22 Technical data
Installation and operation manual
44
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600329-1E – 2023.02
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 (M 56 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)
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)
V*D
Diode module
V1R, V2R
(A1P)
IGBT power module
V3R (A1P)
Diode module
X*A
PCB connector
X*M
Terminal strip
X*Y
Connector