Mitsubishi Electric Mr.Slim PUHZ-RP35VHA3 Service Manual page 148

OPERATING PROCEDURE
11. Removing bypass valve coil (SV) and bypass valve
(1) Remove the service panel. (See figure 1.)
(2) Remove the top panel. (See figure 1.)
(3) Remove 3 right side panel fixing screws (5
rear of the unit and remove the right side panel.
(4) Remove the bypass valve coil fixing screw (M4
(5) Remove the bypass valve coil by sliding the coil upward.
(6) Disconnect the connector SV2 (blue) on the controller
circuit board in the electrical parts box.
(7) Recover refrigerant.
(8) Remove the welded part of bypass valve.
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.
12. Removing the high pressure switch (63H)
(1) Remove the service panel. (See figure 1.)
(2) Remove the top panel. (See figure 1.)
(3) Remove 3 right side panel fixing screws (5
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.
Photo 15
10) in the
6).
4-way valve
Photo 16
High pressure switch (63H)
10) in the
148
PHOTOS
Bypass valve coil
fixing screw
Bypass valve
coil (SV)
Bypass valve
4-way valve