Gree R410A Service Manual page 4

Super Free Match
Service Manual
8.1 Material Quality Requirements for Condensate Pipe ........................................................120
8.2 Key Points for Condensate Pipe Installation......................................................................120
9 Installation of Protective Layer on Connection Pipe .........................................................124
MAINTENANCE .................................................................................................... 126
1 Testing Board Introduction ................................................................................................126
1.1 Compose of Testing Board.................................................................................................126
1.2 Instruction of Function and Data Section ..........................................................................126
1.3 Process Control Setting......................................................................................................127
2 Troubleshooting .................................................................................................................129
2.1 Check before Contacting Maintenance Serviceman ..........................................................130
2.2 Problem Handling ..............................................................................................................130
2.3 Error description ................................................................................................................131
3 FLOW CHART OF TROUBLESHOOTING ....................................................................134
3.1 Malfunction display: High Pressure Protection .................................................................135
3.2 Malfunction display: Low Pressure Protection..................................................................135
3.3 Malfunction display: Discharge temperature protection....................................................137
3.4 Malfunction display: Current protection............................................................................137
3.5 Malfunction display: Communication error.......................................................................138
3.6 Malfunction display: Indoor unit water full protection......................................................139
3.7 Malfunction display: Temperature sensor error.................................................................139
3.8 Malfunction display: High/Low pressure sensor error ......................................................140
4 POWER DISTRIBUTION.................................................................................................141
4.1 Diagram of Power Distribution..........................................................................................141
4.2 Wiring diagram ..................................................................................................................142
5 THE RESISTANCES OF COMMON TEMPERATURE SENSORS ...............................151
5.1 15 KΩ.................................................................................................................................151
5.2 20 KΩ.................................................................................................................................152
5.3 50 KΩ.................................................................................................................................153
6 DISASSEMBLY AND ASSEMBLY PROCEDURE OF MAIN PARTS ..........................156
6.1 Outdoor Unit ......................................................................................................................156
6.2 Indoor unit..........................................................................................................................161
7 EXPLODED VIEWS AND PART LIST............................................................................174
7.1 Outdoor unit .......................................................................................................................174
7.2 Indoor unit..........................................................................................................................177
7.3 BU Module......................................................................................................................... 211
PRODUCT 4