Piping Diagram: Outdoor Unit - Daikin VRV IV+ RYYQ8U7Y1B Series Installer And User Manual

25 | Technical data

25.2 Piping diagram: Outdoor unit

Installer and user reference guide
164
Piping diagram: RYYQ8~12
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)
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: RYYQ14~20
j
R5T
R6T
h
(S1NPL)
R3T
f
s
t
r
a Compressor (M1C)
b Compressor (M2C)
c Heat exchanger
d Fan
R1T
x d
w
M e
R4T
M1F
g
R7T
c
i
v
p
o
(S1NPH)
k
HPS
(S1PH)
R21T
m
a
l R8T
INV
M1C
sv
x
d
w
e
M
R4T
M1F
g
R7T
i
v
p
o
(S1NPH)
k k
HPS
(S1PH)
R21T
m n
a
R8T
l INV
M2C
M1C
sv
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)
R1T
d
e
M
M2F
c
HPS
(S2PH)
R22T
b
R9T
INV
m Solenoid valve, oil1 (Y3S)
n Solenoid valve, oil2 (Y4S)
o 4‑way valve, main (Y1S)
p 4‑way valve, sub (Y5S)
4P546228-1C – 2021.11
RYYQ+RYMQ+RXYQ
VRV IV+ heat pump