Mitsubishi Electric MXZ-2A20NA-1 Service Manual page 60

12-2. MXZ-3A30NA
OUTDOOR UNIT
OPERATING PROCEDURE
1. Removing the compressor
(1)Remove the screws of the top panel, and remove the top
panel (Photo 1).
(2)Remove the screws of the service panel, and remove the
service panel (Photo 1).
Recover refrigerant gas.
(3)Remove the screws of the front panel, and remove the front
panel.
(4)Disconnect the compressor lead wire from terminal of
compressor (U, V, W).
(5)Disconnect the outdoor electronic control P.C. board
connectors:
CN661, CN662 , CN663, CN681, CN791, CN792, CN793,
CN795, CN931, CN932
Disconnect the noise filter P.C. board connector:
CN912
(6)Remove the screws of the electrical parts, and remove the
electrical parts (Photo 2).
(7)Remove the propeller.
(8)Remove the screws of the separator, and remove the
separator.
(9)Remove the sound proof felt.
(10)Detach the welded parts of the compressor suction and dis-
charge pipes (Photo 3).
(11)Remove the compressor nuts and remove the compressor.
Photo 1
Screws of the top panel
Screws of the front panel
Photo 2
Screws
of the
electrical
parts
Photo 3
LEV coil E
Expansion
valve E
Suction
pipe
welded
part
Discharge
pipe
welded
part
60
PHOTOS
Screws of
service
panel