Mitsubishi Electric MUZ-GC25VA-E1 Service Manual page 46

OPERATING PROCEDURE
2. Removing the inverter assembly, inverter P.C. board
and power P.C. board
(1) Remove the cabinet and panels. (Refer to 1.)
(2) Disconnect the earth wires (See Photo 3.), the lead wire to
the reactor and the following connectors;
<Power P.C. board>
CN721 (4-way valve)
CN722 (Defrost heater) MUZ-GC35VAH
<Inverter P.C. board>
CN931,CN932 (Fan motor)
CN641 (Defrost thermistor and discharge temperature
thermistor)
CN643 (Ambient temperature thermistor)
CN724 (LEV)
(3) Remove the compressor connector (CN61).
(4) Remove the screws fixing the relay panel. (See Photo 3.)
(5) Remove the inverter assembly. (See Photo 4.)
(6) Remove the inverter P.C. board from the inverter assembly.
(7) Remove the screw fixing the power P.C. board. (See Photo
4.)
(8) Remove the power P.C. board from the inverter assembly.
3. Removing R.V. coil
(1) Remove the cabinet and panels. (Refer to 1.)
(2) Remove the R.V. coil. (See Photo 5.)
4. Removing the discharge temperature thermistor and
defrost thermistor
(1) Remove the cabinet and panels. (Refer to 1.)
(2) Pull out the discharge temperature thermistor from its
holder. (See Photo 5.)
(3) Pull out the defrost thermistor from its holder. (See Photo
6.)
Photo 3
Photo 4 (inverter assembly)
Heat sink
Photo 5
Discharge temperature thermistor
46
PHOTOS
Screws of the
relay panel
Screws of
the earth
wires
Inverter
Power
P.C. board
P.C. board
Screw of the
power P.C. board
R.V. coil