Mitsubishi Electric MSZ-FD VA Series Service Manual page 61

OPERATING PROCEDURE
5. Removing the compressor and 4-way valve
(1) Remove the top panel, cabinet and service panel. (Refer to
1.)
(2) Remove the back panel. (Refer to 1.)
(3) Remove the inverter assembly. (Refer to 2.)
(4) Recover gas from the refrigerant circuit.
NOTE:
Recover gas from the pipes until the pressure gauge
shows 0 MPa.
(5) Detach the welded part of the suction and the discharge
pipe connected with compressor.
(6) Remove the compressor nuts.
(7) Remove the compressor.
(8) Detach the welded part of 4-way valve and pipe.
6. Removing R.V. coil
(1) Remove the top panel, cabinet and service panel. (Refer to
1.)
(2) Remove the back panel. (Refer to 1.)
(3) Disconnect the following connectors:
<Noise filter P.C. board>
CN912 (R.V. coil)
(4) Remove the R.V. coil.
Photo 7
Welded part of the
discharge pipe
Photo 8
Welded parts of 4-way valve
61
PHOTOS
Discharge temperature
thermistor
Welded part of the
suction pipe
R.V. coil