Mitsubishi Electric MSC-07RV User manual

SERVICE MANUAL
SPLIT-TYPE,AIR CONDITIONERS
SPLIT-TYPE,HEAT PUMP AIR CONDITIONERS
CONTENTS
1. TECHNICAL CHANGES ····································2
2. PART NAMES AND FUNCTIONS······················2
3. PARTS LIST ·······················································3
Wireless type
Models
MSC-07RV - (WH) · MU-07RV -
MSC-09RV - (WH) · MU-09RV -
MSC-12RV - (WH) · MU-12RV -
MSC-07RV - (WH) · MUH-07RV -
MSC-09RV - (WH) · MUH-09RV -
MSC-12RV - (WH) · MUH-12RV -
Multi system type
MSC-07RV - (WH) · MUX-10RV -
MSC-09RV - (WH) · MUX-18RV -
MSC-12RV - (WH) · MUX-24RV -
Inverter controlled multi system type
· MXZ-18RV -
E2
E2E2
E2E2
E2E2
E2E2
E2E2
E2E2
E2E2
E2E2
E2E2
No. OB252
MSC-07RV -
MSC-09RV -
MSC-12RV - E2
E2
E2
NOTE: This service Manual covers only change points.
(MSC-07/09/12RV- ➔MSC-07/09/12RV- )
(MU-07/09/12RV- ➔MU-07/09/12RV- )
(MUH-07/09/12RV- ➔MUH-07/09/12RV- )
(MUX-10/18/24RV- ➔MUX-10/18/24RV- )
(MXZ-18RV- ➔MXZ-18RV- )
Please refer to the Service Manual OB227 REVISED EDITION-B
for unchanged contents.
E2E1
E2E1
E2E1
E2E1
E2E1
OB252.qxp 3/3/00 3:24 PM Page 1

OB252.qxp 3/3/00 3:24 PM Page 2

3
TECHNICAL CHANGES
1
MUH-07RV -
MUH-09RV -
MUH-12RV -
MUX-10RV -
MUX-18RV -
MUX-24RV -
MXZ-18RV - E1
E1
E1
E1
E1
E1
E1 MUH-07RV -
MUH-09RV -
MUH-12RV -
MUX-10RV -
MUX-18RV -
MUX-24RV -
MXZ-18RV - E2
E2
E2
E2
E2
E2
E2
MSC-07RV -
MSC-09RV -
MSC-12RV - E1
E1
E1 MSC-07RV -
MSC-09RV -
MSC-12RV - E2
E2
E2
• Indoor electronic control P.C. board has changed.
• COOL ONLY / COOL & HEAT two-way remote controller is provided in the indoor unit accessory.
• Remote controller is unprovided in the outdoor unit accessory.
COOL ONLY REMOTE CONTROLLER Two-way REMOTE CONTROLLER
COOL&HEAT REMOTE CONTROLLER Two-way REMOTE CONTROLLER
•Both of COOL ONLY and COOL & HEAT remote controller are unified into a two-way remote controller.
• FAN mode operation is available in COOL ONLY unit. In this case the set room temperature
will be displayed on the remote controller, however, the room temperature can not be controlled by remote controller button.
HEAT operation is available in only HEAT & COOL type unit.
COOL ONLY COOL
& HEAT TWO-WAY
REMOTE CONTROLLER
Model
MS-07/09/12RV- E1
MSH-07/09/12RV- E1
MS-07/09/12RV- E2
MSH-07/09/12RV- E2
✕✕
✕
✕
w
wWhen HEAT mode is selected by
the remote controller of COOL & HEAT
type, the unit will operate in FAN mode.
Reference
MU-07RV -
MU-09RV -
MU-12RV - E1
E1
E1 MU-07RV -
MU-09RV -
MU-12RV - E2
E2
E2
• Contactor(52C) has changed.
• Remote controller is unprovided in the outdoor unit accessory.
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4
2
MSC-07RV -
MSC-09RV -
MSC-12RV - E2
E2
E2
Signal transmitting section
Operation display section
OPERATE /STOP
(ON /OFF)button
OPERATION SELECT button
FAN SPEED CONTROL button
ON-TIMER button
CLOCK SET button
HR. button
MIN. button
(TIME SET button)
TEMPERATURE buttons
VANE CONTROL button
OFF-TIMER button
RESET button
ON/OFF TOO
WARM TOO
COOL
HR. MIN.
CLOCK
RESET
CLOCK
MODE
FAN VANE
START STOP
ECONO COOL button ECONO COOL
I FEEL COOL DRY
HEAT/FAN
600 1 100
AM PM
PART NAMES AND FUNCTIONS
OB252.qxp 3/3/00 3:24 PM Page 4

