Sungrow SG30KU, Руководство пользователя

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5.3.3 Installing on the Floor .......................................................................................... 28
5.3.4 Horizontally Installing .......................................................................................... 29
6 Electrical Connection ............................................................. 31
6.1 Connection Conduit Entries ............................................................................ 32
6.2 Combiner Unit Description ............................................................................. 33
6.3 Connecting Inverter to AC Grid ..................................................................... 35
6.3.1 AC Side Requirements .......................................................................................... 35
6.3.2 Grid Connection ..................................................................................................... 35
6.4 Connecting Inverter to PV Arrays .................................................................. 38
6.4.1 PV Inputs Configuration ...................................................................................... 39
6.4.2 PV Connection Procedures ................................................................................. 41
6.5 Grounding the Inverter ..................................................................................... 43
6.5.1 Grounding System Overview............................................................................. 43
6.5.2 Second Protective Earth Terminal .................................................................... 44
6.6 Communication Connection .......................................................................... 45
6.6.1 Communication Overview.................................................................................. 45
6.6.2 Communication System ...................................................................................... 46
6.6.3 RS485 Communication Connection ................................................................ 48
6.6.4 Configurable Dry Contact ................................................................................... 50
6.6.5 RS485-NET Converting Card (Optional) ......................................................... 50
7 Commissioning ...................................................................... 51
7.1 Inspection before Commissioning ............................................................... 51
7.2 Commissioning Procedure .............................................................................. 51
8 Disconnecting, Dismantling and Disposing the Inverter .... 54
8.1 Disconnecting the Inverter ............................................................................. 54
8.2 Dismantling the Inverter .................................................................................. 55
8.3 Disposing the Inverter ...................................................................................... 57
9 Troubleshooting and Maintenance ...................................... 58
9.1 Troubleshooting .................................................................................................. 58
9.1.1 Troubleshooting of LED Indicator .................................................................... 58
9.1.2 Arc Fault Detection Self-test Fault ................................................................... 59