Mitsubishi Electric MCF-A12WV-E1 Page 18 Service Manual Download | Manualshive

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18

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SIROCCO FAN
FAN MOTOR RUBBER MOUNT
INDOOR FAN MOTOR
INDOOR FAN MOTOR
INDOOR FAN MOTOR
TERMINAL BLOCK
TERMINAL BLOCK
RECEIVER P.C. BOARD
INDOOR COIL THERMISTOR
ELECTRONIC CONTROL P.C. BOARD
ELECTRONIC CONTROL P.C. BOARD
ELECTRONIC CONTROL P.C. BOARD
SWITCH & ROOM TEMPERATURE THERMISTOR P.C. BOARD
VARISTOR
FUSE

2
2
1

1
1
1
1
1

1
1
1

2
2

1

1
1
1
1

1

1
1
1

2
2

1
1
1
1
1

1
1
1
1

MF
MF
MF

TB2
TB1

RT12

NR11

F11

REMOTE CONTROLLER
REMOTE CONTROLLER HOLDER

SW/THERMO

P.C. BOARD

Q'ty/unit

E02 179 500
E02 179 505
E02 227 300
E02 228 300
E02 684 300
E02 824 375
E02 823 375
E02 227 468
E02 324 307
E02 823 452
E02 824 452
E02 825 452
E02 215 328
E02 820 385
E02 127 382

No.

Part No.

Remarks

Part name

Symbol

in Wiring

Diagram

2PCS/SET
RB4V19-
RB4V25-
RB4V36-
3P
3P

3.15A

12
13

1
1

1
1

1
1

E02 823 426
E02 527 083

DISP/RECEIVER

P.C. BOARD

-

E1

(WH)

MCF-GA35VB

-

E1

(WH)

MCF-GA50VB

-

E1

(WH)

MCF-GA60VB

KM04N

3

11-2. INDOOR UNIT

ELECTRICAL PARTS

13

12

11-3. ACCESSORY AND REMOTE CONTROLLER

11-3. ACCESSORY AND

REMOTE CONTROLLER

11-2. INDOOR UNIT ELECTRICAL PARTS

MCF-GA35VB -

(WH)

MCF-GA50VB -

(WH)

MCF-GA60VB -

(WH)

E1

E1

E1

2

2

1

1

5

OB382--1.qxp 04.12.21 16:46 Page 18

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Summary of Contents for MCF-A12WV-E1

Page 1: ...CTIONS 15 11 PARTS LIST 17 12 OPTIONAL PARTS 19 Wireless type Models MCF GA35VB WH MCF GA50VB WH MCF GA60VB WH E1 E1 E1 No OB382 When installed on the ceiling When installed on the floor FLOOR AND CEILING TYPE AIR CONDITIONERS Indication of model name MCF GA35VB MCF GA50VB MCF GA60VB E1 E1 E1 NOTE This service manual describes technical data of indoor units As for outdoor units MUCF GA35VB MUCF GA...

Page 2: ...ion indicator lamp Horizontal vane Vertical vanes Emergency operation switch When installed on the ceiling ACCESSORIES Item Installation plate Unit fixing screw 5 o 12mm Wireless remote controller Remote controller holder Fixing screw for 3 5 o 16mm Black Battery AAA for remote controller Drain hose Drain pipe cover Knockout cover Screw for 4 o 10mm 2 2 1 1 2 2 1 1 1 2 Q ty 2 MCF A12WV MCF GA35VB ...

Page 3: ...ESET CLOCK FAN ECONO COOL ECONO COOL button Open the front lid Signal transmitting section Operation display section OPERATE STOP ON OFF button TEMPERATURE buttons OPERATION SELECT button FAN SPEED CONTROL button OFF TIMER button HR button MIN button TIME SET button ON TIMER button RESET button VANE CONTROL button CLOCK SET button Indication of remote controller model is on back ...

Page 4: ...RB4V25 AC WHT BLK 182 2 BLK YLW 68 9 YLW BLU 47 5 BLU BRN 31 5 BRN RED 22 9 1 100O650O180 25 5 46 41W 36W 1 240 1 060W 845W 3 10 10 KM04N MCF GA60VB E1 Cooling Single phase 230V 50Hz 840 744W 642W 0 36 80 97 0 36 RB4V36 DB WHT BLK 84 BLK YLW 46 2 YLW BLU 37 2 BLU BRN 45 2 BRN RED 13 6 48 45W 42W 1 320 1 190W 1 060W Electrical data Fan motor Special remarks Capacity MCF GA35VB E1 Cooling Single pha...

Page 5: ... 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 0002 MICRO BAR BAND CENTER FREQUENCIES Hz APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE Test conditions Cooling Dry bulb temperature 27 Wet bulb temperature 19 High 44 SPL dB A LINE FAN SPEED MCF GA35VB E1 MCF GA50VB E1 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...

Page 6: ... MV NR11 RT11 RT12 C11 F11 HIC1 MF INDOOR FAN CAPACITOR FUSE 3 15A DC DC CONVERTER INDOOR FAN MOTOR INNER FUSE SYMBOL SYMBOL SYMBOL NAME NAME NAME MODELS WIRING DIAGRAM NOTE 1 About the outdoor side electric wiring refer to the outdoor unit electric wiring diagram for servicing 2 Use copper conductors only For field wiring 3 Symbols below indicate Terminal block Connector OUTLINES AND DIMENSIONS 6...

Page 7: ...coil thermistor RT12 Indoor heat exchanger Distributor Flared connection Room temperature thermistor RT11 Indoor coil thermistor RT12 Flared connection Refrigerant pipe 12 7 with heat insulator Refrigerant pipe 6 35 with heat insulator INDOOR UNIT MCF GA35VB E1 Indoor heat exchanger Distributor Flared connection Room temperature thermistor RT11 Indoor coil thermistor RT12 Flared connection Refrige...

