Mitsubishi Electric PUHZ-HW112YHA-BS, Руководство по обслуживанию

Страница: 121 / 124

O P E R A T I N G P R O C E D U R E P HO T O S
8 . R emov ing th e 4 - way v alv e c oil ( 2 1 S 4 ) , and linear ex p ansion
v alv e c oil ( L E V - A , L E V - B , L E V - C )
[ R emov ing th e 4 - way v alv e c oil]
[ R emov ing th e linear ex p ansion v alv e c oil]
9 . R emov ing th e 4 - way v alv e
N ote : W h en installing th e 4 - way v alv e, c ov er it with a wet
c loth to p rev ent it from h eating ( 1 2 0 ° C or more) , th en
b raze th e p ip es so th at th e inside of p ip es are not
ox idize d.
1 0 . R emov ing linear ex p ansion v alv e
N ote : W h en installing th e linear ex p ansion v alv e, c ov er
it with a wet c loth to p rev ent it from h eating ( 1 2 0 ° C
or more) , th en b raze th e p ip es so th at th e inside of
p ip es are not ox idize d.
1 1 . R emov ing th e h igh p ressure switc h ( 6 3H) , th e low p res-
sure switc h ( 6 3L ) and th e p ressure sensor ( 6 3HS )
N ote : W h en installing th e h igh p ressure switc h , c ov er it
with a wet c loth to p rev ent it from h eating ( 1 0 0 ° C
or more) , th en b raze th e p ip es so th at th e inside of
p ip es are not ox idize d.
N ote 1 : R ec ov er refrigerant with out sp reading it in
th e air.
N ote 2 : T h e welded p art c an b e remov ed easily b y
remov ing th e righ t side p anel.
P h oto 8 - 1
P h oto 8 - 2 : Y HA R 2 ty p e
OCH526C