Mitsubishi | MS-12RV | Mitsubishi Air Conditioner MS-12RV

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Page 1
NOTE: • This service Manual covers only change points.
Please refer to the Service Manual OB227 REVISED EDITIONB for unchanged contents.
• Please refer to the following service manual when the outdoor
unit is the under mentioned model.
MXZ-32SV-E1: OB254
MXZ-18TV-E1: OB280
MUX-19/20/25TV-E1: OB284
• Please void OB252.
SPLIT-TYPE,AIR CONDITIONERS
SPLIT-TYPE,HEAT PUMP AIR CONDITIONERS
No. OB252
REVISED EDITION-A
SERVICE MANUAL
Wireless type
Models
MSC-07RV MSC-09RV MSC-12RV -
E2 (WH)
MSC-07RV MSC-09RV MSC-12RV -
E3 (WH)
MSC-07RV MSC-09RV MSC-12RV -
E2 (WH)
MSC-07RV MSC-09RV MSC-12RV -
E3 (WH)
E2 (WH)
E2 (WH)
E3 (WH)
E3 (WH)
E2 (WH)
E2 (WH)
E3 (WH)
E3 (WH)
· MU-07RV · MU-09RV · MU-12RV -
E2
· MU-07RV · MU-09RV · MU-12RV -
E3
E2
E2
E3
E3
· MUH-07RV · MUH-09RV · MUH-12RV -
E2
· MUH-07RV · MUH-09RV · MUH-12RV -
E3
· MUX-10RV · MUX-18RV · MUX-24RV -
E2
E2
E2
E3
E3
Multi system type
MSC-07RV MSC-09RV MSC-12RV -
E2 (WH)
E2 (WH)
E2 (WH)
E2
E2
Inverter controlled multi system type
· MXZ-18RV -
E2
CONTENTS
MSC-07RV MSC-09RV MSC-12RV -
E2
E2
E2
1.
2.
3.
4.
TECHNICAL CHANGES ····································3
PART NAMES AND FUNCTIONS······················6
REFRIGERANT SYSTEM DIAGRAM ················8
PARTS LIST ·······················································9
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Page 2
REVISION
This service Manual covers only change points.
(MSC-07/09/12RV- E1 ➔MSC-07/09/12RV(MU-07/09/12RV-
E1
➔MU-07/09/12RV-
E2
E2
)
)
(MUH-07/09/12RV-
E1
➔MUH-07/09/12RV-
E2
)
(MUX-10/18/24RV-
E1
➔MUX-10/18/24RV-
E2
)
E3
)
(MXZ-18RV-
E1
➔MXZ-18RV-
(MSC-07/09/12RV(MU-07/09/12RV-
E2
E2
(MUH-07/09/12RV-
E2
)
➔MSC-07/09/12RV-
➔MU-07/09/12RV-
E2
E3
➔MUH-07/09/12RV-
)
E3
)
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Page 3
TECHNICAL CHANGES
MSC-07RV - E1
MSC-09RV - E1
MSC-12RV - E1
MSC-07RV - E2
MSC-09RV - E2
MSC-12RV - E2
• Indoor electronic control P.C. board has changed.
• COOL ONLY / COOL & HEAT two-way remote controller is provided in the indoor unit accessory.
MU-07RV - E1
MU-09RV - E1
MU-12RV - E1
MU-07RV - E2
MU-09RV - E2
MU-12RV - E2
• Contactor(52C) has changed.
• Remote controller is unprovided in the outdoor unit accessory.
MUH-07RV - E1
MUH-09RV - E1
MUH-12RV - E1
MUX-10RV - E1
MUX-18RV - E1
MUX-24RV - E1
MXZ-18RV - E1
MUH-07RV - E2
MUH-09RV - E2
MUH-12RV - E2
MUX-10RV - E2
MUX-18RV - E2
MUX-24RV - E2
MXZ-18RV - E2
• Remote controller is unprovided in the outdoor unit accessory.
COOL ONLY REMOTE CONTROLLER
COOL&HEAT REMOTE CONTROLLER
Two-way 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.
Reference
REMOTE CONTROLLER
Model
COOL ONLY
MS-07/09/12RV- E1
MSH-07/09/12RV-
E1
MSH-07/09/12RV-
TWO-WAY
✕
✕
✕
w When HEAT mode is selected by
w
MS-07/09/12RV- E2
E2
COOL
& HEAT
the remote controller of COOL & HEAT
✕
type, the unit will operate in FAN mode.
3
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MSC-07RV - E2
MSC-09RV - E2
Page 4
MSC-07RV - E3
MSC-09RV - E3
• Indoor electronic control P.C. board has changed.
• Remote controller has changed.(COOL ONLY / COOL & HEAT two-way)
MSC-12RV - E2
MSC-12RV - E3
• Remote controller has changed.(COOL ONLY / COOL & HEAT two-way)
Remote controller
• The way of remodelling individual operation of P.C Board of remote controller changed.
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 remodelling, take out the batteries and press the
OPERATE/STOP(ON/OFF)button
twice or 3 times at first.
After finish remodelling, put back
the batteries then press the
RESET button.
Table 1
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.
4-2. REMOTE CONTROLLER (How to set the type)
This remote controller setting needs to be switched according to the type of air conditioner (COOL & HEAT or COOL
ONLY).
