SiUS34-907 List of Electrical and Functional Parts
List of Electrical and Functional Parts 21
1. List of Electrical and Functional Parts
1.1 Outdoor Unit
Item Name Symbol
Model
Remark
(PCB terminal)
RXYMQ-PVJU
Compressor
Inverter
Type
M1C
JT100G-VDL@T Relay
Output 2.2kW A1P X102A
Crankcase heater (INV.) E1HC 33W A1P X28A
Fan motor
Motor M1F·M2F 0.07kW —
Overcurrent relay — 3.2A —
Functional
parts
Electronic expansion
valve (Main)
Cooling
Y1E
480pls
A1P X21A
Heating PI control
Electronic expansion
valve (Subcooling)
Cooling
Y3E
PI control
A1P X22A
Heating PI control
Four-way valve Y1S STF-01AQ1743A1 A1P X25A
Solenoid valve (Hot gas) Y2S TEV-1620DQ2 A1P X26A
Solenoid valve (Unload circuit) Y3S TEV-1620DQ2 A1P X27A
Pressure-
related parts
Pressure switch (INV.) S1PH
ACB-4UB10
OFF: 580+0/–21.8psi ON: 435±21.8psi
A1P X32A
Fusible plug — DFP-3L 158~167°F —
Pressure sensor (HP) S1NPH PS8051A 0~602psi A1P X17A
Pressure sensor (LP) S1NPL PS8051A –7.25~247psi A1P X18A
Thermistor
Main
PCB
For outdoor air R1T 3.5~360kΩ A1P X11A
For discharge pipe R2T 5.0~640kΩ A1P X12A 1-2Pin
For suction pipe 1 R3T 3.5~360kΩ A1P X12A 3-4Pin
For heat exchanger R4T 3.5~360kΩ A1P X12A 5-6Pin
For suction pipe 2 R5T 3.5~360kΩ A1P X12A 7-8Pin
For subcooling heat
exchanger
R6T 3.5~360kΩ A1P X13A 1-2Pin
For liquid pipe R7T 3.5~360kΩ A1P X13A 3-4Pin
Others
Fuse (A3P) F1U AC250V 6.3A —
Fuse (A1P) F4U AC250V 6.3A —
Fuse (A1P) F6U AC250V 5.0A —
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