Sa
msun
g
El
ec
troni
c
s
7-17
7-23 Cycle Component Function Explanation
1. A
cc
umul
a
tor :
Se
p
a
r
a
tin
g
th
e
in
c
omin
g
liqui
d
r
ef
ri
ge
r
a
nt to th
e
c
ompr
e
ssor in or
de
r to pr
e
v
e
nt liqui
d
r
ef
ri
ge
r
a
nt.
2
. Oil
Se
p
a
r
a
tor :
Se
p
a
r
a
tin
g
th
e
oil
f
rom th
e
r
ef
ri
ge
r
a
nt
d
is
c
h
a
r
ged
f
rom th
e
c
ompr
e
ssor,
a
n
d
th
e
s
e
p
a
r
a
t
ed
oil is r
e
turn
ed
to th
e
c
ompr
e
ssor.
3
. Int
e
r
c
ool
e
r :
S
up
e
r
c
ool
ed
liqui
d
r
ef
ri
ge
r
a
nt throu
g
h th
e
h
ea
t
e
x
c
h
a
n
ge
r
a
n
d
m
a
k
e
s th
e
m
ed
ium pr
e
ssur
e
ga
s r
ef
ri
ge
r
a
nt inj
ec
t
ed
into th
e
c
ompr
e
ssor.
4. IPM Cool
e
r : IPM (Int
e
lli
ge
nt Pow
e
r Mo
d
ul
e
)
b
y
c
oolin
g
to pr
e
v
e
nt ov
e
rh
ea
tin
g
.
5. Hi
g
h/Low Pr
e
ssur
e
Se
nsor : M
ea
sur
e
hi
g
h/low Pr
e
ssur
e
o
f
syst
e
m.
6. Hi
g
h Pr
e
ssur
e
S
wit
c
h :
S
usp
e
n
d
imm
ed
i
a
t
e
ly
f
or prot
ec
tion o
f
syst
e
m i
f
hi
g
h pr
e
ssur
e
o
f
syst
e
m
e
x
ceed
s s
e
ttin
g
v
a
lu
e
.
7. Out
d
oor EEV (M
a
in EEV) : A
d
just th
e
in
c
omin
g
r
ef
ri
ge
r
a
nt to th
e
out
d
oor h
ea
t
e
x
c
h
a
n
ge
r
d
urin
g
h
ea
tin
g
op
e
r
a
tion.
8. EVI EEV : By
ad
justin
g
th
e
a
mount o
f
r
ef
ri
ge
r
a
nt p
a
ssin
g
throu
g
h th
e
S
u
bc
ool
e
r to o
b
t
a
in th
e
deg
r
ee
o
f
sup
e
r
c
oolin
g
a
n
d
ad
just th
e
a
mount
o
f
ga
s r
ef
ri
ge
r
a
nt
e
nt
e
rin
g
to th
e
c
ompr
e
ssor.
9. 4W
a
y V
a
lv
e
: Ch
a
n
ge
th
e
d
ir
ec
tion o
f
f
low o
f
th
e
r
ef
ri
ge
r
a
nt to th
e
c
oolin
g
/ h
ea
tin
g
op
e
r
a
tion.
10. ARV (A
cc
umul
a
tor Oil R
e
turn V
a
lv
e
) : R
e
m
a
inin
g
a
t th
e
b
ottom o
f
th
e
A
cc
umul
a
tor r
ec
ov
e
r
ed
oil to th
e
c
ompr
e
ssor.
11. M
a
inCoolin
g
V
a
lv
e
: In th
e
m
a
in
c
oolin
g
op
e
r
a
tion, s
e
n
d
in
g
th
e
hi
g
h pr
e
ssur
e
r
ef
ri
ge
r
a
nt to in
d
oor unit in h
ea
tin
g
mo
de
.
1
2
. Out
d
oor EEV V
a
lv
e
: In th
e
m
a
in
c
oolin
g
op
e
r
a
tion, It's
c
los
ed
so th
a
t th
e
Out
d
oor EEV V
a
lv
e
ca
n
c
ontrol th
e
a
mount o
f
th
e
r
ef
ri
ge
r
a
nt.
