Piping Diagram: Outdoor Unit - Daikin VRV IV+ RYYQ10U7Y1B Series Installation And Operation Manual

20.2

Piping diagram: Outdoor unit

Piping diagram: RYYQ8~12
x
j
R4T
g
R6T
R5T
h i
v
o
(S1NPL) (S1NPH)
R3T
(S1PH)
f
l
s
sv
t
r
a Compressor
(M1C)
b Compressor
(M2C)
c Heat exchanger
d Fan
e Fan motor (M1F,
M2F)
f Accumulator
g Expansion valve,
main (Y1E)
h Expansion valve,
subcool heat
exchanger (Y2E)
i Expansion valve,
storage vessel
(Y4E)
j Subcool heat
exchanger
k Oil separator
l Solenoid valve, oil
accumulator
(Y2S)
RYYQ+RYMQ+RXYQ
VRV IV+ heat pump
4P546220-1F – 2023.01
R1T
d
w
M e
M1F
R7T
c
p
k
HPS
R21T
m
a
R8T
INV
M1C
m Solenoid valve,
oil1 (Y3S)
n Solenoid valve,
oil2 (Y4S)
o 4‑way valve, main
(Y1S)
p 4‑way valve, sub
(Y5S)
q Electrical
component box
r Service port,
refrigerant charge
s Stop valve, liquid
t Stop valve, gas
u Stop valve,
equalising gas
v Heat
accumulation
element
w Service port
x Expansion valve,
liquid cooling
(Y3E)
Piping diagram: RYYQ14~20
x
j
g
R5T
R6T
i
h
o
(S1NPL) (S1NPH)
R3T
HPS
(S1PH)
R21T
f
a
l
M1C
sv
s
t
r
a Compressor
(M1C)
b Compressor
(M2C)
c Heat exchanger
d Fan
e Fan motor (M1F,
M2F)
f Accumulator
g Expansion valve,
main (Y1E)
h Expansion valve,
subcool heat
exchanger (Y2E)
i Expansion valve,
storage vessel
(Y4E)
j Subcool heat
exchanger
k Oil separator
l Solenoid valve, oil
accumulator
(Y2S)
Piping diagram: RYMQ8~12
x
j
g
R5T R6T
h
o
(S1NPL)
R3T
f
s
l
t
sv
u
r
20 Technical data
R1T
d d
w
e e
M M
R4T
M1F M2F
R7T
c
v
p
k k
HPS
(S2PH)
R22T
m n
b
R9T
INV
R8T
INV
M2C
m Solenoid valve,
oil1 (Y3S)
n Solenoid valve,
oil2 (Y4S)
o 4‑way valve, main
(Y1S)
p 4‑way valve, sub
(Y5S)
q Electrical
component box
r Service port,
refrigerant charge
s Stop valve, liquid
t Stop valve, gas
u Stop valve,
equalising gas
v Heat
accumulation
element
w Service port
x Expansion valve,
liquid cooling
(Y3E)
d
R1T
w
e
M
R4T
M1F
R7T
c
p
(S1NPH)
HPS k
(S1PH)
R21T
m
a
R8T
INV
M1C
Installation and operation manual
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