Mitsubishi MSZ-GE50VA-A1, MSZ-GE60VA-A1, MSZ-GE50VAD-A1, MSZ-GE25VAD-A1, MSZ-GE22VAD-A1 Service Manual
...
CONTENTS
1. TECHNICAL CHANGES ···································2
2. PART NAMES AND FUNCTIONS ····················· 3
3. SPECIFICATION ················································ 5
4. NOISE CRITERIA CURVES ······························ 9
5. OUTLINES AND DIMENSIONS ·······················11
6. WIRING DIAGRAM ·········································· 12
7. REFRIGERANT SYSTEM DIAGRAM ············· 14
8. SERVICE FUNCTIONS ··································· 15
9. MICROPROCESSOR CONTROL ···················17
10. TROUBLESHOOTING ····································· 25
11. DISASSEMBLY INSTRUCTIONS ···················· 45
SPLIT-TYPE AIR CONDITIONERS
SERVICE MANUAL
INDOOR UNIT
PARTS CATALOG (OBB531)
NOTE:
RoHS compliant products have <G> mark on the spec name plate.
Models
MSZ-GE22VA
-
A1
MSZ-GE50VA
-
A1
MSZ-GE22VAD
-
A1
MSZ-GE50VA2
-
A1
MSZ-GE25VA
-
A1
MSZ-GE50VAD
-
A1
MSZ-GE25VAD
-
A1
MSZ-GE60VA
-
A1
MSZ-GE33VA
-
A1
MSZ-GE60VAD
-
A1
MSZ-GE35VA
-
A1
MSZ-GE71VA
-
A1
MSZ-GE35VA2
-
A1
MSZ-GE71VAD
-
A1
MSZ-GE35VAD
-
A1
MSZ-GE80VA
-
A1
MSZ-GE42VA
-
A1
MSZ-GE80VA2
-
A1
MSZ-GE42VAD
-
A1
MSZ-GE80VAD
-
A1
No. OBH531
REVISED EDITION-E
Please void OBH531 REVISED EDITION-D.
MSZ-GE22VA
MSZ-GE22VAD
MSZ-GE25VA
MSZ-GE25VAD
MSZ-GE33VA
MSZ-GE35VA
MSZ-GE35VA2
MSZ-GE35VAD
MSZ-GE42VA
MSZ-GE42VAD
MSZ-GE50VA
MSZ-GE50VA2
MSZ-GE50VAD
Revision E:
• MSZ-GE22VAD-
A1
has been added.
Outdoor unit service manual
MUZ-GE·VA Series (OBH532)
MXZ-A·VA Series (OB447)
MXZ-8A140A (OC316)
MXZ-B•VA (OBH567)
2
MSZ-GE22V A -
A1
MSZ-GE25V A -
A1
MSZ-GE33V A -
A1
MSZ-GE35V A -
A1
MSZ-GE42V A -
A1
MSZ-GE50V A -
A1
MSZ-GE60V A -
A1
MSZ-GE71V A -
A1
MSZ-GE80V A -
A1
1. New model
TECHNICAL CHANGES
1
Revision A :
• MSZ-GE60VA-
A1
, MSZ-GE71VA-A1 and MSZ-GE80VA-A1 have been added.
Revision B :
• MSZ-GE33VA-
A1
and MSZ-GE42VA-A1 have been added.
Use the specified refrigerant only
Never use any refrigerant other than that specified.
Doing so may cause a burst, an explosion, or fire when the unit is being used, serviced, or disposed of.
Correct refrigerant is specified in the manuals and on the spec labels provided with our products.
We will not be held responsible for mechanical failure, system malfunction, unit breakdown or accidents caused by
failure to follow the instructions.
Revision C:
• MSZ-GE35VA2-
A1
, MSZ-GE50VA2-A1 and MSZ-GE80VA2-A1 have been added.
