Daikin REYQ8-48PY1B, Service Manual

Page: 110 / 477

Refrigerant Flow for Each Operation Mode SiBE37-701_B
99 Refrigerant Circuit
Partial Defrosting 2 (Defrosting in the Left Unit)
In
door
U
n
it
Fa
n
"
O
N
"
Cool
ing
Unit
O
per
at
ion "
O
N"
T
her
m
o
s
tat
"
O
N"
BS
U
n
it
Fa
n
"
L
L
"
O
p
er
a
ti
o
n "
O
N
"
Th
e
rm
o
s
ta
t "
O
N
"
Heat
ing
Unit
Fa
n
"
O
FF"
Heat
ing
Uni
t
O
per
at
ion "
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
mpe
rat
ur
e,
lo
w
pr
es
su
re
"
RE
M
Q
8P
(M
ul
ti
8HP
)
L
iqui
d
P
ipe
St
o
p
Va
lv
e
Ts
c
TL
EV
T
Ts
h
SV
E
Tb
Tg
Tf
EV
M
IN
VF
AN
20S
A
Eq
u
a
liz
in
g
Pi
p
e
St
o
p
Va
lv
e
D
ua
l P
re
ssu
re
G
as P
ip
e
St
op
Va
lv
e
S1
N
P
H
SV
P
20S
B
S1
PH
Td
i
IN
V
Su
ct
io
n
Pi
p
e
St
o
p
Va
lv
e
EV
J
G
a
uge
Po
rt
TS
_
A
S2
N
P
L
SV
T
SV
L
SV
O
R
ef
rig
er
ant
Re
gu
la
to
r
SV
G
RE
M
Q
10,
12P
(M
ul
ti
10,
12HP
)
Li
qui
d
P
ipe
St
o
p
Va
lv
e
Ts
c
TL
EV
T
Ts
h
E
qual
iz
in
g P
ipe
St
o
p
Va
lv
e
D
u
a
l Pre
ss
u
re
G
a
s Pi
p
e
St
o
p
Va
lv
e
S1
N
P
H
SV
P
SV
E
Tb
Tf
EV
M
IN
VF
AN
Tg
20S
A
Su
ct
io
n
Pi
p
e
St
o
p
Va
lv
e
EV
J
G
aug
e
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
efr
ig
er
an
t
Re
gu
la
to
r
SV
G
SVO
0pl
s
20S
B
22
4pl
s
In
o
p
e
ra
tio
n
of
def
ros
ting
EV
SC
EVH
S
EVH EVL
EVL
S
E
VSC
EVH
S
EVH EVL
EVL
S
EV
SC
EVH
S
EVH
EV
L
EVL
S