Removing The High Pressure Switch (63H); Removing The Reactor (Acl) - Mitsubishi Electric PUHZ-SW75VHA Service Manual

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 the electrical parts box. (See Photo 3)
(4) Remove 3 right side panel fixing screws (5 × 12) in the
rear of the unit and remove the right side panel.
(5) Pull out the lead wire of high pressure switch.
(6) Recover refrigerant.
(7) 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 (ACL)

(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Remove the electrical parts box. (See Photo 3)
(4) Remove 4 reactor fixing screws (4 × 20) and remove the
reactor.
* The reactor is attached to the rear of the electrical parts box.
OCH533A
PHOTOS
Photo 9
Lead wire of
high pressure switch
Photo 10
Reactor fixing screws
Reactor fixing screws
68
High pressure switch (63H)
Reactor
(ACL)
Electrical parts box