Revision D:
• MSZ-GE25VAD-
A1
, MSZ-GE35VAD-A1, MSZ-GE42VAD-A1, MSZ-GE50VAD-A1, MSZ-GE60VAD-A1, MSZ-GE71VAD-A1
and MSZ-GE80VAD-A1 have been added.
MSZ-GE35VA -
A1
MSZ-GE35VA2 -
A1
MSZ-GE50VA -
A1
MSZ-GE50VA2 -
A1
1. Indoor model name has been changed.
MSZ-GE80VA -
A1
MSZ-GE80VA2 -
A1
1. Indoor model name has been changed.
2. Indoor electronic control P.C. board has been changed.
MSZ-GE25VA -
A1
MSZ-GE25VAD -
A1
MSZ-GE35VA2 -
A1
MSZ-GE35VAD -
A1
MSZ-GE42VA -
A1
MSZ-GE42VAD -
A1
MSZ-GE50VA2 -
A1
MSZ-GE50VAD -
A1
1. Indoor electronic control P.C. board has been changed.
2. V.A clamp has been changed.
MSZ-GE60VA -
A1
MSZ-GE60VAD -
A1
MSZ-GE71VA -
A1
MSZ-GE71VAD -
A1
MSZ-GE80VA2 -
A1
MSZ-GE80VAD -
A1
1. Indoor electronic control P.C. board has been changed.
2. Fan guard has been added.
3. Fan operation has been added.
MSZ-GE22VA -
A1
MSZ-GE22VAD -
A1
1. Indoor electronic control P.C. board has been changed.
Revision E:
• MSZ-GE22VAD-
A1
has been added.
OBH531E
3
Remote controller
Operation indicator lamp
Remote control receiving section
Emergency operation switch (E.O. SW)
Horizontal vane
Display section
Vertical vane
Air outlet
Fan
Air filter
(Catechin air filter)
Air inlet
Heat exchanger
Front panel
Fan guard
Air cleaning filter
(Anti-Allergy Enzyme
Filter)
MSZ-GE22VA MSZ-GE22VAD MSZ-GE25VA MSZ-GE25VAD MSZ-GE33VA
MSZ-GE35VA MSZ-GE35VA2 MSZ-GE35VAD MSZ-GE42VA MSZ-GE42VAD
MSZ-GE50VA MSZ-GE50VA2 MSZ-GE50VAD
PART NAMES AND FUNCTIONS
2
MSZ-GE60VA MSZ-GE71VA MSZ-GE80VA MSZ-GE80VA2
Operation indicator lamp
Emergency operation switch (E.O. SW)
Horizontal vane
Vertical vane
Air outlet
Fan
Air fi lter
(Nano platinum fi lter)
Air inlet
Heat exchanger
Front panel
Air cleaning fi lter
(Electrostatic anti-allergy
enzyme fi lter)
Display section
Remote control receiving section
Remote controller
OBH531E
4
ACCESSORIES
Model
MSZ-GE22VA MSZ-GE35VA MSZ-GE50VA
MSZ-GE22VAD MSZ-GE35VA2 MSZ-GE50VA2
MSZ-GE25VA MSZ-GE35VAD MSZ-GE50VAD
MSZ-GE25VAD MSZ-GE42VA
MSZ-GE33VA MSZ-GE42VAD
MSZ-GE60VA MSZ-GE80VA
MSZ-GE60VAD MSZ-GE80VA2
MSZ-GE71VA MSZ-GE80VAD
MSZ-GE71VAD
Installation plate 1 1
Installation plate fi xing screw 4 × 25 mm 5 7
Remote controller holder 1 1
Fixing screw for 3.5 × 16 mm (Black) 2 2
Battery (AAA) for remote controller 2 2
Wireless remote controller 1 1
Felt tape (For left or left-rear piping) 1 1
Air cleaning fi lter 2 2
MSZ-GE60VAD MSZ-GE71VAD MSZ-GE80VAD
Operation indicator lamp
Emergency operation switch (E.O. SW)
Horizontal vane
Vertical vane
Air outlet
Fan
Air fi lter
(Nano platinum fi lter)
Air inlet
Heat exchanger
Front panel
Air cleaning fi lter
(Electrostatic anti-allergy
enzyme fi lter)
Display section
Remote control receiving section
Remote controller
Fan guard
OBH531E
5
Indoor model
MSZ-
GE22VA
MSZ-
GE22VAD
