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

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
OB252.qxp 3/3/00 3:24 PM Page 7

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
OB252.qxp 3/3/00 3:24 PM Page 9

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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11
MUX-10RV - MUX-10RV -
3-12. OUTDOOR UNIT STRUCTURAL PARTS
E2E1
No. Parts No. Parts Name Remarks
MUX-10RV
Symbol
in Wiring
Diagram
Q'ty / unit
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
M21 601 501
T2W E42 301
T2W E42 388
T2W E39 389
T2W E42 389
T2W E60 375
M21 370 378
T2W 459 342
M21 N71 350
T2W 304 353
T2W E03 330
M21 B00 340
T2W E60 376
T2W A79 382
T2W 418 521
T2W E03 232
M21 478 297
T2W 459 630
T2W 416 515
T2W E03 293
M21 179 645
M21 463 936
M21 195 648
M21 K08 936
T2W E42 662
T2W E42 661
T2W E03 290
T92 514 200
T2W E03 245
PROPELLER FAN
OUTDOOR FAN MOTOR
BYPASS VALVE SOLENOID COIL A
BYPASS VALVE SOLENOID COIL B
BYPASS VALVE SOLENOID COIL
TERMINAL BLOCK
TERMINAL BLOCK
COMPRESSOR CONTACTOR
FAN MOTOR CAPACITOR
COMPRESSOR CAPACITOR
OVERCURRENT RELAY
RELAY
TERMINAL BLOCK
FUSE
OUTER NOZZLE
CABINET
TOP PANEL
OUTDOOR HEAT EXCHANGER
MOTOR SUPPORT
SEPARATOR
SOLENOID VALVE
CAPILLARY TUBE (
[3.0x[1.4x1900)
SOLENOID VALVE
CAPILLARY TUBE (
[3.0x[1.6x1200)
STOP VALVE (LIQUID)
STOP VALVE (GAS)
BASE ASSEMBLY
COMPRESSOR
SERVICE PANEL
1
1
1
1
1
1
2
2
1
1
1
2
1
2
1
1
1
1
1
1
2
1
1
1
2
2
1
1
1
1
1
1
1
1
1
2
2
1
1
1
2
1
2
1
1
1
1
1
1
2
1
1
1
2
2
1
1
1
RA6V22-
L N
1.5+440V
17+440V
G4F11123T
2,1,2,1
2A 250V
[3.0x[1.4x400
[3.0x[1.4x400
[3.0x[1.6x1000
KH-134VLL
MF
21R1
21R2
21R
TB
TB
52C1,52C2
C2
C1
51C
TB
F12,F13
MC
30 E02 408 426 REMOTE CONTROLLER 2
E1 E2
When servicing , cut the tube to the propper length as
shown in the REFRIGERANT SYSTEM DIAGRAM.
1
3-13. REMOTE CONTROLLER
3-13. REMOTE CONTROLLER
3-12. OUTDOOR UNIT STRUCTURAL PARTS
22
7
29
30
25
8
20
23
9
10
15
16
17
18
19
6
27
28
26
24
21
543
OB252.qxp 3/3/00 3:25 PM Page 11

12
3-14. OUTDOOR UNIT
FUNCTIONAL PARTS AND AND ELECTRICAL PARTS AND STRUCTURAL PARTS
MUX-18RV - MUX-18RV - E2E1
35
31
5
12
227 17 16
9
811 10 728 6
15
14
13
18
19
24
25
24
25
20
21
22
23
3028
26
4
1
3
3-15. REMOTE CONTROLLER
37
OB252.qxp 3/3/00 3:25 PM Page 12

