Mitsubishi Electric MUZ-GE50VAH Service manual

Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy
Revision A:
• MUZ-GE42/50VA(H) -
E1
has been added.
Please void OBH516.
SPLIT-TYPE AIR CONDITIONERS
OUTDOOR UNIT
HFC
SERVICE MANUAL
utilized
No. OBH516
REVISED EDITION-A
R410A
Models
MUZ-GE25VA MUZ-GE25VAH
MUZ-GE35VA MUZ-GE35VAH
MUZ-GE42VA MUZ-GE42VAH
MUZ-GE50VA MUZ-GE50VAH
E1
-
E1
E1
-
E1
E1
-
E1
E1
-
Indoor unit service manual
MSZ-GE•VA Series (OBH515)
MSZ-CGE•VA Series (OBH523)
E1
CONTENTS
1. TECHNICAL CHANGES ··································· 3
2. PART NAMES AND FUNCTIONS ····················· 4
3. SPECIFICATION ················································ 5
4. NOISE CRITERIA CURVES ······························ 7
5. OUTLINES AND DIMENSIONS ························ 8
6. WIRING DIAGRAM············································ 9
7. REFRIGERANT SYSTEM DIAGRAM ············· 15
8. PERFORMANCE CURVES ····························· 17
9. ACTUATOR CONTROL ··································· 31
10. SERVICE FUNCTIONS···································· 32
11. TROUBLESHOOTING ····································· 32
12. DISASSEMBLY INSTRUCTIONS ···················· 50
MUZ-GE25/35/42VA
PARTS CATALOG (OBB516)
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
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Revision A:
• MUZ-GE42/50VA(H) -
E1
has been added.
2
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1
TECHNICAL CHANGES
MUZ-GE25VA - E1
MUZ-GE35VA - E1
MUZ-GE42VA - E1
MUZ-GE50VA - E1
1. New model
MUZ-GE25VAH
MUZ-GE35VAH
MUZ-GE42VAH
MUZ-GE50VAH
- E1
- E1
- E1
- E1
3
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2
PART NAMES AND FUNCTIONS
MUZ-GE25VA MUZ-GE25VAH MUZ-GE35VA MUZ-GE35VAH
MUZ-GE42VA MUZ-GE42VAH
Air inlet
(back and side)
Piping
Drain hose
Air outlet
Drain outlet
MUZ-GE50VA MUZ-GE50VAH
Air inlet
(back and side)
Piping
Drain hose
Air outlet
Drain outlet
(GE50VA)
ACCESSORIES
Drain socket
Drain cap
MUZ-GE25/35/42VA
1
-
MUZ-GE50VA
1
2
4
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3
SPECIFICATION
MUZ-GE25VA
MUZ-GE25VAH
Outdoor model
Special remarks
Electrical data
Power supply
Cooling
Capacity
kW
Rated frequency (Min.-Max.) Heating
Breaker Capacity
A
Cooling
Power input 1 (Total)
W
Heating
Cooling
Running current 1
A
(Total)
Heating
Cooling
Power factor 1 (Total)
%
Heating
Starting current 1 (Total)
A
Cooling
Coefficient of performance
(COP) 1 (Total)
Heating
Model
Output
W
Compressor
Cooling
Current 1
A
Heating
Refrigeration oil (Model)
cc
Model
Cooling
Fan motor
A
Current 1
Heating
Dimensions W × H × D
mm
Weight
kg
Dehumidification
Cooling
/h
Med.
Cooling
Low
Air flow 1
High
m3/h
Heating
Med.
Low
Cooling
Sound level 1
dB(A)
Heating
Med.
Cooling
Low
Fan speed
High
rpm
Heating
Med.
Low
Fan speed regulator
Refrigerant filling capacity (R410A)
kg
MUZ-GE35VA
MUZ-GE42VA
MUZ-GE50VA
MUZ-GE35VAH MUZ-GE42VAH MUZ-GE50VAH
Single phase, 230 V, 50 Hz
2.5 (1.1 - 3.5)
3.5 (1.1 - 4.0)
4.2 (0.9 - 4.8)
5.0 (1.4 - 5.5)
3.2 (1.3 - 4.5)
4.0 (1.6 - 5.3)
5.4 (1.4 - 6.0)
5.8 (1.4 - 7.3)
10
16
545
865
1,215
1,515
700
955
1,460
1,565
2.9
4.2
5.6
6.8
3.7
4.6
6.6
7.0
82
90
94
96
82
90
96
97
3.7
4.6
6.6
7.0
4.59
4.05
3.46
3.30
4.57
4.19
3.70
3.71
KNB073FFDHC
KNB092FFAHC
SNB130FGBHT
550
650
900
2.44
3.56
4.99
6.09
3.20
4.06
5.98
6.32
320 (NEO22)
450 (NEO22)
RC0J50-DB
RC0J50-EA
RC0J60-AA
0.24
0.35
0.32
0.32
0.27
0.31
0.31
800 × 550 × 285
840 × 850 × 330
30
33
36
54
0.2
0.9
1.4
1.8
1,806
1,872
1,872
2,940
1,170
1,776
1,086
1,740
2,106
2,016
2,016
–
1,806
1,776
1,776
2,940
1,452
1,386
1,386
2,142
47
50
54
48
51
56
740
810
810
780
490
770
490
480
860
870
870
–
740
770
770
780
600
610
610
580
3
2
0.80
1.15
1.55
NOTE: Test conditions are based on ISO 5151.
Cooling: Indoor
Dry-bulb temperature 27°C
Outdoor Dry-bulb temperature 35°C
Heating: Indoor
Dry-bulb temperature 20°C
Outdoor Dry-bulb temperature 7°C
Refrigerant piping length (one way): 5 m
1 Measured under rated operating frequency.
Wet-bulb temperature
19°C
Wet-bulb temperature
6°C
5
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Specifications and rating conditions of main electric parts
Model
MUZMUZMUZMUZMUZMUZMUZMUZItem
GE25VA GE25VAH GE35VA GE35VAH GE42VA GE42VAH GE50VA GE50VAH
(CT)
20 A
Current
transformer
(CT761, CT781)
15 A
Smoothing
(C61, C62, C63)
620 μF 420 V
capacitor
(DB61)
15 A 600 V
25 A 600 V
Diode module
(DB65)
25 A 600 V
(F61)
T20AL250V
Fuse
(F701, F801,
T3.15AL250V
F901)
230 V
230 V
230 V
230 V
Defrost heater
(H)
—
—
—
—
130 W
130 W
130 W
120 W
Intelligent power
(IPM)
15 A 600 V
20 A 600 V
module
Expansion valve
(LEV)
DC 12 V
coil
Reactor
(L61)
18 mH
23 mH
45
mΩ
5
W
100
mΩ
5
W
(R61)
—
(1 element)
(2 elements)
180 mΩ 5 W
(R61,R62)
—
Current(2 elements)
detecting
(R825)
25 mΩ 5 W
resistor
(R937, R938,
430 mΩ 2 W
—
R939)
(R937A,R937B)
—
1.1 Ω 2 W
Current-limiting
(PTC64,
33 Ω
PTC thermistor
PTC65)
Terminal block
(TB1, TB2)
3P
(X63)
3 A 250 V
Relay
(X64)
20 A 250 V
(X66)
—
3 A 250 V
—
3 A 250 V
—
3 A 250 V
—
3 A 250 V
R.V.coil
(21S4)
AC 220 - 240 V
Heater protector
(26H)
—
Open 45°C
—
Open 45°C
—
Open 45°C
—
Open 45°C
IGBT
(TR821)
30 A 600 V
6
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4
NOISE CRITERIA CURVES
MUZ-GE35VA MUZ-GE35VAH
FUNCTION
SPL(dB(A))
FUNCTION
SPL(dB(A))
COOLING
47
COOLING
47
HEATING
48
HEATING
48
LINE
80
70
NC-70
60
NC-60
50
NC-50
40
NC-40
30
NC-30
20
NC-20
NC-10
10
80
70
NC-70
60
NC-60
50
NC-50
40
NC-40
30
NC-30
20
10
63
125
250
500
1000
2000
4000
8000
63
125
250
500
1000
2000
4000
8000
BAND CENTER FREQUENCIES, Hz
MUZ-GE50VA MUZ-GE50VAH
MUZ-GE42VA MUZ-GE42VAH
FUNCTION
SPL(dB(A))
FUNCTION
SPL(dB(A))
COOLING
50
COOLING
54
HEATING
51
HEATING
56
LINE
LINE
90
90
80
70
NC-70
60
NC-60
50
NC-50
40
NC-40
30
NC-30
20
NC-20
NC-10
63
125
250
500
1000
2000
4000
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
OCTAVE BAND SOUND PRESSURE LEVEL, 0dB re 0.0002 MICRO BAR
NC-20
NC-10
BAND CENTER FREQUENCIES, Hz
10
LINE
90
90
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
OCTAVE BAND SOUND PRESSURE LEVEL, 0dB re 0.0002 MICRO BAR
MUZ-GE25VA MUZ-GE25VAH
80
70
NC-70
60
NC-60
50
NC-50
40
NC-40
30
NC-30
20
NC-20
NC-10
10
8000
63
125
250
500
1000
2000
4000
8000
BAND CENTER FREQUENCIES, Hz
BAND CENTER FREQUENCIES, Hz
Test conditions
Cooling : Dry-bulb temperature 35 °C
Heating : Dry-bulb temperature 7 °C Wet-bulb temperature
OUTDOOR UNIT
1m
MICROPHONE
7
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6 °C
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OUTLINES AND DIMENSIONS
MUZ-GE25VA MUZ-GE25VAH MUZ-GE35VA MUZ-GE35VAH
MUZ-GE42VA MUZ-GE42VAH
Unit: mm
REQUIRED SPACE
Drain hole ø42 (25/35/42VA)
Drain hole ø33 (25/35/42VAH)
100
re
r mo
mo
m
0
10
mm
or m
Bolt pitch for
installation
304~325
ore
44
Air in
Service panel
Air out
23
22.3
Liquid refrigerant pipe joint
Refrigerant pipe (flared) ø6.35
10
164.5
280
35
550
Handle
150
Gas refrigerant pipe joint
Refrigerant pipe (flared) ø9.52
99.5
69
302.5
170.5
Service port
500 Bolt pitch for installation
800
MUZ-GE50VA MUZ-GE50VAH
Open as a rule
500 mm or more if
the front and both
sides are open
REQUIRED SPACE
515
299
66
Drain holes ø33(50VA)
40
360
51
34
330
100 mm or more
200 mm or more if
there are obstacles
to both sides
Air in
Air in
100
mm
or m
ore
170
Air out 500
840
121
4 holes 10 × 21
80
350
Open as a rule
500 mm or more if the back,
both sides and top are open
mm
or m
ore
Service panel
155
90
35°
30°
430
850
Liquid refrigerant
pipe joint
Refrigerant pipe
(flared) ø6.35
198
8
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mm
or m
ore
Open two sides of left,
right, or rear side.
17.5
40
2 holes 10 X 21
350
ore
or m
mm
0
0
2
43
285
344.5
400
Air in
Basically open 100 mm or more
without any obstruction in front
and on both sides of the unit.
Gas refrigerant
pipe joint
Refrigerant pipe
(flared) ø12.7
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WIRING DIAGRAM
MUZ-GE25VA MUZ-GE35VA
9
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MUZ-GE25VAH MUZ-GE35VAH
10
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MUZ-GE42VA
11
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MUZ-GE42VAH
12
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MUZ-GE50VA
13
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MUZ-GE50VAH
14
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REFRIGERANT SYSTEM DIAGRAM
MUZ-GE25VA MUZ-GE25VAH
Unit: mm
Refrigerant pipe ø9.52
(with heat insulator)
4-way valve
Muffler
Stop valve
(with service port)
Discharge
temperature
thermistor
RT62
Flared connection
Outdoor
heat
exchanger
Muffler
Outdoor heat
exchanger
temperature
thermistor
RT68
Ambient
temperature
thermistor
RT65
Compressor
Defrost
thermistor
RT61
Strainer
#100
Flared connection
Capillary tube
ø3.0×ø2.0×240
Refrigerant pipe ø6.35
(with heat insulator)
LEV
R.V. coil
heating ON
cooling OFF
Stop valve
(with strainar)
Refrigerant flow in cooling
Refrigerant flow in heating
MUZ-GE35VA MUZ-GE35VAH MUZ-GE42VA MUZ-GE42VAH
Refrigerant pipe ø9.52
(with heat insulator)
Unit: mm
4-way valve
Muffler
Stop valve
(with service port)
Discharge
temperature
thermistor
RT62
Flared connection
Outdoor
heat
exchanger
Muffler
Outdoor heat
exchanger
temperature
thermistor
RT68
Ambient
temperature
thermistor
RT65
Compressor
Defrost
thermistor
RT61
Capillary tube
ø3.0×ø1.8×600(×2)
Strainer
#100
Flared connection
Capillary tube
ø3.0×ø2.0×240
Refrigerant pipe ø6.35
(with heat insulator)
LEV
R.V. coil
heating ON
cooling OFF
Stop valve
(with strainar)
Refrigerant flow in cooling
Refrigerant flow in heating
15
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MUZ-GE50VA MUZ-GE50VAH
Unit: mm
Muffler
4-way valve #100
Refrigerant pipe ø12.7
(with heat insulator)
Stop valve
(with service port)
Flared connection
Outdoor
heat
exchanger
Discharge
temperature
thermistor
RT62
Defrost
thermistor
RT61
Ambient
temperature
thermistor
RT65
Compressor
Outdoor heat
exchanger
temperature
thermistor
RT68
Flared connection
LEV
Receiver
Refrigerant pipe ø6.35
(with heat insulator)
Stop valve
(with strainar)
Strainer
#100
R.V. coil
heating ON
cooling OFF
Capillary tube
ø3.6×ø2.4×50
Refrigerant flow in cooling
Refrigerant flow in heating
MAX. REFRIGERANT PIPING LENGTH and MAX. HEIGHT DIFFERENCE
Refrigerant piping: m
Max. Length
A
20
30
MUZ-GE25/35/42
MUZ-GE50
Piping size O.D: mm
Max. Height difference
B
12
15
Gas
9.52
12.7
Liquid
6.35
Indoor
unit
Max. Height
difference
B
Max. Length
A
Outdoor unit
ADDITIONAL REFRIGERANT CHARGE (R410A: g)
Model
Outdoor unit
precharged
5m
6m
7m
0
0
0
800
MUZ-GE25
1,150
MUZ-GE35/42
Refrigerant piping length (one way)
8m
9 m 10 m 11 m 12 m 13 m
14 m
15 m
20 m
30
210
240
390
60
90
120
150
180
Calculation: X g = 30 g/m × (Refrigerant piping length (m) - 7)
Refrigerant piping length (one way)
Model
Outdoor unit
precharged
7m
10 m
15 m
20 m
25 m
30 m
MUZ-GE50
1,550
0
60
160
260
360
460
Calculation: X g = 20 g/m × (Refrigerant piping length (m) – 7)
NOTE: Refrigerant piping exceeding 7 m requires additional refrigerant charge according to the calculation.
16
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PERFORMANCE CURVES
MUZ-GE25VA MUZ-GE25VAH MUZ-GE35VA MUZ-GE35VAH
MUZ-GE42VA MUZ-GE42VAH MUZ-GE50VA MUZ-GE50VAH
The standard specifications apply only to the operation of the air conditioner under normal conditions. Since operating conditions vary according to the areas where these units are installed, the following information has been provided to clarify the
operating characteristics of the air conditioner under the conditions indicated by the performance curve.
(1) GUARANTEED VOLTAGE
198 ~ 264 V, 50 Hz
(2) AIR FLOW
Air flow should be set at MAX.
(3) MAIN READINGS
(1) Indoor intake air wet-bulb temperature:
°C [WB]
(2) Indoor outlet air wet-bulb temperature:
°C [WB]
Cooling
(3) Outdoor intake air dry-bulb temperature:
°C [DB]
(4) Total input:
W
(5) Indoor intake air dry-bulb temperature:
°C [DB]
(6) Outdoor intake air wet-bulb temperature:
°C [WB]
Heating
(7) Total input:
W
Indoor air wet/dry-bulb temperature difference on the left side of the following chart shows the difference between the
indoor intake air wet/dry-bulb temperature and the indoor outlet air wet/dry-bulb temperature for your reference at service.
}
}
How to measure the indoor air wet-bulb / dry-bulb temperature difference
1. Attach at least 2 sets of wet and dry-bulb thermometers to the indoor air intake as shown in the figure, and at least 2 sets
of wet and dry-bulb thermometers to the indoor air outlet. The thermometers must be attached to the position where air
speed is high.
2. Attach at least 2 sets of wet and dry-bulb thermometers to the outdoor air intake.
Cover the thermometers to prevent direct rays of the sun.
3. Check that the air filter is cleaned.
4. Open windows and doors of room.
5. Press the EMERGENCY OPERATION switch once (twice) to start the EMERGENCY COOL (HEAT) MODE.
6. When system stabilizes after more than 15 minutes, measure temperature and take an average temperature.
7. 10 minutes later, measure temperature again and check that the temperature does not change.