MSZ-
GE25VA
MSZ-
GE25VAD
MSZ-
GE33VA
MSZ-
GE35VA
MSZ-
GE35VA2
MSZ-
GE35VAD
Power supply Single phase 230 V, 50 Hz
Electrical
data
Power input
1
Cooling
W
22 29
Heating 23
Running
current
1
Cooling
A
0.22 0.29
Heating 0.23
Fan
motor
Model RC0J40-FK
Current 1
Cooling
A
0.22 0.29
Heating 0.23
Dimensions W × H × D mm 798 × 295 × 232
Weight kg 10
Special remarks
Air direction 5
Airfl ow
Cooling
Super High
-
+ LONG + POWERFUL
Super High
m
3
/h
678 762
High 546
Med. 402
Low 288
Quiet 246
Heating
Super High
-
+ LONG + POWERFUL
Super High
m
3
/h
690
High 546
(420
2)
Med. 402
(354
2)
Low 288
Quiet 246
Sound level
Cooling
Super High
-
+ LONG + POWERFUL
Super High
dB (A)
42 43
High 36
Med. 29 30
Low 21 22
Quiet 19
Heating
Super High
-
+ LONG + POWERFUL
Super High
dB (A)
42 43
High 36
Med. 29 30
Low 21 22
Quiet 19
Fan speed
Cooling
Super High
-
+ LONG + POWERFUL
Super High
rpm
1,020 1,120
High 860
Med. 670
Low 530
Quiet 470
Heating
Super High
-
+ LONG + POWERFUL
Super High
rpm
1,040
High
860 (700
2)
Med.
670 (610 2)
Low 530
Quiet 470
Fan speed regulator 5
Remote controller model KM09A
NOTE: Test conditions are based on AS/NZS 3823.1.1.
Cooling: Indoor Dry-bulb temperature 27°C Wet-bulb temperature 19°C
Outdoor Dry-bulb temperature 35°C Wet-bulb temperature (24°C)
Heating: Indoor Dry-bulb temperature 20°C Wet-bulb temperature 15.5°C
Outdoor Dry-bulb temperature 7°C Wet-bulb temperature 6°C
1 Measured under rated operating frequency. 2 For multi system.
SPECIFICATION
3
OBH531E
6
Indoor model MSZ-GE42VA MSZ-GE42VAD MSZ-GE50VA MSZ-GE50VA2 MSZ-GE50VAD
Power supply Single phase 230 V, 50 Hz
Electrical
data
Power input
1
Cooling
W
29 43
Heating 30 39
Running
current
1
Cooling
A
0.29 0.39
Heating 0.31 0.36
Fan
motor
Model RC0J40-FK
Current 1
Cooling
A
0.29 0.39
Heating 0.31 0.36
Dimensions W × H × D mm 798 × 295 × 232
Weight kg 10
Special remarks
Air direction 5
Airfl ow
Cooling
Super High
-
+ LONG + POWERFUL
Super High
m
3
/h
768 906
High 624 714
Med. 516 576
Low 408 468
Quiet 348
390(420 2)
Heating
Super High
-
+ LONG + POWERFUL
Super High
m
3
/h
786 870
High 624 732
(612
2)
Med. 516 576
(540
2)
Low 420 468
Quiet 348 390
Sound level
Cooling
Super High
-
+ LONG + POWERFUL
Super High
dB (A)
46 49
High 40 44
Med. 35 38
Low 30 33
Quiet 26 28
Heating
Super High
-
+ LONG + POWERFUL
Super High
dB (A)
46 48
High 40 43
Med. 35 37
Low 30 33
Quiet 26 28
Fan speed
Cooling
Super High
-
+ LONG + POWERFUL
Super High
rpm
1,120 1,280
High 950 1,060
Med. 810 890
Low 680 750
Quiet 600
650 (690
2)
Heating
Super High
-
+ LONG + POWERFUL
Super High
rpm
1,140 1,240
High
950 (930
2) 1,080(930 2)
Med. 810
890 (840 2)
Low 690 750
Quiet 600 650
Fan speed regulator 5
Remote controller model KM09A
NOTE: Test conditions are based on AS/NZS 3823.1.1.
