Samsung AR09HSFSHWKNCV, Service Manual

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Sams u ng El ectronics 1 2 -7
12-6 In s t alla t i on D i a g ram of Indoo r Un i t a nd Outdoo r Un i t
12-6-1 A i r - P u r g e P r oc e du re
A
B
C
D
O u tdoor u nit
I ndoor u nit
G as pipe side
L i qu id pipe side
Vac uu m P u mp
A
( gas)
B
(l i qu id)
Va lv e stem
Stem cap
1 ) Connect eac h assem b l y pipe to t h e appropriate v a lv e on
t h e o u tdoor u nit and tig h ten t h e f l are n u t.
6 ) Mo u nt t h e v a lv e stem n u ts to t h e 2 way and
3 way v a lv e. And mo u nt t h e ser v ice port cap to
3 way v a lv e.
2) Connect t h e c h arging h ose o f l ow press u re side o f
mani f o l d ga u ge to t h e pac k ed v a lv e h a v ing a
ser v ice port ( 3/8 " Pac k ed v a lv e) as s h own at t h e
f ig u re.
3) Open t h e v a lv e o f t h e l ow press u re side o f mani f o l d
ga u ge co u nter - c l oc k wise.
4 ) P u rge t h e air f rom t h e system u sing v ac uu m p u mp f or
a b o u t 30 min u tes.
- A f ter t h at , p l ease rec h ec k t h at press u re is sta b i l i z ed.
- C l ose t h e v a lv e o f t h e l ow press u re side o f mani f o l d
ga u ge c l oc k wise.
- Remo v e t h e h ose o f t h e l ow press u re side
o f mani f o l d ga u ge.
5) Set v a lv e cor k o f b ot h l i qu id side and gas side o f pac k ed
v a lv e to t h e open position.
7 ) C h ec k f or gas l ea k age.
- At t h is time , especia ll y c h ec k f or gas
l ea k age f rom t h e 3 way v a lv e's stem n u ts ,
and f rom t h e ser v ice port cap.