If the setting is incorrect, the air conditioner does not operate normally. Therefore, check if the setting corresponds to
the type of air conditioner. If it does not, correct the setting as shown below.
Slide switch
Type
The position
of the slide
switch
4
COOL & HEAT
COOL ONLY
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• How to replace batteries
Weak batteries may cause the remote controller malfunction.
In this case, the remote controller can be repaired only by the battery replacement. To operate the remote controller
normally, replace the batteries in the following order.
This remote controller has the RESET button. After refilling new batteries, press the RESET button with tip end of ball
point pen or the like, and then use the remote controller.
1 Remove the front lid and insert batteries.
Then reattach the front lid.
2 Press the RESET button.
Insert the negative pole
of the batteries first.
Check if the polarity of
the battereis is correct.
RESET button
NOTE : If the RESET button is not pressed, the remote controller may not operate correctly.
MU-07RV - E2
MU-07RV - E3
• Compressor has changed. RH-135VGCT ➔ RH-130VGCT
MU-09RV - E2
MU-09RV - E3
• Compressor has changed. RH-145VGCT ➔ RH-140VGCT
• Refrigerant filling capacity (R22) has changed. 0.85kg ➔ 0.80kg
MU-12RV - E2
MU-12RV - E3
• Compressor has changed. RH-231VHAT ➔ RH-220VHAT
MUH-07RV - E2
MUH-07RV - E3
• Compressor has changed. RH-135VGCT ➔ RH-130VGCT
• Accumulator has been removed.
• Refrigerant filling capacity (R22) has changed. 0.80kg ➔ 0.85kg
MUH-09RV - E2
MUH-09RV - E3
• Compressor has changed. RH-174VGCT ➔ RH-165VGCT
• Accumulator has been removed.
• Refrigerant filling capacity (R22) has changed. 0.80kg ➔ 0.85kg
MUH-12RV - E2
MUH-12RV - E3
• Compressor has changed. RH-231VHAT ➔ RH-220VHAT
• Accumulator has been removed.
5
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PART NAMES AND FUNCTIONS
ACCESSORIES
MSC-07RV
MSC-09RV
MSC-12RV
MSC-07RV
MSC-09RV
MSC-12RV
- E1
- E1
- E1
- E1
- E1
- E1
•
•
•
•
•
•
MSC-07RV
MSC-09RV
MSC-12RV
MSC-07RV
MSC-09RV
MSC-12RV
MU-07RV - E1
MU-09RV - E1
MU-12RV - E1
MUH-07RV - E1
MUH-09RV - E1
MUH-12RV - E1
<Indoor unit>
- E2
- E2
- E2
- E2
- E2
- E2
E3
E3
E3
E3
E3
E3
•
•
•
•
•
•
MU-07RV - E2 E3
MU-09RV - E2 E3
MU-12RV - E2 E3
MUH-07RV - E2 E3
MUH-09RV - E2 E3
MUH-12RV - E2 E3
<Indoor unit>
installation plate
1
installation plate
1
Installation plate fixing screw 4 o 25 mm
5
Installation plate fixing screw 4 o 25 mm
5
Remote controller mounting hardware
1
Remote controller mounting hardware
1
2
Fixing screw for
Battery (AAA) for remote controller
2
Battery (AAA) for remote controller
2
Felt tape (Used for left or left-rear piping)
1
Wireless remote controller
1
Deodorizing filter
1
Felt tape (Used for left or left-rear piping)
1
Air cleaning filter
1
Deodorizing filter
1
Air cleaning filter
1
Fixing screw for
3.5 o 16 mm
<Outdoor unit>
3.5 o 16 mm
2
<Outdoor unit: MUH type>
Wireless remote controller
1
Drain socket
1
Drain socket: MUH type
1
Drain cap
2
Drain cap: MUH type
2
MSC-07RV - E2 MSC-09RV - E2 MSC-12RV - E2
REMOTE CONTROLLER
Signal transmitting section
Operation display section
AM
CLOCK
PM
6 00 1 1 00
OPERATE /STOP
(ON /OFF)button
ON/OFF
TOO
WARM
TOO
COOL
OPERATION SELECT button
TEMPERATURE buttons
MODE
I FEEL COOL DRY HEAT/FAN
VANE
FAN
VANE CONTROL button
FAN SPEED CONTROL button
ECONO COOL
ECONO COOL button
START
ON-TIMER button
CLOCK SET button
STOP
OFF-TIMER button
HR. CLOCK MIN.
RESET
HR. button
MIN. button
(TIME SET button)
6
RESET button
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MSC-07RV - E3 MSC-09RV - E3 MSC-12RV - E3
REMOTE CONTROLLER
Signal transmitting section
Operation display section
PM
AM
OPERATE /STOP
(ON /OFF)button
TOO
ON/OFF WARM
TOO
COOL
TEMPERATURE buttons
Open the front lid.
CLOCK
PM
AM
TOO
ON/OFF WARM
FAN SPEED CONTROL button
TOO
COOL
FAN
STOP
VANE
START
I FEEL COOL
HEAT
/FAN
OFF-TIMER button
DRY
ON-TIMER button
/
MODE
HR.
ECONO COOL
MIN.