5
1
2
3
4
5
6
7
8
9
10
11
12
E02 424 000
E02 424 010
E02 408 100
E02 410 100
E02 409 234
E02 411 234
E02 409 976
E02 409 975
E02 408 970
E02 409 067
E02 408 142
E02 424 020
FRONT PANEL(WH)
GRILLE(WH)
AIR FILTER
AIR FILTER
BOX(WH)
BOX(WH)
CORNER BOX (LEFT)
CORNER BOX (RIGHT)
INSTALLATION PLATE
SCREW CAP(WH)
CATCH
DECORATION COVER
AIR CLEANING FILTER
DEODORIZING FILTER
Symbol
in Wiring
Diagram
Q'ty/unit
1
1
2
1
1
1
1
2
3
1
1
1
1
1
2
1
1
1
1
2
3
1
1
1
2PCS/SET
3PCS/SET
MAC-1300FT
MAC-1800DF
Remarks
Part No.
No.
Part Name MSC-07RV
-
(WH)
E1 MSC-12RV
-
(WH)
E1
MSC-09RV
-
(WH)
E1
1
1
2
1
1
1
1
2
3
1
1
1
1
1
2
1
1
1
1
2
3
1
1
1
1
1
2
1
1
1
1
2
3
1
1
1
1
1
2
1
1
1
1
2
3
1
1
1
-
(WH)
E2 -
(WH)
E2 -
(WH)
E2
11 OPTIONAL
PARTS
4 (W)
6
1
5
2
MSC-07RV - (WH) MSC-07RV - (WH)
MSC-09RV - (WH) MSC-09RV - (WH)
MSC-12RV - (WH) MSC-12RV - (WH)
E2E1
E2E1
E2E1
8
7
3-2. ACCESSORY PART
E02 141 083
E02 504 426
13
14
REMOTE CONTROLLER HOLDER
REMOTE CONTROLLER 11
11
11
1
1
1
3-1. INDOOR UNIT STRUCTURAL PARTS
3-1.INDOOR UNIT STRUCTURAL PARTS
93 (W)
13
3-2. ACCESSORY PART
3 PARTS LIST
10
(W)These figures show about MSC-12RV.
14
12 OPTIONAL
PARTS
OB252.qxp 3/3/00 3:43 PM Page 5

6
Symbol
in Wiring
Diagram Remarks
Part No.
No. Part Name
E02 409 235
E02 409 040
E02 409 041
E02 408 702
E02 001 504
E02 408 303
E02 151 300
E02 151 505
E02 408 302
E02 408 509
E02 408 308
E02 408 307
E02 424 375
E02 424 452
E02 504 452
E02 425 452
E02 505 452
E02 426 452
E02 506 452
E02 424 395
E02 408 034
E02 127 382
E02 336 385
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
NOZZLE (WH)
VANE UPPER (WH)
VANE LOWER (WH)
DRAIN HOSE
SLEEVE BEARING
VANE MOTOR
INDOOR FAN MOTOR
FAN MOTOR RUBBER MOUNT
LINE FLOW FAN
BEARING MOUNT
ROOM TEMPERATURE THERMISTOR
INDOOR COIL THERMISTOR
TERMINAL BLOCK
ELECTRONIC CONTROL P.C.BOARD
ELECTRONIC CONTROL P.C.BOARD
ELECTRONIC CONTROL P.C.BOARD
ELECTRONIC CONTROL P.C.BOARD
ELECTRONIC CONTROL P.C.BOARD
ELECTRONIC CONTROL P.C.BOARD
POWER SUPPLY CORD
VANE MOTOR SUPPORT SET
FUSE
VARISTOR
RC4V19-
2PCS/SET
AUTO RESTART
AUTO RESTART
AUTO RESTART
AUTO RESTART
AUTO RESTART
AUTO RESTART
3.15A
MV
MF
RT11
RT12
TB
F11
NR11
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
Q'ty/unit
MSC-07RV
-
(WH)
E1 MSC-12RV
-
(WH)
E1
MSC-09RV
-
(WH)
E1
-
(WH)
E2 -
(WH)
E2 -
(WH)
E2
3-3. INDOOR UNIT ELECTRICAL PARTS
19 (W)
20
21
E02 408 620
E02 410 620
E02 515 620
E02 151 666
E02 155 666
E02 151 667
19
20
21
INDOOR HEAT EXCHANGER
INDOOR HEAT EXCHANGER
INDOOR HEAT EXCHANGER
UNION(GAS)
UNION(GAS)
UNION(LIQUID)
1
1
1
{9.52
{12.7
{6.35
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
14
11
2
4
3
6
8
1
9
7
10 12
13
15
17 16
18
3-4. INDOOR UNIT HEAT EXCHANGER
3-3. INDOOR UNIT ELECTRICAL PARTS
3-4. INDOOR UNIT HEAT EXCHANGER
MSC-07RV - (WH) MSC-07RV - (WH)
MSC-09RV - (WH) MSC-09RV - (WH)
MSC-12RV - (WH) MSC-12RV - (WH)
E2E1
E2E1
E2E1
SLEEVE
BEARING
ROOM TEMPERATURE
THERMISTOR
FUSE VARISTOR
5
(W)These figures show about MSC-12RV.
OB252.qxp 3/3/00 3:24 PM Page 6

