Mitsubishi Electric MSC-GA20VB- E1 User manual

SPLIT-TYPE, AIR CONDITIONERS
SPLIT-TYPE, HEAT PUMPAIR CONDITIONERS
CONTENTS
1. TECHNICAL CHANGES ····································3
2. PART NAMES AND FUNCTIONS······················3
3. SPECIFICATION·················································5
4. NOISE CRITERIA CURVES·······························5
5. OUTLINES AND DIMENSIONS ·························6
6. WIRING DIAGRAM ············································7
7. REFRIGERANT SYSTEM DIAGRAM················8
8. SERVICE FUNCTIONS ······································8
9. TROUBLESHOOTING······································11
10. DISASSEMBLY INSTRUCTIONS·····················18
11. PARTS LIST······················································20
12. RoHS PARTS LIST···········································22
13. OPTIONAL PARTS ·························BACK PAGE
MSC-GA20VB -
MSC-GA25VB -
MSC-GA35VB -E1
E1
E1
SERVICE MANUAL
Wireless type
Models
INDOOR UNIT
NOTE:
This service manual describes technical data of the indoor units.
RoHS compliant products have <G> mark on the spec name plate.
For servicing of RoHS compliant products, refer to the RoHS PARTS LIST (RoHS compliant).
Outdoor unit service manual
MU-GA•VB Series (OB386)
MUH-GA•VB Series (OB387)
MUX-A•VB Series (OB384)
MXZ-A•WV Series (OB319)
No. OB385
REVISED EDITION-A
Revision A:
●RoHS PARTS LIST has been added.
Please void OB385.
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2
Revision A :
• RoHS PARTS LIST has been added.
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3
PART NAMES AND FUNCTIONS
2
MSC-GA20VB MSC-GA25VB MSC-GA35VB
Emergency operation switch
Fan
Catechin air filter
(With deodorizer)
Air outlet
Vertical vanes
Air inlet
to Breaker
Remote control
receiving section
Display section
Air cleaning filter(option)
(white bellows type) Front panel
Power supply cord
Panel
Horizontal vane
Operation section
(When the front panel is opened)
Remote controller
Operation indicator lamp
Remote control
receiving section
TECHNICAL CHANGES
1
MSC-A07YV - ➔ MSC-GA20VB -
1. Indication of capacity has been changed. (BTU base ➔ kW)
2. P.C. board has been changed.
3. Air cleaning filter has been changed to optional parts.
4. Fan motor has been changed.
5. Fan motor capacitor has been changed.
6. Color of indoor unit has been changed.
MSC-A09YV - ➔ MSC-GA25VB -
1. Indication of capacity has been changed. (BTU base ➔ kW)
2. P.C. board has been changed.
3. Air cleaning filter has been changed to optional parts.
4. Fan motor has been changed.
5. Fan motor capacitor has been changed.
6. Color of indoor unit has been changed.
MSC-A12YV - ➔ MSC-GA35VB -
1. Indication of capacity has been changed. (BTU base ➔ kW)
2. P.C. board has been changed.
3. Air cleaning filter has been changed to optional parts.
4. Fan motor has been changed.
5. Fan motor capacitor has been changed.
6. Color of indoor unit has been changed.
E1E1
E1E1
E1E1
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4
ACCESSORIES
MSC-GA20VB
MSC-GA25VB
MSC-GA35VB
Installation plate
Installation plate fixing screw 4 o25 mm
Remote controller holder
Fixing screw for 33.5 o16 mm
Battery (AAA) for remote controller
Wireless remote controller
Felt tape (Used for left or left-rear piping)
1
5
1
2
2
1
1
1
2
3
4
5
6
7
ON/OFF
FAN
TOO
WARM TOO COOL
VANE
MODE
ECONO COOL
STOP
START
HR.
MIN.
I FEEL COOL
DRY
PM
CLOCK
AM
RESET CLOCK
HEAT
/FAN
/
Open the front lid.
ON/OFF
TOO
COOL
PM
AM
TOO
WARM
Signal transmitting section
Operation display section
OPERATE /STOP
(ON /OFF) button
TEMPERATURE buttons
Indication of remote controller model is
on back.
OPERATION SELECT button
FAN SPEED CONTROL button OFF-TIMER button
HR. button
MIN. button
(TIME SET button)
ON-TIMER button
RESET button
ECONO COOL button
VANE CONTROL button
CLOCK SET button
REMOTE CONTROLLER
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5
SPECIFICATION
3
Indoor model
Function
Indoor unit power supply
Air flow(High/Med. /Low )
Power outlet
Running current
Power input
Power factor
Fan motor current
Model
Winding
resistance(at 20:)
Dimensions WOHOD
Weight
Air direction
Sound level(High/Med. /Low )
Fan speed(High/Med. /Low )
Fan speed regulator
Thermistor RT11(at 25:)
Thermistor RT12(at 25:)
Remote controller model
K/h
A
A
W
%
A
"
mm
kg
dB
rpm
k"
k"
MSC-GA20VB
Single phase
230V,50Hz
10
0.17
35
90
0.17
RC4V19-JA
WHT-BLK 283
BLK-RED 188
815O278O244
9
5
3
10
10
KP1A or KM04F
Cooling
474/372 /276
36/31 /25
900/750 /600
Heating
510/420 /342
36/31 /25
950/820 /700
MSC-GA25VB
Single phase
230V,50Hz
10
0.17
35
90
0.17
RC4V19-JA
WHT-BLK 283
BLK-RED 188
815O278O244
9
5
3
10
10
KP1A or KM04F
Cooling
474/384 /306
36/31 /25
900/770 /650
Heating
588/456 /342
39/32 /25
1,050/870 /700
MSC-GA35VB
Single phase
230V,50Hz
10
0.19
40
92
0.19
RC4V19-HA
WHT-BLK 224
BLK-RED 318
815O278O244
10
5
3
10
10
KP1A or KM04F
Cooling
582/444 /324
40/33 /26
930/760 /600
Heating
606/498 /396
39/33 /26
960/830 /700
Electrical data
Fan motor
Special remarks
Capacity
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NOTE: 1. Test conditions are based on ISO 5151.
Cooling : Indoor DB27°C WB19°C Heating : Indoor DB20°C
Outdoor DB35°C WB24°C Outdoor DB7°C WB6°C
Indoor-Outdoor piping length 5m
WReference value
NOISE CRITERIA CURVES
4
90
80
70
60
50
40
30
20
10 63 125 250 500 1000 2000 4000 8000
APPROXIMATE
TERESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
Test conditions,
Cooling : DB27:WB19:
Heating : DB20:WB -:
MSC-GA20VB COOLING
High
FUNCTIONFAN SPEED
36
HEATING
SPL(dB(A)) LINE
90
80
70
60
50
40
30
20
10 63 125 250 500 1000 2000 4000 8000
APPROXIMATE
TERESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.0002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
Test conditions.
Cooling : DB27:WB19:
Heating : DB20:WB -:
MSC-GA25VB COOLING
High
FUNCTIONFAN SPEED
36
HEATING 39
SPL(dB(A)) LINE
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