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

25.3 Wiring diagram: Outdoor unit

RXYTQ
VRV IV+ heat pump for high ambient temperatures
4P561157-1B – 2021.11
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: RXYTQ14+16
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)
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
Refer to the wiring diagram sticker on the unit. The abbreviations used are listed
below:
INFORMATION
The wiring diagram on the outdoor unit is only for the outdoor unit. For the indoor
unit or optional electrical components, refer to the wiring diagram of the indoor unit.
1 This wiring diagram applies only to the outdoor unit.
2 Symbols (see below).
3 When using the optional adapter, refer to the installation manual of the
optional adapter
u
d
v
e
M
R4T
M1F
g
c
o
(S1NPH)
k k
HPS
(S1PH)
R21T
m n
a b
R8T
INV INV
M2C
M1C
l
sv
25 Technical data
|
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
R1T
d
e
M
M2F
HPS
(S2PH)
R22T
R9T
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
Installer and user reference guide
137