Mitsubishi Electric Mr. Slim MUZ-GE15NA-1, Service Manual

Page: 65 / 74

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
connectors:
<Inverter P.C. board>
CN641 (Defrost thermistor
(MUZ)
and discharge tempera-
ture thermistor)
CN643 (Ambient temperature thermistor)
CN644 (Outdoor heat exchanger temperature thermistor)
CN721 (R.V. coil)
(MUZ)
CN724 (LEV)
CN931, CN932 (Fan motor)
(3) Remove the compressor connector (CN61).
(4) Remove the screws fixing the heat sink support and the
separator.
(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 and screw of the ter-
minal 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 remove
the inverter P.C. board from the P.C. board support.
3. Removing R.V. coil (MUZ)
(1) Remove the cabinet and panels. (Refer to 1.)
(2) Disconnect the following connectors:
<Inverter P.C. board>
CN721 (R.V. coil)
(3) Remove the R.V. coil.
65
Photo 6
Discharge temperature thermistor
Photo 4
Photo 5 (Inverter assembly)
Heat sink
Inverter P.C. board
Screw of the heat sink
support and the separator
Screw of the
ground wire
Terminal
block support
R.V. coil
(MUZ)
Heat sink support
P.C. board
support
Screws of the
terminal block
support and the
back panel
Hook of the
P.C. board
support
Hook of the P.C.
board support
Screw of the P.C.
board fixture
Screw of the
terminal block
support
OBH549F