Mitsubishi Electric Mr Slim PUHZ-RP50VHA4 Service Manual page 155

OPERATING PROCEDURE
10. Removing the high pressure switch (63H) (63H1) (63H2)
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Remove the side panel (R) fixing screws (3 for rear, 5 × 10)
in the rear of the unit and remove the side panel (R) .
(4) Pull out the lead wire of high pressure switch.
(5) Recover refrigerant.
(6) Remove the welded part of high pressure switch.
63H (For RP200)
63H1, 63H2 (For RP250)
Note 1: Recover refrigerant without spreading it in
the air.
Note 2: The welded part can be removed easily by
removing the side panel (R).
Note 3: When installing the parts of refrigerant cir-
cuit, cover it with a wet cloth to prevent it
from heating (100°C or more), then braze
the pipes so that the inside of pipes are
not oxidized.
11. Removing the compressor (MC)
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Remove the cover panel (front) fixing screws (2 for front,
5 × 12) and remove the cover panel (front).
(4) Remove the cover panel (rear) fixing screws (4 for rear,
5 × 12) and remove the cover panel (rear).
(5) Remove the electrical parts box. (See Photo 4)
(6) Remove the valve bed. (See Photo 12)
(7) Remove the side panel (R) fixing screws (3 for rear, 5 × 12)
in the rear of the unit and remove the side panel (R).
(8) Remove the separator fixing screws (3 for front, 4 × 10)
and remove the separator.
(9) Remove the soundproof cover for compressor.
(10) Remove the terminal cover and remove the compressor
lead wire.
(11) Recover refrigerant.
(12) Remove the 3 points of the compressor fixing nut using
a spanner or a adjustable wrench.
(13) Remove the welded pipe of compressor inlet and outlet
and remove the compressor.
Note: Recover refrigerant without spreading it in the air.
Photo 11
OCH451D
Cover panel
(Back)
Cover panel
(Front)
155
PHOTOS
Photo 9 (PUHZ-RP200YKA/RP200YKAR1)
High pressure switch (63H)
(PUHZ-RP250YKA)
High pressure
switch (63H1)
Photo 10
High pressure
switch (63H2)
Compressor
terminal
Compressor
(MC)
Soundproof
cover
Compressor
fixing nut