Mitsubishi Electric MUZ-GE25VA-a1 Service Manual page 90

OPERATING PROCEDURE
2. Removing the inverter assembly, inverter P.C. board
(1) Remove the cabinet and panels. (Refer to 1.)
(2) Disconnect the lead wire to the reactor and the following con-
nectors:
<Inverter P.C. board>
CN721 (R.V.coil)
CN931, CN932 (Fan motor)
CN641 (Defrost thermistor and discharge temperature ther-
mistor)
CN643 (Ambient temperature thermistor)
CN644 (Outdoor heat exchanger temperature thermistor)
CN724 (LEV)
(3) Remove the compressor connector (CN61).
(4) Remove the screws fixing the relay panel.
(5) Remove the inverter assembly.
(6) Remove the screw of the earth wire and screw of the
T.B.support.
(7) Remove the screw of the PB fixture.
(8) Remove the relay panel from the PB support.
(9) Remove the inverter P.C. board from the inverter assembly.
3. Removing R.V. coil
(1) Remove the cabinet and panels. (Refer to 1.)
(2) Disconnect the following connectors:
<Inverter P.C. board>
CN721 (R.V. coil)
(3) Remove the R.V. coil.
OBH532E
Photo 3
Photo 4 (Inverter assembly)
Heat sink
Hook of the
PB support
Hook of the
Relay panel
PB support
Photo5
Brazed parts of 4-way valve
90
PHOTOS
Screws of the
relay panel
Inverter P.C.
Screw of the
board
T.B. support
PB support
T.B. support
Screw of the
earth wire
Screw of the
PB fixture
Screw of the
R.V. coil
Screws of
the reactor