OPERATION SELECT button
ECONO COOL button
HR. button
MIN. button
(TIME SET button)
RESET CLOCK
CLOCK SET button
RESET button
VANE CONTROL button
7
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Page 8
REFRIGERANT SYSTEM DIAGRAM
Unit:mm
MUH-07RV - E3
MUH-09RV - E3
MSC-07RV - E3
MSC-09RV - E3
INDOOR UNIT
(with heat insulator)
Indoor
heat
exchanger
Indoor coil
thermistor
RT12
OUTDOOR UNIT
Refrigerant pipe [ 9.52
Flared connection
4-way valve
Muffler
Defrost
thermistor
RT61
Stop valve
(with service
port)
Strainer
Room temperature
thermistor
RT11
Outdoor
heat
exchanger
Capillary tube
[3.0x[1.4x800 (2 pcs)
Compressor
Capillary tube
[3.0x[1.6x600(MUH-07)
[3.0x[1.6x400(MUH-09)
Flared connection
Check valve
R.V. coil
heating ON
cooling OFF
Strainer
Capillary tube
[3.0x[1.4x600(MUH-07)
[3.0x[1.4x550(MUH-09)
Stop valve
Refrigerant pipe [6.35
(with heat insulator)
Refrigerant flow in cooling
Refrigerant flow in heating
Unit:mm
MSC-12RV -
INDOOR UNIT
Indoor
heat
exchanger
MUH-12RV - E3
E3
Indoor coil
thermistor
RT12
Refrigerant pipe [12.7
(with heat insulator)
OUTDOOR UNIT
4-way valve
Muffler
Stop valve
(with service port)
Flared connection
Strainer
Defrost
thermistor
RT61
Room temperature
thermistor
RT11
Outdoor
heat
exchanger
Capillary tube
[3.0x[1.4x500(2pcs)
Compressor
Capillary tube
[3.0x[1.8x300
Flared connection
Strainer
Capillary tube
[3.0x[1.6x700
R.V. coil
heating ON
cooling OFF
Stop valve
Refrigerant flow in cooling
Refrigerant pipe [6.35
(with heat insulator)
Check
valve
8
Refrigerant flow in heating
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Page 9
PARTS LIST
MSC-07RV - E1 (WH) MSC-07RV - E2 (WH) MSC-07RV - E3 (WH)
MSC-09RV - E1 (WH) MSC-09RV - E2 (WH) MSC-09RV - E3 (WH)
MSC-12RV - E1 (WH) MSC-12RV - E2 (WH) MSC-12RV - E3 (WH)
4-2. ACCESSORY PART
4-1. INDOOR UNIT STRUCTURAL PARTS
1 (W1)
11
12
2
10
3
9 (W2)
4
13
8 (W2)
5
6
7 (W1)
(W1) These figures show about MSC-12RV.
(W2) Refer to OB227 REVISED EDITION-B 16. OPTIONAL PARTS (see page 184 ).
E2
4-1.INDOOR UNIT STRUCTURAL PARTS
E3
Q'ty/unit
MSC-07RV
MSC-09RV
MSC-12RV
in Wiring
- E1 - E2 - E3 - E1 - E2 - E3 - E1 - E2 - E3
Diagram (WH) (WH) (WH) (WH) (WH) (WH) (WH) (WH) (WH)
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
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
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
Symbol
No.
Part No.
E02
E02
E02
E02
E02
E02
E02
E02
E02
409
411
409
424
409
424
408
408
410
Part Name
234
234
976
000
067
010
142
100
100
BOX(WH)
BOX(WH)
2
CORNER BOX (LEFT)
3
FRONT PANEL(WH)
4
SCREW CAP(WH)
5
GRILLE(WH)
6
CATCH
AIR FILTER
7
AIR FILTER
8
DEODORIZING FILTER
9
AIR CLEANING FILTER
10 E02 409 975 CORNER BOX (RIGHT)
11 E02 408 970 INSTALLATION PLATE
1
4-2. ACCESSORY PART
E02
E02
E02
13
E02
12
504
527
141
583
426
083
083
426
REMOTE CONTROLLER HOLDER
REMOTE CONTROLLER HOLDER
REMOTE CONTROLLER
REMOTE CONTROLLER
1
1
1
1
1
1
1
9
1
1
1
1
1
1
1
1
Remarks
Including No.4,5,6
2PCS/SET
3PCS/SET
MAC-1800DF
MAC-1300FT
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Page 10
MSC-07RV - E1 (WH) MSC-07RV - E2 (WH) MSC-07RV - E3 (WH)
MSC-09RV - E1 (WH) MSC-09RV - E2 (WH) MSC-09RV - E3 (WH)
MSC-12RV - E1 (WH) MSC-12RV - E2 (WH) MSC-12RV - E3 (WH)
4-3. INDOOR UNIT ELECTRICAL PARTS
4-4. INDOOR UNIT HEAT EXCHANGER
18
17
15
16
19 (W)
1
14
SLEEVE
BEARING
ROOM TEMPERATURE
THERMISTOR
2
13
3
4
12
11
5
FUSE
6
VARISTOR
7
8
9
10
21
20
4-3. INDOOR UNIT ELECTRICAL PARTS
(W)These figures show about MSC-12RV.