INDOOR UNIT
OUTDOOR UNIT
Wet and dry-bulb
thermometers
FRONT VIEW
Wet and dry-bulb
thermometers
BACK VIEW
8-1. CAPACITY AND INPUT CURVES
7.7
9.5
9.4
5.6
7.1
8.7
8.6
5.1
6.5
8.0
7.9
4.6
5.9
7.2
7.1
4.2
5.3
6.5
6.4
3.7
4.7
5.7
5.7
1.5
Capacity correction factors
6.1
MUZ-GE50VA
MUZ-GE50VAH
10.2
MUZ-GE42VA
MUZ-GE42VAH
10.4
MUZ-GE35VA
MUZ-GE35VAH
8.4
MUZ-GE25VA
MUZ-GE25VAH
Indoor air Wet-bulb temperature
difference (°C)
Cooling capacity (at Rated frequency)
6.6
Indoor intake air Wet-bulb
temperature( )
1.4
1.3
1.2
26
1.1
24
1.0
22
20
18
0.9
-10
-5
0
5
10
15
20
25
30
Outdoor intake air Dry-bulb temperature(°C)
17
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40
45
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8.6
5.1
6.5
8.0
7.9
4.6
5.9
7.2
7.1
4.2
5.3
6.5
6.4
3.7
4.7
5.7
5.7
3.3
4.1
5.0
5.0
MUZ-GE42VA
MUZ-GE42VAH
MUZ-GE50VA
MUZ-GE50VAH
1.3
Input correction factors
8.7
MUZ-GE35VA
MUZ-GE35VAH
7.1
MUZ-GE25VA
MUZ-GE25VAH
Indoor air Wet-bulb temperature
difference (°C)
Total input (Cooling : at Rated frequency)
5.6
1.2
22
20
18
24
26
1.1
1.0
0.9
Indoor intake air Wet-bulb
temperature( )
0.8
-10
-5
0
5
10
15
20
25
30
35
40
45
Outdoor intake air Dry-bulb temperature (°C)
27.0
26.2
1.3
16.8
21.0
24.9
24.1
1.2
15.4
19.2
22.8
22.1
14.0
17.5
20.7
20.1
18.1
16.6
16.1
9.8
12.2
14.5
14.1
8.4
10.5
12.4
12.1
7.0
8.7
10.4
10.1
5.6
7.0
8.3
8.0
ure
(
)
15
20
26
rat
1.1
1.0
lb
bu
0.9
ir
ea
tak
0.8
yDr
e
mp
te
in
or
o
Ind
0.7
0.6
0.5
0.4
MUZ-GE50VA
MUZ-GE50VAH
18.7
14.0
MUZ-GE42VA
MUZ-GE42VAH
15.7
11.2
MUZ-GE35VA
MUZ-GE35VAH
12.6
Capacity correction factor
22.7
MUZ-GE25VA
MUZ-GE25VAH
Indoor air Dry-bulb temperature
difference (°C)
Heating capacity (at Rated frequency)
18.2
-20
-15
-10
-5
0
5
10
Outdoor intake air Wet-bulb temperature (°C)
15
16.8
21.0
24.9
24.1
1.2
15.4
19.2
22.8
22.1
14.0
17.5
20.7
20.1
12.6
15.7
18.7
18.1
11.2
14.0
16.6
16.1
9.8
12.2
14.5
14.1
8.4
10.5
12.4
12.1
7.0
8.7
10.4
10.1
0.5
5.6
7.0
8.3
8.0
0.4
Input correction factor
1.3
MUZ-GE50VA
MUZ-GE50VAH
26.2
MUZ-GE42VA
MUZ-GE42VAH
27.0
MUZ-GE35VA
MUZ-GE35VAH
22.7
MUZ-GE25VA
MUZ-GE25VAH
Indoor air Dry-bulb temperature
difference (°C)
Total input (Heating : at Rated frequency)
18.2
1.1
1.0
0.9
0.8
Indo
lb
y-bu
ir Dr
ke a
a
t
or in
ure
erat
( )
p
tem
26
20
15
0.7
0.6
-20
-15
-10
-5
0
5
10
Outdoor intake air Wet-bulb temperature (°C)
15
NOTE: The above broken lines are for the heating operation without any frost and defrost operation.
18
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8-2. CAPACITY AND INPUT CORRECTION BY OPERATIONAL FREQUENCY OF COMPRESSOR
0.5
2.0
1.0
0.0
0.0
0
50
The operational frequency
of compressor (Hz)
Correction of Heating capacity
1.5
Input correction factors
1.0
Correction of Cooling input
3.0
Capacity correction factors
1.5
Input correction factors
Capacity correction factors
MUZ-GE25VA MUZ-GE25VAH
Correction of Cooling capacity
1.0
0.5
0.0
100
0
Correction of Heating input
2.0
1.5
1.0
0.5
0.0
0
50
100
The operational frequency
of compressor (Hz)
50
100
150
The operational frequency
of compressor (Hz)
0
50
100
150
The operational frequency
of compressor (Hz)
MUZ-GE35VA MUZ-GE35VAH
Input correction factors
Capacity correction factors
1.0
0.5
0.0
Capacity correction factors
Correction of Cooling input
2.0
1.5
0
50
The operational frequency
of compressor (Hz)
1.5
1.0
0.5
0.0
0
50
The operational frequency
of compressor (Hz)
100
Correction of Heating input
Correction of Heating capacity
1.5
2.0
Input correction factors
Correction of Cooling capacity
1.0
0.5
0.0
100
1.5
1.0
0.5
0.0
0
50
100
The operational frequency
of compressor (Hz)
0
50
100
The operational frequency
of compressor (Hz)
MUZ-GE42VA MUZ-GE42VAH
Correction of Cooling input
1.5
Capacity correction factors
2.0
Input correction factors
Capacity correction factors
1.5
1.5
1.0
1.0
0.5
0.5
0.0
0
50
The operational frequency
of compressor (Hz)
100
0.0
0
50
The operational frequency
of compressor (Hz)
1.0
0.5
0.0
0
100
Correction of Heating input
Correction of Heating capacity
1.5
Capacity correction factors
Correction of Cooling capacity
1.0
0.5
0.0
0
50
100
The operational frequency
of compressor (Hz)
50
100
The operational frequency
of compressor (Hz)
MUZ-GE50VA MUZ-GE50VAH
1.5
Capacity correction factors
1.0
1.0
0.5
0.0
Correction of Cooling input
1.5
Input correction factors
Capacity correction factors
1.5
0.5
0
50
The operational frequency
of compressor (Hz)
100
0.0
0
50
100
The operational frequency
of compressor (Hz)
1.0
0.5
0.0
Correction of Heating input
Correction of Heating capacity
2.0
Capacity correction factors
Correction of Cooling capacity
0
50
100
The operational frequency
of compressor (Hz)
19
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1.5
1.0
0.5
0.0
0
50
100
The operational frequency
of compressor (Hz)
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy
8-3. TEST RUN OPERATION (How to operate fixed-frequency operation)
1. Press EMERGENCY OPERATION switch to start COOL or HEAT mode (COOL: Press once, HEAT: Press twice).
2. Test run operation starts and continues to operate for 30 minutes.
3. Compressor operates at rated frequency in COOL mode or 58 Hz in HEAT mode.
4. Indoor fan operates at High speed.
5. After 30 minutes, test run operation finishes and EMERGENCY OPERATION starts (operation frequency of compressor varies).
6. To cancel test run operation (EMERGENCY OPERATION), press EMERGENCY OPERATION switch or any button on
remote controller.
8-4. OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT
0.8
8
0.7
7
0.6
6
MUZ-GE35VA MUZ-GE35VAH
0.7
7
0.6
6
0.5
kgf/cm2 [Gauge]
9
MPa [Gauge]
0.9
kgf/cm2 [Gauge]
MPa [Gauge]
Outdoor low pressure
MUZ-GE25VA MUZ-GE25VAH
Dry-bulb temperature (°C)
20
25
30
5
0.4
0.5
15
20
25
30
35
50
60
70
Ambient temperature(°C)
Ambient humidity(%)
15
20
25
30
35
50
60
70
Ambient temperature(°C)
Ambient humidity(%)
MUZ-GE42VA MUZ-GE42VAH
0.7
7
0.6
6
0.5
5
0.4
4
0.3
15
20
25
30
35
50
60
70
Ambient temperature(°C)
Ambient humidity(%)
MUZ-GE50VA MUZ-GE50VAH
7
0.6
6
0.5
5
0.4
0.3
15
kgf/cm2 [Gauge]
MPa [Gauge]
0.7
4
20
25
30
35
50
60
70
Ambient temperature(°C)
Ambient humidity(%)
NOTE:
The unit of pressure has been changed to MPa on the international system of units (SI unit system)
The conversion factor is: 1 (MPa [Gauge]) = 10.2 (kgf/cm2 [Gauge])
20
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Relative humidity (%)
50
60
70
kgf/cm2 [Gauge]
Both indoor and outdoor unit are under the same temperature/
humidity condition.
Operation: TEST RUN OPERATION (Refer to 8-3.)
MPa [Gauge]
COOL operation
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy
Outdoor unit current
MUZ-GE25VA MUZ-GE25VAH
MUZ-GE35VA MUZ-GE35VAH
MUZ-GE42VA MUZ-GE42VAH
4.0
2.6
5.5
2.4
2.2
2
15
20
50
25
60
30
70
3.6
3.4
3.2
3.0
2.8
35
Outdoor current (A)
Outdoor current (A)
Outdoor current (A)
3.8
15
20
50
25
60
30
70
35
5.0
4.5
4.0
15
Ambient temperature (°C)
Ambient humidity(%)
Ambient temperature (°C)
Ambient humidity(%)
30
35
20
25
70
50
60
Ambient temperature(°C)
Ambient humidity(%)
MUZ-GE50VA MUZ-GE50VAH
Outdoor current (A)
6.5
6.0
5.5
5.0
4.5
15
20
50
25
60
30
70
35
Ambient temperature (°C)
Ambient humidity(%)
HEAT operation
Condition:
Dry bulb temperature (°C)
Wet bulb temperature (°C)
Indoor
20.0
14.5
2
1
Outdoor
7
15
6
12
20.0
14.5
Operation: Test run operation (Refer to 8-3.)
MUZ-GE35VA MUZ-GE35VAH
2.5
3.8
2.4
3.6
Outdoor current (A)
Outdoor current (A)
Outdoor unit current
MUZ-GE25VA MUZ-GE25VAH
2.3
2.2
2.1
2.0
0
5
10
15
20
25
Ambient temperature (°C)
5.5
3.4
5.0
3.2
4.5
3.0
2.8
0
5
10
15
20
25
Ambient temperature (°C)
MUZ-GE50VA MUZ-GE50VAH
Outdoor current (A)
5.5
5.0
4.5
4.0
0
MUZ-GE42VA MUZ-GE42VAH
(A) 6.0
5
10
15
20
25
Ambient temperature (°C)
21
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4.0
2 5
10
15
20
Ambient temperature(°C)
25
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PERFORMANCE DATA COOL operation at Rated frequency
MUZ-GE25VA MUZ-GE25VAH
CAPACITY: 2.5 kW
INDOOR INDOOR
DB (°C) WB (°C)
SHF: 0.96
INPUT: 545 W
OUTDOOR DB (°C)
21
25
27
30
SHF
INPUT
21
18
2.94
2.29
0.78
436
2.81
2.19
0.78
458
2.70
2.11
0.78
480
2.60
2.03
0.78
501
21
20
3.06
2.02
0.66
458
2.94
1.94
0.66
485
2.85
1.88
0.66
496
2.75
1.82
0.66
518
22
18
2.94
2.41
0.82
436
2.81
2.31
0.82
458
2.70
2.21
0.82
480
2.60
2.13
0.82
501
22
20
3.06
2.14
0.70
458
2.94
2.06
0.70
485
2.85
2.00
0.70
496
2.75
1.93
0.70
518
22
22
3.19
1.85
0.58
474
3.08
1.78
0.58
504
3.00
1.74
0.58
518
2.88
1.67
0.58
540
23
18
2.94
2.53
0.86
436
2.81
2.42
0.86
458
2.70
2.32
0.86
480
2.60
2.24
0.86
501
23
20
3.06
2.27
0.74
458
2.94
2.17
0.74
485
2.85
2.11
0.74
496
2.75
2.04
0.74
518
23
22
3.19
1.98
0.62
474
3.08
1.91
0.62
504
3.00
1.86
0.62
518
2.88
1.78
0.62
540
24
18
2.94
2.64
0.90
436
2.81
2.53
0.90
458
2.70
2.43
0.90
480
2.60
2.34
0.90
501
24
20
3.06
2.39
0.78
458
2.94
2.29
0.78
485
2.85
2.22
0.78
496
2.75
2.15
0.78
518
24
22
3.19
2.10
0.66
474
3.08
2.03
0.66
504
3.00
1.98
0.66
518
2.88
1.90
0.66
540
24
24
3.35
1.81
0.54
496
3.23
1.74
0.54
523
3.15
1.70
0.54
540
3.05
1.65
0.54
567
25
18
2.94
2.76
0.94
436
2.81
2.64
0.94
458
2.70
2.54
0.94
480
2.60
2.44
0.94
501
25
20
3.06
2.51
0.82
458
2.94
2.41
0.82
485
2.85
2.34
0.82
496
2.75
2.26
0.82
518
25
22
3.19
2.23
0.70
474
3.08
2.15
0.70
504
3.00
2.10
0.70
518
2.88
2.01
0.70
540
25
24
3.35
1.94
0.58
496
3.23
1.87
0.58
523
3.15
1.83
0.58
540
3.05
1.77
0.58
567
26
18
2.94
2.88
0.98
436
2.81
2.76
0.98
458
2.70
2.65
0.98
480
2.60
2.55
0.98
501
26
20
3.06
2.63
0.86
458
2.94
2.53
0.86
485
2.85
2.45
0.86
496
2.75
2.37
0.86
518
26
22
3.19
2.36
0.74
474
3.08
2.28
0.74
504
3.00
2.22
0.74
518
2.88
2.13
0.74
540
26
24
3.35
2.08
0.62
496
3.23
2.00
0.62
523
3.15
1.95
0.62
540
3.05
1.89
0.62
567
26
26
3.45
1.73
0.50
523
3.35
1.68
0.50
550
3.30
1.65
0.50
567
3.20
1.60
0.50
583
27
18
2.94
2.94
1.00
436
2.81
2.81
1.00
458
2.70
2.70
1.00
480
2.60
2.60
1.00
501
27
20
3.06
2.76
0.90
458
2.94
2.64
0.90
485
2.85
2.57
0.90
496
2.75
2.48
0.90
518
27
22
3.19
2.49
0.78
474
3.08
2.40
0.78
504
3.00
2.34
0.78
518
2.88
2.24
0.78
540
27
24
3.35
2.21
0.66
496
3.23
2.13
0.66
523
3.15
2.08
0.66
540
3.05
2.01
0.66
567
27
26
3.45
1.86
0.54
523
3.35
1.81
0.54
550
3.30
1.78
0.54
567
3.20
1.73
0.54
583
28
18
2.94
2.94
1.00
436
2.81
2.81
1.00
458
2.70
2.70
1.00
480
2.60
2.60
1.00
501
28
20
3.06
2.88
0.94
458
2.94
2.76
0.94
485
2.85
2.68
0.94
496
2.75
2.59
0.94
518
28
22
3.19
2.61
0.82
474
3.08
2.52
0.82
504
3.00
2.46
0.82
518
2.88
2.36
0.82
540
28
24
3.35
2.35
0.70
496
3.23
2.26
0.70
523
3.15
2.21
0.70
540
3.05
2.14
0.70
567
28
26
3.45
2.00
0.58
523
3.35
1.94
0.58
550
3.30
1.91
0.58
567
3.20
1.86
0.58
583
29
18
2.94
2.94
1.00
436
2.81
2.81
1.00
458
2.70
2.70
1.00
480
2.60
2.60
1.00
501
29
20
3.06
3.00
0.98
458
2.94
2.88
0.98
485
2.85
2.79
0.98
496
2.75
2.70
0.98
518
29
22
3.19
2.74
0.86
474
3.08
2.64
0.86
504
3.00
2.58
0.86
518
2.88
2.47
0.86
540
29
24
3.35
2.48
0.74
496
3.23
2.39
0.74
523
3.15
2.33
0.74
540
3.05
2.26
0.74
567
29
26
3.45
2.14
0.62
523
3.35
2.08
0.62
550
3.30
2.05
0.62
567
3.20
1.98
0.62
583
30
18
2.94
2.94
1.00
436
