Mitsubishi Electric MUZ-HJ25VA-E2 Service Manual page 58

OPERATING PROCEDURE
4. Removing the discharge temperature thermistor
and the defrost thermistor
(1) Remove the cabinet and the panels. (Refer to 1.)
(2) Disconnect the lead wire to the reactor and the follow-
ing connectors:
<Inverter P.C. board>
CN641 (Defrost thermistor and discharge temperature
thermistor)
(3) Pull out the discharge temperature thermistor from its
holder.
(4) Pull out the defrost thermistor from its holder.
5. Removing the outdoor fan motor
(1) Remove the cabinet and the panels. (Refer to 1.)
(2) Disconnect the following connectors:
<Inverter P.C. board>
CN771 (Fan motor)
(3) Remove the fan motor lead wire from where it is fas-
tened on the separator.
(4) Remove the propeller fan nut.
(5) Remove the propeller fan.
(6) Remove the screws fixing the fan motor.
(7) Remove the fan motor.
6. Removing the compressor and the 4-way valve
(1) Remove the cabinet and the panels. (Refer to 1.)
(2) Remove the inverter assembly. (Refer to 2.)
(3) Remove the screws of the reactor and remove the
reactor.
(4) Remove the screws of the separator and remove the
separator.
(5) Remove the soundproof felt.
(6) Remove the terminal cover and the compressor lead
wire.
(7) Recover gas from the refrigerant circuit.
NOTE:
Recover gas from the pipes until the pressure
gauge shows 0 kg/cm
(8) Detach the brazed part of the suction and the dis-
charge pipe connected with the compressor.
(9) Detach the brazed part of pipes connected with the
4-way valve.
(10) Remove the nuts of compressor legs.
(11) Remove the compressor.
OBH648F
2
(0 MPa).
58
PHOTOS
Photo 6
Suction pipe brazed part
Discharge pipe
Screws of
brazed part
the reactor
Photo 7
Discharge
pipe
brazed
part
4-way valve
brazed part
Photo 8
Propeller fan
Screws of the outdoor fan motor
R.V. coil
Discharge temper-
ature thermistor
Suction pipe 4-way valve
brazed part brazed part
Defrost
thermistor