Mitsubishi Electric MXZ-3E54VA-E1 Service Manual page 122

OPERATING PROCEDURE
3. Removing the fan motor
(1) Remove the service panel, the top panel and the front
panel (Refer to 1).
(2) Disconnect the power supply and indoor/outdoor connect-
ing wire.
(3) Disconnect the connector CNF1 on the outdoor control P.C.
board.
(4) Remove the propeller fan.
(5) Remove the fan motor.
4. Removing the expansion valve
(1) Remove the service panel and the top panel (Refer to 1).
(2) Disconnect the power supply and indoor/outdoor connect-
ing wire.
(Gas recovery is not required if the unit is pumped down.)
(3) Remove the LEV coils.
(4) Detach the brazed parts of expansion valves and pipes.
5. Removing the defrost heater
(1) Remove the service panel, the top panel and the front
panel (Refer to 1.).
(2) Disconnect the power supply and indoor/outdoor connect-
ing wire.
(3) Disconnect the defrost heater lead wires from CN714 on
the outdoor control P.C. board.
(4) Remove the defrost heater lead wires from the lead
clamp.
(5) Remove the screws of the defrost heater.
(6) Remove the heater protector and the defrost heater.
OBH723D
Photo 9
Screws of the outdoor fan motor
Propeller
fan
Screws of
the defrost heater
Screws of the outdoor fan motor
Photo 10
Soundproof
LEV valves
felt
122
PHOTOS
Screws of
the VB fixture
Heater protector
Separator
Screws of
the defrost heater
Expansion
coils