2.81
2.81
1.00
458
2.70
2.70
1.00
480
2.60
2.60
1.00
501
30
20
3.06
3.06
1.00
458
2.94
2.94
1.00
485
2.85
2.85
1.00
496
2.75
2.75
1.00
518
30
22
3.19
2.87
0.90
474
3.08
2.77
0.90
504
3.00
2.70
0.90
518
2.88
2.59
0.90
540
30
24
3.35
2.61
0.78
496
3.23
2.52
0.78
523
3.15
2.46
0.78
540
3.05
2.38
0.78
567
30
26
3.45
2.28
0.66
523
3.35
2.21
0.66
550
3.30
2.18
0.66
567
3.20
2.11
0.66
583
31
18
2.94
2.94
1.00
436
2.81
2.81
1.00
458
2.70
2.70
1.00
480
2.60
2.60
1.00
501
31
20
3.06
3.06
1.00
458
2.94
2.94
1.00
485
2.85
2.85
1.00
496
2.75
2.75
1.00
518
31
22
3.19
3.00
0.94
474
3.08
2.89
0.94
504
3.00
2.82
0.94
518
2.88
2.70
0.94
540
31
24
3.35
2.75
0.82
496
3.23
2.64
0.82
523
3.15
2.58
0.82
540
3.05
2.50
0.82
567
31
26
3.45
2.42
0.70
523
3.35
2.35
0.70
550
3.30
2.31
0.70
567
3.20
2.24
0.70
583
32
18
2.94
2.94
1.00
436
2.81
2.81
1.00
458
2.70
2.70
1.00
480
2.60
2.60
1.00
501
32
20
3.06
3.06
1.00
458
2.94
2.94
1.00
485
2.85
2.85
1.00
496
2.75
2.75
1.00
518
32
22
3.19
3.12
0.98
474
3.08
3.01
0.98
504
3.00
2.94
0.98
518
2.88
2.82
0.98
540
32
24
3.35
2.88
0.86
496
3.23
2.77
0.86
523
3.15
2.71
0.86
540
3.05
2.62
0.86
567
32
26
3.45
2.55
0.74
523
3.35
2.48
0.74
550
3.30
2.44
0.74
567
3.20
2.37
0.74
583
NOTE
Q
SHC
SHF
INPUT
Q
SHC
SHF
INPUT
Q
SHC
SHF
INPUT
Q
SHC
Q : Total capacity (kW)
SHC : Sensible heat capacity (kW)
SHF : Sensible heat factor
INPUT : Total power input (W)
DB : Dry-bulb temperature
WB : Wet-bulb temperature
22
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Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy
PERFORMANCE DATA COOL operation at Rated frequency
MUZ-GE25VA MUZ-GE25VAH
CAPACITY: 2.5 kW
INDOOR INDOOR
DB (°C) WB (°C)
SHF: 0.96
INPUT: 545 W
OUTDOOR DB (°C)
35
40
46
SHF
INPUT
21
18
2.45
1.91
0.78
534
2.25
1.76
0.78
567
2.08
1.62
0.78
589
21
20
2.58
1.70
0.66
556
2.40
1.58
0.66
583
2.23
1.47
0.66
616
22
18
2.45
2.01
0.82
534
2.25
1.85
0.82
567
2.08
1.70
0.82
589
22
20
2.58
1.80
0.70
556
2.40
1.68
0.70
583
2.23
1.56
0.70
616
22
22
2.73
1.58
0.58
578
2.55
1.48
0.58
610
2.38
1.38
0.58
632
23
18
2.45
2.11
0.86
534
2.25
1.94
0.86
567
2.08
1.78
0.86
589
23
20
2.58
1.91
0.74
556
2.40
1.78
0.74
583
2.23
1.65
0.74
616
23
22
2.73
1.69
0.62
578
2.55
1.58
0.62
610
2.38
1.47
0.62
632
24
18
2.45
2.21
0.90
534
2.25
2.03
0.90
567
2.08
1.87
0.90
589
24
20
2.58
2.01
0.78
556
2.40
1.87
0.78
583
2.23
1.74
0.78
616
24
22
2.73
1.80
0.66
578
2.55
1.68
0.66
610
2.38
1.57
0.66
632
24
24
2.88
1.55
0.54
600
2.70
1.46
0.54
627
2.55
1.38
0.54
654
25
18
2.45
2.30
0.94
534
2.25
2.12
0.94
567
2.08
1.95
0.94
589
25
20
2.58
2.11
0.82
556
2.40
1.97
0.82
583
2.23
1.82
0.82
616
25
22
2.73
1.91
0.70
578
2.55
1.79
0.70
610
2.38
1.66
0.70
632
25
24
2.88
1.67
0.58
600
2.70
1.57
0.58
627
2.55
1.48
0.58
654
26
18
2.45
2.40
0.98
534
2.25
2.21
0.98
567
2.08
2.03
0.98
589
26
20
2.58
2.21
0.86
556
2.40
2.06
0.86
583
2.23
1.91
0.86
616
26
22
2.73
2.02
0.74
578
2.55
1.89
0.74
610
2.38
1.76
0.74
632
26
24
2.88
1.78
0.62
600
2.70
1.67
0.62
627
2.55
1.58
0.62
654
26
26
3.03
1.51
0.50
621
2.85
1.43
0.50
649
2.68
1.34
0.50
676
27
18
2.45
2.45
1.00
534
2.25
2.25
1.00
567
2.08
2.08
1.00
589
27
20
2.58
2.32
0.90
556
2.40
2.16
0.90
583
2.23
2.00
0.90
616
27
22
2.73
2.13
0.78
578
2.55
1.99
0.78
610
2.38
1.85
0.78
632
27
24
2.88
1.90
0.66
600
2.70
1.78
0.66
627
2.55
1.68
0.66
654
27
26
3.03
1.63
0.54
621
2.85
1.54
0.54
649
2.68
1.44
0.54
676
28
18
2.45
2.45
1.00
534
2.25
2.25
1.00
567
2.08
2.08
1.00
589
28
20
2.58
2.42
0.94
556
2.40
2.26
0.94
583
2.23
2.09
0.94
616
28
22
2.73
2.23
0.82
578
2.55
2.09
0.82
610
2.38
1.95
0.82
632
28
24
2.88
2.01
0.70
600
2.70
1.89
0.70
627
2.55
1.79
0.70
654
28
26
3.03
1.75
0.58
621
2.85
1.65
0.58
649
2.68
1.55
0.58
676
29
18
2.45
2.45
1.00
534
2.25
2.25
1.00
567
2.08
2.08
1.00
589
29
20
2.58
2.52
0.98
556
2.40
2.35
0.98
583
2.23
2.18
0.98
616
29
22
2.73
2.34
0.86
578
2.55
2.19
0.86
610
2.38
2.04
0.86
632
29
24
2.88
2.13
0.74
600
2.70
2.00
0.74
627
2.55
1.89
0.74
654
29
26
3.03
1.88
0.62
621
2.85
1.77
0.62
649
2.68
1.66
0.62
676
30
18
2.45
2.45
1.00
534
2.25
2.25
1.00
567
2.08
2.08
1.00
589
30
20
2.58
2.58
1.00
556
2.40
2.40
1.00
583
2.23
2.23
1.00
616
30
22
2.73
2.45
0.90
578
2.55
2.30
0.90
610
2.38
2.14
0.90
632
30
24
2.88
2.24
0.78
600
2.70
2.11
0.78
627
2.55
1.99
0.78
654
30
26
3.03
2.00
0.66
621
2.85
1.88
0.66
649
2.68
1.77
0.66
676
31
18
2.45
2.45
1.00
534
2.25
2.25
1.00
567
2.08
2.08
1.00
589
31
20
2.58
2.58
1.00
556
2.40
2.40
1.00
583
2.23
2.23
1.00
616
31
22
2.73
2.56
0.94
578
2.55
2.40
0.94
610
2.38
2.23
0.94
632
31
24
2.88
2.36
0.82
600
2.70
2.21
0.82
627
2.55
2.09
0.82
654
31
26
3.03
2.12
0.70
621
2.85
2.00
0.70
649
2.68
1.87
0.70
676
32
18
2.45
2.45
1.00
534
2.25
2.25
1.00
567
2.08
2.08
1.00
589
32
20
2.58
2.58
1.00
556
2.40
2.40
1.00
583
2.23
2.23
1.00
616
32
22
2.73
2.67
0.98
578
2.55
2.50
0.98
610
2.38
2.33
0.98
632
32
24
2.88
2.47
0.86
600
2.70
2.32
0.86
627
2.55
2.19
0.86
654
32
26
3.03
2.24
0.74
621
2.85
2.11
0.74
649
2.68
1.98
0.74
676
NOTE
Q
SHC
SHF
INPUT
Q
SHC
SHF
INPUT
Q
SHC
Q : Total capacity (kW)
SHC : Sensible heat capacity (kW)
SHF : Sensible heat factor
INPUT : Total power input (W)
23
www.ilmalämpöpumput.com
DB : Dry-bulb temperature
WB : Wet-bulb temperature
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy
PERFORMANCE DATA COOL operation at Rated frequency
MUZ-GE35VA MUZ-GE35VAH
CAPACITY: 3.5 kW
INDOOR INDOOR
DB (°C) WB (°C)
SHF: 0.82
INPUT: 865 W
OUTDOOR DB (°C)
21
25
27
30
SHF
INPUT
21
18
4.11
2.63
0.64
692
3.94
2.52
0.64
727
3.78
2.42
0.64
761
3.64
2.33
0.64
796
21
20
4.29
2.23
0.52
727
4.11
2.14
0.52
770
3.99
2.07
0.52
787
3.85
2.00
0.52
822
22
18
4.11
2.80
0.68
692
3.94
2.68
0.68
727
3.78
2.57
0.68
761
3.64
2.48
0.68
796
22
20
4.29
2.40
0.56
727
4.11
2.30
0.56
770
3.99
2.23
0.56
787
3.85
2.16
0.56
822
22
22
4.46
1.96
0.44
753
4.31
1.89
0.44
800
4.20
1.85
0.44
822
4.03
1.77
0.44
856
23
18
4.11
2.96
0.72
692
3.94
2.84
0.72
727
3.78
2.72
0.72
761
3.64
2.62
0.72
796
23
20
4.29
2.57
0.60
727
4.11
2.47
0.60
770
3.99
2.39
0.60
787
3.85
2.31
0.60
822
23
22
4.46
2.14
0.48
753
4.31
2.07
0.48
800
4.20
2.02
0.48
822
4.03
1.93
0.48
856
24
18
4.11
3.13
0.76
692
3.94
2.99
0.76
727
3.78
2.87
0.76
761
3.64
2.77
0.76
796
24
20
4.29
2.74
0.64
727
4.11
2.63
0.64
770
3.99
2.55
0.64
787
3.85
2.46
0.64
822
24
22
4.46
2.32
0.52
753
4.31
2.24
0.52
800
4.20
2.18
0.52
822
4.03
2.09
0.52
856
24
24
4.69
1.88
0.40
787
4.52
1.81
0.40
830
4.41
1.76
0.40
856
4.27
1.71
0.40
900
25
18
4.11
3.29
0.80
692
3.94
3.15
0.80
727
3.78
3.02
0.80
761
3.64
2.91
0.80
796
25
20
4.29
2.92
0.68
727
4.11
2.80
0.68
770
3.99
2.71
0.68
787
3.85
2.62
0.68
822
25
22
4.46
2.50
0.56
753
4.31
2.41
0.56
800
4.20
2.35
0.56
822
4.03
2.25
0.56
856
25
24
4.69
2.06
0.44
787
4.52
1.99
0.44
830
4.41
1.94
0.44
856
4.27
1.88
0.44
900
26
18
4.11
3.45
0.84
692
3.94
3.31
0.84
727
3.78
3.18
0.84
761
3.64
3.06
0.84
796
26
20
4.29
3.09
0.72
727
4.11
2.96
0.72
770
3.99
2.87
0.72
787
3.85
2.77
0.72
822
26
22
4.46
2.68
0.60
753
4.31
2.58
0.60
800
4.20
2.52
0.60
822
4.03
2.42
0.60
856
26
24
4.69
2.25
0.48
787
4.52
2.17
0.48
830
4.41
2.12
0.48
856
4.27
2.05
0.48
900
26
26
4.83
1.74
0.36
830
4.69
1.69
0.36
874
4.62
1.66
0.36
900
4.48
1.61
0.36
926
27
18
4.11
3.62
0.88
692
3.94
3.47
0.88
727
3.78
3.33
0.88
761
3.64
3.20
0.88
796
27
20
4.29
3.26
0.76
727
4.11
3.13
0.76
770
3.99
3.03
0.76
787
3.85
2.93
0.76
822
27
22
4.46
2.86
0.64
753
4.31
2.76
0.64
800
4.20
2.69
0.64
822
4.03
2.58
0.64
856
27
24
4.69
2.44
0.52
787
4.52
2.35
0.52
830
4.41
2.29
0.52
856
4.27
2.22
0.52
900
27
26
4.83
1.93
0.40
830
4.69
1.88
0.40
874
4.62
1.85
0.40
900
4.48
1.79
0.40
926
28
18
4.11
3.78
0.92
692
3.94
3.62
0.92
727
3.78
3.48
0.92
761
3.64
3.35
0.92
796
28
20
4.29
3.43
0.80
727
4.11
3.29
0.80
770
3.99
3.19
0.80
787
3.85
3.08
0.80
822
28
22
4.46
3.03
0.68
753
4.31
2.93
0.68
800
4.20
2.86
0.68
822
4.03
2.74
0.68
856
28
24
4.69
2.63
0.56
787
4.52
2.53
0.56
830
4.41
2.47
0.56
856
4.27
2.39
0.56
900
28
26
4.83
2.13
0.44
830
4.69
2.06
0.44
874
4.62
2.03
0.44
900
4.48
1.97
0.44
926
29
18
4.11
3.95
0.96
692
3.94
3.78
0.96
727
3.78
3.63
0.96
761
3.64
3.49
0.96
796
29
20
4.29
3.60
0.84
727
4.11
3.45
0.84
770
3.99
3.35
0.84
787
3.85
3.23
0.84
822
29
22
4.46
3.21
0.72
753
4.31
3.10
0.72
800
4.20
3.02
0.72
822
4.03
2.90
0.72
856
29
24
4.69
2.81
0.60
787
4.52
2.71
0.60
830
4.41
2.65
0.60
856
4.27
2.56
0.60
900
29
26
4.83
2.32
0.48
830
4.69
2.25
0.48
874
4.62
2.22
0.48
900
4.48
2.15
0.48
926
30
18
4.11
4.11
1.00
692
3.94
3.94
1.00
727
3.78
3.78
1.00
761
3.64
3.64
1.00
796
30
20
4.29
3.77
0.88
727
4.11
3.62
0.88
770
3.99
3.51
0.88
787
3.85
3.39
0.88
822
30
22
4.46
3.39
0.76
753
4.31
3.27
0.76
800
4.20
3.19
0.76
822
4.03
3.06
0.76
856
30
24
4.69
3.00
0.64
787
4.52
2.89
0.64
830
4.41
2.82
0.64
856
4.27
2.73
0.64
900
30
26
4.83
2.51
0.52
830
4.69
2.44
0.52
874
4.62
2.40
0.52
900
4.48
2.33
0.52
926
31
18
4.11
4.11
1.00
692
3.94
3.94
1.00
727
3.78
3.78
1.00
761
3.64
3.64
1.00
796
31
20
4.29
3.94
0.92
727
4.11
3.78
0.92
770
3.99
3.67
0.92
787
3.85
3.54
0.92
822
31
22
4.46
3.57
0.80
753
4.31
3.44
0.80
800
4.20
3.36
0.80
822
4.03
3.22
0.80
856
31
24
4.69
3.19
0.68
787
4.52
3.07
0.68
830
4.41
3.00
0.68
856
4.27
2.90
0.68
900
31
26
4.83
2.70
0.56
830
4.69
2.63
0.56
874
4.62
2.59
0.56
900
4.48
2.51
0.56
926
32
18
4.11
4.11
1.00
692
3.94
3.94
1.00
727
3.78
3.78
1.00
761
3.64
3.64
1.00
796
32
20
4.29
4.12
0.96
727
4.11
3.95
0.96
770
3.99
3.83
0.96
787
3.85
3.70
0.96
822
32
22
4.46
3.75
0.84
753
4.31
3.62
0.84
800
4.20
3.53
0.84
822
4.03
3.38
0.84
856
32
24
4.69
3.38
0.72
787
4.52
3.25
0.72
830
4.41
3.18
0.72
856
4.27
3.07
0.72
900
32
26
4.83
2.90
0.60
830
4.69
2.81
0.60
874
4.62
2.77
0.60
900
4.48
2.69
0.60
926
NOTE
Q
SHC
SHF
INPUT
Q
SHC
SHF
INPUT
Q
SHC
SHF
INPUT
Q
SHC
Q : Total capacity (kW)
SHC : Sensible heat capacity (kW)
SHF : Sensible heat factor
INPUT : Total power input (W)
DB : Dry-bulb temperature
WB : Wet-bulb temperature
24
www.ilmalämpöpumput.com
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy
PERFORMANCE DATA COOL operation at Rated frequency
MUZ-GE35VA MUZ-GE35VAH
CAPACITY: 3.5 kW
INDOOR INDOOR
DB (°C) WB (°C)
SHF: 0.82
INPUT: 865 W
OUTDOOR DB (°C)
35
40
46
SHF
INPUT
21
18
3.43
2.20
0.64
848
3.15
2.02
0.64
900
2.91
1.86
0.64
934
21
20
3.61
1.87
0.52
882
3.36
1.75
0.52
926
3.12
1.62
0.52
977
22
18
3.43
2.33
0.68
848
3.15
2.14
0.68
900
2.91
1.98
0.68
934
22
20
3.61
2.02
0.56
882
3.36
1.88
0.56
926
3.12
1.74
0.56
977
22
22
3.82
1.68
0.44
917
3.57
1.57
0.44
969
3.33
1.46
0.44
1003
23
18
3.43
2.47
0.72
848
3.15
2.27
0.72
900
2.91
2.09
0.72
934
23
20
3.61
2.16
0.60
882
3.36
2.02
0.60
926
3.12
1.87
0.60
977
23
22
3.82
1.83
0.48
917
3.57
1.71
0.48
969
3.33
1.60
0.48
1003
24
18
3.43
2.61
0.76
848
3.15
2.39
0.76
900
2.91
2.21
0.76
934
24
20
3.61
2.31
0.64
882
3.36
2.15
0.64
926
3.12
1.99
0.64
977
24
22
3.82
1.98
0.52
917
3.57
1.86
0.52
969
3.33
1.73
0.52
1003
24
24
4.03
1.61
0.40
952
3.78
1.51
0.40
995
3.57
1.43
0.40
1038
25
18
3.43
2.74
0.80
848
3.15
2.52
0.80
900
2.91
2.32
0.8
934
25
20
3.61
2.45
0.68
882
3.36
2.28
0.68
926
3.12
2.12
0.68
977
25
22
3.82
2.14
0.56
917
