Daikin VRV 5-S Series - 10 Maintenance and Service; Maintenance Safety Precautions

20 Technical data
Installation and operation manual
44
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600329-1A – 2020.01
20.3 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
**
/12.2
Connection ** continues on page 12 column 2
1
Several wiring possibilities
Option
Not mounted in switch box
Wiring depending on model
PCB
Legend for wiring diagram RXYSA4~6_V :
A1P Printed circuit board (main)
A2P Printed circuit board (sub)
A3P Printed circuit board (back-up)
A4P Printed circuit board (cool/heat selector)
BS* (A1P) Push buttons (mode, set, return, test, reset)
DS* (A1P) DIP switch
E1H Bottom plate heater (option)
E1HC Crank case heater
F1U (A1P) Fuse (T 3.15A / 250V)
F1U (A2P) Fuse (T 3.15A / 250V)
F1U Fuse (T 1.0A / 250V)
F2U (A1P) Fuse (T 6.3A / 250V)
F3U (A1P) Fuse (T 6.3A / 250V)
F6U (A1P) Fuse (T 5.0A / 250V)
F101U
(A3P)
Fuse (T 2.0A / 250V)
HAP (A1P) Running LED (service monitor green)
K*M (A1P) Contactor on PCB
K*R (A*P) Relay on PCB
M1C Motor (compressor)
M1F Motor (fan)
PS (A*P) Switching power supply
Q1 Overload switch
Q1DI Earth leakage circuit breaker (field supply)
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)
R*T PTC thermistor
S1NPH High pressure sensor
S1NPL Low pressure sensor
S1PH High pressure switch
S1S Air control switch (option)
S2S Cool/heat selector switch (option)
SEG* (A1P) 7-segment display
SFB Mechanical ventilation error input (field supply)
V1R, V2R
(A1P)
IGBT power module
V3R (A1P) Diode module
X*A PCB connector
X*M Terminal strip
X*Y Connector
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 Solenoid valve (4‑way valve)
Y3S Error operation output (SVEO) (field supply)
Y4S Leak sensor output (SVS) (field supply)
Z*C Noise filter (ferrite core)
Z*F (A*P) Noise filter
Legend for wiring diagram RXYSA4~6_Y :
A1P Printed circuit board (main)
A2P Printed circuit board (sub)
A3P Printed circuit board (back-up)
A4P Printed circuit board (cool/heat selector)
A5P Printed circuit board (noise filter)
BS* (A1P) Push buttons (mode, set, return, test, reset)
C* (A1P) Capacitors
DS* (A1P) DIP switch
E1H Bottom plate heater (option)
E1HC Crank case heater
F1U (A1P) Fuse (T 6.3A / 250V)
F1U (A2P) Fuse (T 3.15A / 250V)
F1U Fuse (T 1.0A / 250V)
F6U (A1P) Fuse (T 6.3A / 250V)
F7U (A1P) Fuse (T 5.0A / 250V)
F101U
(A3P)
Fuse (T 2.0A / 250V)
HAP (A1P) Running LED (service monitor green)
K*M (A1P) Contactor on PCB
K*R (A*P) Relay on PCB
L1R (A*P) Reactor
M1C Motor (compressor)
M1F Motor (fan)
PS (A*P) Switching power supply
Q1 Overload switch
Q1DI Earth leakage circuit breaker (field supply)
R* (A*P) Resistor
R1T Thermistor (ambient)
R3T Thermistor (suction)
R4T Thermistor (liquid)