Q'ty/unit
MSC-07RV
MSC-09RV
MSC-12RV
in Wiring
- E1 - E2 - E3 - E1 - E2 - E3 - E1 - E2 - E3
Diagram (WH) (WH) (WH) (WH) (WH) (WH) (WH) (WH) (WH)
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
F11
1
1
1
1
1
1
1
1
1
NR11
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
MV
1
1
1
1
1
1
1
1
1
RT11
1
1
1
1
1
1
1
1
1
MF
1
1
1
1
1
1
1
1
1
TB
1
1
1
1
1
1
1
1
1
RT12
2
2
2
2
2
2
2
2
2
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
Symbol
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Part No.
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
001
408
409
409
409
127
336
408
424
424
504
583
425
505
584
426
506
408
408
151
424
151
408
408
408
504
702
235
040
041
382
385
034
395
452
452
452
452
452
452
452
452
303
308
300
375
505
307
302
509
Part Name
SLEEVE BEARING
DRAIN HOSE
NOZZLE (WH)
VANE UPPER (WH)
VANE LOWER (WH)
FUSE
VARISTOR
VANE MOTOR SUPPORT SET
POWER SUPPLY CORD
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
ELECTRONIC CONTROL P.C.BOARD
ELECTRONIC CONTROL P.C.BOARD
VANE MOTOR
ROOM TEMPERATURE THERMISTOR
INDOOR FAN MOTOR
TERMINAL BLOCK
FAN MOTOR RUBBER MOUNT
INDOOR COIL THERMISTOR
LINE FLOW FAN
BEARING MOUNT
Remarks
3.15A
AUTO RESTART
AUTO RESTART
AUTO RESTART
AUTO RESTART
AUTO RESTART
AUTO RESTART
AUTO RESTART
AUTO RESTART
RC4V192PCS/SET
4-4. INDOOR UNIT HEAT EXCHANGER
E02
19 E02
E02
E02
20
E02
21 E02
408
410
515
151
155
151
620
620
620
666
666
667
INDOOR HEAT EXCHANGER
INDOOR HEAT EXCHANGER
INDOOR HEAT EXCHANGER
UNION(GAS)
UNION(GAS)
UNION(LIQUID)
1
1
1
1
1
1
1
1
1
10
1
1
1
1
1
1
1
1
1
1
1
1
1
1
{9.52
{12.7
{6.35
1
1
1
1
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Page 11
4-5. OUTDOOR UNIT STRUCTURAL PARTS
MU-07RV - E1 MU-07RV - E2 MU-07RV - E3
MU-09RV - E1 MU-09RV - E2 MU-09RV - E3
MU-12RV - E1 MU-12RV - E2 MU-12RV - E3
12
11
10
9
1
2
3
5
4
6
7
8
Part number that is circled is not shown in the illustration.
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
Part No.
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
336
336
336
437
589
438
408
141
594
336
075
339
340
339
340
339
336
339
336
336
339
412
630
232
521
900
900
900
900
900
900
506
506
290
290
661
661
662
245
233
515
297
936
936
Part name
OUTDOOR HEAT EXCHANGER
CABINET
GRILLE(OUT)
COMPRESSOR
COMPRESSOR
COMPRESSOR
COMPRESSOR
COMPRESSOR
COMPRESSOR
COMPRESSOR RUBBER SET
COMPRESSOR RUBBER SET
BASE
BASE
STOP VALVE(GAS)
STOP VALVE(GAS)
STOP VALVE(LIQUID)
SERVICE PANEL
BACK PANEL
MOTOR SUPPORT
TOP PANEL
CAPILLARY TUBE
CAPILLARY TUBE
Symbol
in Wiring
Diagram -
MC
MC
MC
MC
MC
MC
Q'ty/unit
MU-07RV
E1
1
1
1
1
-
E2
1
1
1
1
-
E3
1
1
1
-
MU-09RV
- E2 - E3
1
1
1
1
1
1
1
1
1
E1
Remarks
MU-12RV
-
E1
1
1
1
-
E2
1
1
1
-
E3
1
1
1
RH-135VGCT
RH-130VGCT
RH-145VGCT
RH-140VGCT
RH-231VHAT
RH-220VHAT
3RUBBERS/SET
3RUBBERS/SET
1
1
1
1
1
1
1
3
3
3
3
3
3
1
1
1
1
1
1
1
1
1
1
1
1
1
11
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
3
3
3
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
{9.52
{12.7
{6.35
{3.0x{1.4x600
{3.0x{1.6x600
OB252A-1.qxp
01.4.4 2:20 PM
Page 12
MU-07RV - E1 MU-07RV - E2 MU-07RV - E3
MU-09RV - E1 MU-09RV - E2 MU-09RV - E3
MU-12RV - E1 MU-12RV - E2 MU-12RV - E3
4-6. OUTDOOR UNIT
FUNCTIONAL PARTS AND
ELECTRICAL PARTS
4-7. REMOTE CONTROLLER
6
1
2
3
10
5
4
4-6. OUTDOOR UNIT FUNCTIONAL PARTS AND ELECTRICAL PARTS
Part number that are circled are not shown in the illustration.
No.
1
2
3
4
5
6
7
8
9
Part No.