Cooling: Indoor Dry-bulb temperature 27°C Wet-bulb temperature 19°C
Outdoor Dry-bulb temperature 35°C Wet-bulb temperature (24°C)
Heating: Indoor Dry-bulb temperature 20°C Wet-bulb temperature 15.5°C
Outdoor Dry-bulb temperature 7°C Wet-bulb temperature 6°C
1 Measured under rated operating frequency. 2 For multi system.
OBH531E
7
Indoor model
MSZ-
GE60VA
MSZ-
GE60VAD
MSZ-
GE71VA
MSZ-
GE71VAD
MSZ-
GE80VA
MSZ-
GE80VA2
MSZ-
GE80VAD
Power supply Single phase 230 V, 50 Hz
Electrical
data
Power input
1
Cooling
W
39 48 65 58 65 58
Heating 61 62 65 58 65 58
Running
current
1
Cooling
A
0.34 0.43 0.55 0.51 0.55 0.51
Heating 0.52 0.53 0.55 0.51 0.55 0.51
Fan
motor
Model RC0J56-AF
Current 1
Cooling
A
0.34 0.43 0.55 0.51 0.55 0.51
Heating 0.52 0.53 0.55 0.51 0.55 0.51
Dimensions W × H × D mm 1,100 × 325 × 238
Weight kg 16
Special remarks
Air direction 5
Airfl ow
Cooling
Super High
1,236 1,200 1,338 1,254 1,338 1,254
+ LONG + POWERFUL
Super High
m
3
/h
1,098 1,074 1,068 1,074 1,068
High 942 936 924
Med. 810 804 798
Low 684 678 690
Quiet 588 582
Heating
Super High
1,236 1,338 1,338 1,254 1,338 1,254
+ LONG + POWERFUL
Super High
m
3
/h
1,098 1,074 1,068 1,074 1,068
High
942(882
2)
936 924
Med. 810 804 798
Low 684 678 690
Quiet 588 612
Sound level
Cooling
Super High
52 53
+ LONG + POWERFUL
Super High
dB (A)
49
High 45
Med. 41
Low 37
Quiet 29 30
Heating
Super High
52
+ LONG + POWERFUL
Super High
dB (A)
49
High 45
Med. 41
Low 37
Quiet 29 30
Fan speed
Cooling
Super High
1,260 1,280 1,330 1,300 1,330 1,300
+ LONG + POWERFUL
Super High
rpm
1,070 1,090 1,110 1,140 1,110 1,140
High 940 960 980 1,010 980 1,010
Med. 830 850 870 900 870 900
Low 720 740 780 800 780 800
Quiet 640 660 680 700 680 700
Heating
Super High
1,260 1,280 1,330 1,300 1,330 1,300
+ LONG + POWERFUL
Super High
rpm
1,070 1,090 1,110 1,140 1,110 1,140
High
940(890 2)
960 980 1,010 980 1,010
Med. 830 850 870 900 870 900
Low 720 740 780 800 780 800
Quiet 640 660 710 730 710 730
Fan speed regulator 5
Remote controller model SG10A SG12D SG10A SG12D SG10A SG12D
NOTE: Test conditions are based on AS/NZS 3823.1.1.
