Table Of Contents - Haier H-MRV Series Service Manual

Table of Contents

General Information3
Model Code Description3
H-Mrv Series Line Up3
Product Features5
Specifications8
Specifications For Indoor Units11
Dimensions19
Parts Name23
Indoor Units23
Controller Functions26
About Health Function32
Infrared Controller34
Cool, Heat And Dry Operation36
Loading The Battery36
Replacing The Battery Compartment Lid36
Confirmation Indicator36
Timer On-Off Function37
Health & Fresh Air Operation38
Health Operation38
About Health Operation38
About Fresh Air Operation38
Series Remote Controller Units39
Refrigerant Circuit41
Installation Instruction43
Outdoor Installation43
Piping Dimension Chart51
Y-Shape Manifold Pipe51
Refrigerant Pipes Between Manifold Pipes52
Instructions For The Electrical Expansion Valve Boxes54
Installation Position54
Installation Place54
Piping Length And Drop Between Units57
Combination Example58
Install A Suspending Bolt68
Installation Of Outdoor Unit68
Installation Of Water Drainage Pipe68
Installation Of Ornament Panel69
Cautions For The Water Drainage Lifting Pipe69
Cautions For Operation The Panel70
Convertible Indoor Unit71
Standard Accessories71
Remove The Intake Grill71
Drilling For Piping71
Installing Drain Hose72
Under Ceiling Type72
Installing Brackets73
Installing Indoor Unit73
Install The Drain Hose74
Gas Leakage Inspection74
How To Connect Wiring To The Terminals74
For Strand Wiring75
Electrical Wiring75
Indoor Unit Side76
Test Running77
Check Items77
Customer Guidance77
Mount The Cover Plate78
Mount The Intake Grill78
Installation Of Indoor Unit Duct80
Installation Of Air Sending Duct80
Installation Of Air Return Duct80
Thermal Insulation Of Duct81
Installing The Suspension Screw81
Hanging Of The Indoor Unit81
Requirements82
Pipe And Insulation Material82
Hose82
Connection Of Refrigerant Pipe83
Vacuum Pumping83
Insulation Treatment83
Selection Of Installation Place84
Fixing The Unit84
Schematic Diagram For Unit Connection85
Connection Pipe Dimensions85
Cautions For Pipe Connection85
Electric Wiring86
Arrangement Drain Hose86
Wiring Of Indoor Unit86
Wiring Diagram86
Power Supply Requirements87
Piping Cutting And Flaring87
Installation For As07~1888
Precaution89
Self-Contained Accessories89
Electrical Requirements89
Accessories90
Method For Cutting And Expanding Pipes90
When The Mounting Plate Is Firstly Fixed91
Making A Hole On The Wall And Fitting The Piping Hole Cover91
Drawing Of Pipe91
Other Direction Piping92
Fixing The Indoor Unit Body92
Check The Layout Of The Drain Pipe And Connection Wires93
Trial Operation93
Winding Up With Protective Plastic Tape93
Display Of Whole Unit94
Fixing Of The Unit94
Position Of The Wall Hole94
Making A Hole94
Connecting Method95
Piping Connection Of Indoor Unit95
Arrangement Of Piping And Drainage Pipe95
Arrangement Of Drain Hose96
Wiring Of Outdoor Unit97
Electric Control Functions98
Protection At Startup98
Soft Startup98
Outdoor Fan Motor Control98
Heat Exchanger Temperature Sensor Te99
Oil Return Operation In Cooling99
Refrigerant Return Control In Heating99
Remains Heating Operation99
Electric Control Functions Of Au48Nfibia100
Capacity Control Of Compressor100
Startup Control Of Compressor100
Defrost Control102
Defrosting Beginning Conditions102
Defrosting Finish Conditions102
Protection During Defrost102
Oil Return Operation103
Compressor Overheat Protection103
Oil Return Operation In Heating103
Input Protection Signal103
Jumping Frequency Point Design104
Time Shorting Function104
Indoor Unit Electric Control Functions105
Cooling Mode105
Characteristic Of Electronic Expansion Valve (Eev)105
Fan Motor Control105
Anti-Freezed Operation Start Condition106
Anti-Freezed Operation Stop Condition106
Dry Operation Mode106
Fan Speed Control106
Temperature Compensation107
Anti-Cold Air Operation107
Correction Of Overheat Value107
Correction Of Discharging Temperature107
Emergent Switch108
Perform 2 Seconds Later108
Fresh Air Function108
Indoor Unit Number Setting108
Indoor Communication Abnormal109
Time-Shorting Function109
Auto Restart Function109
Abnormal Mode109
Electrical Wiring Diagram110
Outdoor Wiring Diagram110
Outdoor Wiring Diagram For Au48Nfibia111
Power Supply111
Control Board111
Outdoor Wiring Diagram For Au482Fibha112
Ab092/142/182Fcbha Indoor Wiring Diagram113
Indoor Pcb113
Ac142/182Fcbha Indoor Wiring Diagram114
Indoor Unit Wiring Diagram Ae07/09/12/14/18/242Fcbka115
Indoor Control Board115
Electronic Expansion Valve Wiring Diagram116
Electric Data120
Pcb Circuit Diagram And Main Electric Part Specs120
Au242Fhbha Pcb Circuit Diagram120
Au242Fhbha Pcb Top Layer Printed Diagram121
Au242Fhbha Pcb Bottom Layer Printed Diagram122
Main Parts Of Au242Fhbha Pcb123
Au242Fhbha Pcb Ports Name And Functions125
Au482Fibha High Voltage Pcb Circuit Diagram126
Au482Fibha High Voltage Pcb Printed Diagram127
Au482Fibha Low Voltage Pcb Circuit Diagram130
Au482Fibha Low Voltage Pcb Printed Diagram131
Main Parts Of Au482Fibha Low Voltage Pcb132
Au482Fibha Pcb Ports Name And Functions134
Combination Control With Outdoor Switches136
Au48Nfibia Power Module Board Circuit Diagram139
Au48Nfibia Low Voltage Board Circuit Diagram140
Au48Nfibia Filter Board Circuit Diagram141
Au48Nfibia Driving Board Circuit Diagram142
Au48Nfibia Power Module Board Parts List143
Au48Nfibia Filter Board Parts List145
Au48Nfibia Pcb Ports Name And Functions148
Control Board 0010451530149
Power Board 0010451531150
Filter Board 0010451536150
Ab092~182Fcbha Pcb Circuit Diagram151
Ab092~182Fcbha Pcb Printed Diagram152
Main Parts Of Ab092,142,182Fcbha Pcb153
Ae**Fcbka Pcb Circuit Diagram155
Ae**Fcbka Pcb Printed Diagram156
Main Parts Of Ae072~242Fcbka Pcb157
Sensor Characteristic160
Failure Code And Troubleshooting163
Au242Fhbha Fault Code List163
Au242Fhbha Troubleshooting164
Communication Failure Between Indoor And Outdoor Units164
Sensor Failure165
Eeprom Failure165
Over Current Protection165
Ipm Power Module Protection166
Discharging Temperature Protection167
High Pressure Overhigh Protection168
Au482Fibha Fault Code List169
Au482Fibha Troubleshooting171
Au48Nfibia Malfunction Code178
Au48Nfibia Troubleshooting179
Communication Failure179
Over Current Protection: Outdoor Led302 Flashes 6 Times181
Testing Board For Au48Nfibia186
Fault Code List For H-Mrv Indoor Unit187
H-Mrv Indoor Unit Troubleshooting188
Replace The Fan190
Performance Curves193
Calculation Method194
Noise Curves195