13
No. Parts No. Parts Name Remarks
MUX-18RV
Symbol
in Wiring
Diagram
Q'ty / set
Part number that is circled are not shown in the illustration.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
T2W 510 232
M21 B57 249
T2W 466 509
M21 K59 245
T2W E41 291
T2W E60 375
T2W E60 376
T2W 304 353
M21 W16 350
T2W 813 342
T2W 459 342
M21 B19 515
T2W A23 490
T2W E41 489
T2W E41 488
T2W A73 301
R01 093 115
M21 179 645
M21 195 648
M21 K59 662
M21 K59 661
T2W 689 665
T2W 689 667
M21 L01 666
M21 SJ4 667
T92 514 200
T2W A74 630
M21 S07 936
M21 G46 936
M21 B93 936
T2W E03 330
T2W E61 377
M21 370 378
M21 B00 340
T2W E06 290
T2W A79 382
CABINET
SIDE PANEL
OUTER NOZZLE
SERVICE PANEL
BACK PANEL
TERMINAL BLOCK
TERMINAL BLOCK
COMPRESSOR CAPACITOR
OUTDOOR FAN CAPACITOR
OUTDOOR FAN RELAY
CONTACTOR
MOTOR SUPPORT
SOLENOID COIL
SOLENOID COIL(B)
SOLENOID COIL(C)
OUTDOOR FAN MOTOR
PROPELLER FAN
SOLENOID VALVE
SOLENOID VALVE
STOP VALVE(LIQUID)
STOP VALVE(GAS)
STOP VALVE(LIQUID)
STOP VALVE(GAS)
UNION(1/4)
UNION(3/8)
COMPRESSOR
OUTDOOR HEAT EXCHANGER
CAPILLARY TUBE (
[3.0X[1.6X1,400)
CAPILLARY TUBE ( [3.0X[1.6X800)
CAPILLARY TUBE ( [3.0X[1.4X1,100)
OVERCURRENT RELAY
TERMINAL BLOCK
TERMINAL BLOCK
RELAY
BASE
FUSE
1
1
1
1
1
1
1
2
1
2
2
1
1
1
1
1
1
2
1
1
1
1
1
2
2
2
1
3
1
1
2
1
2
3
1
3
1
1
1
1
1
1
1
2
1
2
2
1
1
1
1
1
1
2
1
1
1
1
1
2
2
2
1
3
1
1
2
1
2
3
1
3
17µF 440V
3µF 440V
LY-2F
RA6V50 -
KH-134VLL
[3.0X[1.6X1,000
[3.0X[1.6X1,100
[3.0X[1.6X300
[3.0X[1.4X1,100
G4F11123T
2A 250V
TB2
TB
C1,2
C3
X11,X12
52C1,52C2
21R
21R1
21R2
MF
MC1,MC2
51C1,51C2
TB3
X1,X2,52CA
F12,F13,F14
37 E02 408 426 REMOTE CONTROLLER 2
E1 E2
When servicing , cut the tube to the propper length as shown in the REFRIGERANT SYSTEM DIAGRAM. See page 39.
MUX-18RV - MUX-18RV -
3-14. OUTDOOR UNIT
FUNCTIONAL PARTS AND AND ELECTRICAL PARTS AND STRUCTURAL PARTS
E2E1
3-15. REMOTE CONTROLLER
OB252.qxp 3/3/00 3:25 PM Page 13

14
3-16. OUTDOOR UNIT
FUNCTIONAL PARTS AND AND ELECTRICAL PARTS
MUX-24RV - MUX-24RV - E2E1
56
1
28 7 18 13
9
17
12
14
15
4
10
11
3
No. Parts No. Parts Name Remarks
MUX-24RV
Symbol
in Wiring
Diagram
Q'ty / unit
Part number that is circled is not shown in the illustration.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
T2W E44 301
M21 17A 501
T2W E44 388
T2W E44 389
T2W E38 388
T2W E38 389
T2W E37 388
T2W E37 389
T2W 813 342
M21 B00 340
T2W 459 342
T2W E06 353
T2W A62 353
T2W E62 375
T2W E44 375
M21 020 378
T2W E08 381
T2W 779 353
FAN MOTOR
PROPELLER FAN
SOLENOID COIL
SOLENOID COIL
SOLENOID COIL
SOLENOID COIL
SOLENOID COIL
SOLENOID COIL
FAN MOTOR RELAY
RELAY
COMPRESSOR RELAY
FAN MOTOR CAPACITOR
COMPRESSOR CAPACITOR
TERMINAL BLOCK
TERMINAL BLOCK
TERMINAL BLOCK
FUSE
COMPRESSOR CAPACITOR
1
1
1
1
1
1
1
1
2
4
4
1
1
1
4
6
1
1
1
1
1
1
1
1
1
1
2
4
4
1
1
1
4
6
1
1
LY-2F
G4F11123T-MT
AC200/240V
3=/440V
30=/420V
3.15A 250V
25=/420V
MF
21R1
21R2
21R3
21R4
21RA
21RB
X11,X12
X1,X2,X3,X4
52C1,52C2
52C3,52C4
C1
TB
TB1,TB2
TB3,TB4
TB5,6,7,8,9,10
C2
19 E02 408 426
REMOTE CONTROLLER 3
E1 E2
3-16. OUTDOOR UNIT FUNCTIONAL PARTS AND AND ELECTRICAL PARTS
3-17. REMOTE CONTROLLER
19
3-17. REMOTE CONTROLLER
OB252.qxp 3/3/00 3:25 PM Page 14