Cooling: Indoor Dry-bulb temperature 27°C Wet-bulb temperature 19°C
Outdoor Dry-bulb temperature 35°C Wet-bulb temperature (24°C)
Heating: Indoor Dry-bulb temperature 20°C Wet-bulb temperature 15.5°C
Outdoor Dry-bulb temperature 7°C Wet-bulb temperature 6°C
1 Measured under rated operating frequency. 2 For multi system.
OBH531E
8
Specifications and rated conditions of main electric parts
Fuse (F11)
T3.15AL250V
Horizontal vane motor (MV), (MV1) 12 VDC
Vertical vane motor
MSZ-GE60VA MSZ-GE71VA
MSZ-GE60VAD MSZ-GE70VAD
MSZ-GE80VA MSZ-GE80VA2
MSZ-GE80VAD
(MV2) 12 VDC
Varistor (NR11)
S10K300E2K1 [ERZV10D471(MSZ-GE22/25/33/35/42/50),ERZV14D471(MSZ-GE60/71/80)]
Terminal block (TB)
3P
OBH531E
9
MSZ-GE22VA MSZ-GE22VAD
MSZ-GE25VA MSZ-GE25VAD
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, 0 dB = 20μPa
BAND CENTER FREQUENCIES, Hz
COOLING
FUNCTION
SPL(dB(A))
LINE
Super High
FAN SPEED
HEATING
43
43
NC-10
MSZ-GE33VA MSZ-GE35VA
MSZ-GE35VA2 MSZ-GE35VAD
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, 0 dB = 20μPa
BAND CENTER FREQUENCIES, Hz
COOLING
FUNCTION
SPL(dB(A))
LINE
Super High
FAN SPEED
HEATING
42
42
NC-10
NOISE CRITERIA CURVES
4
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, 0 dB = 20μPa
BAND CENTER FREQUENCIES, Hz
COOLING
FUNCTION
SPL(dB(A))
LINE
Super High
FAN SPEED
HEATING
49
48
NC-10
MSZ-GE50VA MSZ-GE50VA2
MSZ-GE50VAD
MSZ-GE42VA MSZ-GE42VAD
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, 0dB=20μPa
BAND CENTER FREQUENCIES, Hz
COOLING
FUNCTION
SPL(dB(A))
LINE
Super High
FAN SPEED
HEATING
46
46
NC-10
OBH531E
10
Test conditions
Cooling: Dry-bulb temperature 27°C
Wet-bulb temperature 19°C
Heating: Dry-bulb temperature 20°C
Wet-bulb temperature 15.5°C
INDOOR UNIT
WALL
MICROPHONE
0.8m
1m
MSZ-GE60VA MSZ-GE60VAD MSZ-GE71VA MSZ-GE71VAD
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
BAND CENTER FREQUENCIES, Hz
COOLING
FUNCTION
SPL(dB(A))
LINE
Super High
FAN SPEED
HEATING
49
49
NC-10
OCTAVE BAND SOUND PRESSURE LEVEL, 0 dB = 20μPa
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
BAND CENTER FREQUENCIES, Hz
COOLING
FUNCTION
SPL(dB(A))
LINE
Super High
FAN SPEED
HEATING
49
49
NC-10
OCTAVE BAND SOUND PRESSURE LEVEL, 0 dB = 20μPa
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
BAND CENTER FREQUENCIES, Hz
COOLING
FUNCTION
SPL(dB(A))
LINE
Super High
FAN SPEED
HEATING
49
49
NC-10
OCTAVE BAND SOUND PRESSURE LEVEL, 0 dB = 20μPa
MSZ-GE80VA MSZ-GE80VA2
MSZ-GE80VAD
OBH531E
11
MSZ-GE22VA MSZ-GE22VAD MSZ-GE25VA MSZ-GE25VAD MSZ-GE33VA
MSZ-GE35VA MSZ-GE35VA2 MSZ-GE35VAD MSZ-GE42VA MSZ-GE42VAD
MSZ-GE50VA MSZ-GE50VA2 MSZ-GE50VAD
Unit: mm
211.5
231.5
253
21.5
155 155
80
80
225 225
3
19
159
58
5
232
56
