Mitsubishi Electric MSZ-EF25VES Service Manual download pdf (Page 50)

OPERATING PROCEDURE PHOTOS

4. Removing the discharge temperature thermistor,

defrost thermistor, outdoor heat exchanger tempera-

ture thermistor and ambient temperature thermistor

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

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

connectors:

CN641 (Defrost thermistor and discharge temperature ther-

mistor)

CN643 (Ambient temperature thermistor)

CN644 (Outdoor heat exchanger temperature thermistor)

(3) Pull out the discharge temperature thermistor from its hold-

er.

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

(5) Pull out the outdoor heat exchanger temperature thermistor

from its holder.

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

Photo 6

Photo 7

Photo 8

5. Removing outdoor fan motor

(1)

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

(2) Disconnect the following connectors:

CN931 and CN932 (Fan motor)

(3) Remove the propeller nut.

(4) Remove the propeller.

(5) Remove the screws fixing the fan motor.

(6) Remove the fan motor.

6. Removing the compressor and 4-way valve

(1)

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

(2) Remove the back panel. (Refer to 1.)

(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 kg/cm

(0 MPa).

(5) Detach the brazed part of the suction and the discharge

pipe connected with compressor.

(6) Remove the compressor nuts.

(7) Remove the compressor.

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

Screws of the

outdoor fan motor

Brazed part of the

discharge pipe

Brazed part of the

suction pipe

Discharge temperature

thermistor

Outdoor heat

exchanger tempera-

ture thermistor

Ambient tem-

perature

thermistor

Defrost thermistor

Propeller nut

1 2 ... 45 46 47 48 49 50 51 52

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Mitsubishi Electric MSZ-EF25VES Service Manual Page 50

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