Table Of Contents - Haier HSU-18HEA03/R2(DB)-I Service Manual

Table of Contents

Service Manual1
Wall Mounted Type1
Table Of Contents2
Caution In Repair3
Introduction3
Safety Cautions3
Cautions Regarding Products After Repair4
Inspection After Repair6
List Of Functions7
Specifications8
Printed Circuit Board Connector Wiring Diagram10
Indoor Unit Connectors10
Outdoor Unit11
Main Functions And Control Specification Of Indoor Unit14
Cooling Operation Mode14
Dehumidification Mode14
Funcitions And Control14
Heating Operation Mode15
Strength Operation15
Mute Operation16
Air Refreshing16
Timing16
Dormant Operation16
Urgent On/Off Input17
Low Load Protection Control17
High Load Protection Control17
Malfunction List Resume18
Abnormality Confirmation Approaches18
Power Cut Compensation18
The Control System Of Outdoor Unit19
The Operation Frequency Of Outdoor Unit And Its Control19
The Outdoor Fan Control (Exchange Fan)19
The Starting Of Compressor19
Four Way Control20
The Outdoor Defrosting Control20
The Outdoor Fan Control When Heating20
Protection Function21
Ttc High Temperature-Preventing Protection21
Tc High Temperature-Preventing Control Of The Indoor Heating Unit21
The Control Of Preventing The Overcurrent Of The Compressor22
The Protection Function Of Ac Current22
Antifreezing Protection Of The Indoor Heat Exchanger23
The Socket Protect23
Temperature Protection Of The Outdoor Refrigerating Coil23
Malfunction Display And Malfunction Handling23
Value Of Thermistor24
System Configuration34
Cautions35
Disposal Of The Old Air Conditioner35
Safety Instructions And Warnings35
Safe Installation37
Safety Instruction37
Parts And Functions39
Product View39
Clock Set41
Remote Controller's Operation41
Loading Of The Battery41
Operation42
Health Anion Function42
Auto Operation43
Cool Operation44
Dry Operation45
Fan Operation46
Heat Operation47
Air Flow Direction Adjustment48
Sleep Operation49
Remote Controller49
Timer On/Off Operation50
Timer On-Off Operation51
Power/Soft Operation52
Health Airflow Operation53
Removal Of The Restriction Of Emergency Or Test Operation54
Emergency And Test Operation54
Maintenance55
Replacement Of Air Purifying Filter56
To Keep Your Air Conditioner In Good Condition After Season57
Wireless Remote Controller57
Before Setting In High Season58
Cleaning The Standard Air Filter58
Trouble Shooting59
Service Diagnosis60
Problem Symptoms And Measures60
Error Codes And Description Indoor Display60
Caution For Diagnosis60
Thermistor Or Related Abnormality (Indoor Unit)61
Fan Motor (Dc Motor) Or Related Abnormality62
Indoor Eeprom Abnormal64
Ipm Protection65
The Communication Fault Between Ipm And Outdoor Pcb66
Thermistor Or Related Abnormality (Outdoor Unit)67
Overheat Protection For Exhaust Temperature68
The Eeprom Abnormality (Outdoor Unit)69
High Work-Intense Protection70
Power Supply Over Or Under Voltage Fault71
Loop Of The Station Detect Error72
Over-Current Of The Compressor73
Communication Error Between The Indoor And Outdoor Units74
Installation76
Selection Of Installation Place77
Power Source77
Selection Of Pipe77
Indoor Unit Installation78
Fitting Of The Mounting Plate And Positioning Of The Wall Hole78
Making A Hole On The Wall And Fitting The Piping Hole Cover78
Drawing Of Pipe79
Fixing The Indoor Unit Body79
Unloading Of Indoor Unit Body79
Easily-Demount Cleaning Of Indoor Unit79
Installation Of The Indoor Unit79
Connecting The Indoor/Outdoor Electric Cable80
Attaching Drain-Elbow81
Installation Of Outdoor Unit81
Connection Of Pipes81
Purging Method: To Use Vacuum Pump82
Power Source Installation83
Cutting And Flaring Work Of Piping83
On Drainage83
Check For Installation And Test Run83
The Removal Procedure Of Indoor Unit84
Removal Of Air Filter86
Removal Of The Blade87
Removal Of Front Case88
Removal Of Vertical Blades And Display Board90
Removal Of Fan Drain Pan And Electrical Box91
Removal Of Fan Motor And Heat Exchanger92
The Removal Procedure Of Outdoor94
Removal Of Outdoor Panel94
Romoval Of Electrcal Box96
Romoval Of The Side Panel97
Romoval Of Compressor And Heat Exchanger103
Piping Diagrams107
Appendix107
Wiring Diagrams108
Outdoor Unit Wiring Diagram109
Outdoor Pcb109
Circuit Diagrams110
Description Of Coding Rules Of Unit Model113