II Installation and Operating Instructions V01
5.4.2 Grid connection ................................................................................................................................. 17
5.4.3 Second protective grounding connection ........................................................................ 19
5.4.4 Residual current protection .................................................................................................... 20
5.4.5 Overvoltage category ................................................................................................................ 20
5.4.6 AC circuit breaker ........................................................................................................................... 21
5.5 DC connection ......................................................................................................... 22
5.5.1 Requirements for the DC connetion .................................................................................... 22
5.5.2 Assembling the DC connectors ............................................................................................ 23
5.5.3 Disassembling the DC connectors ...................................................................................... 25
5.5.4 Connecting the PV Array .......................................................................................................... 26
6 Communication .............................................................................................................. 28
6.1 System monitoring via RS485 ................................................................................ 28
6.2 System monitoring via Ethernet............................................................................ 32
6.3 System monitoring via WiFi ................................................................................... 33
6.4 Communication with a third party monitoring device .......................................... 33
6.5 Updating the firmware via USB ............................................................................. 33
7 Commissioning ............................................................................................................... 34
7.1 Electrical check ........................................................................................................ 34
7.2 Mechanical check .................................................................................................... 35
7.3 Start-up ................................................................................................................... 35
8 Disconnecting the inverter from voltage sources ....................................................... 36
9 Operating ........................................................................................................................ 37
9.1 Overview of the control panel................................................................................ 37
9.2 LED indicators ......................................................................................................... 38
9.3 Display messages ................................................................................................... 39
9.4 Display .....................................................................................................................41
