Sungrow SG36KTL-M, User Manual

Page: 6 / 101

IV
6 Electrical Connection ............................................................. 28
6.1 Terminals Description ..................................................................................... 28
6.2 Connecting Inverter to AC Grid ................................................................... 30
6.2.1 AC Side Requirements ....................................................................................... 30
6.2.2 Grid Connection .................................................................................................. 32
6.3 Connecting Inverter to PV Arrays ................................................................ 36
6.3.1 PV Inputs Configuration .................................................................................... 36
6.3.2 PV Connection Procedures ............................................................................... 38
6.4 Grounding the Inverter .................................................................................. 41
6.4.1 Grounding System Overview .......................................................................... 41
6.4.2 Second Protective Earth Terminal .................................................................. 42
6.5 Communication Connection ........................................................................ 43
6.5.1 Communication Overview ............................................................................... 43
6.5.2 Communication System .................................................................................... 44
6.5.3 RS485 Communication Connection .............................................................. 45
7 Commissioning ...................................................................... 47
7.1 Inspection before Commissioning ............................................................. 47
7.2 Commissioning Procedure ............................................................................ 47
8 Disconnecting, Dismantling and Disposing the Inverter .... 51
8.1 Disconnecting the Inverter ........................................................................... 51
8.2 Dismantling the Inverter................................................................................ 51
8.3 Disposing the Inverter .................................................................................... 52
9 Troubleshooting and Maintenance ...................................... 53
9.1 Troubleshooting ............................................................................................... 53
9.1.1 Troubleshooting of LED Indicator .................................................................. 53
9.1.2 Troubleshooting of Faults in LCD Screen ..................................................... 53
9.2 Maintenance ...................................................................................................... 58
9.2.1 Routine Maintenance ......................................................................................... 58
9.2.2 Maintenance Instruction ................................................................................... 58
10 Operation of LCD Display ...................................................... 61
10.1 Description of Button Function ................................................................... 61