Gree GKH(12)BA-K3DNA1A/I, Service Manual

Page: 4 / 207

Super Free Match
Service Manual
8.1 Material Quality Requirements for Condensate Pipe ........................................................ 113
8.2 Key Points for Condensate Pipe Installation...................................................................... 113
9 Installation of Protective Layer on Connection Pipe ......................................................... 117
MAINTENANCE .................................................................................................... 119
1 Testing Board Introduction ................................................................................................ 119
1.1 Compose of Testing Board................................................................................................. 119
1.2 Instruction of Function and Data Section .......................................................................... 119
1.3 Process Control Setting......................................................................................................120
2 Troubleshooting .................................................................................................................123
2.1 Check before Contacting Maintenance Serviceman ..........................................................123
2.2 Problem Handling ..............................................................................................................124
2.3 Error description ................................................................................................................124
3 FLOW CHART OF TROUBLESHOOTING ....................................................................127
3.1 Malfunction display: High Pressure Protection .................................................................127
3.2 Malfunction display: Low Pressure Protection..................................................................128
3.3 Malfunction display: Discharge temperature protection....................................................129
3.4 Malfunction display: Current protection............................................................................129
3.5 Malfunction display: Communication error.......................................................................130
3.6 Malfunction display: Indoor unit water full protection......................................................131
3.7 Malfunction display: Temperature sensor error.................................................................131
3.8 Malfunction display: High/Low pressure sensor error ......................................................132
4 POWER DISTRIBUTION.................................................................................................132
4.1 Diagram of Power Distribution..........................................................................................132
4.2 Wiring diagram ..................................................................................................................133
5 THE RESISTANCES OF COMMON TEMPERATURE SENSORS ...............................142
5.1 15 K Ω .................................................................................................................................142
5.2 20 K Ω .................................................................................................................................143
5.3 50 K Ω .................................................................................................................................144
6 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS ..........................147
6.1 Outdoor Unit ......................................................................................................................147
6.2 Indoor unit..........................................................................................................................152
7 EXPLODED VIEWS AND PART LIST............................................................................162
7.1 Outdoor unit .......................................................................................................................162
7.2 Indoor unit..........................................................................................................................165
7.3 BU Module.........................................................................................................................201