4 Installation .....................................18
4.1 Before installation......................................... 19
4.2 Installation tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.3 Selecting an installation location ............................. 22
4.4 Installing the inverter ...................................... 24
5 Electrical Connections ............................28
5.1 Terminal connector........................................ 29
5.2 Connect grounding PE cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
5.3 Connect grid side of inverter (AC-Output) ...................... 31
5.4 Connect PV side of inverter (DC-Input) ........................ 36
6 Communication Connection........................39
6.1 USB port................................................ 39
6.2 COM port ............................................... 40
7 Commissioning .................................47
7.1 Starting the inverter ....................................... 47
7.2 Initial Setup..............................................47
7.3 Smartphone app SOFAR setting ............................. 48
8 Operation ......................................49
8.1 Control panel and display................................... 49
8.2 Standard display..........................................50
8.3 Status display............................................ 50
8.4 Menu structure ........................................... 51
8.5 Software update .......................................... 54
9 Troubleshooting .................................55
9.1 Ground fault alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
9.2 Event list................................................ 56
10 Maintenance ...................................66
10.1 Cleaning the inverter ...................................... 66
10.2 Cleaning the heat sink ..................................... 66
10.3 Fan maintenance and replacing a fan ......................... 66
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