OPERATING PROCEDURE

 

PHOTOS

 

 

4. Removing the discharge temperature thermistor,

Photo 6

 

 

defrost thermistor, outdoor heat exchanger tempera-

 

 

 

 

 

Outdoor heat

Ambient tem-

 

ture thermistor and ambient temperature thermistor

 

exchanger tempera-

 

perature

 

(1) Remove the cabinet and panels. (Refer to 1.)

 

ture thermistor

 

thermistor

 

 

 

 

 

 

(2) Disconnect the lead wire to the reactor and the following

 

 

 

 

 

 

 

 

 

 

connectors:

 

 

 

 

 

<Inverter P.C. board>

 

 

 

 

 

CN641 (Defrost thermistor (MUZ) and discharge tempera-

 

 

 

 

 

ture thermistor)

 

 

 

 

 

CN643 (Ambient temperature thermistor)

 

 

 

 

 

CN644 (Outdoor heat exchanger temperature thermistor)

 

 

 

 

 

(3)Pull out the discharge temperature thermistor from its hold- er. (Photo 8)

(4)Pull out the defrost thermistor from its holder. (Photo 6)

(5)Pull out the outdoor heat exchanger temperature thermistor from its holder. (Photo 6)

(6)Pull out the ambient temperature thermistor from its holder. (Photo 6)

5.Removing outdoor fan motor

(1)Remove the top panel, cabinet and service panel. (Refer to 1.)

(2)Disconnect the following connectors:

 

<Inverter P.C. board>

 

Defrost thermistor

 

CN931 and CN932 (Fan motor)

Photo 7

(MUZ)

 

 

 

(3)

Remove the propeller.

 

 

 

 

 

(4)

Remove the screws fixing the fan motor.

Screws of

(5)

Remove the fan motor.

the outdoor

 

 

fan motor

6. Removing the compressor and 4-way valve

 

 

 

(1)

Remove the top panel, cabinet and service panel. (Refer to Photo 8

 

 

 

1.)

 

 

 

 

Welded part of the

 

Discharge temperature

(2)

Remove the back panel. (Refer to 1.)

 

discharge pipe

 

thermistor

(3)

Remove the inverter assembly. (Refer to 2.)

 

 

 

 

(4)

Recover gas from the refrigerant circuit.

 

 

 

NOTE: Recover gas from the pipes until the pressure gauge

 

 

 

 

shows 0 PSIG.

 

 

 

(5)

Detach the welded part of the suction and the discharge

 

 

 

 

pipe connected with compressor.

 

 

 

(6)Remove the compressor nuts.

(7)Remove the compressor.

(8)Detach the welded part of 4-way valve and pipe. (Photo 5)

Welded part of the suction pipe

45

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Image 45
Mitsubishi Electronics MUZ-GE15NA Ture thermistor and ambient temperature thermistor, Removing outdoor fan motor

MUZ-GE09NA, MUZ-GE15NA, MUY-GE15NA, MUZ-GE18NA, MUZ-GE12NA specifications

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