Daikin VRVIII-S, Service Manual

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List of Electrical and Functional Parts SiENBE34-703
34 List of Electrical and Functional Parts
1. List of Electrical and Functional Parts
1.1 Outdoor Unit
Item Name Symbol
Model
Remark
(PCB terminal)
4HP 5HP 6HP
Compressor
Inverter
Type
M1C
JT1G-VDLYR Relay
Output 2.5kW 3.0kW 3.5kW A2P X102A
Crankcase heater (INV) E1HC 33W A1P X28A
Fan motor
Motor M1F·M2F 0.07kW —
Over-current relay — 3.2A —
Functional
parts
Electronic expansion
valve (Main)
Cooling
Y1E
480pls
A1P X21A
Heating PI control
Electronic expansion
valve (Subcool)
Cooling
Y3E
PI control
A1P X22A
Heating PI control
4 way valve Y1S STF-0404G A1P X25A
Solenoid valve (Hot gas) Y2S TEV1620DQ2 A1P X26A
Solenoid valve (Unload circuit) Y3S TEV1620DQ2 A1P X27A
Pressure-
related parts
Pressure switch (INV) S1PH
ACB-4UB10
OFF: 4.0+0/-0.15MPa ON: 3.0±0.15MPa
A1P X32A
Fusible plug — FPGH-3D 70~75°C —
Pressure sensor (HP) S1NPH PS8051A 0~4.15MPa A1P X17A
Pressure sensor (LP) S1NPL PS8051A –0.05~1.7MPa A1P X18A
Thermistor
Main
PCB
For outdoor air R1T 3.5~360k
Ω
A1P X11A
For discharge pipe R2T 5.0~640k
Ω
A1P X12A 1-2Pin
For suction pipe 1 R3T 3.5~360k
Ω
A1P X12A 3-4Pin
For subcooling heat
exchanger
R4T 3.5~360k
Ω
A1P X12A 5-6Pin
For suction pipe 2 R5T 3.5~360k
Ω
A1P X12A 7-8Pin
For heat exchanger R6T 3.5~360k
Ω
A1P X13A 1-2Pin
For liquid pipe 1 R7T 3.5~360k
Ω
A1P X13A 3-4Pin
For liquid pipe 2 R8T 3.5~360k
Ω
A1P X13A 5-6Pin
Others Fuse (A1P) F1U AC250V 6.3A Time lag fuse —