3.57
2.00
0.56
969
3.33
1.86
0.56
1003
25
24
4.03
1.77
0.44
952
3.78
1.66
0.44
995
3.57
1.57
0.44
1038
26
18
3.43
2.88
0.84
848
3.15
2.65
0.84
900
2.91
2.44
0.84
934
26
20
3.61
2.60
0.72
882
3.36
2.42
0.72
926
3.12
2.24
0.72
977
26
22
3.82
2.29
0.60
917
3.57
2.14
0.60
969
3.33
2.00
0.60
1003
26
24
4.03
1.93
0.48
952
3.78
1.81
0.48
995
3.57
1.71
0.48
1038
26
26
4.24
1.52
0.36
986
3.99
1.44
0.36
1029
3.75
1.35
0.36
1073
27
18
3.43
3.02
0.88
848
3.15
2.77
0.88
900
2.91
2.56
0.88
934
27
20
3.61
2.74
0.76
882
3.36
2.55
0.76
926
3.12
2.37
0.76
977
27
22
3.82
2.44
0.64
917
3.57
2.28
0.64
969
3.33
2.13
0.64
1003
27
24
4.03
2.09
0.52
952
3.78
1.97
0.52
995
3.57
1.86
0.52
1038
27
26
4.24
1.69
0.40
986
3.99
1.60
0.40
1029
3.75
1.50
0.40
1073
28
18
3.43
3.16
0.92
848
3.15
2.90
0.92
900
2.91
2.67
0.92
934
28
20
3.61
2.88
0.80
882
3.36
2.69
0.80
926
3.12
2.49
0.80
977
28
22
3.82
2.59
0.68
917
3.57
2.43
0.68
969
3.33
2.26
0.68
1003
28
24
4.03
2.25
0.56
952
3.78
2.12
0.56
995
3.57
2.00
0.56
1038
28
26
4.24
1.86
0.44
986
3.99
1.76
0.44
1029
3.75
1.65
0.44
1073
29
18
3.43
3.29
0.96
848
3.15
3.02
0.96
900
2.91
2.79
0.96
934
29
20
3.61
3.03
0.84
882
3.36
2.82
0.84
926
3.12
2.62
0.84
977
29
22
3.82
2.75
0.72
917
3.57
2.57
0.72
969
3.33
2.39
0.72
1003
29
24
4.03
2.42
0.60
952
3.78
2.27
0.60
995
3.57
2.14
0.60
1038
29
26
4.24
2.03
0.48
986
3.99
1.92
0.48
1029
3.75
1.80
0.48
1073
30
18
3.43
3.43
1.00
848
3.15
3.15
1.00
900
2.91
2.91
1.00
934
30
20
3.61
3.17
0.88
882
3.36
2.96
0.88
926
3.12
2.74
0.88
977
30
22
3.82
2.90
0.76
917
3.57
2.71
0.76
969
3.33
2.53
0.76
1003
30
24
4.03
2.58
0.64
952
3.78
2.42
0.64
995
3.57
2.28
0.64
1038
30
26
4.24
2.20
0.52
986
3.99
2.07
0.52
1029
3.75
1.95
0.52
1073
31
18
3.43
3.43
1.00
848
3.15
3.15
1.00
900
2.91
2.91
1.00
934
31
20
3.61
3.32
0.92
882
3.36
3.09
0.92
926
3.12
2.87
0.92
977
31
22
3.82
3.05
0.80
917
3.57
2.86
0.80
969
3.33
2.66
0.80
1003
31
24
4.03
2.74
0.68
952
3.78
2.57
0.68
995
3.57
2.43
0.68
1038
31
26
4.24
2.37
0.56
986
3.99
2.23
0.56
1029
3.75
2.10
0.56
1073
32
18
3.43
3.43
1.00
848
3.15
3.15
1.00
900
2.91
2.91
1.00
934
32
20
3.61
3.46
0.96
882
3.36
3.23
0.96
926
3.12
2.99
0.96
977
32
22
3.82
3.20
0.84
917
3.57
3.00
0.84
969
3.33
2.79
0.84
1003
32
24
4.03
2.90
0.72
952
3.78
2.72
0.72
995
3.57
2.57
0.72
1038
32
26
4.24
2.54
0.60
986
3.99
2.39
0.60
1029
3.75
2.25
0.60
1073
NOTE
Q
SHC
SHF
INPUT
Q
SHC
SHF
INPUT
Q
SHC
Q : Total capacity (kW)
SHC : Sensible heat capacity (kW)
SHF : Sensible heat factor
INPUT : Total power input (W)
25
www.ilmalämpöpumput.com
DB : Dry-bulb temperature
WB : Wet-bulb temperature
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy
PERFORMANCE DATA COOL operation at Rated frequency
MUZ-GE42VA MUZ-GE42VAH
CAPACITY: 4.2 kW
INDOOR INDOOR
DB (°C) WB (°C)
SHF: 0.77
INPUT: 1215 W
OUTDOOR DB (°C)
21
25
27
30
Q
SHC
SHF
INPUT
Q
SHC
SHF
INPUT
Q
SHC
SHF
INPUT
Q
SHC
SHF
INPUT
21
18
4.94
2.91
0.59
972
4.73
2.79
0.59
1021
4.54
2.68
0.59
1069
4.37
2.58
0.59
1118
21
20
5.15
2.42
0.47
1021
4.94
2.32
0.47
1081
4.79
2.25
0.47
1106
4.62
2.17
0.47
1154
22
18
4.94
3.11
0.63
972
4.73
2.98
0.63
1021
4.54
2.86
0.63
1069
4.37
2.75
0.63
1118
22
20
5.15
2.62
0.51
1021
4.94
2.52
0.51
1081
4.79
2.44
0.51
1106
4.62
2.36
0.51
1154
22
22
5.36
2.09
0.39
1057
5.17
2.01
0.39
1124
5.04
1.97
0.39
1154
4.83
1.88
0.39
1203
23
18
4.94
3.31
0.67
972
4.73
3.17
0.67
1021
4.54
3.04
0.67
1069
4.37
2.93
0.67
1118
23
20
5.15
2.83
0.55
1021
4.94
2.71
0.55
1081
4.79
2.63
0.55
1106
4.62
2.54
0.55
1154
23
22
5.36
2.30
0.43
1057
5.17
2.22
0.43
1124
5.04
2.17
0.43
1154
4.83
2.08
0.43
1203
24
18
4.94
3.50
0.71
972
4.73
3.35
0.71
1021
4.54
3.22
0.71
1069
4.37
3.10
0.71
1118
24
20
5.15
3.04
0.59
1021
4.94
2.91
0.59
1081
4.79
2.82
0.59
1106
4.62
2.73
0.59
1154
24
22
5.36
2.52
0.47
1057
5.17
2.43
0.47
1124
5.04
2.37
0.47
1154
4.83
2.27
0.47
1203
24
24
5.63
1.97
0.35
1106
5.42
1.90
0.35
1166
5.29
1.85
0.35
1203
5.12
1.79
0.35
1264
25
18
4.94
3.70
0.75
972
4.73
3.54
0.75
1021
4.54
3.40
0.75
1069
4.37
3.28
0.75
1118
25
20
5.15
3.24
0.63
1021
4.94
3.11
0.63
1081
4.79
3.02
0.63
1106
4.62
2.91
0.63
1154
25
22
5.36
2.73
0.51
1057
5.17
2.63
0.51
1124
5.04
2.57
0.51
1154
4.83
2.46
0.51
1203
25
24
5.63
2.19
0.39
1106
5.42
2.11
0.39
1166
5.29
2.06
0.39
1203
5.12
2.00
0.39
1264
26
18
4.94
3.90
0.79
972
4.73
3.73
0.79
1021
4.54
3.58
0.79
1069
4.37
3.45
0.79
1118
26
20
5.15
3.45
0.67
1021
4.94
3.31
0.67
1081
4.79
3.21
0.67
1106
4.62
3.10
0.67
1154
26
22
5.36
2.95
0.55
1057
5.17
2.84
0.55
1124
5.04
2.77
0.55
1154
4.83
2.66
0.55
1203
26
24
5.63
2.42
0.43
1106
5.42
2.33
0.43
1166
5.29
2.28
0.43
1203
5.12
2.20
0.43
1264
26
26
5.80
1.80
0.31
1166
5.63
1.74
0.31
1227
5.54
1.72
0.31
1264
5.38
1.67
0.31
1300
27
18
4.94
4.10
0.83
972
4.73
3.92
0.83
1021
4.54
3.76
0.83
1069
4.37
3.63
0.83
1118
27
20
5.15
3.65
0.71
1021
4.94
3.50
0.71
1081
4.79
3.40
0.71
1106
4.62
3.28
0.71
1154
27
22
5.36
3.16
0.59
1057
5.17
3.05
0.59
1124
5.04
2.97
0.59
1154
4.83
2.85
0.59
1203
27
24
5.63
2.65
0.47
1106
5.42
2.55
0.47
1166
5.29
2.49
0.47
1203
5.12
2.41
0.47
1264
27
26
5.80
2.03
0.35
1166
5.63
1.97
0.35
1227
5.54
1.94
0.35
1264
5.38
1.88
0.35
1300
28
18
4.94
4.29
0.87
972
4.73
4.11
0.87
1021
4.54
3.95
0.87
1069
4.37
3.80
0.87
1118
28
20
5.15
3.86
0.75
1021
4.94
3.70
0.75
1081
4.79
3.59
0.75
1106
4.62
3.47
0.75
1154
28
22
5.36
3.37
0.63
1057
5.17
3.25
0.63
1124
5.04
3.18
0.63
1154
4.83
3.04
0.63
1203
28
24
5.63
2.87
0.51
1106
5.42
2.76
0.51
1166
5.29
2.70
0.51
1203
5.12
2.61
0.51
1264
28
26
5.80
2.26
0.39
1166
5.63
2.19
0.39
1227
5.54
2.16
0.39
1264
5.38
2.10
0.39
1300
29
18
4.94
4.49
0.91
972
4.73
4.30
0.91
1021
4.54
4.13
0.91
1069
4.37
3.97
0.91
1118
29
20
5.15
4.06
0.79
1021
4.94
3.90
0.79
1081
4.79
3.78
0.79
1106
4.62
3.65
0.79
1154
29
22
5.36
3.59
0.67
1057
5.17
3.46
0.67
1124
5.04
3.38
0.67
1154
4.83
3.24
0.67
1203
29
24
5.63
3.10
0.55
1106
5.42
2.98
0.55
1166
5.29
2.91
0.55
1203
5.12
2.82
0.55
1264
29
26
5.80
2.49
0.43
1166
5.63
2.42
0.43
1227
5.54
2.38
0.43
1264
5.38
2.31
0.43
1300
30
18
4.94
4.69
0.95
972
4.73
4.49
0.95
1021
4.54
4.31
0.95
1069
4.37
4.15
0.95
1118
30
20
5.15
4.27
0.83
1021
4.94
4.10
0.83
1081
4.79
3.97
0.83
1106
4.62
3.83
0.83
1154
30
22
5.36
3.80
0.71
1057
5.17
3.67
0.71
1124
5.04
3.58
0.71
1154
4.83
3.43
0.71
1203
30
24
5.63
3.32
0.59
1106
5.42
3.20
0.59
1166
5.29
3.12
0.59
1203
5.12
3.02
0.59
1264
30
26
5.80
2.72
0.47
1166
5.63
2.65
0.47
1227
5.54
2.61
0.47
1264
5.38
2.53
0.47
1300
31
18
4.94
4.89
0.99
972
4.73
4.68
0.99
1021
4.54
4.49
0.99
1069
4.37
4.32
0.99
1118
31
20
5.15
4.48
0.87
1021
4.94
4.29
0.87
1081
4.79
4.17
0.87
1106
4.62
4.02
0.87
1154
31
22
5.36
4.02
0.75
1057
5.17
3.87
0.75
1124
5.04
3.78
0.75
1154
4.83
3.62
0.75
1203
31
24
5.63
3.55
0.63
1106
5.42
3.41
0.63
1166
5.29
3.33
0.63
1203
5.12
3.23
0.63
1264
31
26
5.80
2.96
0.51
1166
5.63
2.87
0.51
1227
5.54
2.83
0.51
1264
5.38
2.74
0.51
1300
32
18
4.94
4.94
1.00
972
4.73
4.73
1.00
1021
4.54
4.54
1.00
1069
4.37
4.37
1.00
1118
32
20
5.15
4.68
0.91
1021
4.94
4.49
0.91
1081
4.79
4.36
0.91
1106
4.62
4.20
0.91
1154
32
22
5.36
4.23
0.79
1057
5.17
4.08
0.79
1124
5.04
3.98
0.79
1154
4.83
3.82
0.79
1203
32
24
5.63
3.77
0.67
1106
5.42
3.63
0.67
1166
5.29
3.55
0.67
1203
5.12
3.43
0.67
1264
26
5.80
3.19
0.55
1166
5.63
3.10
0.55
1227
5.54
3.05
0.55
1264
5.38
2.96
0.55
1300
32
NOTE
Q : Total capacity (kW)
SHC : Sensible heat capacity (kW)
SHF : Sensible heat factor
INPUT : Total power input (W)
DB : Dry-bulb temperature
WB : Wet-bulb temperature
26
www.ilmalämpöpumput.com
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy
PERFORMANCE DATA COOL operation at Rated frequency
MUZ-GE42VA MUZ-GE42VAH
CAPACITY: 4.2 kW
INDOOR INDOOR
DB (°C) WB (°C)
SHF: 0.77
INPUT: 1215 W
OUTDOOR DB (°C)
35
40
46
Q
SHC
SHF
INPUT
Q
SHC
SHF
INPUT
Q
SHC
SHF
INPUT
21
18
4.12
2.43
0.59
1191
3.78
2.23
0.59
1264
3.49
2.06
0.59
1312
21
20
4.33
2.03
0.47
1239
4.03
1.90
0.47
1300
3.74
1.76
0.47
1373
22
18
4.12
2.59
0.63
1191
3.78
2.38
0.63
1264
3.49
2.20
0.63
1312
22
20
4.33
2.21
0.51
1239
4.03
2.06
0.51
1300
3.74
1.91
0.51
1373
22
22
4.58
1.79
0.39
1288
4.28
1.67
0.39
1361
3.99
1.56
0.39
1409
23
18
4.12
2.76
0.67
1191
3.78
2.53
0.67
1264
3.49
2.34
0.67
1312
23
20
4.33
2.38
0.55
1239
4.03
2.22
0.55
1300
3.74
2.06
0.55
1373
23
22
4.58
1.97
0.43
1288
4.28
1.84
0.43
1361
3.99
1.72
0.43
1409
24
18
4.12
2.92
0.71
1191
3.78
2.68
0.71
1264
3.49
2.48
0.71
1312
24
20
4.33
2.55
0.59
1239
4.03
2.38
0.59
1300
3.74
2.21
0.59
1373
24
22
4.58
2.15
0.47
1288
4.28
2.01
0.47
1361
3.99
1.88
0.47
1409
24
24
4.83
1.69
0.35
1337
4.54
1.59
0.35
1397
4.28
1.50
0.35
1458
25
18
4.12
3.09
0.75
1191
3.78
2.84
0.75
1264
3.49
2.61
0.75
1312
25
20
4.33
2.73
0.63
1239
4.03
2.54
0.63
1300
3.74
2.35
0.63
1373
25
22
4.58
2.33
0.51
1288
4.28
2.18
0.51
1361
3.99
2.03
0.51
1409
25
24
4.83
1.88
0.39
1337
4.54
1.77
0.39
1397
4.28
1.67
0.39
1458
26
18
4.12
3.25
0.79
1191
3.78
2.99
0.79
1264
3.49
2.75
0.79
1312
26
20
4.33
2.90
0.67
1239
4.03
2.70
0.67
1300
3.74
2.50
0.67
1373
26
22
4.58
2.52
0.55
1288
4.28
2.36
0.55
1361
3.99
2.19
0.55
1409
26
24
4.83
2.08
0.43
1337
4.54
1.95
0.43
1397
4.28
1.84
0.43
1458
26
26
5.08
1.58
0.31
1385
4.79
1.48
0.31
1446
4.49
1.39
0.31
1507
27
18
4.12
3.42
0.83
1191
3.78
3.14
0.83
1264
3.49
2.89
0.83
1312
27
20
4.33
3.07
0.71
1239
4.03
2.86
0.71
1300
3.74
2.65
0.71
1373
27
22
4.58
2.70
0.59
1288
4.28
2.53
0.59
1361
3.99
2.35
0.59
1409
27
24
4.83
2.27
0.47
1337
4.54
2.13
0.47
1397
4.28
2.01
0.47
1458
27
26
5.08
1.78
0.35
1385
4.79
1.68
0.35
1446
4.49
1.57
0.35
1507
28
18
4.12
3.58
0.87
1191
3.78
3.29
0.87
1264
3.49
3.03
0.87
1312
28
20
4.33
3.24
0.75
1239
4.03
3.02
0.75
1300
3.74
2.80
0.75
1373
28
22
4.58
2.88
0.63
1288
4.28
2.70
0.63
1361
3.99
2.51
0.63
1409
28
24
4.83
2.46
0.51
1337
4.54
2.31
0.51
1397
4.28
2.18
0.51
1458
28
26
5.08
1.98
0.39
1385
4.79
1.87
0.39
1446
4.49
1.75
0.39
1507
29
18
4.12
3.75
0.91
1191
3.78
3.44
0.91
1264
3.49
3.17
0.91
1312
29
20
4.33
3.42
0.79
1239
4.03
3.19
0.79
1300
3.74
2.95
0.79
1373
29
22
4.58
3.07
0.67
1288
4.28
2.87
0.67
1361
3.99
2.67
0.67
1409
29
24
4.83
2.66
0.55
1337
4.54
2.49
0.55
1397
4.28
2.36
0.55
1458
29
26
5.08
2.19
0.43
1385
4.79
2.06
0.43
1446
4.49
1.93
0.43
1507
30
18
4.12
3.91
0.95
1191
3.78
3.59
0.95
1264
3.49
3.31
0.95
1312
30
20
4.33
3.59
0.83
1239
4.03
3.35
0.83
1300
3.74
3.10
0.83
1373
30
22
4.58
3.25
0.71
1288
4.28
3.04
0.71
1361
3.99
2.83
0.71
1409
30
24
4.83
2.85
0.59
1337
4.54
2.68
0.59
1397
4.28
2.53
0.59
1458
30
26
5.08
2.39
0.47
1385
4.79
2.25
0.47
1446
4.49
2.11
0.47
1507
31
18
4.12
4.07
0.99
1191
3.78
3.74
0.99
1264
3.49
3.45
0.99
1312
31
20
4.33
3.76
0.87
1239
4.03
3.51
0.87
1300
3.74
3.25
0.87
1373
31
22
4.58
3.43
0.75
1288
4.28
3.21
0.75
1361
3.99
2.99
0.75
1409
31
24
4.83
3.04
0.63
1337
4.54
2.86
0.63
1397
4.28
2.70
0.63
1458
31
26
5.08
2.59
0.51
1385
4.79
2.44
0.51
1446
4.49
2.29
0.51
1507
32
18
4.12
4.12
1.00
1191
3.78
3.78
1.00
1264
3.49
3.49
1.00
1312
32
20
4.33
3.94
0.91
1239
4.03
3.67
0.91
1300
3.74
3.40
0.91
1373
32
22
4.58
3.62
0.79
1288
4.28
3.38
0.79
1361
3.99
3.15
0.79
1409
32
24
4.83
3.24
0.67
1337
4.54
3.04
0.67