Page 8: ... 1 unit No 2 unit No 3 unit No 4 unit 1 unit operation No modification 2 units operation Same as at left Solder J1 3 units operation Same as at left Same as at left Solder J2 4 units operation Same as at left Same as at left Same as at left Solder both J1 and 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 pres...

Page 9: ...o 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 When the indoor unit is controlled with the remote controller the o...

Page 10: ...he remote controller and then after con firming the horizontal vane is closed turn off the breaker and or disconnect the power plug 2 Be sure to turn OFF the power supply before removing the front panel the cabinet the top panel and the electronic control P C board 3 When removing the electronic control P C board hold the edge of the board with care NOT to apply stress on the com ponents 4 When co...

Page 11: ...heck room tempreture thermistor and indoor coil thermistor Refer to 9 6 Test point diagram and voltage When the remote controller is pressed or when the EMERGENCY OPERATION switch is pressed the fan doesn t rotate with OPERATION INDICATOR lamp on Refer to 9 5 A Check of indoor fan motor As for outdoor unit MUCF type refer to service manual OB383 w Before checking the outdoor unit make sure if any ...

Page 12: ... Trouble criterion of main parts Part name Indoor coil thermistor RT12 Indoor fan motor MF INNER FUSE 145 i 5 CUT OFF Check method and criterion Measure the resistance with a tester Part temperature 10 C 30 C Figure Normal 8kΩ 20kΩ Abnormal Open or short circuit Vane motor MV Measure the resistance between the terminals with a tester Part temperature 10 C 30 C BLK RED ORN YLW BLU BRN WHT GRN YLW F...

Page 13: ...ure the voltage between receiver P C board connector No 2 and No 1 when remote controller button is pressed Is the voltage approx 4V DC No 5V DC or 0V DC Replace the receiver No not clear Yes Yes No OK No Yes Yes Yes No Replace the indoor electronic control P C board No w Check if the remote controller is exclusive for this air conditioner Check of indoor electronic control P C board C The unit do...

Page 14: ...ge MCF GA35VB MCF GA50VB MCF GA60VB E1 E1 E1 Indoor electronic control P C board Fan motor power supply 230V AC 6 5 4 3 2 1 Med High Fuse F11 250V AC 3 15A Power supply input 230V AC 12V DC 5V DC Time short point JPG and JPS Refer to 8 1 Indoor coil thermistor RT12 Room temperature thermistor RT11 Low Release of AUTO RESTART FUNCTION Solder jumper wire to the JR07 Refer to 8 3 Room temperature the...

Page 15: ...co fan and the indoor fan motor Photo 1 Photo 2 Photo 4 Screws Electronic box Fan casing upper Indoor fan motor Screws Fan casing upper Motor band Terminal block MCF GA35VB MCF GA50VB MCF GA60VB INDOOR UNIT E1 E1 E1 Photo 3 Grille Electronic control P C board 1 Slide the sleeve and check if there is a locking lever or not 2 The terminal with this connector has the locking mechanism 1Slide the slee...

Page 16: ...lectronic box Refer to 1 5 Remove the indoor fan motor Refer to 2 6 Remove the screws of the motor support 7 Remove the fan casing Iower 8 Remove the insulation of the drain pan and remove the screws See Photo 7 9 Remove the screws under the drain pan See Photo 8 10 Remove the drain pan 11 Remove the indoor heat exchanger Photo 5 Photo 6 Photo 7 Photo 8 Screws Insulation of drain pan and screws sc...

Page 17: ...TCH WH 12 7 15 88 6 35 3PCS SET 1 1 2 1 1 1 2 2 1 1 1 1 1 1 1 3 1 1 2 1 1 1 2 2 1 1 1 1 1 1 1 3 1 1 2 1 1 1 2 2 1 1 1 1 1 1 1 3 MV E02 227 303 E02 179 971 E02 179 100 E02 179 010 E02 179 000 E02 215 700 E02 179 237 E02 179 238 E02 179 667 E02 138 666 E02 179 972 E02 138 667 E02 179 231 E02 227 235 E02 823 620 E02 824 620 E02 227 040 E02 179 142 No Part No Remarks Part name Symbol in Wiring Diagram...

Page 18: ...NR11 F11 REMOTE CONTROLLER REMOTE CONTROLLER HOLDER SW THERMO P C BOARD Q ty unit E02 179 500 E02 179 505 E02 227 300 E02 228 300 E02 684 300 E02 824 375 E02 823 375 E02 227 468 E02 324 307 E02 823 452 E02 824 452 E02 825 452 E02 215 328 E02 820 385 E02 127 382 No Part No Remarks Part name Symbol in Wiring Diagram 2PCS SET RB4V19 RB4V25 RB4V36 3P 3P 3 15A 12 13 1 1 1 1 1 1 E02 823 426 E02 527 083 ...

Page 19: ...capacity or cause condensation at the air outlet The air cleaning filter is disposable The standard usable term is about 4 months However if the color of the filter turns to dark brown replace soon Remove the air filter and the deodorizing filter together Separate the deodorizing filter gray sponge type from the air filter Remove the air filter and the air cleaning filter together Separate the air...

Page 20: ...Specifications subject to change without notice C C Copyright 2004 MITSUBISHI ELECTRIC ENGINEERING CO LTD Distributed in Dec 2004 No OB382 6 Made in Japan HEAD OFFICE MITSUBISHI DENKI BLDG 2 2 3 MARUNOUCHI CHIYODA KU TOKYO100 8310 JAPAN ...

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