Haier InoSens MRV SI AU072FPEUA Manuals

Manuals and User Guides for Haier InoSens MRV SI AU072FPEUA. We have 2 Haier InoSens MRV SI AU072FPEUA manuals available for free PDF download: Service Manual, Installation Manual

Haier InoSens MRV SI AU072FPEUA Service Manual

Haier InoSens MRV SI AU072FPEUA Service Manual (94 pages)

Brand: Haier | Category: Air Conditioner | Size: 23.29 MB

Table of Contents

Table of Contents
2
General Information
3
Indoor Units Lineup
3
Specification
6
Dimension
12
Function Parts Layout
14
Center of Gravity
16
Refrigerant Circuit
18
Wiring Diagram
21
Precautions before Operation
22
Dial Code Description
22
Symbol Description
22
Performance Curves
23
Correction Factor for Pipe Length and Drop
26
Selection Procedure
27
Operation Range
28
Noise Level
29
Outdoor Installation
30
Safety
30
Installation Instruction
32
Installation Place Selection
32
Transportation
33
Lifting
33
Manual Handling
33
Hoisting Method
33
Installation and Maintenance Space
35
Precautions on Installation
36
Refrigerant Pipe Connection
37
Pipe Material and Specs Selection
37
Drain Pipe Disposal
38
Pipe Specification
38
Piping Connection Method
39
Long Pipe and High Drop
40
Unit Pipe Spec and Connection Method
40
Branch Pipe
40
Heat Insulation
41
Fix the Refrigerant Pipe
41
Pipe Installation
41
Leakage Test
42
Evacuation
42
Check Vale Operation
43
Additional Refrigerant Charging
43
Communication Wiring Figure
44
Outdoor Power Source and Power Cable
45
Indoor Power Source and Communication Wiring
46
Communication Wire for Wired Controller
46
Outdoor Unit Electrical Wiring Diagram
47
PCB Photo
48
Dip Switch Setting
50
Outdoor Digital Tube Display Setting
51
Indoor Unit Parameter View
51
E2 Control Parameters Display and Setting
54
Outdoor Unit Valve Control
55
Examination of Local EE Data
55
Outdoor Unit Control
56
Compressor Startup Control
56
Compressor Output Control
56
Defrosting Control
57
Oil Return Control
57
Entering Condition
57
Quit Defrosting
57
Oil Return Quit Condition
58
Failure Code
59
Troubleshooting
63
Temperature Sensor Failure
63
High/Low Pressure Sensor Failure
63
Communication Circuit between Indoor and Outdoor
64
Outdoor EEPROM Failure
65
4-Way Valve Reversing Failure
65
High Pressure Switch Shutoff Failure
66
Protection of Discharging Temp. too High
66
Protection of Oil Temperature too Low
67
Low Pressure too Low and Compression Ratio too High
68
Compression Ratio too Low
68
High Pressure Protection
69
Discharging Temp. Sensor Td too Low Protection
70
Communication with Inverter Module Failure
70
Low Pressure Switch Failure
71
Current Sensor Failure
71
CT over Current
72
DC Motor Blocked
73
No Pressure Drop between High Pressure and Low One
74
Compressor Current Protection
75
Power Module Overcurrent
76
Compressor out of Control
77
IPM Modular Temp. too High Protection
77
Radiator of Transducer Temp. too High
77
Protection of Overload
78
Voltage too Low of DC Bus Line of Transducer
78
Voltage too High of DC Bus Line of Transducer
79
Communication Abnormal between Transducer and Control PCB
79
Transducer over Current (Software Protection)
80
Compressor Startup Failure
80
Current Detecting Circuit Abnormal of Transducer
81
Radiator Temp. Sensor of Transducer Abnormal
81
Power Supply of Transducer Abnormal
82
Power Supply of Inverter Board Is Abnormal
82
Sensor Characteristic
83
Enthalpy-Humidity Chart
92

Haier InoSens MRV SI AU072FPEUA Installation Manual

Haier InoSens MRV SI AU072FPEUA Installation Manual (28 pages)

Brand: Haier | Category: Air Conditioner | Size: 3.37 MB

Table of Contents

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Air Conditioner

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