Daikin VRV IV+ Series, Инструкция по установке и эксплуатации

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20 Technical data
Installation and operation manual
38
RXYTQ8~16U7YF
VRV IV+ heat pump for high ambient temperatures
4P546223-1B – 2020.10
20.2 Piping diagram: Outdoor unit
INFORMATION
For a legend explaining the figures below, refer to the end
of this topic.
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
Piping diagram: 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
Piping diagram: 16
a b
k k
n m
f
l
j
o
t
s
h
c
e
d d
e
M
sv
sv
INV INV
sv
M1C
M2C
M1F
M
M2F
(S1NPH) (S1NPL)
(S1PH) (S2PH)
HPS
R6T
R5T
R1T
R9T R8T
R21T
R22T
R3T
HPS
r
R4T
g
u
v
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 Expansion valve, liquid cooling (Y3E)
v Service port
20.3 Wiring diagram: Outdoor unit
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
4 For connection wiring to indoor–outdoor transmission F1‑F2,
outdoor‑outdoor transmission F1‑F2, outdoor‑multi
transmission Q1‑Q2, refer to the installation manual.
5 How to use BS1~BS3 switch, refer to the "Service
Precaution" label on the electrical component box cover.
6 When operating, do NOT short-circuit the protection devices
(S1PH).
7 Only for RYYQ model
8 Only for RYYQ/RYMQ model
9 For 8~12 HP: Connector X1A (M1F) is white, connector X2A
(M2F) is red.
9 For 14~20 HP: Colours (see below).
10 Colours (see below).