M-Series MUZ-GE Technical & Service Manual

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:

CN602 (R.V. coil) (MUZ)

CN671 (Defrost thermistor (MUZ), discharge temperature

thermistor and outdoor heat exchanger temperature

thermistor)

CN672 (Ambient temperature thermistor)

CN724 (LEV)

CN931, CN932 (Fan motor)

(3) Remove the compressor connector.

(4) Remove the screws fixing the relay panel.

(5) Remove the relay panel.

(6) Remove the ground wires and the lead wires of the inverter

P.C. board.

(7) Remove the screw of the PB support.

(8) Remove the inverter P.C. board from the relay panel.

Photo 4

3. Removing R.V. coil

(1) Remove the cabinet and panels. (Refer to 1.)

(2) Disconnect the following connector:

CN602 (R.V. coil) (MUZ)

(3) Remove the R.V. coil.

Photo 5

Screws of the

PB support

Screws of the

relay panel

Inverter P.C.

board

Ground wires

Screw of the

relay panel

Screws

of the PB

support

Brazed parts of

4-way valve

Screw of the

R.V. coil (MUZ)

OBH549G