Piping Diagram: Outdoor Unit; Wiring Diagram: Outdoor Unit - Daikin VRV 5-S RXYSA8AMY1B Installation And Operation Manual

24 Technical data
24.2

Piping diagram: Outdoor unit

Piping diagram: 8 HP
e
Y4E
R6T
d
R5T
Y2S
S1PH
b
a
c
k j
Piping diagram: 10+12 HP
e
Y4E
R6T
d
R5T
Y2S
S1PH
b
a
c
k j
Installation and operation manual
52
l
Y3E
Y1E
R4T
f
Y2E
M1F
R1T
R3T
g
M2F
S1NPL
R7T
Y1S
h
S1NPH
i
R21T
R8T
INV M1C
j
l
Y3E
Y1E
R4T
f
R7T
Y2E
M1F
R3T
g
R1T
S1NPL
M2F
Y1S
h
S1NPH
i
R21T
R8T
INV M1C
j
Legend:
a Stop valve (gas)
b Stop valve (liquid)
c Filter (6×)
d Accumulator
e Subcool tube heat exchanger
f Pressure regulating valve
g Heat exchanger
h Service port
i Oil separator
j Capillary tube (2×)
k Charge port
l Heat sink
M1C Compressor
M1F-M2F Fan motor
R1T Thermistor (air)
R3T Thermistor (suction accumulator)
R4T Thermistor (heat exchanger, liquid)
R5T Thermistor (liquid)
R6T Thermistor (subcool heat exchanger, gas)
R7T Thermistor (de-icer)
R8T Thermistor (M1C body)
R21T Thermistor (M1C discharge pipe)
S1NPH High pressure sensor
S1NPL Low pressure sensor
S1PH High pressure switch
Y1E Electronic expansion valve (main)
Y2E Electronic expansion valve (subcool heat exchanger)
Y3E Electronic expansion valve (inverter cooling)
Y4E Electronic expansion valve (liquid injection)
Y1S Solenoid valve (4-way valve)
Y2S Solenoid valve (accumulator oil return)
Cooling
Heating
24.3

Wiring diagram: Outdoor unit

The wiring diagram is delivered with the unit, located at the inside of
the service cover.
Notes:
1 Symbols (see below).
2 Refer to the installation or service manual on how to use the
BS1~BS3 push buttons and DS1~DS2 switches.
3 Do not operate the unit by short-circuiting protection device
S1PH.
4 Refer to the installation manual for indoor-outdoor
transmission F1-F2 wiring.
5 When using the central control system, connect outdoor-
outdoor transmission F1-F2.
6 The capacity of the contact is 220~240 VAC – 0.5 A. (Rush
current needs 3 A or less)
7 Use dry contact for micro-current (1 mA or less 12VDC).
Symbols:
X1M Main terminal
Earth wiring
15
Wire number 15
Field wire
Field cable
**
/12.2
Connection ** continues on page 12 column 2
1
Several wiring possibilities
Option
Not mounted in switch box
Wiring depending on model
PCB
Colours:
BLK Black
BLU Blue
BRN Brown
RXYSA8~12AMY1B
VRV 5-S system air conditioner
4P752781-1B – 2024.02