:
6. Refrigerant diagram
Liq
u
id
pi
pe
2-
w
a
y s
to
p
va
lv
e
E
x
ch
ang
er
In
do
or
u
n
it
G
a
s pipe
3
-w
a
y st
o
p
v
a
lv
e
co
mp
re
s
so
r
O
u
td
oo
r unit
E
x
ch
ange
r
T
e
m
p
e
ratu
re se
nso
r
Liq
u
id
pi
pe
st
op
va
lve
E
x
ch
ang
er
In
doo
r un
it
G
a
s pipe
3
-w
a
y st
o
p
v
a
lv
e
c
o
m
p
re
sso
r
O
u
td
oo
r unit
E
x
c
ha
nge
r
D
is
c
har
g
e
te
mp.
se
ns
or
H
igh
P
res
su
re
S
w
it
c
h
L
o
w Pr
e
s
s
u
re
Sw
itc
h
Se
p
a
ra
to
r
T
e
m
per
a
tu
re se
nso
r
HBU-28CH03 HBU-42CH03 HBU-42CI03 HDU-42CH03/H
HDU-42CF03/H HDU-42CI03/H HCFU-42CF03 HPU-42CV
HBU-18CF03 HBU-28CF03 HCFU-18CF03 HCFU-28CF03
HDU-28CF03
03
-173-
Refrigerant diagram