Mitsubishi Electric MXZ-A18WV Service Manual page 72

OPERATING PROCEDURE
3. Removing the Outdoor Electronic control P.C. board.
(1) Remove the top panel, service panel and front panel.
(2) Remove the connector coming out of the compressor.
(3) Remove the compressor connector, compressor relay
connector on the electronic control P.C. board side,
terminal of reactor and terminals of TAB4 and X64 of the
noise filter P.C. board coming out of the electronic control
P.C. board. (Fig. 1)
(4) Remove the screw fixing the cover of the electronic control
P.C. board.
(5) Remove the cover of the electronic control P.C. board.
(6) Remove the screw fixing the heat sink.
(7) Remove the hooks fixing the electronic control P.C. board.
(8) Disconnect all the connectors and the terminal on the
electronic control P.C. board.
(9) Remove the electronic control P.C. board.
Fig. 1
Push up the connector by holding
the part shown by the arrows.
4. Removing the propeller and fan motor
(1) Remove the top panel, service panel and front panel.
(2) Remove the fan motor connector (CN911) from the noise
filter P.C. board.
Remove the inverter assembly and then lead wires from
cable clamp.
(3) Remove the propeller nut.
(4) Remove the propeller.
(5) Remove the screws of fan motor.
(6) Remove the fan motor
Compressor
connector
Relay panel
72
PHOTOS
Photo 5
Screws of fan motor
Propeller
Propeller nut
Photo 6
Screw of heat sink
Photo 7
Cable clamp
Screws of the cover
TAB4
Terminal of
reactor
X64
hooks