Refrigerant Flow for Each Operation Mode
SiBE37-701_B
89
Refrigerant Circuit
Oil Return Operation at Simultaneous Cooling / Heating Operation
Indo
or
U
n
it
"O
N
"
BS
Un
it
Li
q
u
id
Pi
p
e
St
o
p
Va
lv
e
Du
al
Pre
ss
ure
Ga
s P
ip
e
St
o
p
Va
lv
e
E
q
u
a
liz
in
g
Pi
p
e
20
S
B
20S
A
Tg
Ts
c
Ts
h
EV
T
SV
E
Tb
EV
M
Tf
S2P
H
Tdi
IN
V
TS
_
A
Lef
t
EV
J
St
o
p
Va
lv
e
"O
F
F
"
Fan
"O
FF"
Indoo
r un
it
O
per
a
tio
n
"O
N
"
Fan "
O
N"
Th
e
rm
o
s
ta
t "O
N
"
C
ool
ing
Uni
t
Right
Su
ct
io
n
Pi
p
e
Ts
c
E
q
u
a
liz
in
g
Pi
p
e
SV
P
S1
N
P
H
Ts
h
TL
EV
T
SV
E
Tb
Tg
20S
A
Ta
Tf
EV
M
SV
L
Re
fri
ge
rant
Regul
at
or
SV
G
S2
N
P
L
IN
V
S1P
H
Tdi
Su
ct
io
n
P
ip
e
TS
_
A
"H
igh t
e
m
per
at
ur
e,
hi
gh pr
essur
e
gas"
"H
igh t
e
m
per
at
ur
e,
hi
gh pr
essur
e
l
iqui
d"
"Low
t
e
m
per
at
ur
e,
l
o
w
pr
essur
e
"
Li
q
u
id
Pi
p
e
SV
O
Fan "
O
N
"
T
her
mo
sta
t "
O
N
"
He
atin
g
Uni
t
22
4p
ls
Hea
ti
n
g
Un
it
EV
SC
EV
H
S
EV
H
EVL
S
EV
L
EV
SC
EV
H
S
EV
H
EVL
S
EV
L
EV
SC
EV
H
S
EV
H
EVL
S
EV
L
On
e B
o
d
y
T
y
pe
Summary of Contents for REYQ8-48PY1B
Page 1: ...Service Manual REYQ8 48PY1B R 410A Heat Recovery 50Hz SiBE37 701_B ...
Page 456: ...Piping Installation Point SiBE37 701_B 445 Appendix ...
Page 460: ...Example of connection SiBE37 701_B 449 Appendix ...
Page 476: ...Revision History Date News No Contents 2010 9 10 M 10011 Correction of service manual ...