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
336
437
439
095
085
079
437
438
001
466
095
128
501
301
301
350
353
353
374
374
340
340
382
383
Part name
PROPELLER FAN
OUTDOOR FAN MOTOR
OUTDOOR FAN MOTOR
OUTDOOR FAN CAPACITOR
COMPRESSOR CAPACITOR
COMPRESSOR CAPACITOR
TERMINAL BLOCK
TERMINAL BLOCK
CONTACTOR
CONTACTOR
FUSE
SURGE ABSORBER
Symbol
in Wiring
Diagram MF
MF
C2
C1
C1
TB1
TB2
52C
52C
F
DSAR
Q'ty/unit
MU-07RV
E1
1
1
-
E2
1
1
-
E3
1
1
MU-09RV
- E1 - E2 - E3
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
REMOTE CONTROLLER
1
12
1
-
E2
-
E3
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
4-7. REMOTE CONTROLLER
10 E02 408 426
Remarks
MU-12RV
1
RA6V23RA6V331.5+ /440V
25+ /440V
30+ /440V
3P
2P
250V/ 2A
OB252A-1.qxp
01.4.4 2:20 PM
4-8. OUTDOOR
MUH-07RV - E1
MUH-09RV - E1
MUH-12RV - E1
Page 13
UNIT STRUCTURAL PARTS
MUH-07RV - E2 MUH-07RV - E3
MUH-09RV - E2 MUH-09RV - E3
MUH-12RV - E2 MUH-12RV - E3
13
12
1
11
2
3
10
4
Part number that are circled are not shown in the illustration.
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Part No.
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
440
442
336
336
164
589
128
593
141
594
336
075
339
340
339
340
139
444
336
440
336
442
336
159
156
339
441
412
134
134
442
154
630
630
232
521
900
900
900
900
900
900
506
506
290
290
661
661
662
961
245
233
515
515
297
936
936
936
936
936
937
936
936
642
Part name
OUTDOOR HEAT EXCHANGER
OUTDOOR HEAT EXCHANGER
CABINET
GRILLE(OUT)
COMPRESSOR
COMPRESSOR
COMPRESSOR
COMPRESSOR
COMPRESSOR
COMPRESSOR
COMPRESSOR RUBBER SET
COMPRESSOR RUBBER SET
BASE
BASE
STOP VALVE(GAS)
STOP VALVE(GAS)
STOP VALVE(LIQUID)
4-WAY VALVE
SERVICE PANEL
BACK PANEL
MOTOR SUPPORT
MOTOR SUPPORT
TOP PANEL
CAPILLARY TUBE
CAPILLARY TUBE
CAPILLARY TUBE
CAPILLARY TUBE
CAPILLARY TUBE
CAPILLARY TUBE
CAPILLARY TUBE
CAPILLARY TUBE
CHECK VALVE
Symbol
in Wiring
Diagram
MC
MC
MC
MC
MC
MC
5
6
7
8
9
Q'ty/unit
MUH-07RV
-
E1
-
E2
-
E3
1
1
1
1
1
1
1
1
1
1
1
MUH-09RV
- E1 - E2 - E3
1
1
1
1
1
1
1
1
1
Remarks
MUH-12RV
-
E1
1
1
1
-
E2
1
1
1
-
E3
1
1
1
RH-135VGHT
RH-130VGCT
RH-174VGHT
RH-165VGCT
RH-231VHAT
RH-220VHAT
3RUBBERS/SET
3RUBBERS/SET
1
1
1
1
1
1
1
3
3
3
3
3
3
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
13
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
2
1
1
1
1
1
1
2
1
1
1
1
1
1
3
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
3
1
{9.52
{12.7
{6.35
{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
OB252A-1.qxp
01.4.4 2:20 PM
Page 14
MUH-07RV - E1 MUH-07RV - E2 MUH-07RV - E3
MUH-09RV - E1 MUH-09RV - E2 MUH-09RV - E3
MUH-12RV - E1 MUH-12RV - E2 MUH-12RV - E3
4-9. OUTDOOR UNIT
FUNCTIONAL PARTS AND
ELECTRICAL PARTS
8
2
1
3
7
4-10. REMOTE CONTROLLER
12
6
4
4-11. ACCESSORY PARTS
5
13
14
4-9. OUTDOOR UNIT FUNCTIONAL PARTS AND ELECTRICAL PARTS
Part number that are circled are not shown in the illustration.
No.
1
2
3
4
5
6
7
8
9
10
11
Part No.
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
E02
336
440
442
085
079
440
128
437
440
289
440
440
095
085
501
301
301
353
353
451
383
374
374
310
310
490
382
385
Part name
Symbol
in Wiring
Diagram -
PROPELLER FAN
OUTDOOR FAN MOTOR
MF
OUTDOOR FAN MOTOR
MF
COMPRESSOR CAPACITOR
C1
COMPRESSOR CAPACITOR
C1
DEICER P.C. BOARD
SURGE ABSORBER
DSAR
TERMINAL BLOCK
TB1
TERMINAL BLOCK
TB2
DEFROST THERMISTOR
RT61
DEFROST THERMISTOR
RT61
R. V. COIL
21S4
FUSE
F61
VARISTOR
NR61
Q'ty/unit
MUH-07RV
E1
- E2 - E3
1
1
1
1
1
1
1
1
1
MUH-09RV
- E1 - E2 - E3
1
1
1
1
1
1
1
1
MUH-12RV
- E1 - E2 - E3
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
2
1
2
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
Remarks
RA6V23RA6V3325+ /440V
30+ /440V
3P
2P
250V 2A
4-10. REMOTE CONTROLLER
12 E02 430 426
REMOTE CONTROLLER
1
1
1
4-11. ACCESSORY PARTS
E02 440 704
E02 444 704
14 E02 440 705
13
DRAIN SOCKET
DRAIN SOCKET
DRAIN CAP
1
1
2
14
1
2
1
2
2
1
1
2
1
2
2
2PCS/SET
OB252A-1.qxp
01.4.4 2:20 PM
Page 15
MUX-10RV - E1 MUX-10RV - E2
4-12. OUTDOOR UNIT FUNCTIONAL PARTS AND AND
ELECTRICAL PARTS AND STRUCTURAL PARTS
9
8
7
6 1 19
3
4-13. REMOTE CONTROLLER
4
5
17
16
21
22
23
24
25
15
26
10
18
30
27
28
20
29
When servicing , cut the tube to the proper length as
4-12. OUTDOOR UNIT
shown in the REFRIGERANT SYSTEM DIAGRAM.
