Mitsubishi Electric City Multi PUMY-SP112VKM Technical & Service Manual page 143

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. (Refer to procedure 3)
(4) Remove the valve bed by removing the following
screws:
• Valve bed fixing screws (5 × 12): 3 pieces
• Stop valve fixing screws (5 × 16): 4 pieces
(5) Remove 2 cover panel (front) fixing screws (5 × 12) to
remove the cover panel (front).
(6) Remove 5 cover panel (rear) fixing screws (5 × 12) to
remove the cover panel (rear).
(7) Remove 2 side panel (R) fixing screws in the rear of
the panel (5 × 12) and remove the side panel (R).
(8) Remove the comp felt (top) and (body).
(9) Remove the nut on the terminal cover to remove the
terminal cover, and remove the compressor lead wire.
(See Photo18)
(10) Remove the thermistor <Compressor> (TH4).
(11) Recover refrigerant.
(12) Remove the welded pipe of compressor inlet and
outlet.
(13) Remove 3 compressor fixing nuts.
Note 1: Recover refrigerant without spreading it in the
air.
Note 2: When reconnecting the compressor wirings,
ensure that the connection is correct: Check
the color of the wiring and the label on the
terminal block, and connect properly.
16. Removing the accumulator
(1) Remove the service panel. (See Photo 1.)
(2) Remove the top panel. (See Photo 1.)
(3) Remove the electrical parts box. (Refer to procedure 3)
(4) Remove the valve bed. (Refer to the procedure 15(4))
(5) Remove the cover panel (front). (Refer to the
procedure 15 (5))
(6) Remove the cover panel (rear). (Refer to the procedure
15 (6))
(7) Remove the side panel (R). (Refer to the procedure
15 (7))
(8) Recover refrigerant.
(9) Remove the welded pipe of accumulator inlet and outlet.
(10) Remove 2 accumulator fixing screws. (See Photo18)
Note: Recover refrigerant without spreading it in the
air.
OCH668B
PHOTOS/FIGURES
Photo 18
143
Compressor
Accumulator
fixing nut
fixing screw
Compressor
(MC)