Mitsubishi Electric PUHZ-W50VHA Service Manual page 119

OPERATING PROCEDURE
15. Removing the compressor (MC)
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Remove the electrical parts box. (See Photo 4, 5)
(4) Remove 3 valve bed fixing screws (4 × 10), 2 valve and
fixing screws (5 × 16) then remove the stay.
(5) Remove cover panel (front) fixing screws (2 for front/5 ×
12) to remove the cover panel (front).
(6) Remove 5 right side panel (R) fixing screws (5 × 12)
(4:rear of the unit/1: right side base) and remove the side
panel (R).
(7) Remove 3 separator fixing screws (4 × 10) and remove
the separator.
(8) Remove the soundproof cover for compressor.
(9) Remove the terminal cover and remove the compressor
lead wire.
(10) Recover refrigerant.
(11) Remove the 3 points of the compressor fixing nut using a
spanner or a adjustable wrench.
(12) Remove the welded pipe of compressor inlet and outlet
then remove the compressor.
Note: Recover refrigerant without spreading it in the air.
16. Removing the power receiver
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Remove the electrical parts box. (See Photo 4, 5)
(4) Remove 3 valve bed fixing screws (4 × 10), 2 valve and
fixing screws (5 × 16) then remove the stay.
(5) Remove cover panel (front) fixing screws (2 for front/5 ×
12) to remove the cover panel (front).
(6) Remove 5 right side panel (R) fixing screws (5 × 12)
(4:rear of the unit/1: right side base) and remove the side
panel (R).
(7) Recover refrigerant.
(8) Remove 4 welded pipes of power receiver inlet and outlet.
(9) Remove 2 receiver leg fixing screws (4 × 10).
Note: Recover refrigerant without spreading it in the air.
OCH439M
PHOTOS/FIGURES
Photo 23
Compressor (MC) Compressor (MC) Compressor (MC)
Terminal cover
Compressor
fi xing nut
119
Pipes of power receiver
Plate heat exchanger Receiver leg
fi xing screw fi xing screw
Power
receiver