36
OCH688A
OPERATING PROCEDURE
PHOTOS/FIGURES
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)
CN722 (Defrost heater) (SUZ-KA18NAH2)
CN931, CN932 (Fan motor)
CN601(Defrost heater) (SUZ-KA24/30/36NAH2)
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.
(4) Remove the screw fixing the heat sink support and the sepa-
rator.
(5) Remove the fixing screws of the terminal block support and
the back panel.
(6) Remove the inverter assembly.
(7) Remove the screw of the ground wire, screw of the P.C.
board cover and screws of the terminal block support.
(8) Remove the heat sink support from the P.C. board support.
(9) Remove the screw of the inverter P.C. board and the inverter
P.C. board from the P.C. board support.
Photo 5
Photo 6-1 (KA18)
Photo 6-2 (KA24/30/36)
3. Removing R.V. coil
(1) Remove the cabinet and panels. (Refer to 1.)
(2) Disconnect the following connector:
<Inverter P.C. board>
CN721 (R.V. coil)
(3) Remove the R.V. coil.
Photo 7
Screw of the heat sink
support and the separator
Brazed parts of
4-way valve
Screw of
the R.V. coil
Screws of the terminal block
support and the back panel
Heat sink
Screws of
the earth wire
Screw of the inverter P.C. board
Heat sink support
P.C. board support
Inverter P.C. board
Screws of the relay panel
Inverter P.C board
Earth wires
Screws of
the P.B.
support
Screw of
the relay
panel
Screw of the P.B. support
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