FUNCTIONAL PARTS AND AND ELECTRICAL PARTS AND STRUCTURAL PARTS
No.
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
Parts No.
M21
T2W
T2W
T2W
T2W
T2W
M21
T2W
M21
T2W
T2W
M21
T2W
T2W
T2W
T2W
M21
T2W
T2W
T2W
M21
M21
M21
M21
T2W
T2W
T2W
T92
T2W
601 501
E42 301
E42 388
E39 389
E42 389
E60 375
370 378
459 342
N71 350
304 353
E03 330
B00 340
E60 376
A79 382
418 521
E03 232
478 297
459 630
416 515
E03 293
179 645
463 936
195 648
K08 936
E42 662
E42 661
E03 290
514 200
E03 245
Symbol
in Wiring
Diagram
Parts Name
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
MF
21R1
21R2
21R
TB
TB
52C1,52C2
C2
C1
51C
TB
F12,F13
MC
Q'ty / unit
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
4-13. REMOTE CONTROLLER
30
E02 408 426
REMOTE CONTROLLER
2
15
Remarks
MUX-10RV
- E1
- E2
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-
LN
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
OB252A-1.qxp
01.4.4 2:20 PM
Page 16
4-14. OUTDOOR UNIT
FUNCTIONAL PARTS AND AND ELECTRICAL PARTS AND STRUCTURAL PARTS
MUX-18RV - E1 MUX-18RV - E2
2
27
17 16 12
8
11 10 7 28
6
5
1
15
14
13
9
18
19
24
25
24
25
20
21
3
22
23
31
4
4-15. REMOTE CONTROLLER
37
16
26
28
35
30
OB252A-1.qxp
01.4.4 2:20 PM
Page 17
MUX-18RV - E1 MUX-18RV - E2
4-14. OUTDOOR UNIT
FUNCTIONAL PARTS AND AND ELECTRICAL PARTS AND STRUCTURAL PARTS
Part number that is circled are not shown in the illustration.
Symbol
in Wiring
Diagram
Parts Name
Q'ty / set
MUX-18RV
- E1
- E2
No.
Parts No.
1
T2W 510 232
CABINET
1
1
2
M21 B57 249
SIDE PANEL
1
1
3
T2W 466 509
OUTER NOZZLE
1
1
4
M21 K59 245
SERVICE PANEL
1
1
5
T2W E41 291
BACK PANEL
1
1
6
T2W E60 375
TERMINAL BLOCK
TB2
1
1
7
T2W E60 376
TERMINAL BLOCK
TB
1
1
8
T2W 304 353
COMPRESSOR CAPACITOR
C1,2
2
2
17µF 440V
9
M21 W16 350
OUTDOOR FAN CAPACITOR
C3
1
1
3µF 440V
10
T2W 813 342
OUTDOOR FAN RELAY
X11,X12
2
2
LY-2F
11
T2W 459 342
CONTACTOR
52C1,52C2
2
2
12
M21 B19 515
MOTOR SUPPORT
1
1
13
T2W A23 490
SOLENOID COIL
21R
1
1
14
T2W E41 489
SOLENOID COIL(B)
21R1
1
1
15
T2W E41 488
SOLENOID COIL(C)
21R2
1
1
16
T2W A73 301
OUTDOOR FAN MOTOR
MF
1
1
17
R01 093 115
PROPELLER FAN
1
1
18
M21 179 645
SOLENOID VALVE
2
2
19
M21 195 648
SOLENOID VALVE
1
1
20
M21 K59 662
STOP VALVE(LIQUID)
1
1
21
M21 K59 661
STOP VALVE(GAS)
1
1
22
T2W 689 665
STOP VALVE(LIQUID)
1
1
23
T2W 689 667
STOP VALVE(GAS)
1
1
24
M21 L01 666
UNION(1/4)
2
2
25
M21 SJ4 667
UNION(3/8)
2
2
26
T92 514 200
COMPRESSOR
2
2
27
T2W A74 630
OUTDOOR HEAT EXCHANGER
1
1
28
M21 S07 936
CAPILLARY TUBE ([3.0X[1.6X1,400)
3
3
[3.0X[1.6X1,000
[3.0X[1.6X1,100
29
M21 G46 936
CAPILLARY TUBE ([3.0X[1.6X800)
1
1
[3.0X[1.6X300
30
M21 B93 936
CAPILLARY TUBE ([3.0X[1.4X1,100)
1
1
[3.0X[1.4X1,100
31
T2W E03 330
OVERCURRENT RELAY
51C1,51C2
2
2
G4F11123T
32
T2W E61 377
TERMINAL BLOCK
TB3
1
1
33
M21 370 378
TERMINAL BLOCK
2
2
34
M21 B00 340
RELAY
3
3
35
T2W E06 290
BASE
1
1
MC1,MC2
X1,X2,52CA
Remarks
RA6V50 -
KH-134VLL
3
3
F12,F13,F14
36 T2W A79 382 FUSE
2A 250V
When servicing , cut the tube to the proper length as shown in the REFRIGERANT SYSTEM DIAGRAM.
