Daikin ERQ, Service Manual

Page: 24 / 260

List of Electrical and Functional Parts ESIE09-05
14 List of Electrical and Functional Parts
1. List of Electrical and Functional Parts
1.1 Outdoor Unit
ERQ 100/125/140 A7V1B
Item Name Symbol
Model
Remark
(PCB terminal)
4HP 5HP 6HP
Compressor
Inverter
Type
M1C
JT100G-VDL Relay
Output 2.5kW 3.0kW 3.5kW A1P
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
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 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 subcooling 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 —
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