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Air Conditioner
AU052FPERA
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Haier AU052FPERA - Appendix I: Sensor Resistance Table
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65
Appendix I: Sensor Resistance T
able
Code
Resistance
Description
0010450192
10K
Outdoor ambient temp. sensor
0010450194
10K
Defrosting temp. sensor
0010451303
50K
Discharging temp. sensor
0010451307
10K
Suction temp. sensor
66
68
Table of Contents
Main Page
Default Chapter
1
Service Manual
1
Table of Contents
2
1 General Information
3
Outdoor Models and External Appearance
3
Feature
4
High Energy Efficiency
4
Comfort
4
2 Specification
5
3 Dimension
9
4 Piping Diagram
10
Wiring Diagram AU04/05/062FPERA
12
Wiring Diagram AU04/05/06IFPERA
13
6 Capacity Calculation Due to Capacity Modification Coefficient
14
7 Operation Range
16
8 Sound Level
17
Testing Illustration
17
Testing Condition:
17
9 Outdoor Piping Installation
18
Safety
18
Installation Instruction
20
Before Installation
20
Installation Place Selection
20
Transportation
21
Refrigerant Pipe Connection
21
Cautions in Piping Installation
21
Pipe Material and Specs Selection
22
Precautions on Installation
22
Foundation Work
22
Selection of Installation Location of Outdoor
23
Single-Unit Installation
23
Multi-Unit Installation
23
Drain Pipe Disposal
24
Pipe Specification
24
Copper Pipe Selection
25
Long Pipe and High Drop
25
Unit Pipe Spec and Connection Method
25
Outdoor Unit
25
Branch Pipe
26
Pipe Spec and the Torque
26
Pipe Installation
27
Leakage Test
28
Evacuation
28
Check Valve Operation
28
Heat Insulation
29
Fix the Refrigerant Pipe
29
Additional Refrigerant Charging
29
Trial Operation and the Performance
30
Defrosting in Heating Mode
30
Protection Device (such as High Pressure Switch)
30
System Marks
30
Trial Operation
31
10 Outdoor Wiring Installation
32
Communication Wiring Figure
32
Power Wiring Figure
32
Outdoor Power Source and Power Cable
33
Indoor Power Source and Communication Wiring
33
Communication Wire for Wired Controller
33
11 Outdoor Unit PCB
34
12 Dip Switch Setting
35
BM1 Introduction
35
Bridge Instruction
36
13 Monitor Tools
37
14 Outdoor Unit Control
39
Compressor Startup Control
39
Compressor Output Control
39
Outdoor Fan Motor Control
39
Defrosting Control
41
Oil Return Control
41
Quit Defrosting
41
Oil Return Quit Condition
42
Inverter Outdoor Unit Failure Code
43
16 Troubleshooting
47
[20-23] Temperature Sensor Failure
47
[122] Radiator Temp. Sensor of Transducer Abnormal
47
[26-0, 26-1, 26-2] Communication Circuit between Indoor and Outdoor
48
[28, 29] High/Low Pressure Sensor Failure
49
[30] High Pressure Switch Failure
50
[33] Outdoor Eeprom Failure
51
[34] Protection of Discharging Temp. too High
51
[35] 4-Way Valve Reversing Failure
52
[39-0, 39-1] Low Pressure too Low and Compression Ratio too High
53
[39-2] Compression Ratio too Low
53
[40] High Pressure too High Failure
54
[43] Discharging Temp. Sensor Td too Low Protection
55
[46] Communication with Inverter Module Failure
55
[53] CT Current too Low or Current Sensor Failure
56
[64] CT Current too High
57
[71-0,71-1 ] DC Motor Blocked
58
[82] Compressor Current Protection
60
[108] Transient over Current in IPM Module Rectifier Side Software
60
[110] IPM Module Hardware over Current
60
[123] Transient over Current in IPM Module Rectifier Side Hardware
60
[111] Compressor out of Control
61
[118] the Compressor Start Failure
61
[112] Radiator Temp. of Transducer too High
61
[81] IPM Module Temp. too High
61
[113] Protection of Overload
62
[114] Voltage too Low of DC Bus Line of Transducer
62
[115] Voltage too High of DC Bus Line of Transducer
63
[116] Communication Abnormal between Transducer and Control PCB
63
[117] Transducer over Current (Software Protection)
64
[119] Current Detection Circuit of Transducer Is Abnormal
64
[120] Power Supply of Transducer Abnormal
65
[121] Power Supply of Inverter Board Is Abnormal
65
Appendix I: Sensor Resistance Table
67
Appendix II: Enthalpy-Humidity Chart
76
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