2 Installation and Operating Instructions V02
5.4.2 Grid connection .......................................................................................................... 22
5.4.3 Second protective grounding connection .................................................... 25
5.4.4 Residual current protection................................................................................. 26
5.4.5 Overvoltage category.............................................................................................27
5.4.6 Rating of AC circuit breaker .................................................................................27
5.5 DC connection..............................................................................28
5.5.1 Requirements for the DC connection..............................................................28
5.5.2 Assembling the DC connectors ........................................................................ 29
5.5.3 Disassembling the DC connectors ....................................................................31
5.5.4 Connecting the PV array....................................................................................... 32
6 Communication..................................................................................33
6.1 System monitoring via R485.......................................................33
6.2 System monitoring via Ethernet................................................. 37
6.3 System monitoring via WiFi........................................................38
6.4 Communication with a third-party devices ................................39
7 Commissioning...................................................................................40
7.1 Electrical checks ..........................................................................40
7.2 Mechanical checks........................................................................41
7.3 Start-up .......................................................................................42
8 Disconnecting the inverter from voltage sources............................43
9 Operation ...........................................................................................45
9.1 Overview of the control panel.....................................................45
9.1.1 Display............................................................................................................................... 46
9.1.2 Control button ..............................................................................................................47
9.1.3 LEDs...................................................................................................................................47
9.2 Display messages .......................................................................48
9.3 Language and safety regulation settings...................................50