Piping Diagram: Outdoor Unit - Daikin VRV IV Q+ Series Installer And User Reference Manual

26 | Technical data

26.2 Piping diagram: Outdoor unit

Installer and user reference guide
156
Piping diagram: RXYQQ8~12
u
j
g
R5T R6T
h
o
(S1NPL)
HPS
(S3PH)
HPS
R3T
(S2PH)
f
l
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 (Y3E)
j Subcool heat exchanger
k Oil separator
l Solenoid valve, oil accumulator (Y2S)
m Solenoid valve, oil1 (Y3S)
n Solenoid valve, oil2 (Y4S)
o 4‑way valve, main (Y1S)
p 4‑way valve, sub (Y5S)
q Service port
r Service port, refrigerant charge
s Stop valve, liquid
t Stop valve, gas
u Expansion valve, liquid cooling (Y3E)
Piping diagram: RXYQQ14~20
j
R6T
R5T
h
(S1NPL)
HPS
(S4PH)
R3T
f
s
t
r
d
R1T
q
M e
R4T
M1F
R7T
c
(S1NPH)
k
HPS
(S1PH)
R21T
m
a
R8T
INV
M1C
u
d
q
e
M
R4T M1F
g
c
o
(S1NPH)
HPS
(S3PH)
k k
HPS
(S1PH)
R21T
m n
b
a
R8T
INV
M2C
M1C
l
sv
R1T
d
e
M
M2F
HPS
(S2PH)
R22T
R9T
INV
VRV IV Q+ series heat pump
4P546229-1A – 2020.10
RXYQQ8~20U7Y1B