4.3 Installation Tools................................................................................................. 22
4.4 Moving the Inverter.............................................................................................24
4.4.1 Manual Transport..................................................................................... 24
4.4.2 Hoisting Transport.................................................................................... 25
4.5 Installing Mounting-bracket.................................................................................26
4.5.1 PV Bracket-Mounted Installation.............................................................. 27
4.5.2 Wall-Mounted Installation......................................................................... 28
4.6 Installing the Inverter.......................................................................................... 29
5 Electrical Connection......................................................................................... 31
5.1 Safety Instructions.............................................................................................. 31
5.2 Terminal Description...........................................................................................33
5.3 Electrical Connection Overview..........................................................................35
5.4 Crimp OT/DT terminal........................................................................................ 37
5.5 External Protective Grounding Connection........................................................ 38
5.5.1 External Protective Grounding Requirements.......................................... 39
5.5.2 Connection Procedure..............................................................................39
5.6 Opening the Wiring Compartment......................................................................40
5.7 AC Cable Connection.........................................................................................41
5.7.1 AC Side Requirements.............................................................................41
5.7.2 Requirements for OT/DT Terminal........................................................... 43
5.7.3 Connection Procedure(For a multi-core cable)........................................ 43
5.7.4 Connection Procedure(L1/L2/L3/N, For four single-core cables)............. 47
5.7.5 Connection Procedure(L1/L2/L3/PE, For four single-core cables)........... 49
5.8 DC Cable Connection.........................................................................................52
5.8.1 PV Input Configuration............................................................................. 54
5.8.2 Assembling PV Connectors......................................................................55
5.8.3 Installing PV Connector............................................................................57
5.9 RS485 Connection..............................................................................................58
5.9.1 Interface Description.................................................................................58
5.9.2 RS485 Communication System............................................................... 60
5.9.3 Connection Procedure(Terminal Block)....................................................62
5.9.4 Connection Procedure (RJ45 Ethernet Port)........................................... 63
5.10 Dry Contact Connection................................................................................... 65
5.10.1 Dry Contact Function............................................................................. 65
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