69
798
785 6.5
13061950
295
50
42
56
43
42
8
100
107
112
45
56
69
33861
212.5
254
41
42
315 84
11×26 Oblong hole
11×20 Oblong hole
Installation plate
Indoor unit
Wall hole ø65
Air in
Air out
Installation plate
Piping
Drain hose
Piping
Insulation ø35 O.D
Liquid line ø6.35 - 0.5 m (Flared connection ø6.35)
Gas line ø9.52 - 0.43 m
(Flared connection: ø9.52 (22/25/33/35/42), ø12.7 (50))
Drain hose Insulation ø28 O.D Connected part ø16 O.D
OUTLINES AND DIMENSIONS
5
1090 5
110 0
45 238.5
258.5
3
280
225 225
129
239.5
281
44
49.5 500.5 439.5
199.5199.5
65
63
76 843 181
65
65
30
63
60
193
18
65
67
63
325
3
100
125
160
110
(
70°
)
238
5
210
21.5
184
12
110.5
Piping
Insulation Ø50 O.D
Liquid line
Ø9.52 - 0.5m (Flared connection Ø9.52)
Gas line
Ø12 - 0.43m (Flared connection Ø15.88)
Drain hose Insulation
Ø28 Connected part Ø16 O.D
Piping
Insulation Ø50 O.D
Liquid line
Ø9.52 - 0.5m (Flared connection Ø6.35)
Gas line
Ø12 - 0.43m (Flared connection Ø15.88)
Drain hose Insulation
Ø28 Connected part Ø16 O.D
Air out
Piping
Drain hose
11×26 Oblong hole
11×20 Oblong hole
Installation plate
Indoor unit
Wall hole
Ø
75
Air in
Installation plate
MSZ-GE60
MSZ-GE71 MSZ-GE80
MSZ-GE60VA MSZ-GE60VAD MSZ-GE71VA MSZ-GE71VAD
MSZ-GE80VA MSZ-GE80VA2 MSZ-GE80VAD
OBH531E
12
MSZ-GE22VA MSZ-GE25VA MSZ-GE33VA MSZ-GE35VA MSZ-GE35VA2
WIRING DIAGRAM
6
MSZ-GE42VA MSZ-GE50VA MSZ-GE50VA2
MSZ-GE22VAD MSZ-GE25VAD MSZ-GE35VAD
OBH531E
13
MSZ-GE60VA MSZ-GE71VA MSZ-GE80VA MSZ-GE80VA2
MSZ-GE42VAD MSZ-GE50VAD
MSZ-GE60VAD MSZ-GE71VAD MSZ-GE80VAD
OBH531E
14
MSZ-GE22VA MSZ-GE22VAD MSZ-GE25VA MSZ-GE25VAD MSZ-GE33VA
MSZ-GE35VA MSZ-GE35VA2 MSZ-GE35VAD MSZ-GE42VA MSZ-GE42VAD
MSZ-GE50VA MSZ-GE50VA2 MSZ-GE50VAD
MSZ-GE60VA MSZ-GE60VAD MSZ-GE71VA MSZ-GE71VAD
MSZ-GE80VA MSZ-GE80VA2 MSZ-GE80VAD
Indoor
heat
exchanger
Flared connection
Room temperature
thermistor
RT11
Flared connection
Refrigerant pipe ø9.52 (
MSZ-
GE22/25/33/35/42)
ø12.7 (
MSZ-
GE50)
(with heat insulator)
Refrigerant pipe ø6.35
(with heat insulator)
Indoor coil
thermistor
RT12 (main)
Indoor coil
thermistor
RT13 (sub)
Refrigerant flow in cooling
Refrigerant flow in heating
Unit: mm
REFRIGERANT SYSTEM DIAGRAM
7
Indoor
heat
exchanger
Flared connection
Room temperature
thermistor
RT11
Flared connection
Refrigerant pipe ø15.88
(with heat insulator)
Refrigerant pipe ø6.35 (MSZ-GE60)
ø9.52 (MSZ-GE71/80)
(with heat insulator)
Indoor coil
thermistor
RT12 (main)
Indoor coil
thermistor
RT13 (sub)
Refrigerant flow in cooling
Refrigerant flow in heating
OBH531E
15
8-1. TIMER SHORT MODE
For service, the following set time can be shortened by bridging JPG and JPS on the electronic control P.C. board. (Refer
to 10-7.2,3.)
