Sungrow SG30CX, User Manual

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VI
4.5 Installing Mounting-bracket............................................................................24
4.5.1 PV Bracket-Mounted Installation ..........................................................24
4.5.2 Wall-Mounted Installation.....................................................................25
4.6 Installing the Inverter.....................................................................................26
5 Electrical Connection
.....................................................................................28
5.1 Safety Instructions ........................................................................................28
5.2 Terminal Description .....................................................................................29
5.3 Electrical Connection Overview .....................................................................30
5.4 Crimp OT/DT terminal ...................................................................................32
5.5 External Protective Grounding Connection .....................................................33
5.5.1 External Protective Grounding Requirements ........................................33
5.5.2 Connection Procedure.........................................................................33
5.6 AC Cable Connection ...................................................................................34
5.6.1 AC Side Requirements ........................................................................34
5.6.2 Requirements for OT/DT Terminal ........................................................36
5.6.3 Connection Procedure.........................................................................36
5.7 DC Cable Connection ...................................................................................39
5.7.1 PV Input Configuration ........................................................................40
5.7.2 Assembling PV Connectors .................................................................41
5.7.3 Installing PV Connector .......................................................................42
5.8 Communication Junction Box ........................................................................43
5.9 Communication Wiring Board ........................................................................44
5.10 RS485 Connection......................................................................................44
5.10.1 Interface Description .........................................................................44
5.10.2 RS485 Communication System ..........................................................45
5.10.3 Connection Procedure(Terminal Block) ...............................................47
5.10.4 Connection Procedure (RJ45 Ethernet Port)........................................48
5.11 Dry Contact Connection ..............................................................................50
5.11.1 Dry Contact Function .........................................................................50
5.11.2 Wiring Procedure...............................................................................52
5.12 DRM Connection （ For Countries “AU” and “NZ” ） ........................................52
5.12.1 DRM Function...................................................................................52
5.12.2 Connection Procedure .......................................................................53
5.13 Communication Module Connection (optional) ..............................................55
6 Commissioning
...............................................................................................56
6.1 Inspection Before Commissioning..................................................................56