Table Of Contents - Haier AU082FYCRA(HW) Service Manual

Table of Contents

Table Of Contents2
Outdoor Units Lineup3
Nomenclature4
Feature5
Energy Saving And High Reliability5
Flexible And Convenient Control5
Integrated And Compact Design5
Description Of Main Components6
Air Cooled Coils6
Fan Motor6
Hydraulic Module6
Specifications8
Dimensions11
Piping Diagram13
Wiring Diagram16
Electric Characteristics18
Capacity Tables19
Cooling Capacity19
Operation Limits Delivery-Leaving25
Ethylene Glycol Solutions25
Fouling Factors26
Water Pressure Drop27
Sound Level29
Installation30
Safety31
Loading And Unloading/Transporting Management/Storage Requirements33
Loading And Unloading Requirements33
Transporting Management Requirements33
Storage Requirements33
Unpacking Inspection34
Inspection On Installation Environment34
Safety Principles Of Installation34
Electrical Safety Requirements34
Fixing35
Post-Installation Inspection Items And Test Run35
Maintenance Instructions35
Maintenance Precautions35
Inspection On Maintenance Environment36
Maintenance Site Requirements36
Leak Detection Methods36
Safety Principles37
Maintenance Requirements37
Maintenance Of Electrical Components37
Maintenance Of Intrinsically Safe Elements37
Removal And Vacuumizing38
Welding38
Refrigerant Charging Procedures38
Scrapping39
Precautions For Handling Units For Use With R3242
Before Installing The Unit42
Before Installing (Relocating) The Unit Or Performing Electric Work43
Before The Test Run43
General Information44
Combination And Options44
Accessories44
Transportation And Lifting45
Hoisting Method45
Manual Handling45
Installation Instruction46
Installation Place Selection46
Installation And Maintenance Space47
Multi-Unit Installation47
Back And Side47
Front And Back47
Precautions On Installation48
Foundation Work48
Drain Work Of The Outdoor Unit49
Requirements And Recommendations For The Hydraulic Circuit49
Hydraulic Circuit50
Air Purging50
Anti- Freezing50
Minimum Flow Rate51
Filter51
Expansion Tank51
Heat Loss51
Water Control52
Electric Wiring And The Application53
General Check53
Inspect53
Connection53
Communication Wiring Figure54
Power Wiring Figure54
Outdoor Power Source And Power Cable55
Communication Wire For Wired Controller55
Outdoor Unit Electrical Wiring Diagram56
Pcb Photo57
Dip Switch Setting58
Bm1 Introduction58
Bm2 Introduction58
Bridge Instruction58
Digital Tube Display59
Startup & Running & Maintenance61
Preparing For First Start Up61
Operating Characteristics61
Compressor Start Up Delay61
Fan Speed Control62
Frost Prevention Alarm62
Water Flow Alarm62
Routine Maintenance62
Chemical Washing63
Refrigerant Gas Content63
Shutting Down For Long Periods63
Yr-E27(Optional Wired Controller)64
Interface Display64
Key And Icon65
Operation66
Basic Function Description66
Setting Special Functions67
Child Lock67
On/Off67
Forced To Start Pump (For Debugging)67
Timer71
Week And Clock Function Settings73
Dip Switch73
Wired Controller Wiring Instruction73
Error Code75
Troubleshooting76
Temperature Sensor Failure76
If Sensor Terminal Is Fixed Well76
System Water Flow Protection77
Led Displays 08E/10E77
High/Low Pressure Sensor Failure78
High Pressure Switch Failure79
Outdoor Eeprom Failure80
If The Eeprom Is Fixed Well80
Low Pressure Too Low And Compression Ratio Too High82
Compression Ratio Too Low83
High Pressure Too High Failure84
Discharging Temp. Sensor Td Too Low Protection85
Communication With Inverter Module Failure86
Ct Current Too Low Or Current Sensor Failure87
Ct Current Too High88
Dc Motor Blocked89
Pressure Difference Between High Pressure And Low Pressure Is Abnorma90
Compressor Current Protection91
Transient Over Current In Ipm Module Rectifier Side Software91
Ipm Module Hardware Over Current91
Transient Over Current In Ipm Module Rectifier Side Hardware91
Compressor Out Of Control92
The Compressor Start Failure92
Radiator Temp. Of Transducer Too High93
Ipm Module Temp. Too High93
Protection Of Overload94
Voltage Too Low Of Dc Bus Line Of Transducer95
Voltage Too High Of Dc Bus Line Of Transducer96
Communication Abnormal Between Transducer97
Transducer Over Current (Software Protection)98
Current Detection Circuit Of Transducer Is Abnormal99
Power Supply Of Transducer Abnormal100
Power Supply Of Inverter Board Is Abnormal101
Radiator Temp. Sensor Of Transducer Abnormal102
Appendix Sensor Resistance Table103