4-15. REMOTE CONTROLLER
37
E02 408 426
REMOTE CONTROLLER
2
17
OB252A-1.qxp
01.4.4 2:20 PM
Page 18
4-16. OUTDOOR UNIT
FUNCTIONAL PARTS AND ELECTRICAL PARTS
MUX-24RV - E1 MUX-24RV - E2
1
2
8
18
7
13
4-17. REMOTE CONTROLLER
11
19
17
14
10
12
4
6
5
3
15
9
4-16. OUTDOOR UNIT FUNCTIONAL PARTS AND ELECTRICAL PARTS
Part number that is circled is not shown in the illustration.
No.
Parts No.
1
T2W E44 301
FAN MOTOR
2
M21 17A 501
PROPELLER FAN
3
T2W E44 388
SOLENOID COIL
4
T2W E44 389
5
T2W E38 388
6
Symbol
in Wiring
Diagram
Parts Name
MF
Q'ty / unit
MUX-24RV
- E1
- E2
1
1
Remarks
1
1
21R1
1
1
SOLENOID COIL
21R2
1
1
SOLENOID COIL
21R3
1
1
T2W E38 389
SOLENOID COIL
21R4
1
1
7
T2W E37 388
SOLENOID COIL
21RA
1
1
8
T2W E37 389
SOLENOID COIL
21RB
1
1
9
T2W 813 342
FAN MOTOR RELAY
X11,X12
2
2
LY-2F
10
M21 B00 340
RELAY
X1,X2,X3,X4
4
4
G4F11123T-MT
11
T2W 459 342
COMPRESSOR RELAY
4
4
AC200/240V
1
1
3=/440V
30=/420V
52C1,52C2
52C3,52C4
12
T2W E06 353
FAN MOTOR CAPACITOR
13
T2W A62 353
COMPRESSOR CAPACITOR
C1
1
1
14
T2W E62 375
TERMINAL BLOCK
TB
1
1
15
T2W E44 375
TERMINAL BLOCK
4
4
6
6
1
1
3.15A 250V
1
1
25=/420V
TB1,TB2
TB3,TB4
16
M21 020 378
TERMINAL BLOCK
17
T2W E08 381
FUSE
18
T2W 779 353
COMPRESSOR CAPACITOR
TB5,6,7,8,9,10
C2
4-17. REMOTE CONTROLLER
19
E02 408 426
REMOTE CONTROLLER
3
18
OB252A-1.qxp
01.4.4 2:20 PM
Page 19
4-18. OUTDOOR UNIT
STRUCTURAL PARTS
MUX-24RV - E1 MUX-24RV - E2
1
4
2
8
5
6
7
17
18
19
14
10 23 13
3
11
20
21 15 16
12
9
Part number that are circled is not shown in the illustration.
Symbol
in Wiring
Diagram
Parts Name
Q'ty / unit
MUX-24RV
- E1
- E2
1
1
No.
Parts No.
Remarks
1
T2W E44 232
FRONT PANEL
2
T2W E44 521
OUTER NOZZLE
1
1
3
T2W E44 245
SERVICE PANEL
1
1
4
T2W E44 249
SIDE PANEL
1
1
5
T2W E44 297
TOP PANEL
1
1
6
T2W E44 523
REAR GUARD
1
1
7
T2W E44 248
REAR PANEL
1
1
8
T2W E44 630
HEAT EXCHANGER
1
1
9
T2W E44 290
BASE
1
1
10
M21 51E 515
MOTOR SUPPORT
1
1
11
T92 702 600
COMPRESSOR(A,B)
MC2
1
1
RH-174VGH
12
T92 531 600
COMPRESSOR(C,D)
MC1
1
1
RH-231VHA
13
M21 179 645
SOLENOID VALVE(A,B)
4
4
14
M21 21J 662
STOP VALVE(LIQUID)
4
4
15
M21 00L 661
STOP VALVE
2
2
16
M21 00A 661
STOP VALVE
2
2
17
T2W E44 648
SOLENOID VALVE
2
2
18
T2W E44 641
PIPE A S. V
1
1
19
T2W E44 643
S. V HEADER A
1
1
20
T2W E44 642
PIPE B S. V
1
1
21
T2W E44 644
S. V HEADER B
1
1
LIQUID
22
M21 K47 936
CAPILLARY TUBE ([3.0O[1.6O800)
2
2
[3.0O[1.6O420
[3.0O[1.6O650
23
M21 AJ2 936
CAPILLARY TUBE ([3.0O[1.6O1100)
2
2
[3.0O[1.6O1000
When servicing, cut the tube to the proper length as shown in the REFRIGERANT SYSTEM DIAGRAM.
