Mitsubishi Electric Mr. Slim PUHZ-SHW230YKA Service Manual page 51

OPERATING PROCEDURE
12. Removing the power receiver
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Remove 2 front cover panel fixing screws (5 × 12) and
remove the front cover panel.
(4) Remove 4 back cover panel fixing screws (5 × 12) and
remove the back cover panel.
(5) Remove the electrical parts box. (See Photo 4)
(6) Remove 3 valve bed fixing screws (4 × 10) and 4 ball valve
and stop valve fixing screws (5 × 16) and then remove the
valve bed.
(7) Remove 3 right side panel fixing screws (5 × 12) in the
rear of the unit and then remove the right side panel.
(8) Recover refrigerant.
(9) Remove 4 welded pipes of power receiver inlet and outlet.
(10) Remove 2 receiver leg fixing screws (4 × 10).
Note: Recover refrigerant without spreading it in the air.
13. Removing the pressure sensor (63HS)
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Pull out the lead wire of pressure sensor.
(4) Remove the band that is fixing the rubber mount and the
sensor.
(5) Recover refrigerant.
(6) Remove the welded part of pressure sensor.
Note 1: Recover refrigerant without spreading it in the
air.
Note 2: The welded part can be removed easily by
removing the right side panel.
Note 3: When installing the pressure sensor, make sure
to 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.
OCH534
Photo 10
Valve bed
fixing screw
Valve bed
Separator
Compressor
Separator fixing
screw
Compressor fixing nuts
Photo 11
Figure 3
High pressure
sensor (63HS)
Rubber mount
51
PHOTOS
Power receiver
Valve bed
fixing screws
Power receiver
leg fixing screws
Inlet pipe
Outlet pipe
Power receiver
High pressure
switch (63H)
4-way valve
Low pressure
switch (63L)
Muffler
Fixing band
Compressor
(MC)