Installation and Operating Instructions V04 II
5.4.2 Grid connection
........................................................................................ 19
5.4.3 Grounding connection
............................................................................ 22
5.4.4 Residual current protection
................................................................... 23
5.4.5 Overvoltage category
............................................................................ 24
5.4.6 Rating of AC circuit breaker
.................................................................. 24
5.5 DC connection
...............................................................................25
5.5.1 Requirements for the DC connection
................................................... 25
5.5.2 Assembling the DC connectors
............................................................ 26
5.5.3 Disassembling the DC connectors
....................................................... 28
5.5.4 Connecting the PV array
........................................................................ 29
6 Communication ................................................................................................ 30
6.1 System monitoring via RS485
......................................................30
6.2 System monitoring via Ethernet
..................................................33
6.3 System monitoring via WiFi
.........................................................35
6.4 Inverter demand response modes (DRED)
..................................37
6.5 Active power control with smart meter & ComBox
...................39
6.6 Communication with third-party devices
....................................40
7 Commissioning .................................................................................................. 41
7.1 Electrical checks
...........................................................................41
7.2 Mechanical checks
........................................................................42
7.3 Start-up
........................................................................................43
8 Disconnecting the inverter from voltage sources ........................................ 44
9 Operation .......................................................................................................... 46
9.1 Overview of the control panel
......................................................46
9.1.1 Display
........................................................................................................ 47
9.1.2 Control button
.......................................................................................... 49
9.1.3 LEDindicators
........................................................................................... 49