Sungrow SG33CX-P2 - Page 8

VI
4.5.3 Pole Installation ..................................................................................28
4.6 Installing the Inverter.....................................................................................29
4.7 Installing Optimizer(Optional) ........................................................................31
5 Electrical Connection .....................................................................................33
5.1 Safety Instructions ........................................................................................33
5.2 Terminal Description .....................................................................................35
5.3 Electrical Connection Overview .....................................................................36
5.4 Crimp OT/DT terminal...................................................................................38
5.5 External Protective Grounding Connection .....................................................39
5.5.1 External Protective Grounding Requirements ........................................40
5.5.2 Connection Procedure.........................................................................40
5.6 AC Cable Connection ...................................................................................41
5.6.1 AC Side Requirements ........................................................................41
5.6.2 Requirements for OT/DT Terminal ........................................................42
5.6.3 Connection Procedure.........................................................................42
5.7 DC Cable Connection ...................................................................................46
5.7.1 PV Input Configuration ........................................................................48
5.7.2 Assembling PV Connectors .................................................................49
5.7.3 Installing PV Connector .......................................................................50
5.8 Communication Connection ..........................................................................55
5.8.1 Wireless Communication Module Connection (optional).........................55
5.8.2 WiNet-S/WiNet-S2 Connection (optional)..............................................56
5.8.2.1 Ethernet Communication............................................................56
5.8.2.2 WLAN Communication...............................................................58
5.8.3 RS485 Connection ..............................................................................58
5.8.3.1 Assembling the COM Connector.................................................59
5.8.3.2 Installing the COM Connector .....................................................61
5.8.4 Smart Energy Meter Connection ..........................................................62
5.8.5 Dry Contact Connection.......................................................................62
5.8.5.1 Dry Contact Function .................................................................62
5.8.5.2 Wiring Procedure.......................................................................64
5.8.6 DRM Connection.................................................................................64
5.8.6.1 Assembling the COM Connector.................................................66
5.8.6.2 Installing the COM Connector .....................................................68
6 Commissioning ...............................................................................................69
6.1 Inspection Before Commissioning..................................................................69