Removing The Lev; Removing The High Pressure Switch (63H); Removing The Reactor (Dcl) - Mitsubishi Electric PUHZ-P100VHA2 Service Manual

OPERATING PROCEDURE

9. Removing the LEV

(1) Remove the service panel. (See Figure 1)
(2) Remove the top panel. (See Figure 1)
(3) Remove the control box. (Refer to procedure 3)
(4) Remove the valve bed. (Refer to procedure 8)
(5) Remove the side panel (R). (Refer to procedure 8)
(6) Remove the LEV coil. (See Photo 8)
(7) Recover refrigerant.
(8) Remove the welded part of LEV.
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 LEV, cover it with a wet cloth
to prevent it from heating (120°C or more), then
braze the pipes so that the inside of pipes are not
oxidized.

10. Removing the high pressure switch (63H)

(1) Remove the service panel. (See Figure 1)
(2) Remove the top panel. (See Figure 1)
(3) Remove the valve bed. (Refer to procedure 8)
(4) Remove the side panel (R). (Refer to procedure 8)
(5) Pull out the lead wire of high pressure switch.
(6) Disconnect the lead wire of 63H (Yellow) on the controller
circuit board.
(7) Remove the control box. (Refer to procedure 3)
(8) Loosen the clamp on the separator and unbind the lead
wires.
(9) Recover refrigerant.
(10) 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 Figure 1)
(2) Remove the top panel. (See Figure 1)
(3) Remove the control box. (Refer to procedure 3)
(4) Remove 4 reactor fixing screws (4 × 10) and remove the
reactor.
* The reactor is attached to the rear of the control box.
OCH415G
Photo 10
Lead wire of
high pressure switch
Photo 11 (PUHZ-P100VHA2.UK)
Reactor fixing screw
Reactor fixing screws
132
PHOTOS
High pressure switch (63H)
Reactor
(DCL)
Control box