1397
4.28
2.87
0.67
1458
32
26
5.08
2.80
0.55
1385
4.79
2.63
0.55
1446
4.49
2.47
0.55
1507
NOTE
Q : Total capacity (kW)
SHC : Sensible heat capacity (kW)
SHF : Sensible heat factor
INPUT : Total power input (W)
27
www.ilmalämpöpumput.com
DB : Dry-bulb temperature
WB : Wet-bulb temperature
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy
PERFORMANCE DATA COOL operation at Rated frequency
MUZ-GE50VA MUZ-GE50VAH
CAPACITY: 5.0 kW
INDOOR INDOOR
DB (°C) WB (°C)
SHF: 0.76
INPUT: 1515 W
OUTDOOR DB (°C)
21
25
27
30
SHF
INPUT
21
18
5.88
3.41
0.58
1212
5.63
3.26
0.58
1273
5.40
3.13
0.58
1333
5.20
3.02
0.58
1394
21
20
6.13
2.82
0.46
1273
5.88
2.70
0.46
1348
5.70
2.62
0.46
1379
5.50
2.53
0.46
1439
22
18
5.88
3.64
0.62
1212
5.63
3.49
0.62
1273
5.40
3.35
0.62
1333
5.20
3.22
0.62
1394
22
20
6.13
3.06
0.50
1273
5.88
2.94
0.50
1348
5.70
2.85
0.50
1379
5.50
2.75
0.50
1439
22
22
6.38
2.42
0.38
1318
6.15
2.34
0.38
1401
6.00
2.28
0.38
1439
5.75
2.19
0.38
1500
23
18
5.88
3.88
0.66
1212
5.63
3.71
0.66
1273
5.40
3.56
0.66
1333
5.20
3.43
0.66
1394
23
20
6.13
3.31
0.54
1273
5.88
3.17
0.54
1348
5.70
3.08
0.54
1379
5.50
2.97
0.54
1439
23
22
6.38
2.68
0.42
1318
6.15
2.58
0.42
1401
6.00
2.52
0.42
1439
5.75
2.42
0.42
1500
24
18
5.88
4.11
0.70
1212
5.63
3.94
0.70
1273
5.40
3.78
0.70
1333
5.20
3.64
0.70
1394
24
20
6.13
3.55
0.58
1273
5.88
3.41
0.58
1348
5.70
3.31
0.58
1379
5.50
3.19
0.58
1439
24
22
6.38
2.93
0.46
1318
6.15
2.83
0.46
1401
6.00
2.76
0.46
1439
5.75
2.65
0.46
1500
24
24
6.70
2.28
0.34
1379
6.45
2.19
0.34
1454
6.30
2.14
0.34
1500
6.10
2.07
0.34
1576
25
18
5.88
4.35
0.74
1212
5.63
4.16
0.74
1273
5.40
4.00
0.74
1333
5.20
3.85
0.74
1394
25
20
6.13
3.80
0.62
1273
5.88
3.64
0.62
1348
5.70
3.53
0.62
1379
5.50
3.41
0.62
1439
25
22
6.38
3.19
0.50
1318
6.15
3.08
0.50
1401
6.00
3.00
0.50
1439
5.75
2.88
0.50
1500
25
24
6.70
2.55
0.38
1379
6.45
2.45
0.38
1454
6.30
2.39
0.38
1500
6.10
2.32
0.38
1576
26
18
5.88
4.58
0.78
1212
5.63
4.39
0.78
1273
5.40
4.21
0.78
1333
5.20
4.06
0.78
1394
26
20
6.13
4.04
0.66
1273
5.88
3.88
0.66
1348
5.70
3.76
0.66
1379
5.50
3.63
0.66
1439
26
22
6.38
3.44
0.54
1318
6.15
3.32
0.54
1401
6.00
3.24
0.54
1439
5.75
3.11
0.54
1500
26
24
6.70
2.81
0.42
1379
6.45
2.71
0.42
1454
6.30
2.65
0.42
1500
6.10
2.56
0.42
1576
26
26
6.90
2.07
0.30
1454
6.70
2.01
0.30
1530
6.60
1.98
0.30
1576
6.40
1.92
0.30
1621
27
18
5.88
4.82
0.82
1212
5.63
4.61
0.82
1273
5.40
4.43
0.82
1333
5.20
4.26
0.82
1394
27
20
6.13
4.29
0.70
1273
5.88
4.11
0.70
1348
5.70
3.99
0.70
1379
5.50
3.85
0.70
1439
27
22
6.38
3.70
0.58
1318
6.15
3.57
0.58
1401
6.00
3.48
0.58
1439
5.75
3.34
0.58
1500
27
24
6.70
3.08
0.46
1379
6.45
2.97
0.46
1454
6.30
2.90
0.46
1500
6.10
2.81
0.46
1576
27
26
6.90
2.35
0.34
1454
6.70
2.28
0.34
1530
6.60
2.24
0.34
1576
6.40
2.18
0.34
1621
28
18
5.88
5.05
0.86
1212
5.63
4.84
0.86
1273
5.40
4.64
0.86
1333
5.20
4.47
0.86
1394
28
20
6.13
4.53
0.74
1273
5.88
4.35
0.74
1348
5.70
4.22
0.74
1379
5.50
4.07
0.74
1439
28
22
6.38
3.95
0.62
1318
6.15
3.81
0.62
1401
6.00
3.72
0.62
1439
5.75
3.57
0.62
1500
28
24
6.70
3.35
0.50
1379
6.45
3.23
0.50
1454
6.30
3.15
0.50
1500
6.10
3.05
0.50
1576
28
26
6.90
2.62
0.38
1454
6.70
2.55
0.38
1530
6.60
2.51
0.38
1576
6.40
2.43
0.38
1621
29
18
5.88
5.29
0.90
1212
5.63
5.06
0.90
1273
5.40
4.86
0.90
1333
5.20
4.68
0.90
1394
29
20
6.13
4.78
0.78
1273
5.88
4.58
0.78
1348
5.70
4.45
0.78
1379
5.50
4.29
0.78
1439
29
22
6.38
4.21
0.66
1318
6.15
4.06
0.66
1401
6.00
3.96
0.66
1439
5.75
3.80
0.66
1500
29
24
6.70
3.62
0.54
1379
6.45
3.48
0.54
1454
6.30
3.40
0.54
1500
6.10
3.29
0.54
1576
29
26
6.90
2.90
0.42
1454
6.70
2.81
0.42
1530
6.60
2.77
0.42
1576
6.40
2.69
0.42
1621
30
18
5.88
5.52
0.94
1212
5.63
5.29
0.94
1273
5.40
5.08
0.94
1333
5.20
4.89
0.94
1394
30
20
6.13
5.02
0.82
1273
5.88
4.82
0.82
1348
5.70
4.67
0.82
1379
5.50
4.51
0.82
1439
30
22
6.38
4.46
0.70
1318
6.15
4.31
0.70
1401
6.00
4.20
0.70
1439
5.75
4.03
0.70
1500
30
24
6.70
3.89
0.58
1379
6.45
3.74
0.58
1454
6.30
3.65
0.58
1500
6.10
3.54
0.58
1576
30
26
6.90
3.17
0.46
1454
6.70
3.08
0.46
1530
6.60
3.04
0.46
1576
6.40
2.94
0.46
1621
31
18
5.88
5.76
0.98
1212
5.63
5.51
0.98
1273
5.40
5.29
0.98
1333
5.20
5.10
0.98
1394
31
20
6.13
5.27
0.86
1273
5.88
5.05
0.86
1348
5.70
4.90
0.86
1379
5.50
4.73
0.86
1439
31
22
6.38
4.72
0.74
1318
6.15
4.55
0.74
1401
6.00
4.44
0.74
1439
5.75
4.26
0.74
1500
31
24
6.70
4.15
0.62
1379
6.45
4.00
0.62
1454
6.30
3.91
0.62
1500
6.10
3.78
0.62
1576
31
26
6.90
3.45
0.50
1454
6.70
3.35
0.50
1530
6.60
3.30
0.50
1576
6.40
3.20
0.50
1621
32
18
5.88
5.88
1.00
1212
5.63
5.63
1.00
1273
5.40
5.40
1.00
1333
5.20
5.20
1.00
1394
32
20
6.13
5.51
0.90
1273
5.88
5.29
0.90
1348
5.70
5.13
0.90
1379
5.50
4.95
0.90
1439
32
22
6.38
4.97
0.78
1318
6.15
4.80
0.78
1401
6.00
4.68
0.78
1439
5.75
4.49
0.78
1500
32
24
6.70
4.42
0.66
1379
6.45
4.26
0.66
1454
6.30
4.16
0.66
1500
6.10
4.03
0.66
1576
32
26
6.90
3.73
0.54
1454
6.70
3.62
0.54
1530
6.60
3.56
0.54
1576
6.40
3.46
0.54
1621
NOTE
Q
SHC
SHF
INPUT
Q
SHC
SHF
INPUT
Q
SHC
SHF
INPUT
Q
SHC
Q : Total capacity (kW)
SHC : Sensible heat capacity (kW)
SHF : Sensible heat factor
INPUT : Total power input (W)
DB : Dry-bulb temperature
WB : Wet-bulb temperature
28
www.ilmalämpöpumput.com
Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy
PERFORMANCE DATA COOL operation at Rated frequency
MUZ-GE50VA MUZ-GE50VAH
CAPACITY: 5.0 kW
INDOOR INDOOR
DB (°C) WB (°C)
SHF: 0.76
INPUT: 1515 W
OUTDOOR DB (°C)
35
40
46
SHF
INPUT
21
18
4.90
2.84
0.58
1485
4.50
2.61
0.58
1576
4.15
2.41
0.58
1636
21
20
5.15
2.37
0.46
1545
4.80
2.21
0.46
1621
4.45
2.05
0.46
1712
22
18
4.90
3.04
0.62
1485
4.50
2.79
0.62
1576
4.15
2.57
0.62
1636
22
20
5.15
2.58
0.50
1545
4.80
2.40
0.50
1621
4.45
2.23
0.50
1712
22
22
5.45
2.07
0.38
1606
5.10
1.94
0.38
1697
4.75
1.81
0.38
1757
23
18
4.90
3.23
0.66
1485
4.50
2.97
0.66
1576
4.15
2.74
0.66
1636
23
20
5.15
2.78
0.54
1545
4.80
2.59
0.54
1621
4.45
2.40
0.54
1712
23
22
5.45
2.29
0.42
1606
5.10
2.14
0.42
1697
4.75
2.00
0.42
1757
24
18
4.90
3.43
0.70
1485
4.50
3.15
0.70
1576
4.15
2.91
0.70
1636
24
20
5.15
2.99
0.58
1545
4.80
2.78
0.58
1621
4.45
2.58
0.58
1712
24
22
5.45
2.51
0.46
1606
5.10
2.35
0.46
1697
4.75
2.19
0.46
1757
24
24
5.75
1.96
0.34
1667
5.40
1.84
0.34
1742
5.10
1.73
0.34
1818
25
18
4.90
3.63
0.74
1485
4.50
3.33
0.74
1576
4.15
3.07
0.74
1636
25
20
5.15
3.19
0.62
1545
4.80
2.98
0.62
1621
4.45
2.76
0.62
1712
25
22
5.45
2.73
0.50
1606
5.10
2.55
0.50
1697
4.75
2.38
0.50
1757
25
24
5.75
2.19
0.38
1667
5.40
2.05
0.38
1742
5.10
1.94
0.38
1818
26
18
4.90
3.82
0.78
1485
4.50
3.51
0.78
1576
4.15
3.24
0.78
1636
26
20
5.15
3.40
0.66
1545
4.80
3.17
0.66
1621
4.45
2.94
0.66
1712
26
22
5.45
2.94
0.54
1606
5.10
2.75
0.54
1697
4.75
2.57
0.54
1757
26
24
5.75
2.42
0.42
1667
5.40
2.27
0.42
1742
5.10
2.14
0.42
1818
26
26
6.05
1.82
0.30
1727
5.70
1.71
0.30
1803
5.35
1.61
0.30
1879
27
18
4.90
4.02
0.82
1485
4.50
3.69
0.82
1576
4.15
3.40
0.82
1636
27
20
5.15
3.61
0.70
1545
4.80
3.36
0.70
1621
4.45
3.12
0.70
1712
27
22
5.45
3.16
0.58
1606
5.10
2.96
0.58
1697
4.75
2.76
0.58
1757
27
24
5.75
2.65
0.46
1667
5.40
2.48
0.46
1742
5.10
2.35
0.46
1818
27
26
6.05
2.06
0.34
1727
5.70
1.94
0.34
1803
5.35
1.82
0.34
1879
28
18
4.90
4.21
0.86
1485
4.50
3.87
0.86
1576
4.15
3.57
0.86
1636
28
20
5.15
3.81
0.74
1545
4.80
3.55
0.74
1621
4.45
3.29
0.74
1712
28
22
5.45
3.38
0.62
1606
5.10
3.16
0.62
1697
4.75
2.95
0.62
1757
28
24
5.75
2.88
0.50
1667
5.40
2.70
0.50
1742
5.10
2.55
0.50
1818
28
26
6.05
2.30
0.38
1727
5.70
2.17
0.38
1803
5.35
2.03
0.38
1879
29
18
4.90
4.41
0.90
1485
4.50
4.05
0.90
1576
4.15
3.74
0.90
1636
29
20
5.15
4.02
0.78
1545
4.80
3.74
0.78
1621
4.45
3.47
0.78
1712
29
22
5.45
3.60
0.66
1606
5.10
3.37
0.66
1697
4.75
3.14
0.66
1757
29
24
5.75
3.11
0.54
1667
5.40
2.92
0.54
1742
5.10
2.75
0.54
1818
29
26
6.05
2.54
0.42
1727
5.70
2.39
0.42
1803
5.35
2.25
0.42
1879
30
18
4.90
4.61
0.94
1485
4.50
4.23
0.94
1576
4.15
3.90
0.94
1636
30
20
5.15
4.22
0.82
1545
4.80
3.94
0.82
1621
4.45
3.65
0.82
1712
30
22
5.45
3.82
0.70
1606
5.10
3.57
0.70
1697
4.75
3.33
0.70
1757
30
24
5.75
3.34
0.58
1667
5.40
3.13
0.58
1742
5.10
2.96
0.58
1818
30
26
6.05
2.78
0.46
1727
5.70
2.62
0.46
1803
5.35
2.46
0.46
1879
31
18
4.90
4.80
0.98
1485
4.50
4.41
0.98
1576
4.15
4.07
0.98
1636
31
20
5.15
4.43
0.86
1545
4.80
4.13
0.86
1621
4.45
3.83
0.86
1712
31
22
5.45
4.03
0.74
1606
5.10
3.77
0.74
1697
4.75
3.52
0.74
1757
31
24
5.75
3.57
0.62
1667
5.40
3.35
0.62
1742
5.10
3.16
0.62
1818
31
26
6.05
3.03
0.50
1727
5.70
2.85
0.50
1803
5.35
2.68
0.50
1879
32
18
4.90
4.90
1.00
1485
4.50
4.50
1.00
1576
4.15
4.15
1.00
1636
32
20
5.15
4.64
0.90
1545
4.80
4.32
0.90
1621
4.45
4.01
0.90
1712
32
22
5.45
4.25
0.78
1606
5.10
3.98
0.78
1697
4.75
3.71
0.78
1757
32
24
5.75
3.80
0.66
1667
5.40
3.56
0.66
1742
5.10
3.37
0.66
1818
32
26
6.05
3.27
0.54
1727
5.70
3.08
0.54
1803
5.35
2.89
0.54
1879
NOTE
Q
SHC
SHF
INPUT
Q
SHC
SHF
INPUT
Q
SHC
Q : Total capacity (kW)
SHC : Sensible heat capacity (kW)
SHF : Sensible heat factor
INPUT : Total power input (W)
29
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DB : Dry-bulb temperature
WB : Wet-bulb temperature
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PERFORMANCE DATA HEAT operation at Rated frequency
MUZ-GE25VA MUZ-GE25VAH
CAPACITY: 3.2 kW
INDOOR
DB (°C)
INPUT: 700 W
OUTDOOR WB (°C)
-10
-5
0
5
10
15
20
Q
INPUT
Q
INPUT
Q
INPUT
Q
INPUT
Q
INPUT
Q
INPUT
Q
INPUT
15
2.02
455
2.43
546
2.85
616
3.26
665
3.68
707
4.06
728
4.48
742
21
1.92
490
2.30
581
2.72
644
3.10
693
3.52
728
3.90
749
4.30
777
26
1.73
525
2.14
616
2.53
679
2.94
728
3.36
763
3.74
784
4.16
805
MUZ-GE35VA MUZ-GE35VAH
CAPACITY: 4.0 kW
INDOOR
DB (°C)
INPUT: 955 W
OUTDOOR WB (°C)
-10
-5
0
5
10
15
20
Q
INPUT
Q
INPUT
Q
INPUT
Q
INPUT
Q
INPUT
Q
INPUT
Q
15
2.52
621
3.04
745
3.56
840
4.08
907
4.60
965
5.08
993
5.60
INPUT
1012
21
2.40
669
2.88
793
3.40
879
3.88
945
4.40
993
4.88
1022
5.38
1060
26
2.16
716
2.68
840
3.16
926
3.68
993
4.20
1041
4.68
1070
5.20
1098
MUZ-GE42VA MUZ-GE42VAH
CAPACITY: 5.4 kW
INDOOR
DB (°C)
INPUT: 1460 W
OUTDOOR WB (°C)
-10
-5
0
5
10
15
20
Q
INPUT
Q
INPUT
Q
INPUT
Q
INPUT
Q
INPUT
Q
INPUT
Q
15
3.40
949
4.10
1139
4.81
1285
5.51
1387
6.21
1475
6.86
1518
7.56
INPUT
1548
21
3.24
1022
3.89
1212
4.59
1343
5.24
1445
5.94
1518
6.59
1562
7.26
1621
26
2.92
1095
3.62
1285
4.27
1416
4.97
1518
5.67
1591
6.32
1635
7.02
1679
MUZ-GE50VAH MUZ-GE50VAH
CAPACITY: 5.8 kW
INDOOR
DB (°C)
INPUT: 1565 W
OUTDOOR WB (°C)
-10
-5
0
5
10
15
20
Q
INPUT
Q
INPUT
Q
INPUT
Q
INPUT
Q
INPUT
Q
INPUT
Q
INPUT
15
3.65
1017
4.41
1221
5.16
1377
5.92
1487
6.67
1581
7.37
1628
8.12
1659
21
3.48
1096
4.18
1299
4.93
1440
5.63
1549
6.38
1628
7.08
1675
7.80
1737
26
3.13
1174
3.89
1377
4.58
1518
5.34
1628
6.09
1706
6.79
1753
7.54
1800
NOTE: Q: Total capacity (kW) INPUT : Total power input (W) DB: Dry-bulb temperature WB: Wet-bulb temperature
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9
ACTUATOR CONTROL
MUZ-GE25VA MUZ-GE25VAH MUZ-GE35VA MUZ-GE35VAH
MUZ-GE42VA MUZ-GE42VAH MUZ-GE50VA MUZ-GE50VAH
9-1. OUTDOOR FAN MOTOR CONTROL
The fan motor turns ON/OFF, interlocking with the compressor.
