S
a
m
s
u
n
g
El
e
c
troni
c
s
7-
3
1
.
I
f
the
press
u
re
is
k
ept
l
o
w
f
or
a
l
on
g
ti
m
e
to
c
o
m
p
l
ete
ly
rep
l
enish
the
re
f
ri
g
erant
o
f
the
pipe
d
u
rin
g
the
p
u
m
p
-
do
w
n
,
then
the
c
o
m
pressor
m
a
y
b
e
da
m
a
g
ed
.
T
here
f
ore
,
c
l
ose
the
v
a
lv
e
i
mm
ediate
ly
i
f
the
press
u
re
g
oes
b
e
l
o
w
2
kg
/
c
m
2
.g.
2
.
I
f
the
l
en
g
th
o
f
the
pipe
is
too
l
on
g
or
the
o
u
tside
te
m
perat
u
re
is
too
hi
g
h
,
then
it
m
a
y
not
b
e
a
b
l
e
to
p
u
m
p
do
w
n
a
ll
o
f
the
re
f
ri
g
erant
.
I
n
this
c
ase
, u
se
an
e
m
pt
y
re
f
ri
g
erant
c
ontainer
w
hi
c
h
c
an
b
e
u
sed
f
or
re
c
har
g
e
to
p
l
a
c
e
so
m
e
o
f
the
s
y
ste
m
re
f
ri
g
erant
inside
the
c
ontainer
.
T
he
p
u
m
p
do
w
n
c
an
b
e
easi
ly
c
arried
o
u
t
i
f
on
ly
the
re
m
ainin
g
re
f
ri
g
erant
is
p
u
m
ped
do
w
n
.
7-
2
-
2
F
or
S
i
ngl
e
In
sta
ll
atio
n
o
f
O
u
tdoor
Un
it
(
O
nly
O
n
e
O
u
tdoor
Un
it
In
sta
ll
ed
)
1
.
Cl
ose
the
l
i
qu
id
pipe
SVC v
a
lv
e
.
2
.
Press
the
K
2
Bu
tton
on
the
P
CB
o
f
the
m
ain
o
u
tdoor
u
nit
.
(“K7”
m
ar
k
disp
l
a
y
ed
on
the
o
u
tdoor
u
nit
P
CB LE
D
.)
3
.
O
b
ser
v
e
f
or
l
o
w
press
u
re
b
y u
sin
g
the
K4
b
u
tton
'
s
v
ie
w
m
ode
on
c
e
the
c
o
m
pressor
starts
operatin
g.
(I
f
the
f
irst
n
u
mb
er
o
f
the
LE
D
is
“4,”
then
the
f
o
ll
o
w
in
g
three
di
g
its
represent
the
l
o
w
press
u
re
,
e
x
pressed
u
p
to
the
f
irst
de
c
i
m
a
l
point
.)
Ex
a
m
p
l
e
: 41
22
o
4
m
eans
the
v
a
lu
e
o
f
the
l
o
w
press
u
re
,
and
1
22
m
eans
that
the
l
o
w
press
u
re
is
1
2
.
2
kg
/
c
m
2,
g.
4
.
I
f
the
l
o
w
press
u
re
g
oes
b
e
l
o
w
aro
u
nd
2
kg
/
c
m
2,
g
,
then
i
mm
ediate
ly
c
l
ose
the
SVC v
a
lv
e
f
or
the
g
as
and
f
inish
the
p
u
m
p
-
do
w
n
operation
.
(F
inish
the
p
u
m
p
-
do
w
n
operation
,
press
K
2
b
u
tton
t
w
o
m
ore
ti
m
es
,
or
reset
the
operation
b
y
pressin
g
the
K
3
b
u
tton
on
c
e
m
ore
.)
7-
2
-
3
Wh
e
n Tw
o
or
M
ore
O
u
tdoor
Un
its
are
In
sta
ll
ed
1
.
Cl
ose
the
g
as
v
a
lv
es
o
f
ea
c
h
s
u
b
u
nit
.
2
.
Press
the
K
2
b
u
tton
o
f
the
o
u
tdoor
u
nit
P
CB
three
ti
m
es
.
A
t
this
ti
m
e
, K7
w
i
ll
b
e
disp
l
a
y
ed
on
the
P
CB LE
D
.
A
f
ter
pressin
g
the
b
u
tton
,
w
ait
f
or
a
b
o
u
t
2
0
~
3
0
m
in
u
tes
on
c
e
the
m
ain
u
nit
c
o
m
pressor
starts
operatin
g.
3
.
Cl
ose
the
l
i
qu
id
pipe
v
a
lv
es
o
f
ea
c
h
s
u
b
u
nit
.
4
.
Cl
ose
the
l
i
qu
id
pipe
v
a
lv
es
o
f
the
m
ain
u
nit
,
and
o
b
ser
v
e
f
or
l
o
w
press
u
re
as
in
the
c
ase
o
f
a
sin
g
l
e
o
u
tdoor
u
nit
.
5
.
Cl
ose
the
g
as
v
a
lv
e
o
f
the
m
ain
u
nit
i
f
the
press
u
re
drops
do
w
n
,
and
then
f
inish
the
p
u
m
p
-
do
w
n
operation
m
ode
.
가스관 SVC 밸브 닫힘
가스관 SVC 밸브 열림
액관 SVC 밸브 닫힘
액관 SVC 밸브 열림
Main Unit
Sub Unit
7-
2
Pump-
do
wn M
et
h
od
7-
2
-1 P
re
c
a
u
tio
n
s
f
or
Pump-
do
wn
●
P
l
ease
u
se
a
re
c
har
g
ea
b
l
e
c
ontainer
f
or
e
x
c
lu
si
v
e
u
se
w
hen
p
u
ttin
g
the
re
f
ri
g
erant
in
the
c
ontainer
.
A
cc
idents
s
u
c
h
as
e
x
p
l
osions
c
an
happen
and
res
ul
t
in
da
m
a
g
e
i
f
nor
m
a
l
re
f
ri
g
erant
c
ontainers
are
u
sed
a
f
ter
i
ll
e
g
a
l
m
odi
fi
c
ation
.
G
as
pipe
SVC v
a
lv
e
is
c
l
osed
.
L
i
qu
id
pipe
SVC
v
a
lv
e
is
c
l
osed
.
G
as
pipe
SVC v
a
lv
e
opened
.
L
i
qu
id
pipe
SVC
v
a
lv
e
is
opened
.