-state coolant into the compressor. (Liquid-state coolant flowing into the compressor will
overload the compressor.)
Samsung Electronics
8-2
8-3 Pressure Graph
Cooling
▒ Cooling
10.0
Indoor (°C)
Pressure(kgf/cm²G)
9.5
Outdoor(°C)
32/23
27/19
21/15
9.0
8.5
50
10.0
9.1
8.0
8.0
35
9.0
8.3
7.2
7.5
20
6.8
6.3
6.4
6.5
7
7.6
7.1
6.5
6.0
-5
7.7
7.2
6.5
32/23
27/19
21/15
50
18.5
16.7
15.9
35
15.7
14.7
13.4
20
15.2
14.3
13.6
7
9.1
9.1
9.1
7.0
5.5
5.0
-10
0
10
20
30
40
50
60
Outdoor Temp.(°C)
Waiting Mode
▒ Waiting Mode
Indoor (°C)
Pressure(kgf/cm²G)
Outdoor(°C)
-5
5.6
5.6
5.6
-20
3.0
3.0
3.0
28/18
27/19
20/15
20
33.6
33.3
30.1
Outdoor Temp.(°C)
Heating
▒ Heating
Indoor (°C)
Pressure(kgf/cm²G)
Outdoor(°C)
7
27.9
27
23.5
-5
24.2
23.9
19.9
-20
22.5
22.2
17.9
Outdoor Temp.(°C)
8-3
Samsung Electronics
GSPN address
Eurpoe, CIS, Mideast & africa
gspn1.samsungcsportal.com
Asia
gspn2.samsungcsportal.com
North & Latin America
gspn3.samsungcsportal.com
China
china.samsungportal.com
This Service Manual is a property of Samsung Electronics Co., Ltd.
Any unauthorized use of Manual can be punished under applicable
International and/or domestic law.
© Samsung Electronics Co., Ltd. Sep. 2012.
Printed in China.
Code No. DB68-03443(1)