Set time: 3 minutes → 3 seconds (It takes 3 minutes for the compressor to start operation. However, the starting time is
shortened by bridging JPG and JPS.)
8-2. P.C. BOARD MODIFICATION FOR INDIVIDUAL OPERATION
A maximum of 4 indoor units with wireless remote controllers can be used in a room.
In this case, to operate each indoor unit individually by each remote controller, P.C. boards of remote controller must be
modified according to the number of the indoor unit.
How to modify the remote controller P.C. board
Remove batteries before modification.
The board has a print as shown below:
NOTE: For modification, take out
the batteries and press the
OPERATE/STOP (ON/OFF)
button 2 or 3 times at first.
After modification, put back
the batteries then press the
RESET button.
J1
Table 1
1 unit operation 2 units operation 3 units operation 4 units operation
No. 1 unit No modifi cation Same as at left Same as at left Same as at left
No. 2 unit — Solder J1 Same as at left Same as at left
No. 3 unit — — Solder J2 Same as at left
No. 4 unit — — — Solder both J1 and J2
How to set the remote controller exclusively for particular indoor unit
After you turn the breaker ON, the first remote controller that sends the signal to the indoor unit will be regarded as the remote
controller for the indoor unit.
The indoor unit will only accept the signal from the remote controller that has been assigned to the indoor unit once they are set.
The setting will be cancelled if the breaker is turned OFF, or the power supply is shut down.
Please conduct the above setting once again after the power has restored.
SERVICE FUNCTIONS
8
MSZ-GE22VA MSZ-GE22VAD MSZ-GE25VA MSZ-GE25VAD MSZ-GE33VA
MSZ-GE35VA MSZ-GE35VA2 MSZ-GE35VAD MSZ-GE42VA MSZ-GE42VAD
MSZ-GE50VA MSZ-GE50VA2 MSZ-GE50VAD
J2
The P.C. board has the print “J1” and “J2”. Solder “J1” and “J2” according to the number of indoor unit as shown in Table 1.
After modification, press the RESET button.
J1
J2
MSZ-GE22VA MSZ-GE22VAD MSZ-GE25VA MSZ-GE25VAD MSZ-GE33VA
MSZ-GE35VA MSZ-GE35VA2 MSZ-GE35VAD MSZ-GE42VA MSZ-GE42VAD
MSZ-GE50VA MSZ-GE50VA2 MSZ-GE50VAD MSZ-GE60VA MSZ-GE60VAD
MSZ-GE71VA MSZ-GE71VAD MSZ-GE80VA MSZ-GE80VA2 MSZ-GE80VAD
MSZ-GE60VA MSZ-GE60VAD MSZ-GE71VA MSZ-GE71VAD
MSZ-GE80VA MSZ-GE80VA2 MSZ-GE80VAD
OBH531E
16
8-3. AUTO RESTART FUNCTION
When the indoor unit is controlled with the remote controller, the operation mode, the set temperature, and the fan speed
are memorized by the indoor electronic control P.C. board. “AUTO RESTART FUNCTION” automatically starts operation in
the same mode just before the shutoff of the main power.
Operation
If the main power has been cut, the operation settings remain.
After the power is restored, the unit restarts automatically according to the memory.
(However, it takes at least 3 minutes for the compressor to start running.)
How to disable “AUTO RESTART FUNCTION”
Turn off the main power for the unit.
Solder the jumper wire to JR07 on the indoor electronic control P.C. board. (Refer to 10-7.3.)
