Piping Diagram: Outdoor Unit - Daikin VRV IV+ RXYTQ8U5YF Installer And User Manual

25 | Technical data

25.2 Piping diagram: Outdoor unit

Installer and user reference guide
136
Piping diagram: RXYTQ8
j
R5T R6T
h
(S1NPL)
R3T
f
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
Piping diagram: RXYTQ10+12
j
R6T
R5T
h
(S1NPL)
R3T
f
s
t
r
a Compressor (M1C)
b Compressor (M2C)
c Heat exchanger
d Fan
e Fan motor (M1F, M2F)
u
d
R1T
v
M e
R4T
M1F
g
R7T
c
o
(S1NPH)
k
HPS
(S1PH)
R21T
m
a
l
R8T
INV
sv
M1C
R1T
u
d d
v
e
M
M
R4T
M1F M2F
g
R7T
c
o
(S1NPH)
k
HPS
(S1PH)
R21T
m
a
l
R8T
INV
sv
M1C
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 Electrical component box
r Service port, refrigerant charge
s Stop valve, liquid
t Stop valve, gas
u Expansion valve, liquid cooling
(Y3E)
v Service port
e
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)
VRV IV+ heat pump for high ambient temperatures
4P561157-1B – 2021.11
RXYTQ