21 Disposal
Installation and operation manual
38
RXYSQ4~6T8V/YB(*)
VRV IV-S system air conditioner
4P482275-1B – 2020.10
R7T Thermistor (liquid pipe)
FINTH Thermistor (fin)
S1NPH High pressure sensor
S1NPL Low pressure sensor
S1PH High pressure switch
S1S Air control switch (option)
S2S Cool/heat selector switch (option)
V1R IGBT power module (A1P)
V2R Diode module (A1P)
V*T Insulated gate bipolar transistor (IGBT) N-channel
(A1P)
V*D Diode (A1P)
X*A PCB connector
X*M Terminal strip
X*Y Connector
X37A Connector (power supply for option PCB)
Y1E Electronic expansion valve (main)
Y3E Electronic expansion valve (subcool heat exchanger)
Y1S Solenoid valve (4‑way valve)
Z*C Noise filter (ferrite core)
Z*F (A*P) Noise filter
Legend for wiring diagram RXYSQ4~6_Y:
A1P Printed circuit board (main)
A2P Printed circuit board (inverter)
BS* Push buttons (mode, set, return, test, reset) (A1P)
C* Capacitor (A2P)
DS1 DIP switch (A1P)
F1U, F2U Fuse (T 31.5A / 500V) (A1P)
F1U Fuse (T 5.0A / 250V) (A2P)
F3U, F4U,
F5U
Fuse (T 6.3A / 250V) (A1P)
H*P LED (service monitor orange) (A1P)
HAP Running LED (service monitor green) (A*P)
K1M Magnetic contactor (A2P)
K*R Magnetic relay (A*P)
L1R Reactor
M1C Motor (compressor)
M1F Motor (upper fan)
M2F Motor (lower fan)
PS Switching power supply (A2P)
Q1DI Earth leakage circuit breaker (field supply)
R* Resistor (A2P)
R1T Thermistor (air)
R2T Thermistor (discharge)
R3T Thermistor (suction 1)
R4T Thermistor (heat exchanger)
R5T Thermistor (suction 2)
R6T Thermistor (subcool heat exchanger)
R7T Thermistor (liquid pipe)
R10T Thermistor (fin)
S1NPH High pressure sensor
S1NPL Low pressure sensor
S1PH High pressure switch
S1S Air control switch (option)
S2S Cool/heat selector switch (option)
V1R IGBT power module (A2P)
V2R, V3R Diode module (A2P)
X*A PCB connector
X*M Terminal strip
X*Y Connector
X37A Connector (power supply for option PCB)
Y1E Electronic expansion valve (main)
Y3E Electronic expansion valve (subcool heat exchanger)
Y1S Solenoid valve (4‑way valve)
Z*C Noise filter (ferrite core)
Z*F Noise filter
21 Disposal
NOTICE
Do NOT try to dismantle the system yourself: dismantling
of the system, treatment of the refrigerant, oil and other
parts MUST comply with applicable legislation. Units
MUST be treated at a specialised treatment facility for
reuse, recycling and recovery.