Daikin VRV IV+ Installer And User Reference Manual page 130

12 | Technical data
Installer and user reference guide
130
Piping diagram: RXYQ14~20
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)
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)
x
d
w
e
M
R4T
M1F
g
c
o
(S1NPH)
k k
HPS
(S1PH)
R21T
m n
b
a
R8T
INV INV
M2C
M1C
l
sv
R1T
d
e
M
M2F
HPS
(S2PH)
R22T
R9T
RYYQ+RYMQ+RXYQ8~20U7Y1B
VRV IV+ heat pump
4P546228-1A – 2019.10