[ON] The fan motor turns ON 5 seconds before the compressor starts up.
[OFF] The fan motor turns OFF 15 seconds after the compressor has stopped running.
5 seconds
15 seconds
ON
Compressor
OFF
ON
Outdoor fan
motor
OFF
9-2. R.V. COIL CONTROL
Heating . . . . . . . . . . . . . . . . . ON
Cooling . . . . . . . . . . . . . . . . . OFF
Dry . . . . . . . . . . . . . . . . . . . . OFF
NOTE: The 4-way valve reverses for 5 seconds right before start-up of the compressor.
<COOL>
<HEAT>
5 seconds
Compressor
ON
OFF
R.V.coil
ON
OFF
5 seconds
Outdoor fan ON
OFF
motor
9-3. RELATION BETWEEN MAIN SENSOR AND ACTUATOR
Sensor
Discharge temperature
thermistor
Indoor coil temperature
thermistor
Defrost thermistor
Fin temperature thermistor
Ambient temperature
thermistor
Outdoor heat exchanger temperature thermistor
Purpose
Protection
Cooling: Coil frost prevention
Heating: High pressure protection
Heating: Defrosting
Protection
Cooling: Low ambient temperature operation
Heating: Defrosting (Heater)
Cooling: Low ambient temperature operation
Cooling: High pressure protection
Actuator
Outdoor fan R.V.coil
motor
Compressor
LEV
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
31
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○
Indoor fan
motor
Defrost
heater
○
○
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10
SERVICE FUNCTIONS
MUZ-GE25VA MUZ-GE25VAH MUZ-GE35VA MUZ-GE35VAH
MUZ-GE42VA MUZ-GE42VAH MUZ-GE50VA MUZ-GE50VAH
10-1. CHANGE IN DEFROST SETTING
Changing defrost finish temperature
<JS> To change the defrost finish temperature, cut/solder the JS wire of the outdoor inverter P.C. board. (Refer to
11-6-1.)
Defrost finish temperature (°C)
GE25/35/42
GE50
5
9
10
18
Jumper wire
JS
Soldered (Initial setting)
None (Cut)
10-2. PRE-HEAT CONTROL SETTING
PRE-HEAT CONTROL
When moisture gets into the refrigerant cycle, it may interfere the start-up of the compressor at low outside temperature.
The pre-heat control prevents this interference. The pre-heat control turns ON when outside temperature is 20°C or
below. When pre-heat control is turned ON, compressor is energized. (About 50 W)
<JK> To activate the pre-heat control, cut the JK wire of the inverter P.C. board. (Refer to 11-6.1)
NOTE: When the inverter P.C. board is replaced, check the Jumper wires, and cut/solder them if necessary.
11
TROUBLESHOOTING
MUZ-GE25VA MUZ-GE25VAH MUZ-GE35VA MUZ-GE35VAH
MUZ-GE42VA MUZ-GE42VAH MUZ-GE50VA MUZ-GE50VAH
11-1. CAUTIONS ON TROUBLESHOOTING
1. Before troubleshooting, check the following
1) Check the power supply voltage.
2) Check the indoor/outdoor connecting wire for miswiring.
2. Take care of the following during servicing
1) Before servicing the air conditioner, be sure to turn OFF the main unit first with the remote controller, and then after
confirming the horizontal vane is closed, turn OFF the breaker and/or disconnect the power plug.
2) Be sure to turn OFF the power supply before removing the front panel, the cabinet, the top panel, and the electronic
control P.C. board.
3) When removing the electrical parts, be careful of the residual voltage of smoothing capacitor.
4) When removing the electronic control P.C. board, hold the edge of the board with care NOT to apply stress on the
components.
5) When connecting or disconnecting the connectors, hold the housing of the connector. DO NOT pull the lead wires.
Lead wiring
Housing point
3. Troubleshooting procedure
1) First, check if the OPERATION INDICATOR lamp on the indoor unit is flashing on and off to indicate an abnormality.
To make sure, check how many times the abnormality indication is flashing on and off before starting service work.
2) Before servicing, check that the connector and terminal are connected properly.
3) When the electronic control P.C. board seems to be defective, check the copper foil pattern for disconnection and the
components for bursting and discoloration.
4) Refer to 11-2. and 11-3.
32
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11-2. FAILURE MODE RECALL FUNCTION
Outline of the function
This air conditioner can memorize the abnormal condition which has occurred once.
Even though LED indication listed on the troubleshooting check table (11-3.) disappears, the memorized failure details
can be recalled.
1. Flow chart of failure mode recall function for the indoor/outdoor unit
Operational procedure
The cause of abnormality cannot be found because the abnormality does not recur.
Setting up the failure mode recall function
Turn ON the power supply.
<Preparation of the remote controller>
While pressing both OPERATION SELECT button and TOO COOL button on the
remote controller at the same time, press RESET button.
First, release RESET button.
And release the other two buttons after all LCD in operation display section of the
remote controller is displayed after 3 seconds.
Press OPERATE/STOP (ON/OFF) button of the remote controller (the set temperature
is displayed) with the remote controller headed towards the indoor unit. 1
1. Regardless of normal or abnormal condition, a short
beep is emitted once the signal is received.
Does the upper lamp of OPERATION INDICATOR lamp on the
indoor unit blink at the interval of 0.5 seconds?
Blinks: Either indoor or outdoor unit is abnormal. Beep is
emitted at the same timing as the blinking of the upper
lamp of OPERATION INDICATOR lamp. 2
Indoor unit is normal.
But the outdoor unit might be abnormal because there are some abnormalities that can not be recalled with this way.
Confirm if outdoor unit is abnormal according to the detailed outdoor
unit failure mode recall function. (Refer to 11-2.2)
No
(OFF)
Yes
(Blinks)
Judgment of indoor/outdoor abnormality
Before blinking, does the upper lamp of OPERATION INDICATOR lamp stay ON for 3 seconds?
Stays ON for 3 seconds (without beep):
The outdoor unit is abnormal.
No
Yes
The outdoor unit is abnormal.
Check the blinking pattern, and confirm the abnormal point with the
outdoor unit failure mode table. (Refer to 11-2.3)
Make sure to check at least two consecutive blinking cycles. 3
The indoor unit is abnormal.
Check the blinking pattern, and confirm the abnormal point with the indoor unit
failure mode table. (Refer to indoor unit service manual.)
Make sure to check at least two consecutive blinking cycles.
2
Releasing the failure mode recall function
Release the failure mode recall function by the following procedures.
Turn OFF the power supply and turn it ON again.
Press RESET button of the remote controller.
Repair the defective parts.
Deleting the memorized abnormal condition
After repairing the unit, recall the failure mode again according to "Setting up the failure mode recall
function" mentioned above.
Press OPERATE/STOP (ON/OFF) button of the remote controller (the set temperature is displayed)
with the remote controller headed towards the indoor unit.
Press EMERGENCY OPERATION switch so that the memorized abnormal condition is deleted.
Release the failure mode recall function according to "Releasing the failure mode recall function"
mentioned above.
NOTE: 1. Make sure to release the failure mode recall function once it is set up, otherwise the unit cannot operate properly.
2. If the abnormal condition is not deleted from the memory, the last abnormal condition is kept memorized.
2. Blinking pattern when the indoor unit is abnormal:
Blinking at 0.52.5-second OFF second interval
Blinking at 0.52.5-second OFF second interval
ON
OFF
Beeps
Repeated cycle
Beeps
Repeated cycle
Beeps
Repeated cycle
3.Blinking pattern when the outdoor unit is abnormal:
Blinking at 0.52.5-second OFF
3-second ON
second interval
2.5-second OFF
3-second ON
Blinking at 0.5second interval
ON
OFF
No beep
Repeated cycle
Beeps
No beep
Repeated cycle
33
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Beeps
Repeated cycle
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2. Flow chart of the detailed outdoor unit failure mode recall function
Operational procedure
The outdoor unit might be abnormal.
Confirm if outdoor unit is abnormal according to the following procedures.
Confirm that the remote controller is in the failure mode recall function.
With the remote controller headed towards the indoor unit, press TOO
COOL or TOO WARM button to adjust the set temperature to 25°C. 1
Does the upper lamp of OPERATION INDICATOR
lamp on the indoor unit blink at the interval of 0.5
seconds?
Blinks: The outdoor unit is abnormal. Beep is emitted
at the same timing as the blinking of the upper
lamp of OPERATION INDICATOR lamp. 2
Yes
(Blinks)
1. Regardless of normal or abnormal condition, 2 short
beeps are emitted as the signal is received.
No
(OFF)
The outdoor unit is abnormal.
Check the blinking pattern, and confirm the abnormal point with the outdoor unit failure mode table (11-2.3.).
Make sure to check at least two consecutive blinking cycles. 2
The outdoor unit is normal.
Releasing the failure mode recall function
Release the failure mode recall function by the following procedures.
Turn OFF the power supply and turn it ON again.
Press RESET button of the remote controller.
Release the failure mode recall function according to the left mentioned procedure.
Repair the defective parts.
Deleting the memorized abnormal condition
After repairing the unit, recall the failure mode again according to "Setting up the failure mode recall
function" (11-2.1.).
Press OPERATE/STOP (ON/OFF) button of the remote controller (the set temperature is displayed) with
the remote controller headed towards the indoor unit.
Press EMERGENCY OPERATION switch so that the memorized abnormal condition is deleted.
Release the failure mode recall function according to "Releasing the failure mode recall function" mentioned above.
NOTE: 1. Make sure to release the failure mode recall function once it is set up, otherwise the unit cannot operate properly.
2. If the abnormal condition is not deleted from the memory, the last abnormal condition is kept memorized.
2.Blinking pattern when outdoor unit is abnormal:
2.5-second OFF
3-second ON
Blinking at 0.5second interval
2.5-second OFF
3-second ON
Blinking at 0.5second interval
ON
OFF
No beep
Repeated cycle
Beeps
No beep
Repeated cycle
34
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Beeps
Repeated cycle
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3. Outdoor unit failure mode table
The upper
lamp of
OPERATION
Abnormal point
INDICATOR
(Failure mode / protection)
lamp
(Indoor unit)
OFF
None (Normal)
LED indication
(Outdoor P.C. board)
Condition
Correspondence
—
—
—
—
Overcurrent protection stop is
continuously performed 3 times within
1 minute after the compressor gets
started.
• Reconnect
connectors.
• Refer to 11-5. "How
to check inverter/
compressor".
• Check stop valve.
• Refer to 11-5.
"Check of outdoor
thermistors".
Defective outdoor
thermistors can be
identified by checking
the blinking pattern of
LED.
2-time flash
2.5 seconds
OFF
Outdoor power system
3-time flash
2.5 seconds
OFF
Discharge temperature
thermistor
Defrost thermistor
1-time flash every
2.5 seconds
Fin temperature thermistor
3-time flash
2.5 seconds OFF
P.C. board temperature
thermistor
4-time flash
2.5 seconds OFF
Ambient temperature
thermistor
2-time flash
2.5 seconds OFF
Overcurrent
11-time flash
2.5 seconds OFF
4-time flash
2.5 seconds
OFF
Compressor synchronous
abnormality (Compressor
start-up failure protection)
5-time flash
2.5 seconds
OFF
12-time flash
2.5 seconds OFF
Discharge temperature
—
6-time flash
2.5 seconds
OFF
High pressure
7-time flash
2.5 seconds
OFF
Fin temperature/ P.C. board
temperature
8-time flash
2.5 seconds
OFF
Outdoor fan motor
9-time flash
2.5 seconds
OFF
10-time flash
2.5 seconds
OFF
Nonvolatile memory data
11-time flash
2.5 seconds
OFF
DC voltage
8-time flash
2.5 seconds OFF
Each phase current of
compressor
9-time flash
2.5 seconds OFF
Overcurrent Compressor
open-phase
10-time flash
2.5 seconds OFF
12-time flash
2.5 seconds
OFF
14-time flash
2.5 seconds
OFF
—
7-time flash
2.5 seconds OFF
—
5-time flash
2.5 seconds OFF
Discharge temperature
—
Stop valve (Closed valve)
14-time flash
2.5 seconds OFF
Thermistor shorts or opens during
compressor running.
Large current flows into intelligent
power module.
Waveform of compressor current is
distorted.
—
—
○
○
○
○
• Reconnect
compressor connector.
• Refer to 11-5. "How
to check inverter/
compressor".
• Check stop valve.
—
○
• Reconnect
compressor connector.
• Refer to 11-5. "How
to check inverter/
compressor".
—
○
—
○
—
○
—
○
Temperature of discharge temperature
thermistor exceeds 116°C, compressor
stops.
Compressor can restart if discharge
temperature thermistor reads 100°C or
less 3 minutes later.
• Check refrigerant
circuit and refrigerant
amount.
• Refer to 11-5. "Check
of LEV".
Temperature indoor coil thermistor
exceeds 70°C in HEAT mode.
Temperature defrost thermistor
exceeds 70°C in COOL mode.
• Check refrigerant
circuit and refrigerant
amount.
• Check stop valve.
Temperature of fin temperature
thermistor on the inverter P.C. board
exceeds 75 ~ 80°C, or temperature of
P.C. board temperature thermistor on
the inverter P.C. board exceeds 70 ~
75°C.
• Check around outdoor
unit.
• Check outdoor unit air
passage.
• Refer to 11-5. "Check
of outdoor fan motor".
Outdoor fan has stopped 3 times in a
row within 30 seconds after outdoor
fan start-up.
• Refer to 11-5. "Check
of outdoor fan motor".
Refer to 11-5. "Check
of inverter P.C. board".
Nonvolatile memory data cannot be
read properly.
• Replace the inverter
P.C. board.
Temperature of discharge temperature • Refer to 11-5. "Check
thermistor has been 50°C or less for
of LEV".
20 minutes.
• Check refrigerant
circuit and refrigerant
amount.
DC voltage of inverter cannot be
• Refer to 11-5. "How
detected normally.
to check inverter/
compressor".
Each phase current of compressor
cannot be detected normally.
Large current flows into intelligent
• Reconnect
power module (IPM).
compressor connector.
The open-phase operation of
• Refer to 11-5. "How
compressor is detected.
to check inverter/
The interphase short out occurs in the compressor".
output of the intelligent power module
(IPM).
The compressor winding shorts out.
Closed valve is detected by
compressor current.
• Check stop valve
NOTE: Blinking patterns of this mode differ from the ones of Troubleshooting check table (11-3.).
35
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Indoor/outdoor Outdoor unit
unit failure
failure mode
mode recall recall
function
function
—
○
○
○
—
○
—
○
—
○
○
○
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11-3. TROUBLESHOOTING CHECK TABLE
No.
1
Symptom
Outdoor unit
does not operate.
Abnormal point/
Condition
1-time flash every Outdoor power sys2.5 seconds
tem
LED indication
3
6-time flash
2.5 seconds OFF
11-time flash
2.5 seconds OFF
14-time flash
2.5 seconds OFF
5
6
7
8
Outdoor control sys- Nonvolatile memory data cannot be read properly.
tem
(The upper lamp of OPERATION INDICATOR lamp of the indoor unit lights up or flashes 7-time.)
Serial signal
The communication fails between the indoor and outdoor unit
for 3 minutes.
Stop valve/
Closed valve is detected by compressor current.
Closed valve
Outdoor unit
Outdoor unit is defective.
(Other abnormality)
'Outdoor unit 2-time flash
stops and
2.5 seconds OFF
restarts 3
minutes later'
is repeated.
3-time flash
2.5 seconds OFF
Overcurrent protection
Large current flows into intelligent power module.
4-time flash
2.5 seconds OFF
Fin temperature
/P.C. board temperature thermistor
overheat protection
High pressure protection
Temperature of fin temperature thermistor on the heat sink
exceeds 75 ~ 80°C or temperature of P.C. board temperature
thermistor on the inverter P.C.board exceeds 70 ~ 75°C.
