Mitsubishi MCFZ-A18WV Service Manual download pdf (Page 45)

OPERATING PROCEDURE

PHOTOS

2. Removing the inverter assembly, inverter P.C. board

and power board

(1) Remove the top panel, cabinet and service panel.

(Refer to 1.)

(2) Remove the back panel.(Refer to 1.)

(3) Disconnect the following connectors;

CN931 and CN932 (Fan motor)

CN975 (LEV)

CN661 (Discharge temperature thermistor, defrost

thermistor and outdoor heat exchanger

temperature thermistor)

CN912 (4-way valve)

(4) Remove the compressor connector.

(5) Remove the screws fixing the relay panel.

(6) Remove the inverter assembly.

(7) Disconnect all connectors and lead wires on the electronic

control P.C. board.

(8) Remove the electronic control P.C. board from the inverter

assembly.

(9) Remove the screws fixing the power board assembly.

(10)

Disconnect all connectors and lead wires on the power

board.

(11)

Remove the power board from the inverter assembly.

(12)

Disconnect all connectors and lead wires on the noise filter

P.C. board.

(13)

Remove the noise filter P.C. board from the inverter

assembly.

Photo 4

3. Removing R.V. coil

(1) Remove the top panel, cabinet and service panel.

(2) Remove the back panel. (Refer to 1.)

(3) Remove the inverter assembly. (Refer to 2.)

(4) Remove the R.V. coil. (Photo 9)

Screws of the relay panel

Screws of the power board assembly

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Mitsubishi MCFZ-A18WV Service Manual Page 45