Daikin VRV IV+ RXYTQ8U7YF User Manual

25 | Technical data
Installer and user reference guide
136
RXYTQ
VRV IV+ heat pump for high ambient temperatures
4P561157-1B – 2021.11
25.2 Piping diagram: Outdoor unit
Piping diagram: RXYTQ8
R3T
R6T
R5T
R7T
R1T
R21T
j
h
e
c
o
f
l
m
k
a
d
t
s
r
INV
M
sv
sv
M1C
M1F
(S1NPL)
(S1NPH)
(S1PH)
HPS
R8T
R4T
g
u
v
a Compressor (M1C) l Solenoid valve, oil accumulator
(Y2S)
b Compressor (M2C) m Solenoid valve, oil1 (Y3S)
c Heat exchanger n Solenoid valve, oil2 (Y4S)
d Fan o 4‑way valve, main (Y1S)
e Fan motor (M1F, M2F) p 4‑way valve, sub (Y5S)
f Accumulator q Electrical component box
g Expansion valve, main (Y1E) r Service port, refrigerant charge
h Expansion valve, subcool heat
exchanger (Y2E)
s Stop valve, liquid
i Expansion valve, storage vessel
(Y4E)
t Stop valve, gas
j Subcool heat exchanger u Expansion valve, liquid cooling
(Y3E)
k Oil separator v Service port
Piping diagram: RXYTQ10+12
R3T
R6T
R5T
R7T
R4T
R21T
j
h
v
o
f
l
m
k
a
t
s
r
INV
sv
sv
M1C
(S1NPL)
(S1NPH)
(S1PH)
HPS
R8T
c
e
d d
e
M
M1F
M
M2F
R1T
g
u
a Compressor (M1C) l Solenoid valve, oil accumulator
(Y2S)
b Compressor (M2C) m Solenoid valve, oil1 (Y3S)
c Heat exchanger n Solenoid valve, oil2 (Y4S)
d Fan o 4‑way valve, main (Y1S)
e Fan motor (M1F, M2F) p 4‑way valve, sub (Y5S)

Daikin VRV IV+ RXYTQ8U7YF Specifications

General

Brand	Daikin
Model	VRV IV+ RXYTQ8U7YF
Category	Heat Pump
Language	English