Mitsubishi Electric MUZ-FE09NA Service Manual page 42

OPERATING PROCEDURE
2. Removing the inverter assembly, inverter P.C. board
(1) Remove the cabinet and panels. (Refer to section 1.)
(2) Disconnect the lead wire to the reactor and the following con-
nectors:
<Inverter P.C. board>
CN602 (R.V. coil)
CN671 (Defrost thermistor, 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 screws of the PB support.
(8) Remove the inverter P.C. board from the relay panel.
3. Removing R.V. coil
(1) Remove the cabinet and panels. (Refer to section 1.)
(2) Disconnect the following connector:
<Inverter P.C. board>
CN602 (R.V. coil)
(3) Remove the R.V. coil.
OBH543G
PHOTOS/FIGURES
Photo 4
Inverter P.C
Ground wires
board
Screws
of the PB
support
Screws of the
relay panel
Photo 5
42
Screw of the
relay panel
Screws of the
PB support
Screw of the
R.V. coil
Brazed parts of
4-way valve