1
3
. Hot
ga
s V
a
lv
e
:
Se
n
d
in
g
th
e
hi
g
h pr
e
ssur
e
ga
s to low pr
e
ssur
e
pip
e
in or
de
r to prot
ec
t low pr
e
ssur
e
.
14. Hot
ga
s V
a
lv
e
2
: In th
e
c
oolin
g
op
e
r
a
tion,
c
h
a
n
g
in
g
hi
g
h pr
e
ssur
e
pip
e
to low pr
e
ssur
e
pip
e
.
15. EVI
S
OL V : This v
a
lv
e
op
e
ns wh
e
n usin
g
th
e
v
a
por Inj
ec
tion.
16. EVI BYPA
SS
V : This v
a
lv
e
op
e
ns in th
e
su
b
c
oolin
g
c
ontrol. It's
c
los
ed
wh
e
n usin
g
th
e
v
a
por inj
ec
tion.
17. Dis
c
h
a
r
ge
T
e
mp
e
r
a
tur
e
Se
nsor : M
ea
sur
e
th
e
t
e
mp
e
r
a
tur
e
o
f
th
e
r
ef
ri
ge
r
a
nt
d
is
c
h
a
r
ged
f
rom th
e
c
ompr
e
ssor.
18.
S
u
c
tion T
e
mp
e
r
a
tur
e
Se
nsor : M
ea
sur
e
th
e
t
e
mp
e
r
a
tur
e
o
f
th
e
r
ef
ri
ge
r
a
nt to th
e
c
ompr
e
ssor su
c
tion.
19. Con
d
. Out T
e
mp
e
r
a
tur
e
Se
nsor : M
ea
sur
e
th
e
t
e
mp
e
r
a
tur
e
o
f
th
e
out
d
oor h
ea
t
e
x
c
h
a
n
ge
r o
f
th
e
a
ir
c
on
d
itionin
g
op
e
r
a
tion.
2
0. EVI In/Out T
e
mp
e
r
a
tur
e
Se
nsor : M
ea
sur
e
th
e
t
e
mp
e
r
a
tur
e
o
f
th
e
r
ef
ri
ge
r
a
nt inl
e
t
a
n
d
outl
e
t o
f
th
e
S
u
bc
ool
e
r.
2
1. Liqui
d
Pip
e
T
e
mp
e
r
a
tur
e
Se
nsor : M
ea
sur
e
th
e
t
e
mp
e
r
a
tur
e
o
f
sup
e
r
c
oolin
g
r
ef
ri
ge
r
a
nt in th
e
out
d
oor unit o
f
th
e
a
ir
c
on
d
itionin
g
.
22
. Comp. Top T
e
mp
e
r
a
tur
e
Se
nsor : M
ea
sur
e
th
e
t
e
mp
e
r
a
tur
e
o
f
c
ompr
e
ssor top
c
ov
e
r.
23
. Am
b
i
e
nt T
e
mp
e
r
a
tur
e
Se
nsor : M
ea
sur
e
th
e
out
d
oor t
e
mp
e
r
a
tur
e
.
2
4. W
a
t
e
r T
e
mp
e
r
a
tur
e
Se
nsor : Pl
a
t
e
H
ea
t Ex
c
h
a
n
ge
r int
e
rn
a
l t
e
mp
e
r
a
tur
e
m
ea
sur
e
m
e
nt
2
5. Control
b
ox t
e
mp.
Se
nsor : Control
b
ox int
e
rn
a
l t
e
mp
e
r
a
tur
e
m
ea
sur
e
m
e
nt, th
e
rm
a
l prot
ec
tion us
ed
f
or th
e
c
ontrol.
2
6. R
ece
iv
e
r :
S
torin
g
th
e
r
ef
ri
ge
r
a
nt pipin
g
syst
e
m,
a
st
ab
l
e
liqui
d
r
ef
ri
ge
r
a
nt supply
2
7. Liqui
d
Tu
be
V
a
lv
e
: R
ef
ri
ge
r
a
nt in th
e
out
d
oor unit si
de
, th
e
in
d
oor unit
d
urin
g
h
ea
tin
g
op
e
r
a
tion to rot
a
t
e
th
e
v
a
lv
e
op
e
r
a
tion.