Mitsubishi Electric MXZ-3E54VA-E1 Service Manual page 115

OPERATING PROCEDURE
5. Removing the compressor and 4-way valve
(1) Remove the service panel, the top panel, the handle (R
Rear), the back panel and the front panel (Refer to 1).
(2) Disconnect the power supply and indoor/outdoor connect-
ing wire, and remove the back panel.
(3) Recover gas from the refrigerant circuit.
NOTE: Recover gas from the pipes until the pressure
gauge shows 0 kg/cm
(4) Disconnect the compressor lead wire from the terminal of
the compressor (U, V, W).
(5) Disconnect the outdoor control P.C. board connectors:
CNF1, CNTH1, CNTH2, CN63H, CN712, CN791, CN792,
CN793, CN794, CN795 (MXZ-5E)
(6) Remove the screws fixing the electrical parts, and remove
the electrical parts (Photo 5).
(7) Remove the propeller fan.
(8) Remove the screws fixing the separator, and remove the
separator.
(9) Remove the soundproof felt.
(10) Detach the brazed parts of the compressor suction pipe
and discharge pipe.
(11) Remove the compressor nuts and remove the compressor.
(12) Detach the brazed parts of 4-way valve and pipes.
OBH723D
(0 MPa).
2
Photo 10
Brazed parts of 4-way valve
and pipes
Photo 11
Discharge pipe brazed part
Suction
pipe
brazed
part
Compressor nuts
115
PHOTOS
4-way valve
R.V. coil