Mitsubishi PUZ-A18NHA6 - Page 122

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11. Removing the bypass valve
 (1)Removetheservicepanel.(SeeFigure1)
 (2)Removethetoppanel.(SeeFigure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)Removethebypassvalvecoil.(SeePhoto8).
 (6)Recoverrefrigerant.
 (7)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.
13. Removing the reactor (ACL) (A24)
 (1)Removetheservicepanel.(SeeFigure1)
 (2)Removethetoppanel.(SeeFigure1)
 (3)Removetheelectricalpartsbox.(SeePhoto3)
 (4)Remove3reactorfixingscrews(4×16)andremovethe
reactor.
 Note:Thereactorisattachedtotherearoftheelectricalpartsbox .
Photo 10
Reactorfixingscrew
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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 (210˚F
or more), then braze the pipes so that the inside
of pipes are not oxidized.
Bypassvalve
Bypassvalve
fixingscrew
Reactorfixingscrews
Reactor
(ACL)
Photo 11
Photo 12
Electricalpartsbox
Highpressure
switch(63H)
Bypassvalvecoil
Linearexpansion
valvecoil(LEV-A)
4-wayvalve
OPERATING PROCEDURE
PHOTOS
OCH577A