19
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Page 20
4-19. OUTDOOR UNIT
STRUCTURAL AND FUNCTURAL PARTS
MXZ-18RV - E1 MXZ-18RV - E2
3
16
8
12 26 25 23
7
24
5
10
22
17 18
20
21
19
2
9
1
Part number that are circled are not shown in the illustration.
No.
Parts No.
15
11
Symbol
in Wiring
Diagram
Parts Name
13
14
Q'ty / unit
MXZ-18RV
- E1
- E2
1
M21 LL4 232
FRONT PANEL
1
1
2
M21 LL4 521
FAN GUARD
1
1
3
M21 LL4 297
TOP PANEL
1
1
4
M21 LL4 245
SERVICE PANEL
1
1
5
R01 A00 662
SIDE PANEL
1
1
6
M21 LL4 248
REAR PANEL
1
1
7
T2W E65 523
REAR GUARD
1
1
8
M21 SJ4 630
OUTDOOR HEAT EXCHANGER
1
1
9
M21 SJ4 290
BASE ASSEMBLY
1
1
10
T2W A70 009
HANDLE
2
2
11
T2W A69 009
HANDLE
1
1
12
T2W A70 515
MOTOR SUPPORT
1
1
13
T2W E65 212
LABEL
1
1
14
T92 669 452
COMPRESSOR
1
1
15
M21 LL4 501
PROPELLER FAN
16
T2W E41 301
OUTDOOR FAN MOTOR
17
M21 LL4 488
18
M21 LL4 487
19
M21 LL4 646
20
M21 SJ4 667
21
M21 SJ4 666
22
T2W A64 668
23
MC
1
1
MF
1
1
EXPANSION VALVE (COIL)
LEV. A
1
1
EXPANSION VALVE (COIL)
LEV. B
1
1
EXPANSION VALVE
2
2
UNION (3/8F)
2
2
UNION (1/4F)
2
2
BALL VALVE (3/8)
2
2
T7W 250 403
4-WAY VALVE
1
1
24
T2W E41 646
HIGH PRESSURE SWITCH
1
1
25
M21 LL4 939
ACCUMULATOR
1
1
26
M21 LL4 938
MUFFLER
1
1
27
M21 986 936
CAPILLARY TUBE ([4.0✕[2.4✕2000)
1
1
28
HPS
4
Remarks
RHV - 207FEM
RA6V50-
[4.0✕[2.4✕300
[4.0✕[2.4✕400
1
M21 L11 936 CAPILLARY TUBE ([2.0✕[0.6✕1000)
1
[2.0✕[0.6✕500
When servicing, cut the tube to the proper length as shown in the REFRIGERANT SYSTEM DIAGRAM.
20
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Page 21
4-21. REMOTE CONTROLLER AND
ACCESSORY PARTS
4-20. OUTDOOR UNIT ELECTRICAL PARTS
MXZ-18RV - E1 MXZ-18RV - E2
3
4
2
5
14
11
21
20
1
15
7
16
19
8
13
17
10
12
6
4-20. OUTDOOR UNIT ELECTRICAL PARTS
Part number that are circled are not shown in the illustration.
No.
Parts No.
1
M21 A19 447
DIODE MODULE
2
M21 U48 362
CURRENT DETECTING RESISTOR
3
T2W E22 341
DIODE STACK
4
T2W A70 356
SMOOTHING CAPACITOR
5
T2W A70 357
POWER FACTOR CAPACITOR
6
M21 LL4 424
NOISE FILTER
7
T2W E41 309
FIN TEMPERATURE THERMISTOR
8
M21 V47 443
Symbol
in Wiring
Diagram
Parts Name
Q'ty / unit
MXZ-18RV
- E1
- E2
Remarks
DS63
1
1
R65
1
1
DS61
1
1
C67
1
1
100+ 400V
C61
1
1
1800+ 400V
NF61
1
1
RT63
1
1
POWER TRANSISTOR MODULE
TR
1
1
9
T2W E58 375
TERMINAL BLOCK
TB
1
1
10
T2W E58 376
TERMINAL BLOCK
TB
2
2
11
T2W E58 451
ELECTRONIC CONTROL P.C. BOARD
1
1
12
T2W E41 441
RELAY P.C. BOARD
13
T2W A70 337
REACTOR
14
T2W E41 398
15
T2W E41 307
16
T2W E41 308
17
T2W E55 309
18
T2W E22 425
NOISE FILTER
19
T2W E41 306
1
1
L
1
1
R.V. COIL
21S4
1
1
SUCTION TEMPERATURE THERMISTOR
RT66
1
1
DEFROST TEMPERATURE THERMISTOR
RT61
1
1
DISCHARGE TEMPERATURE THERMISTOR
RT62
1
1
NF62
1
1
RT64,65
1
1
GAS PIPE TEMPERATURE THERMISTOR
SUCTION EVAPORATION
4-21. REMOTE CONTROLLER AND ACCESSORY PARTS
20
E02 430 426
REMOTE CONTROLLER
2
21
T2W E59 704
DRAIN SOCKET ASSEMBLY
1
21
1
DRAIN SOCKET O1
DRAIN CAP O2
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Page 24
HEAD OFFICE: MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
C Copyright 2000 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD
Distributed in Mar. 2001. MEE No. OB252 REVISED EDITION A 249
Issued in Mar. 2000. No.OB252 543
Made in Japan
New publication, effective Mar. 2001
Specifications subject to change without notice.
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