Mitsubishi Electric Mr.Slim PUHZ-ZRP35VKA Service Manual page 137

OPERATING PROCEDURE
10. Removing the high pressure switch (63H)
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Remove 3 right side panel fixing screws (5 × 12) in the
rear of the unit and remove the right side panel.
(4) Pull out the lead wire of high pressure switch.
(5) Recover refrigerant.
(6) Remove the welded part of high pressure switch.
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 high pressure switch, 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 reactor (DCL)
(1) Remove the service panel. (See Photo 1)
(2) Disconnect the connecting wire from TAB DCL1/DCL2 on
the power circuit board.
(3) Remove 3 right side panel fixing screws (5 × 12) in the
rear of the unit and remove the right side panel.
(4) Remove 4 reactor fixing screws (4 × 10) and remove the
reactor.
12. Removing the compressor (MC)
(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. (See Photo 4.)
(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) then remove the valve
bed.
(7) Remove 3 right side panel fixing screws (5 × 12) in the
rear of the unit then remove the right side panel.
(8) Remove 3 separator fixing screws (4 × 10) and remove
the separator.
(9) Recover refrigerant.
(10) Remove the 3 points of the motor for compressor fixing
nut using a spanner or a adjustable wrench.
(11) Remove the welded pipe of motor for compressor inlet
and outlet then remove the compressor.
Note: Recover refrigerant without spreading it in the air.
OCH527
Photo 9 (PUHZ-ZRP140VKA)
LEV coil (LEV C)
High pressure
switch (63H)
4-way valve
coil (21S4)
Photo 10
Valve bed
Separator
Separator
fixing screw
137
PHOTOS
Reactor
(DCL)
Thermistor
<Outdoor pipe>
(TH33)
4-way valve
Valve
bed fixing
screws
Power
receiver
Compressor
(MC)
Compressor
fixing nut