2 Installation Instructions
5.2 Installing the inverter .......................................................................... 10
5.3 Electrical connection ........................................................................... 13
5.3.1 Connection to the public grid (AC) ............................................................ 14
5.3.2 Connection to the PV generator (DC) ........................................................ 20
5.4 Startup .................................................................................................. 23
5.5 Communication ................................................................................... 23
5.5.1 Communication through RS232 ................................................................. 23
5.5.2 Communication through RS485 ................................................................. 25
5.6 Safety protection .................................................................................. 28
5.6.1 Grid voltage and frequency protection ....................................................... 28
5.6.2 Over temperature monitoring ..................................................................... 28
5.6.3 Ground fault current interruption (GFCI) ................................................... 29
5.6.4 Isolation fault detection .............................................................................. 29
5.6.5 Earthing fault monitoring ........................................................................... 29
5.6.6 Active anti-islanding protection ................................................................. 29
5.6.7 DC current injection monitoring ................................................................. 29
5.6.8 DC reverse polarity protection ................................................................... 29
6 Contact ..................................................................................................................... 30
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