Daikin REYQ8-48PY1B, Service Manual

Page: 106 / 477

Refrigerant Flow for Each Operation Mode SiBE37-701_B
95 Refrigerant Circuit
Cooling Oil Return Operation
In
door
U
n
it
Fa
n
"
O
N
"
Coo
ling
Unit
O
per
at
ion "
O
N"
T
her
m
o
s
tat
"
O
N"
BS
U
n
it
Fa
n
"
O
N
"
O
per
at
ion "
O
N"
T
her
m
o
s
tat
"
O
F
F
"
Coo
ling
Unit
Fa
n
"
O
F
F
"
Coo
ling
Unit
O
p
er
a
ti
o
n "
O
F
F
" "H
ig
h
t
e
m
p
e
rat
u
re,
hi
g
h
pr
es
su
re
ga
s"
"H
ig
h
t
e
m
p
e
rat
u
re,
hi
g
h
pr
es
su
re
li
q
ui
d
"
"L
o
w
t
e
m
p
e
rat
ur
e,
lo
w
pr
es
su
re
"
RE
M
Q
8P
(M
ul
ti
8H
P
)
Li
qu
id
P
ipe
St
o
p
Va
lv
e
Ts
c
TL
EV
T
Ts
h
SV
E
Tb
Tg
Tf
EV
M
IN
V
F
A
N
20
S
A
Eq
u
a
liz
in
g
Pi
p
e
St
o
p
Va
lv
e
D
u
al
P
res
su
re
G
a
s
P
ipe S
top V
a
lv
e
S1
N
P
H
SV
P
20S
B
S1
PH
Td
i
IN
V
S
u
ct
io
n P
ipe
St
o
p
Va
lv
e
E
V
J
G
au
ge
Po
rt
TS
_
A
S2
N
P
L
SVT
SV
L
SV
O
Re
fr
ig
er
an
t
R
egu
la
to
r
SV
G
RE
M
Q
10,
12P
(M
ul
ti
10,
12HP
)
Li
q
u
id
P
ipe
St
o
p
Va
lv
e
Ts
c
TL
EV
T
Ts
h
E
q
ual
iz
in
g P
ipe S
top
Va
lv
e
D
u
al
P
res
sur
e
G
a
s
P
ip
e
St
o
p
Va
lv
e
S1
N
P
H
SV
P
SV
E
Tb
Tf
EV
M
IN
V
F
A
N
Tg
20
S
A
S
u
ct
ion P
ipe
St
o
p
Va
lv
e
EV
J
G
a
u
ge
Po
rt
TS_
A
S1
P
H Td
i
IN
V
S2
N
P
L
S2
P
H
Td
s1
S1
SV
T
SV
L
R
ef
rig
er
ant
R
egu
la
to
r
SV
G
SV
O
1
92pl
s
20S
B
EVSC EVH
S
EVH EVL EVL
S
EVS
C
EVH
S
EVH
EV
L
EV
L
S
EVSC
EVH
S
EV
H
EVL EVL
S