15
No. Parts No. Parts Name Remarks
MUX-24RV
Symbol
in Wiring
Diagram
Q'ty / unit
Part number that are circled is not shown in the illustration.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
T2W E44 232
T2W E44 521
T2W E44 245
T2W E44 249
T2W E44 297
T2W E44 523
T2W E44 248
T2W E44 630
T2W E44 290
M21 51E 515
T92 702 600
T92 531 600
M21 179 645
M21 21J 662
M21 00L 661
M21 00A 661
T2W E44 648
T2W E44 641
T2W E44 643
T2W E44 642
T2W E44 644
M21 K47 936
M21 AJ2 936
FRONT PANEL
OUTER NOZZLE
SERVICE PANEL
SIDE PANEL
TOP PANEL
REAR GUARD
REAR PANEL
HEAT EXCHANGER
BASE
MOTOR SUPPORT
COMPRESSOR(A,B)
COMPRESSOR(C,D)
SOLENOID VALVE(A,B)
STOP VALVE(LIQUID)
STOP VALVE
STOP VALVE
SOLENOID VALVE
PIPE A S. V
S. V HEADER A
PIPE B S. V
S. V HEADER B
CAPILLARY TUBE ( [3.0O[1.6O800)
CAPILLARY TUBE ( [3.0O[1.6O1100)
1
1
1
1
1
1
1
1
1
1
1
1
4
4
2
2
2
1
1
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
4
4
2
2
2
1
1
1
1
2
2
RH-174VGH
RH-231VHA
LIQUID
[3.0O[1.6O420
[3.0O[1.6O650
[3.0O[1.6O1000
MC2
MC1
E1 E2
142
313 11 20 21 15 16 912
7
14
19
18
17
6
5
8
10
3-18. OUTDOOR UNIT
STRUCTURAL PARTS
MUX-24RV - MUX-24RV - E2E1
When servicing, cut the tube to the propper length as shown in the REFRIGERANT SYSTEM DIAGRAM.
23
OB252.qxp 3/3/00 3:26 PM Page 15

