Table Of Contents - Gree GWH12ACC-K6DNA1D Service Manual

Table of Contents

Table Of Contents2
Summary4
Part Ⅰ : Technical Information4
Model List5
Specification Sheet6
Operation Characteristic Curve14
Capacity Variation Ratio According To Temperature14
Heating Operation Ambient Temperature Range Is -15ºc~24ºc14
Heating Operation Ambient Temperature Range Is -22ºc~24ºc14
Cooling And Heating Data Sheet In Rated Frequency15
Noise Curve15
Outline Dimension Diagram16
Indoor Unit16
Outdoor Unit17
Refrigerant System Diagram19
Cooling And Heating Model19
Electrical Part20
Wiring Diagram20
Pcb Printed Diagram25
Function And Control29
Remote Controller Introduction29
Buttons On Remote Controller29
Introduction For Icons On Display Screen29
On/Off Button30
Mode Button30
Fan Button30
Turbo Button30
Sleep Button31
I Feel Button31
Timer On/Off Button32
Clock Button32
Wifi Button32
Light Button32
Function Introduction For Combination Buttons33
Operation Guide33
Replacement Of Batteries In Remote Controller33
Energy-Saving Function33
Gree+ App Operation Manual35
Control Flow Chart35
Operating Systems35
Download And Installation35
Ewpe Smart App Operation Manual36
Brief Description Of Modes And Functions37
Basic Function Of System37
Other Control37
Input Parameter Compensation And Calibration41
Basic Functions41
Outdoor Units41
Special Functions42
Control Logic42
Defrosting Control42
Compressor Control42
Overload Protection Function43
Safety Precautions48
Part Ⅱ : Installation And Maintenance48
Safety Precautions For Installing And Relocating The Unit49
Safety Precautions For Refrigerant49
Safety Operation Of Flammable Refrigerant50
Installation Notes50
Maintenance Notes50
Main Tools For Installation And Maintenance51
Installation Dimension Diagram52
Installation Parts-Checking54
Selection Of Installation Location54
Requirements For Electric Connection54
Installation Of Indoor Unit55
Installation Of Outdoor Unit57
Vacuum Pumping And Leak Detection58
Check After Installation And Test Operation58
Maintenance59
Error Code List59
Analysis Or Processing Of Some Of The Malfunction Display66
Procedure Of Troubleshooting67
Malfunction Of Temperature Sensor F1, F267
Malfunction Of Blocked Protection Of Idu Fan Motor H668
Malfunction Of Protection Of Jumper Cap C569
Malfunction Of Zero-Crossing Inspection Circuit70
Malfunction Of The Idu Fan Motor U870
Malfunction Of Detecting Plate(Wifi) Jf71
Capacitor Charge Fault72
Ipm Protection, Phase Current Overcurrent73
High Temperature And Overload Protection Diagnosis74
Start-Up Failure75
Out Of Step Diagnosis For The Compressor76
Overload And Air Exhaust Malfunction Diagnosis77
Communication Malfunction78
Malfunction Of Overcurrent Protection79
Troubleshooting For Normal Malfunction80
Air Conditioner Cant Be Started Up80
Poor Cooling (Heating) For Air Conditioner80
Horizontal Louver Cant Swing80
Odu Fan Motor Cant Operate81
Compressor Cant Operate81
Air Conditioner Is Leaking81
Abnormal Sound And Vibration81
Exploded View And Parts List82
Removal Procedure Of Indoor Unit97
Remove Filter97
Remove Horizontal Louver97
Remove Panel98
Remove Electric Box Cover 2 And Detecting Plate98
Remove Front Case Sub-Assy98
Remove Electric Box Assy99
Remove Evaporator Assy100
Remove Motor And Cross Flow Blade101
Remove Vertical Louver101
Removal Procedure Of Outdoor Unit102
Remove Big Handle102
Remove Top Panel102
Remove Front Grille102
Remove The Front Cover103
Remove Axial Flow Blade103
Remove Protective Grille And Right Side Plate104
Remove 4-Way Valve Assy105
Remove Capillary Sub-Assy105
Remove Motor And Motor Support105
Remove Clapboard Sub-Assy106
Remove Compressor106
Remove Top Cover107
Remove Grille 、Protective Grille And Front Panel108
Remove Right Side Plate、Left Side Plate108
Remove Clapboard109
Remove 4-Way Valve Assy And Electronic Expansion Valve Assy110
Remove Liquid Valve And Gas Valve110
Remove Grille , Panel And Rear Grill111
Remove Left Side Plate And Right Side Plate112
Remove Fan Motor113
Remov E Electric Box113
Remove Fireproof Electric Box And Soundproof Sponge114
Remove Isolation Sheet114
Remove Condenser Sub-Assy115
Appendix117
Appendix 1: Reference Sheet Of Celsius And Fahrenheit117
Appendix 2: Configuration Of Connection Pipe117
Appendix 3: Pipe Expanding Method117
Pipe Expanding Method118
Appendix 4: List Of Resistance For Temperature Sensor119