Mitsubishi Electric MUZ-GL09NA-U1 Service Manual page 72

OPERATING PROCEDURE
2. Removing the inverter assembly, inverter P.C. board
and relay 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>
CN601 (Defrost heater) (MUZ-GL24NAH)
CN602 (R.V. coil) (MUZ)
CN931, CN932 (Fan motor)
CN671 (Defrost thermistor (MUZ), discharge temperature
thermistor and outdoor heat exchanger temperature
thermistor)
CN672 (Ambient temperature thermistor)
CN724 (LEV)
(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 screws of the P.B. support.
(8) Remove the inverter P.C. board from the P.B. support.
3. Removing R.V. coil (MUZ)
(1) Remove the cabinet and panels. (Refer to 1.)
(2) Disconnect the following connector:
<Inverter P.C. board>
CN602 (R.V. coil) (MUZ)
(3) Remove the R.V. coil.
OBH733D
Photo 5
Inverter P.C.
board
Screws of
the P.B.
support
Screw of the
relay panel
Photo 6
72
PHOTOS
Screw of the
relay panel
Screws of the
P.B. support
Ground wires
Screw of the
relay panel
Screw of the
R.V. coil (MUZ)
Brazed parts of
4-way valve