16
Part number that are circed are not shown in the illustration.
When servicing, cut the tube to the propper length as shown in the REFRIGERANT SYSTEM DIAGRAM.
3-19. OUTDOOR UNIT
STRUCTURAL AND FUNCTURAL PARTS
MXZ-18RV - MXZ-18RV - E2E1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
M21 LL4 232
M21 LL4 521
M21 LL4 297
M21 LL4 245
R01 A00 662
M21 LL4 248
T2W E65 523
M21 SJ4 630
M21 SJ4 290
T2W A70 009
T2W A69 009
T2W A70 515
T2W E65 212
T92 669 452
M21 LL4 501
T2W E41 301
M21 LL4 488
M21 LL4 487
M21 LL4 646
M21 SJ4 667
M21 SJ4 666
T2W A64 668
T7W 250 403
T2W E41 646
M21 LL4 939
M21 LL4 938
M21 986 936
M21 L11 936
FRONT PANEL
FAN GUARD
TOP PANEL
SERVICE PANEL
SIDE PANEL
REAR PANEL
REAR GUARD
OUTDOOR HEAT EXCHANGER
BASE ASSEMBLY
HANDLE
HANDLE
MOTOR SUPPORT
LABEL
COMPRESSOR
PROPELLER FAN
OUTDOOR FAN MOTOR
EXPANSION VALVE (COIL)
EXPANSION VALVE (COIL)
EXPANSION VALVE
UNION (3/8F)
UNION (1/4F)
BALL VALVE (3/8)
REVERSING VALVE
HIGH PRESSURE SWITCH
ACCUMULATOR
MUFFLER
CAPILLARY TUBE ([4.0✕[2.4✕2000)
CAPILLARY TUBE ([2.0✕[0.6✕1000)
MC
MF
LEV. A
LEV. B
HPS
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
2
2
2
2
1
1
1
1
1
1
RHV - 207FEM
RA6V50-
[4.0✕[2.4✕300
[4.0✕[2.4✕400
[2.0✕[0.6✕500
No. Parts No. Parts Name Remarks
MXZ-18RV
Symbol
in Wiring
Diagram
Q'ty / unit
E1 E2
9
4
2
12
11 14
26
15
10
1
3
5
16 8
13
23 7 24
25
22
17 18 19 20
21
OB252.qxp 3/3/00 3:26 PM Page 16

17
3-21. REMOTE CONTROLLER AND ACCESSORY PARTS
3-20. OUTDOOR UNIT ELECTRICAL PARTS
MXZ-18RV - MXZ-18RV - E2E1
15
16
19
Part number that are circed are not shown in the illustration.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
M21 A19 447
M21 U48 362
T2W E22 341
T2W A70 356
T2W A70 357
M21 LL4 424
T2W E41 309
M21 V47 443
T2W E58 375
T2W E58 376
T2W E58 451
T2W E41 441
T2W A70 337
T2W E41 398
T2W E41 307
T2W E41 308
T2W E55 309
T2W E22 425
T2W E41 306
DIODE MODULE
CURRENT DETECTING RESISTOR
DIODE STACK
SMOOTHING CAPACITOR
POWER FACTOR CAPACITOR
NOISE FILTER
FIN TEMPERATURE THERMISTOR
POWER TRANSISTOR MODULE
TERMINAL BLOCK
TERMINAL BLOCK
ELECTRONIC CONTROL P.C. BOARD
RELAY P.C. BOARD
REACTOR
R.V. COIL
SUCTION TEMPERATURE THERMISTOR
DEFROST TEMPERATURE THERMISTOR
DISCHARGE TEMPERATURE THERMISTOR
NOISE FILTER
GAS PIPE TEMPERATURE THERMISTOR
DS63
R65
DS61
C67
C61
NF61
RT63
TR
TB
TB
L
21S4
RT66
RT61
RT62
NF62
RT64,65
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
1
2
1
1
1
1
1
1
1
1
1
Q'ty / unit
100+400V
1800+400V
SUCTION EVAPORATION
20
21 E02 430 426 T2W E59 704 REMOTE CONTROLLER
DRAIN SOCKET ASSEMBLY
2
1 1DRAIN SOCKET O1
DRAIN CAP O2
No. Parts No. Parts Name Remarks
MXZ-18RV
Symbol
in Wiring
Diagram E1 E2
17
7
14
13
12
19
10
8
1
2
34 5
19
3-21. REMOTE CONTROLLER AND
ACCESSORY PARTS
21
20
3-20. OUTDOOR UNIT ELECTRICAL PARTS
OB252.qxp 3/3/00 3:26 PM Page 17

OB252.qxp 3/3/00 3:26 PM Page 18

OB252.qxp 3/3/00 3:26 PM Page 19

New publication, effective Mar. 2000
Specifications subject to change without notice.
CCCopyright 2000 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD
Issued in Mar. 2000. No.OB252 543
Printed in Japan
HEAD OFFICE MITSUBISHI DENKI BLDG.MARUNOUCHI TOKYO100-8310 TELEX J24532 CABLE MELCO TOKYO
OB252.qxp 3/3/00 3:26 PM Page 20