7
No. Part No. Part name Remarks
Symbol
in Wiring
Diagram
Q'ty/unit
1
2
3
4
5
6
7
8
9
10
11
12
13
E02 336 232
E02 336 297
E02 336 521
E02 336 245
E02 437 900
E02 438 900
E02 141 900
E02 336 630
E02 339 936
E02 412 936
E02 339 662
E02 339 661
E02 340 661
E02 339 290
E02 340 290
E02 336 515
E02 336 506
E02 075 506
E02 339 233
CABINET
TOP PANEL
GRILLE(OUT)
SERVICE PANEL
COMPRESSOR
COMPRESSOR
COMPRESSOR
OUTDOOR HEAT EXCHANGER
CAPILLARY TUBE
CAPILLARY TUBE
STOP VALVE(LIQUID)
STOP VALVE(GAS)
STOP VALVE(GAS)
BASE
BASE
MOTOR SUPPORT
COMPRESSOR RUBBER SET
COMPRESSOR RUBBER SET
BACK PANEL
RH-135VGCT
RH-145VGCT
RH-231VHAT
{3.0x{1.4x600
{3.0x{1.6x600
{6.35
{9.52
{12.7
3RUBBERS/SET
3RUBBERS/SET
1
1
1
1
1
1
1
1
1
1
1
3
1
MC
MC
MC
MU-12RVMU-07RV MU-09RV
1
1
1
1
1
1
1
1
1
1
1
3
1
1
1
1
1
1
1
1
1
1
1
1
3
1
1
1
1
1
1
1
1
1
1
1
1
3
1
1
1
1
1
1
1
1
1
1
1
1
3
1
1
1
1
1
1
1
1
1
1
1
1
3
1
-
E1
-
E2
-
E1
-
E2
-
E1
-
E2
2
3
510 912
1
8
11
6
413
Part number that is circled is not shown in the illustration.
3-5. OUTDOOR UNIT STRUCTURAL PARTS
MU-07RV - MU-07RV -
MU-09RV - MU-09RV -
MU-12RV - MU-12RV - E2E1
E2E1
E2E1
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8
No. Part No. Part name Remarks
Symbol
in Wiring
Diagram
1
2
3
4
5
6
7
8
9
E02 336 501
E02 437 301
E02 439 301
E02 085 353
E02 079 353
E02 437 374
E02 438 374
E02 095 350
E02 001 340
E02 466 340
E02 095 382
E02 128 383
PROPELLER FAN
OUTDOOR FAN MOTOR
OUTDOOR FAN MOTOR
COMPRESSOR CAPACITOR
COMPRESSOR CAPACITOR
TERMINAL BLOCK
TERMINAL BLOCK
OUTDOOR FAN CAPACITOR
CONTACTOR
CONTACTOR
FUSE
SURGE ABSORBER
RA6V23-
RA6V33-
25+/440V
30+/440V
1.5+/440V
250V2A
MF
MF
C1
C1
TB1
TB2
C2
52C
52C
F
DSAR
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Q'ty/unit
MU-12RVMU-07RV MU-09RV
-
E1
-
E2
-
E1
-
E2
-
E1
-
E2
12
6
3
5
4
3-6. OUTDOOR UNIT
FUNCTIONAL PARTS AND
ELECTRICAL PARTS
E02 408 426
10 REMOTE CONTROLLER 111
3-7. REMOTE CONTROLLER
3-7. REMOTE CONTROLLER
10
3-6. OUTDOOR UNIT FUNCTIONAL PARTS AND ELECTRICAL PARTS
MU-07RV - MU-07RV -
MU-09RV - MU-09RV -
MU-12RV - MU-12RV - E2E1
E2E1
E2E1
Part number that are circled are not shown in the illustration.
OB252.qxp 3/3/00 3:45 PM Page 8