9
5-time flash
2.5 seconds OFF
11
8-time flash
2.5 seconds OFF
Compressor synThe waveform of compressor current is distorted.
chronous abnormality
10-time flash
2.5 seconds OFF
Outdoor fan motor
12
Outdoor fan has stopped 3 times in a row within 30 seconds
after outdoor fan start-up.
12-time flash
2.5 seconds OFF
13-time flash
2.5 seconds OFF
1-time flash
2.5 seconds OFF
3-time flash
2.5 seconds OFF
Each phase current
of compressor
DC voltage
Each phase current of compressor cannot be detected normally.
DC voltage of inverter cannot be detected normally.
Frequency drop by
current protection
Frequency drop by
high pressure protection
Current from power outlet is nearing breaker capacity.
14
15
Outdoor unit
operates.
16
17
18
Outdoor unit
operates.
Indoor coil thermistor exceeds 70°C in HEAT mode. Defrost
thermistor exceeds 70°C in COOL mode.
Temperature of indoor coil thermistor exceeds 55°C in HEAT
mode, compressor frequency lowers.
• Refer to 11-2.2. "Flow chart of the
detailed outdoor unit failure mode
recall function".
• Check around outdoor unit.
• Check outdoor unit air passage.
• Refer to 11-5. "Check of outdoor
fan motor".
• Check refrigerant circuit and refrigerant amount.
• Check stop valve.
• Reconnect connector of compressor.
• Refer to 11-5. "How to check inverter/compressor".
• Refer to 11-5. "Check of outdoor
fan motor.
• Refer to 11-5. "Check of inverter
P.C. board.
• Refer to 11-5. "How to check inverter/compressor".
• Refer to 11-5. "How to check inverter/compressor".
The unit is normal, but check the
following.
• Check if indoor filters are clogged.
• Check if refrigerant is short.
• Check if indoor/outdoor unit air circulation is short cycled.
Indoor coil thermistor reads 8°C or less in COOL mode, compressor frequency lowers.
4-time flash
2.5 seconds OFF
Frequency drop by
discharge temperature protection
7-time flash
2.5 seconds OFF
Low discharge temperature protection
Temperature of discharge temperature thermistor exceeds 111 • Check refrigerant circuit and refrig°C, compressor frequency lowers.
erant amount.
• Refer to 11-5. "Check of LEV".
• Refer to 11-5. "Check of outdoor
thermistors".
Temperature of discharge temperature thermistor has been 50 • Refer to 11-5. "Check of LEV".
• Check refrigerant circuit and refrig°C or less for 20 minutes.
erant amount.
8-time flash
2.5 seconds OFF
PAM protection
PAM: Pulse Amplitude Modulation
9-time flash
2.5 seconds OFF
Inverter check mode The connector of compressor is disconnected, inverter check
mode starts.
The overcurrent flows into IGBT (Insulated Gate Bipolar transistor: TR821) or the bus-bar voltage reaches 320 V or more,
PAM stops and restarts.
NOTE: 1. The location of LED is illustrated at the right figure. Refer to 11-6.1.
2. LED is lighted during normal operation.
ON
2.5-second OFF
This is not malfunction. PAM protection will be activated in the following cases:
1 Instantaneous power voltage
drop. (Short time power failure)
2 When the power supply voltage
is high.
• Check if the connector of the compressor is correctly connected.
Refer to 11-5. "How to check
inverter/compressor".
Inverter P.C. board (Parts side)
The flashing frequency shows the number of times the LED blinks after every 2.5-second OFF.
(Example) When the flashing frequency is “2”.
0.5-second ON
0.5-second ON
OFF
• Refer to 11-5. "How to check miswiring and serial signal error.
• Check stop valve.
Frequency drop by
defrosting in COOL
mode
19
20
• Replace inverter P.C. board.
• Reconnect connector of compressor.
• Refer to 11-5. "How to check inverter/compressor".
• Check stop valve.
Discharge tempera- Temperature of discharge temperature thermistor exceeds 116 • Check refrigerant circuit and refrigture overheat protec- °C, compressor stops. Compressor can restart if discharge
erant amount.
tion
temperature thermistor reads 100°C or less 3 minutes later.
• Refer to 11-5. "Check of LEV".
10
13
Correspondence
Overcurrent protection stop is continuously performed 3 times • Reconnect connector of compreswithin 1 minute after the compressor gets started.
sor.
• Refer to 11-5. "How to check inverter/compressor".
• Check stop valve.
Outdoor thermistors Discharge temperature thermistor, fin temperature thermistor, • Refer to 11-5. "Check of outdoor
defrost thermistor, P.C. board temperature thermistor or ambi- thermistors".
ent temperature thermistor shorts or opens during compressor
running.
2
4
Condition
2.5-second OFF
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LED
Flashing →
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11-4. TROUBLE CRITERION OF MAIN PARTS
MUZ-GE25VA MUZ-GE25VAH MUZ-GE35VA MUZ-GE35VAH
MUZ-GE42VA MUZ-GE42VAH MUZ-GE50VA MUZ-GE50VAH
Part name
Defrost thermistor (RT61)
Check method and criterion
Figure
Fin temperature
thermistor (RT64)
Measure the resistance with a tester.
Ambient temperature
thermistor (RT65)
Refer to 11-6. “Test point diagram and voltage”, 1. “Inverter P.C.
board”, the chart of thermistor.
Outdoor heat exchanger
temperature thermistor
(RT68)
Discharge temperature
thermistor (RT62)
Measure the resistance with a tester. Before measurement, hold the
thermistor with your hands to warm it up.
Refer to 11-6. “Test point diagram and voltage”, 1. “Inverter P.C.
board”, the chart of thermistor.
Measure the resistance between terminals using a tester.
(Temperature: -10 ~ 40°C)
Compressor
U-V
U-W
V-W
GE25
Normal (Ω)
GE35
GE42/50
1.36 ~ 1.93
1.52 ~ 2.17
0.78 ~ 1.11
WHT
W
V
Measure the resistance between lead wires using a tester.
(Temperature: -10 ~ 40°C)
Color of lead wire
Outdoor fan motor
RED – BLK
BLK – WHT
WHT – RED
RED BLK
GE25/35
Normal (Ω)
GE42
GE50
29 ~ 42
11 ~ 16
12 ~ 17
WHT
U
RED BLK
W
V
U
Measure the resistance using a tester.
(Temperature: -10 ~ 40°C)
R. V. coil (21S4)
Normal (kΩ)
1.19 ~ 1.78
Measure the resistance using a tester.
(Temperature: -10 ~ 40°C)
Normal (Ω)
LEV
RED
ORN
Normal (Ω)
349 ~ 428
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BLU
YLW
37 ~ 54
Measure the resistance using a tester.
(Temperature: -10 ~ 40°C)
Defrost heater
MUZ-GE•VAH
WHT
BRN
Expansion valve coil
(LEV)
Color of lead wire
WHT – RED
RED – ORN
YLW – BRN
BRN – BLU
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11-5. TROUBLESHOOTING FLOW
A How to check inverter/compressor
Disconnect the connector (CN61) between
compressor and the intelligent power module
(IPM).
See 11-5.
Check the voltage between terminals.
Are the voltages balanced?
Yes
No
Replace the inverter P.C. board.
See 11-5.
Check the compressor.
“Check of open phase”.
“Check of compressor”.
B Check of open phase
● With the connector between the compressor and the intelligent power module disconnected, activate the inverter and check if
the inverter is normal by measuring the balance of voltage between the terminals.
Output voltage is 50 - 130 V. (The voltage may differ according to the tester.)
<< Operation method>>
Start cooling or heating operation by pressing EMERGENCY OPERATION switch on the indoor unit. (TEST RUN OPERATION: Refer to 8-3.)
<<Measurement point>>
At 3 points
BLK (U)-WHT (V)
Measure AC voltage between the lead wires at 3 points.
BLK (U)-RED (W)
WHT(V)-RED (W)
NOTE: 1. Output voltage varies according to power supply voltage.
2. Measure the voltage by analog type tester.
3. During this check, LED of the inverter P.C. board flashes 9 times. (Refer to 11-6.1.)
C Check of compressor
Refer to 11-5. “Check of compressor
winding”.
Is the compressor normal?
Yes
Refer to 11-5. “Check of compressor
operation time”.
Does the compressor operate continuously?
Yes
No
No
Replace the compressor.
Refer to 11-5.
“Check of compressor start failure”.
OK.
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D Check of compressor winding
●Disconnect the connector (CN61) between the compressor and intelligent power module, and measure the resistance between
the compressor terminals.
<<Measurement point>>
at 3 points
BLK-WHT
Measure the resistance between the lead wires at 3 points.
BLK-RED
WHT-RED
<<Judgement>>
Refer to 11-4.
0 [Ω] ················Abnormal [short]
Infinite [Ω] ·······Abnormal [open]
NOTE: Be sure to zero the ohmmeter before measurement.
E Check of compressor operation time
<<Judgement>>
● Connect the compressor and activate the inverter. Then measure
the time until the inverter stops due to over current.
<<Operation method>>
Start heating or cooling operation by pressing EMERGENCY
OPERATION switch on the indoor unit. (TEST RUN OPERATION:
Refer to 8-3.)
<<Measurement>>
Measure the time from the start of compressor to the stop of
compressor due to overcurrent.
0 second
Compressor starts
1 second
Abnormal
(IPM failure)
(Compressor winding short)
2 seconds
Abnormal
(Compressor lock out)
(Starting defect)
10 seconds
Abnormal
(Poor contact,)
(Outdoor P.C. board defect)
(Disconnected connector)
Abnormal
(Refrigerant circuit defect)
(Closed valve)
10 minutes
Normal
F Check of compressor start failure
Confirm that ~ is normal.
•Electrical circuit check
. Contact of the compressor connector (Including CN61)
. Output voltage of inverter P.C. board and balance of them (See 11-5. )
. Direct current voltage between DB61(+) and (-) on the inverter P.C. board
. Voltage between outdoor terminal block S1-S2
Does the compressor run for 10 seconds or
more after it starts?
Yes
Check the refrigerant circuit.
Check the stop valve.
No
After the compressor is heated with a drier,
does the compressor start? 1
No
Replace the compressor.
Yes
1
Heat the compressor with
a drier for about 20 minutes.
Do not recover refrigerant
gas while heating.
Compressor start failure. Activate pre-heat control.
(Refer to 10-2. "PRE-HEAT CONTROL SETTING")
Heating part
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G Check of outdoor thermistors
Disconnect the connector of thermistor in the outdoor P.C. board (see
below table), and measure the resistance of thermistor.
Is the resistance of thermistor normal?
(Refer to 11-6.1.)
Yes
No
Replace the thermistor except RT64.
When RT64 is abnormal, replace the inverter P.C.
board.
Reconnect the connector of thermistor.
Turn ON the power supply and press EMERGENCY OPERATION switch.
Does the unit operate for 10 minutes or more
without showing thermistor abnormality?
Yes
No
Replace the inverter P.C. board.
OK.
(Cause is poor contact.)
Thermistor
Symbol
Connector, Pin No.
Defrost
RT61 Between CN641 pin1 and pin2
Discharge temperature
RT62 Between CN641 pin3 and pin4
Fin temperature
RT64 Between CN642 pin1 and pin2
Ambient temperature
RT65 Between CN643 pin1 and pin2
Outdoor heat exchanger temperature RT68 Between CN644 pin1 and pin3
Board
Inverter P.C. board
H Check of R.V. coil
First of all, measure the resistance of R.V. coil to check if the coil is defective. Refer to 11-4.
In case CN721 is disconnected or R.V. coil is open, voltage is generated between the terminal pins of the connector
although no signal is being transmitted to R.V. coil.
Check if CN721 is connected.
Unit operates COOL mode even if it is set to HEAT mode.
Disconnect connector (CN61)
between the compressor and the
intelligent power module.
Turn ON the power supply and press
EMERGENCY OPERATION switch
twice (HEAT mode).
Is there 230 VAC between CN721 and
on the inverter P.C. board 3 minutes
after the power supply is turned ON?
No
Replace the inverter
P.C. board.
Yes
Replace the 4-way valve.
Unit operates HEAT mode even if it is set to COOL mode.
Disconnect connector (CN61)
between the compressor and the
intelligent power module.
Turn ON the power supply and
press EMERGENCY OPERATION
switch once (COOL mode).
Is there 230 VAC between CN721 and
on the inverter P.C. board 3 minutes
after the power supply is turned ON?
No
Replace the 4-way valve.
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Replace the inverter
Yes P.C. board.
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I Check of outdoor fan motor
MUZ-GE25/35/42
Disconnect CN932 from the inverter P.C. board,
and measure the resistance of the outdoor fan
motor.
Is the resistance of outdoor fan motor normal?
(Refer to 11-4.)
Yes
No
Replace the outdoor fan motor.
Replace the inverter P.C. board.
MUZ-GE50
Check the connection between the
connector CN931 and CN932.
Is the resistance between each terminal of outdoor fan motor normal?
(Refer to 11-4.)
No
Yes
Disconnect CN932 from the inverter P.C. board, and turn on the
power supply.
Rotate the outdoor fan motor manually and measure the voltage
of CN931.
Between 1(+) and 5(-)
Between 2(+) and 5(-)
Between 3(+) and 5(-)
(Fixed to either 5 or 0 VDC)
No
No
Does the voltage between each terminal become 5 and 0
VDC repeatedly?
Yes
Does the outdoor fan motor rotate smoothly?
Yes
Replace the inverter P.C. board.
Replace the outdoor fan motor.
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J Check of power supply
Disconnect the connector (CN61)
between compressor and intelligent
power module.
Turn ON power supply and press
EMERGENCY OPERATION switch.
Does The upper lamp of
OPERATION INDICATOR lamp on
the indoor unit light up?
Yes
Is there voltage 280 ~ 370 VDC
between DB61 (+) and DB61 (–) on
the inverter P.C. board?
(Refer to 11-6.1.)
No
Check the electric parts in main circuit.
Rectify indoor/outdoor
connecting wire.
No
Yes
Yes
Is there voltage 230 VAC
between the indoor terminal
block S1 and S2?
Dose LED on the inverter P.C.
board light up or flash? (Refer
to 11-6.1.)
Yes
If light up, OK.
If flash, refer to 11-3.
No
No
Replace the indoor
electronic control P.C.
board.
Replace the inverter
P.C. board.
280 ~ 370 VDC
DB61
Inverter P.C. board
(Solder side)
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K Check of LEV (Expansion valve)
Turn ON the power supply.
<Preparation of the remote controller>
While pressing both OPERATION SELECT button
and TOO COOL button on the remote controller at the
same time, press RESET button.
First, release RESET button.
And release the other two buttons after all LCD except
the set temperature in operation display section of the
remote controller is displayed after 3 seconds.
Press OPERATE/STOP (ON/OFF) button of the remote
controller (the set temperature is displayed) with the
remote controller headed towards the indoor unit. 1
Expansion valve operates in full-opening direction.
Do you hear the expansion valve "click,
click·······"?
Do you feel the expansion valve vibrate
on touching it ?
No
Is LEV coil properly fixed to
the expansion valve?
No
Yes
Does the resistance of LEV
coil have the characteristics? Yes
(Refer to 11-4.)
No
Replace the LEV coil.
1. Regardless of normal or abnormal condition, a short beep
is emitted once the signal is received.
Yes
OK
Properly fix the LEV coil to the expansion valve.
Measure each voltage between connector
pins of CN724 on the inverter P.C. board.
1. Pin (-) — Pin (+)
2. Pin (-) — Pin (+)
3. Pin (-) — Pin (+)
4. Pin (-) — Pin (+)
Is there about 3 ~ 5 VAC between each?
NOTE: Measure the voltage by an analog
tester.
Yes
Replace the expansion valve.
NOTE: After check of LEV, do the undermentioned operations.
1. Turn OFF the power supply and turn it ON again.
2. Press RESET button on the remote controller.
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No
Replace the inverter P.C.
board.
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L Check of inverter P.C. board
Check the outdoor fan motor.
(Refer to 11-5. .)
Is the fuse (F901) blown on the inverter P.C. board?
Yes
No
Check the connection of the connectors
(CN931 , CN932) of the outdoor fan motor.
If the connection is poor, make it correct.
Only MUZ-GE50
Operate the outdoor unit by starting
EMERGENCY OPERATION.
Check the LED indication on the inverter P.C. board.
Does the LED flash 10 times?
Yes
(10-time flash)
No
Check the corresponding parts
following LED indication.
(Refer to 11-3.)
Replace the inverter P.C. board.
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M How to check miswiring and serial signal error
Turn OFF the power supply.
Is there rated voltage in the
power supply?
Check the power supply.
No
Yes
Turn ON the power supply.
Is there rated voltage between
outdoor terminal block S1 and
S2?
Yes
Check the wiring.
No
Press EMERGENCY OPERATION switch once.
Does the upper lamp of OPERATION INDICATOR lamp light up? <Confirmation of the power
to the indoor unit>
Yes
No
Is serial signal error indicated 6 minutes later?
Is there any miswiring,
poor contact, or wire
disconnection of the
indoor/outdoor connecting wire?
No
No
Yes
Yes
Correct them.
A
Turn OFF the power supply.
Check once more if the indoor/outdoor
B connecting wire is not miswiring.
Short-circuit outdoor terminal block S2
and S3. 1
1. Miswiring may damage indoor electronic control P.C.
board during the operation.
Be sure to confirm the wiring is correct before the operation starts.
3. Be sure to check this within 3 minutes after turning ON.
After 3 minutes, LED blinks 6 times. Even when the
inverter P.C. board or the outdoor electronic control P.C.
board is normal, LED blinks 6 times after 3 minutes.
(Except for outdoor unit of multi system type)
Turn ON the power supply.
Does the LED on the inverter P.C. board or
the outdoor electronic control P.C. board
repeat "3.6-second-OFF and 0.8-secondON quick blinking"? 3
Yes
A
• Turn OFF inverter-controlled lighting
equipment.
• Turn OFF the power supply and then
turn ON again.
• Press EMERGENCY OPERATION
switch.