(MSZ-GE22/25/33/35/42/50/60/71/80VA, MSZ-GE35/50/82VA2, MSZ-GE22/25/35/42/50VAD)
Cut the jumper wire to JR77 on the indoor electronic control P.C. board. (Refer to 10-7.3.)
(MSZ-GE60/71/80VAD)
CN 111CN112CN151CN10A
Indoor electronic
control P.C. board
JR07
NOTE:
• The operation settings are memorized when 10 seconds have passed after the indoor unit was operated with the remote
controller.
• If main power is turned OFF or a power failure occurs while AUTO START/STOP timer is active, the timer setting is can-
celled.
• If the unit has been off with the remote controller before power failure, the auto restart function does not work as the
power button of the remote controller is OFF.
• To prevent breaker OFF due to the rush of starting current, systematize other home appliance not to turn ON at the same
time.
• When some air conditioners are connected to the same supply system, if they are operated before power failure, the
starting current of all the compressors may flow simultaneously at restart.
Therefore, the special counter-measures are required to prevent the main voltage-drop or the rush of the starting current
by adding to the system that allows the units to start one by one.
MSZ-GE22VA MSZ-GE22VAD
MSZ-GE25VA MSZ-GE25VAD
MSZ-GE33VA
MSZ-GE35VA MSZ-GE35VA2 MSZ-GE35VAD
MSZ-GE42VA MSZ-GE42VAD
MSZ-GE50VA MSZ-GE50VA2 MSZ-GE50VAD
CN 111
CN112
CN152
CN10A
Indoor electronic
control P.C. board
JR07
CN151
MSZ-GE60VA
MSZ-GE71VA
MSZ-GE80VA MSZ-GE80VA2
CN 111
CN112
CN152
CN10A
Indoor electronic
control P.C. board
JR77
CN151
MSZ-GE60VAD
MSZ-GE71VAD
MSZ-GE80VAD
OBH531E
17
WIRELESS REMOTE CONTROLLER
ON TIMER button
CLOCK SET button
TIME SET buttons
FORWARD button
BACKWARD button
OFF TIMER button
RESET button
i save button
VANE CONTROL button
Signal transmitting section
Operation display section
Temperature buttons
OPERATE/STOP
(ON/OFF) button
FAN SPEED CONTROL button
OPERATION SELECT button
ECONO COOL button
Indication of
remote controller
model is on back
NOTE: Last setting will be stored after the unit is turned OFF with the remote controller. Indoor unit receives the signal of the
remote controller with beeps.
MICROPROCESSOR CONTROL
9
MSZ-GE22VA MSZ-GE22VAD MSZ-GE25VA MSZ-GE25VAD MSZ-GE33VA
MSZ-GE35VA MSZ-GE35VA2 MSZ-GE35VAD MSZ-GE42VA MSZ-GE42VAD
MSZ-GE50VA MSZ-GE50VA2 MSZ-GE50VAD
MSZ-GE60VA MSZ-GE71VA MSZ-GE80VA MSZ-GE80VA2
Signal transmitting section
Operation display section
Temperature buttons
OPERATE/STOP
(ON/OFF) button
Indication of
remote controller
model is on back
FAN SPEED CONTROL button
OPERATION SELECT button
ECONO COOL button
POWERFUL button
CLOCK SET button
WIDE VANE CONTROL button
LONG button
WEEKLY TIMER
set button
TIME, TIMER set buttons
FORWARD button
BACKWARD button
RESET button
i save button
VANE CONTROL button
MSZ-GE22VA MSZ-GE22VAD MSZ-GE25VA MSZ-GE25VAD MSZ-GE33VA
MSZ-GE35VA MSZ-GE35VA2 MSZ-GE35VAD MSZ-GE42VA MSZ-GE42VAD
MSZ-GE50VA MSZ-GE50VA2 MSZ-GE50VAD MSZ-GE60VA MSZ-GE60VAD
MSZ-GE71VA MSZ-GE71VAD MSZ-GE80VA MSZ-GE80VA2 MSZ-GE80VAD
OBH531E
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