9
No. Part No. Part name Remarks
Symbol
in Wiring
Diagram
Q'ty/unit
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
E02 336 232
E02 336 297
E02 336 521
E02 336 245
E02 164 900
E02 128 900
E02 141 900
E02 440 630
E02 442 630
E02 159 936
E02 156 936
E02 339 936
E02 441 936
E02 412 936
E02 134 937
E02 134 936
E02 442 936
E02 139 662
E02 339 661
E02 340 661
E02 339 290
E02 340 290
E02 336 515
E02 442 515
E02 336 506
E02 075 506
E02 440 233
E02 444 961
E02 154 642
CABINET
TOP PANEL
GRILLE(OUT)
SERVICE PANEL
COMPRESSOR
COMPRESSOR
COMPRESSOR
OUTDOOR HEAT EXCHANGER
OUTDOOR HEAT EXCHANGER
CAPILLARY TUBE
CAPILLARY TUBE
CAPILLARY TUBE
CAPILLARY TUBE
CAPILLARY TUBE
CAPILLARY TUBE
CAPILLARY TUBE
CAPILLARY TUBE
STOP VALVE(LIQUID)
STOP VALVE(GAS)
STOP VALVE(GAS)
BASE
BASE
MOTOR SUPPORT
MOTOR SUPPORT
COMPRESSOR RUBBER SET
COMPRESSOR RUBBER SET
BACK PANEL
REVERSING VALVE
CHECK VALVE
RH-135VGHT
RH-174VGHT
RH-231VHAT
{3.0x{1.4x800
{3.0x{1.4x500
{3.0x{1.4x600
{3.0x{1.4x550
{3.0x{1.6x600
{3.0x{1.6x400
{3.0x{1.6x700
{3.0x{1.8x300
{6.35
{9.52
{12.7
3RUBBERS/SET
3RUBBERS/SET
1
1
1
1
1
1
2
1
1
1
1
1
1
3
1
1
1
MC
MC
MC
MUH-12RVMUH-07RV MUH-09RV
1
1
1
1
1
1
2
1
1
1
1
1
1
3
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
3
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
3
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
3
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
3
1
1
1
- E1 - E2 - E1 - E2 - E1 - E2
2
3
510 9
12
1
8
11
6
4
13
Part number that are circled are not shown in the illustration. 14
3-8. OUTDOOR UNIT STRUCTURAL PARTS
MUH-07RV - MUH-07RV -
MUH-09RV - MUH-09RV -
MUH-12RV - MUH-12RV - E2E1
E2E1
E2E1
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10
No. Part No. Part name Remarks
Symbol
in Wiring
Diagram
Q'ty/unit
1
2
3
4
5
6
7
8
9
10
11
E02 336 501
E02 440 301
E02 442 301
E02 085 353
E02 079 353
E02 437 374
E02 440 374
E02 289 310
E02 440 310
E02 440 451
E02 128 383
E02 440 490
E02 095 382
E02 085 385
PROPELLER FAN
OUTDOOR FAN MOTOR
OUTDOOR FAN MOTOR
COMPRESSOR CAPACITOR
COMPRESSOR CAPACITOR
TERMINAL BLOCK
TERMINAL BLOCK
DEFROST THERMISTOR
DEFROST THERMISTOR
DEICER P.C. BOARD
SURGE ABSORBER
REVERSING VALVE COIL
FUSE
VARISTOR
RA6V23-
RA6V33-
25+/440V
30+/440V
250V 2A
MF
MF
C1
C1
TB1
TB2
RT61
RT61
DSAR
21S4
F61
NR61
1
1
1
1
1
1
1
1
1
1
1
MUH-12RVMUH-07RV MUH-09RV
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
-
E1
-
E2
-
E1
-
E2
-
E1
-
E2
E02 440 704
E02 444 704
E02 440 705
13
14
DRAIN SOCKET
DRAIN SOCKET
DRAIN CAP
1
2
1
2
1
2
E02 430 426
12 REMOTE CONTROLLER 111
1
21
2
1
2
127 3
65 4
8
3-9. OUTDOOR UNIT
FUNCTIONAL PARTS AND
ELECTRICAL PARTS
3-10. REMOTE CONTROLLER
3-10. REMOTE CONTROLLER
12
3-9. OUTDOOR UNIT FUNCTIONAL PARTS AND ELECTRICAL PARTS
MUH-07RV - MUH-07RV -
MUH-09RV - MUH-09RV -
MUH-12RV - MUH-12RV - E2E1
E2E1
E2E1
Part number that are circled are not shown in the illustration.
3-11. ACCESSORY PARTS
3-11. ACCESSORY PARTS
13 14
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