MITSUBISHI ELECTRIC MUY-GE09NA - Manual (Page 44)

44
OPERATING PROCEDURE PHOTOS
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:
CN721 (R.V.coil) (MUZ)
CN931, CN932 (Fan motor)
CN641 (Defrost thermistor (MUZ) and discharge temperature
thermistor)
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. (Photo 3)
(5) Remove the inverter assembly. (Photo 4)
(6) Remove the screw of the ground wire and screw of the
T.B.support. (Photo 4)
(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.
Photo 3
Photo 4 (Inverter assembly)
Photo5
3. Removing R.V. coil
(1) Remove the cabinet and panels. (Refer to 1.)
(2) Disconnect the following connectors:
CN721 (R.V. coil) (MUZ)
(3) Remove the R.V. coil. (Photo 5)
Welded parts of 4-way valve
R.V. coil (MUZ)
Screws of the
relay panel
Screws of
the reactor
Heat sink
T.B.support
Hook of the
PB support PB support
Hook of the
PB support
Relay panel
Screw of the
PB fixture
Screw of the
T.B.support
Inverter P.C.
board
Screw of the
ground wire