Mitsubishi Electric MXZ-3C24NA Service Manual page 79

OPERATING PROCEDURE
3. Removing the fan motor
(1) Remove the top panel, the service 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 compressor and 4-way valve
(1) Remove the top panel, the service 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 (MXZ-4C)
(6) Remove the screws fixing the electrical parts, and remove
the electrical parts (Photo 4).
(7) Remove the propeller fan.
(8) Remove the screws fixing the separator, and remove the
separator.
(9) Remove the sound proof felt.
(10) Detach the brazed parts of the compressor suction and
discharge pipes (Photo 9).
(11) Remove the compressor nuts and remove the compressor
(Photo 9).
(12) Detach the brazed parts of 4-way valve and pipes.
OBH702A
(0 MPa).
2
Photo 7
Propeller fan
Photo 8
79
PHOTOS
Screws of the outdoor fan motor
4-way valve
R.V. coil
Brazed parts