Is serial signal
error indicated 6
minutes later?
Yes
B
• Reinstall
either the unit
or the light
each other
away.
• Attach a filter
No on remote
control receiving section
of the indoor
unit.
Turn OFF the power supply.
Remove the short-circuit between outdoor terminal block S2 and S3.
Turn ON the power supply.
Is there amplitude of 10 to 20 V DC
between indoor terminal block S2 and
S3? <Confirmation of serial signal>
Is there rated voltage between indoor
terminal block S1 and S2?
<Confirmation of power voltage>
No
(Lighted
or not
lighted)
No
Replace the inverter P.C. board or the
outdoor electronic control P.C. board.
2
2. Be careful of the residual voltage
of smoothing capacitor.
Is there any error of the indoor/outdoor connecting wire,
such as the damage of the wire,
intermediate connection, poor
contact to the terminal block?
Yes
Replace the
indoor/outdoor
connecting wire.
No
Yes
Is there 2 VDC or less between CN10A (+)
and JPG (GND)(-) on the indoor electronic
control P.C. board?
No
Yes
Is there 2 VDC or less between
CN10A (+) and JPG (GND)(-) on
the indoor electronic control P.C.
board?
No
Yes
Replace the indoor power P.C. board
and the indoor terminal P.C. board
Is there 2 VDC or less between
CN10A (+) and JPG (GND)(-) on
the indoor electronic control P.C.
board?
No
Replace the indoor electronic control P.C. board.
Be sure to release the failure-mode recall function after checking.
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Yes
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N Electromagnetic noise enters into TV sets or radios
Is the unit earthed?
Yes
Is the distance between the antennas
and the indoor unit within 3 m, or is the
distance between the antennas and the
outdoor unit within 3 m?
No
Earth the unit.
No
Yes
Extend the distance between the antennas and
the indoor unit, and/or the antennas and the
outdoor unit.
Is the distance between the TV sets or
radios and the indoor unit within 1 m, or
is the distance between the TV sets or
radios and the outdoor unit within 3 m?
No
Yes
Extend the distance between the TV sets and/or
radios and the indoor unit, or the TV sets or
radios and the outdoor unit.
Are the antennas damaged?
Is the coaxial cable damaged?
Is there any poor contact in the antenna wiring?
No
Yes
Replace or repair the antenna.
Replace or repair the coaxial cable.
Yes
Extend the distance between the indoor/outdoor
connecting wire of the air conditioner and the wiring of the antennas.
Is the indoor/outdoor connecting wire
of the air conditioner and the wiring of
the antennas close?
No
Even if all of the above conditions are fulfilled, the electromagnetic noise may enter, depending on the electric field strength
or the installation condition (combination of specific conditions such as antennas or wiring).
Check the following before asking for service.
1. Devices affected by the electromagnetic noise
TV sets, radios (FM/AM broadcast, shortwave)
2. Channel, frequency, broadcast station affected by the electromagnetic noise
3. Channel, frequency, broadcast station unaffected by the electromagnetic noise
4. Layout of:
indoor/outdoor unit of the air conditioner, indoor/outdoor wiring, earth wire, antennas, wiring from antennas, receiver
5. Electric field intensity of the broadcast station affected by the electromagnetic noise
6. Presence or absence of amplifier such as booster
7. Operation condition of air conditioner when the electromagnetic noise enters in
1) Turn OFF the power supply once, and then turn ON the power supply. In this situation, check for the electromagnetic
noise.
2) Within 3 minutes after turning ON the power supply, press OPERATE/STOP (ON/OFF) button on the remote controller
for power ON, and check for the electromagnetic noise.
3) After a short time (3 minutes later after turning ON), the outdoor unit starts running. During operation, check for the
electromagnetic noise.
4) Press OPERATE/STOP (ON/OFF) button on the remote controller for power OFF, when the outdoor unit stops but the
indoor/outdoor communication still runs on. In this situation, check for the electromagnetic noise.
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O Check of defrost heater
MUZ-GE•VAH
Check the following points before checking electric continuity.
1. Does the resistance of ambient temperature thermistor have the characteristics? Refer to 11-6.1.
2. Is the resistance of defrost heater normal? Refer to 11-4.
3. Does the heater protector remain conducted (not open)?
4. Are both ambient temperature thermistor and circuit of defrost heater securely connected to connectors?
In HEAT mode, for more than 5 minutes, let the ambient temperature thermistor continue to read 5°C or
below, and let the defrost thermistor continue to read -1°C or below.
NOTE: In case both thermistors are more than the above temperature, cool them with cold
water etc...
Is there 230 VAC between CN722 and
the inverter P.C. board? Refer to 11-6.1.
on
Not the problem of the inverter P.C. board.
Yes
No
Replace the inverter P.C. board.
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11-6. TEST POINT DIAGRAM AND VOLTAGE
1. Inverter P.C. board
MUZ-GE25VA MUZ-GE25VAH MUZ-GE35VA MUZ-GE35VAH
MUZ-GE42VA MUZ-GE42VAH
DB61
DC 260 - 300 V
(-)
(+)
Back side of unit
Smoothing
capacitor
(C62)
Smoothing
capacitor
(C63)
Smoothing
capacitor
(C61)
Fuse (F701)
250 V 3.15 A
Fuse (F801)
250 V 3.15 A
AC 230 V
Heater
connector
(CN722)
MUZ-GE•VAH
R.V.coil
(CN721)
230 VAC
Fuse (F901)
250 V 3.15 A
Output to
drive
compressor
(LDU,
LDV,
LDW)
Discharge temperature
thermistor /RT62
(CN641)
Defrost thermistor
/RT61(CN641)
Ambient temperature
thermistor /RT65
(CN643)
Outdoor heat exchanger
temperature thermistor
/RT68 (CN644)
Fin temperature
thermistor /RT64
(CN642)
Front side of unit
Output to drive outdoor
fan motor (CN932)
AC 230 V
LEV
connector
(CN724)
Defrost thermistor(RT61)
Ambient temperature thermistor(RT65)
Outdoor heat exchanger temperature thermistor(RT68)
100
200
90
180
60
600
50
40
30
20
10
0
-20
500
400
300
-10
0
10 20 30
Temperature( )
40
120
100
80
60
200
40
100
20
0
Fin temperature thermistor(RT64)
140
Resistance(k )
700
Jumper wire
for pre-heat
control setting
(JK)
160
Discharge temperature thermistor(RT62)
70
Resistance(k )
Resistance(k )
80
Jumper wire for
changing defrost
setting (JS)
0
10
20
30
40
50
60
70
80
90 100 110 120
Temperature( )
48
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0
0
10 20 30 40 50 60 70 80
Temperature( )
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MUZ-GE50VA MUZ-GE50VAH
Back side of unit
DB61
DC 260 ~300 V
(-)
(+)
Smoothing
capacitor
(C62)
Smoothing
capacitor
(C63)
Smoothing
capacitor
Fuse (F701)
(C61)
250 V 3.15 A
Fuse (F801)
250 V 3.15 A
AC 230 V
R.V.coil
(CN721)
230 VAC
Heater connector
(CN722)
MUZ-GE•VAH
Fuse (F901)
250 V 3.15 A
Output to
drive
compressor
(LDU,
LDV,
LDW)
Defrost thermistor(RT61)
Ambient temperature thermistor(RT65)
Outdoor heat exchanger temperature thermistor(RT68)
100
200
90
180
60
600
50
40
30
20
10
0
-20
500
400
300
0
10 20 30
Temperature( )
40
Jumper wire for pre-heat
control setting (JK)
Jumper wire for changing
defrost setting (JS)
120
100
80
60
200
40
100
20
0
-10
140
Resistance(k )
700
Fin temperature thermistor(RT64)
160
Discharge temperature thermistor(RT62)
70
Resistance(k )
Resistance(k )
80
LEV connector (CN724)
Signal of outdoor fan
motor (CN931)
Output to drive outdoor
fan motor (CN932)
Discharge temperature
thermistor /RT62
(CN641)
Defrost thermistor
/RT61(CN641)
Ambient temperature
thermistor /RT65
(CN643)
Outdoor heat exchanger
temperature thermistor
/RT68(CN644)
Front side of unit
Fin temperature
thermistor /RT64
(CN642)
AC 230 V
0
10
20
30
40
50
60
70
80
90 100 110 120
Temperature( )
49
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0
0
10 20 30 40 50 60 70 80
Temperature( )
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12
DISASSEMBLY INSTRUCTIONS
<"Terminal with locking mechanism" Detaching points>
The terminal which has the locking mechanism can be detached as shown below.
There are two types (refer to (1) and (2)) of the terminal with locking mechanism.
The terminal without locking mechanism can be detached by pulling it out.
Check the shape of the terminal before detaching.
(1) Slide the sleeve and check if there is a locking lever or not.
(2) The terminal with this connector has the
locking mechanism.
Sleeve
Locking lever
Slide the sleeve.
Pull the terminal while
pushing the locking
lever.
Hold the sleeve, and
pull out the terminal
slowly.
Connector
12-1. MUZ-GE25VA MUZ-GE25VAH MUZ-GE35VA MUZ-GE35VAH
MUZ-GE42VA MUZ-GE42VAH
NOTE: Turn OFF power supply before disassembling.
OPERATING PROCEDURE
PHOTOS
1. Removing the cabinet
Photo 1
(1) Remove the screw fixing the service panel.
(2) Pull down the service panel and remove it.
(3) Disconnect the power supply and indoor/outdoor connecting wire.
(4) Remove the screws fixing the top panel.
(5) Remove the top panel.
(6) Remove the screws fixing the cabinet.
(7) Remove the cabinet.
(8) Remove the screws fixing the back panel.
(9) Remove the back panel.
Screws of the
top panel
Screws of
the top panel
Back
panel
Screws of
the cabinet
Photo 2
Service
panel
Screw of the
cabinet
Screw of the
service panel
Direction to
remove
Screws of
the cabinet
50
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Hooks
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OPERATING PROCEDURE
PHOTOS
2. Removing the inverter assembly, inverter P.C. board
Photo 3
(1) Remove the cabinet and panels. (Refer to 1.)
(2) Disconnect the lead wire to the reactor and the following connectors:
<Inverter P.C. board>
CN721 (R.V. coil)
CN722 (Defrost heater)
CN932 (Fan motor)
CN641 (Defrost thermistor and discharge temperature thermistor)
CN643 (Ambient temperature thermistor)
CN644 (Outdoor heat exchanger temperature thermistor)
CN724 (LEV)
(3) Remove the compressor connector (CN61).
(4) Remove the screws fixing the relay panel. (Photo 3)
(5) Remove the inverter assembly. (Photo 4)
(6) Remove the screw of the earth wire and screw of the
T.B.support. (Photo 4)
(7) Remove the relay panel from the inverter assembly.
(8) Remove the inverter P.C. board from the relay panel.
Screws of the
relay panel
Photo 4 (Inverter assembly)
Inverter
P.C. board
Heat sink
Screw of the
T.B.support
T.B.support
3. Removing R.V. coil
(1) Remove the cabinet and panels. (Refer to 1.)
(2) Disconnect the following connectors:
<Inverter P.C. board>
CN721 (R.V. coil)
(3) Remove the R.V. coil. (Photo 5)
Relay panel
4. Removing the discharge temperature thermistor,
defrost thermistor, outdoor heat exchanger temperature thermistor and ambient temperature thermistor
Photo 5
Screw of the
earth wire
R.V. coil
(1) Remove the cabinet and panels. (Refer to 1.)
(2) Disconnect the lead wire to the reactor and the following connectors:
<Inverter P.C. board>
CN641 (Defrost thermistor and discharge temperature thermistor)
CN643 (Ambient temperature thermistor)
CN644 (Outdoor heat exchanger temperature thermistor)
(3) Pull out the discharge temperature thermistor from its holder.
(Photo 5)
(4) Pull out the defrost thermistor from its holder. (Photo 6)
(5) Pull out the outdoor heat exchanger temperature thermistor
from its holder. (Photo 6)
(6) Pull out the ambient temperature thermistor from its holder.
Discharge temperature thermistor
51
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OPERATING PROCEDURE
PHOTOS
5. Removing outdoor fan motor
Photo 6
(1) Remove the cabinet and panels. (Refer to 1.)
(2) Disconnect the following connectors:
<Inverter P.C. board>
CN932 (Fan motor)
(3) Remove the propeller nut. (Photo 7)
(4) Remove the propeller. (Photo 7)
(5) Remove the screws fixing the fan motor. (Photo 7)
(6) Remove the fan motor.
Outdoor heat
exchanger temperature thermistor
6. Removing the compressor and 4-way valve
(1) Remove the cabinet and panels. (Refer to 1.)
(2) Remove the inverter assembly. (Refer to 2.)
(3) Recover gas from the refrigerant circuit.
NOTE: Recover gas from the pipes until the pressure gauge
shows 0 kg/cm2 (0 MPa).
(4) Detach the welded part of the suction and the discharge pipe
connected with compressor.
(5) Remove the nuts of compressor legs.
(6) Remove the compressor.
(7) Detach the welded part of pipes connected with 4-way valve.
(Photo 8)
Defrost thermistor
Photo 7
Propeller
Screws of the outdoor fan motor
Propeller nut
Photo 8
Welded parts of 4-way valve
52
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12-2. MUZ-GE50VA MUZ-GE50VAH
NOTE: Turn OFF power supply before disassembling.
OPERATING PROCEDURE
PHOTOS
1. Removing the cabinet
Photo 1
(1)
(2)
(3)
(4)
(5)
(6)
(7)
Remove the screws of the service panel.
Remove the screws of the top panel.
Remove the screw of the valve cover.
Remove the service panel.
Remove the top panel.
Remove the valve cover.
Disconnect the power supply and indoor/outdoor connecting wire.
(8) Remove the screws of the cabinet.
(9) Remove the cabinet.
(10) Remove the screws of the back panel.
(11) Remove the back panel.
Screw of the top panel
Screws of the cabinet
Screws
of the
back
panel
Screws
of the
cabinet
Photo 2
Screw of the top panel
Screws
of the
cabinet
Screw
of the
service
panel
Screw
of the
valve
cover
53
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Screws of
the back
panel
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OPERATING PROCEDURE
PHOTOS
2. Removing the inverter assembly, inverter P.C. board
Photo 3
Screws of the
relay panel
(1) Remove the cabinet and panels. (Refer to 1.)
(2) Disconnect the lead wire to the reactor and the following connectors:
<Inverter P.C. board>
CN721 (R.V.coil)
CN932 (Fan motor)
CN641 (Defrost thermistor and discharge temperature thermistor)
CN643 (Ambient temperature thermistor)
CN644 (Outdoor heat exchanger temperature thermistor)
CN724 (LEV)
(3) Remove the compressor connector (CN61).
(4) Remove the screws fixing the relay panel. (Photo 3)
(5) Remove the inverter assembly. (Photo 4)
(6) Remove the screw of the earth wire and screw of the
T.B.support. (Photo 4)
(7) Remove the screw of the PB fixture.
(8) Remove the relay panel from the PB support.
(9) Remove the inverter P.C. board from the inverter assembly.
Screws of
the reactor
Photo 4 (Inverter assembly)
Heat sink
Hook of the
PB support
Inverter P.C.
board
Screw of the
T.B.support
PB support
3. Removing R.V. coil
T.B.support
(1) Remove the cabinet and panels. (Refer to 1.)
(2) Disconnect the following connectors:
<Inverter P.C. board>
CN721 (R.V. coil)
(3) Remove the R.V. coil. (Photo 5)
Hook of the
PB support
Relay panel
Screw of the
earth wire
Screw of the
PB fixture
Photo5
R.V. coil
Welded parts of 4-way valve
54
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OPERATING PROCEDURE
PHOTOS
4. Removing the discharge temperature thermistor,
defrost thermistor, outdoor heat exchanger temperature thermistor and ambient temperature thermistor
Photo 6
Outdoor heat
exchanger temperature thermistor
(1) Remove the cabinet and panels. (Refer to 1.)
(2) Disconnect the lead wire to the reactor and the following
connectors:
<Inverter P.C. board>
CN641 (Defrost thermistor and discharge temperature thermistor)
CN643 (Ambient temperature thermistor)
CN644 (Outdoor heat exchanger temperature thermistor)
(3) Pull out the discharge temperature thermistor from its holder. (Photo 8)
(4) Pull out the defrost thermistor from its holder. (Photo 6)
(5) Pull out the outdoor heat exchanger temperature thermistor
from its holder. (Photo 6)
(6) Pull out the ambient temperature thermistor from its holder.
(Photo 6)
Ambient temperature
thermistor
5. Removing outdoor fan motor
(1) Remove the top panel, cabinet and service panel. (Refer to
1.)
(2) Disconnect the following connectors:
<Inverter P.C. board>
CN931 and CN932 (Fan motor)
Defrost thermistor
Photo 7
(3) Remove the propeller.
(4) Remove the screws fixing the fan motor.
(5) Remove the fan motor.
Screws
of the
outdoor
fan motor
6. Removing the compressor and 4-way valve
Photo 8
(1) Remove the top panel, cabinet and service panel. (Refer to
1.)
(2) Remove the back panel. (Refer to 1.)
(3) Remove the inverter assembly. (Refer to 2.)
(4) Recover gas from the refrigerant circuit.
NOTE: Recover gas from the pipes until the pressure gauge
shows 0 MPa.
(5) Detach the welded part of the suction and the discharge
pipe connected with compressor.
(6) Remove the compressor nuts.
(7) Remove the compressor.
(8) Detach the welded part of 4-way valve and pipe. (Photo 5.)
Welded part of the
discharge pipe
Discharge temperature
thermistor
Welded part of the
suction pipe
55
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HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
© Copyright 2008 MITSUBISHI ELECTRIC CO.,LTD
Distributed in Dec. 2008. No. OBH516 REVISED EDITION-A 5
Distributed in Aug. 2008. No. OBH516 6
Made in Japan
New publication, effective Dec. 2008
Specifications subject to change without notice.
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