Piping Diagram: Outdoor Unit; Wiring Diagram: Outdoor Unit - Daikin VRV 5-S RXYSA4A7V1B Installation And Operation Manual

22.2

Piping diagram: Outdoor unit

d
Y5E
e f
R5T
a
h
Y6E
e f
b
f
c o
a Liquid
b Gas
c Charge port
d Service port
e Stop valve
f Refrigerant filter
g One-way valve
h Pressure relief valve
i PCB cooling
j Double tube heat exchanger
k Distributor
l Heat exchanger
m Accumulator
n Muffler
o Capillary tube
p Compressor accumulator
M1C Compressor
M1F Fan motor
HPS–A High pressure switch – automatic reset
HPS–M High pressure switch – manual reset
S1NPL Low pressure sensor
S1NPH High pressure sensor
Y1E Electronic expansion valve (main – EVM1)
Y2E Electronic expansion valve (EVT)
Y3E Electronic expansion valve (main – EVM2)
Y4E Electronic expansion valve (EVL)
Y5E Electronic expansion valve (EVSL)
Y6E Electronic expansion valve (EVSG)
Y1S 4‑way valve
22.3

Wiring diagram: Outdoor unit

The wiring diagram is delivered with the unit, located at the inside of
the service cover.
Symbols:
X1M Main terminal
Earth wiring
15
Wire number 15
Field wire
Field cable
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600329-1E – 2023.02
Y3E
i
Y1E
j
Y2E
Y4E
n
f
R1T
l
R4T
k
M M1F
Y1S
S1NPL
n
g
S1NPH
HPS–A
HPS–M
M1C
m
p
3D127852
Thermistors:
R1T Thermistor (ambient)
R3T Thermistor (suction)
R4T Thermistor (liquid)
R5T Thermistor (subcool)
R6T Thermistor (superheat)
R7T Thermistor (heat exchanger)
R10T Thermistor (fin)
R21T Thermistor (discharge)
Refrigerant flow:
Cooling
Heating
** /12.2
Connection ** continues on page 12 column 2
1
Several wiring possibilities
Option
Not mounted in switch box
Wiring depending on model
PCB
22 Technical data
Installation and operation manual
43