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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:
<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.
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:
<Inverter P.C. board>
CN721 (R.V. coil)
(3) Remove the R.V. coil.
90
Screws of the
relay panel
Screws of
the reactor
Heat sink
Inverter P.C.
board
Screw of the
earth wire
T.B. support
Screw of the
T.B. support
Hook of the
PB support
PB support
Hook of the
PB support
Relay panel
Screw of the
PB fixture
Brazed parts of 4-way valve
Screw of the
R.V. coil
OBH532E