2 Installation and Operating Instructions V03
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 miniature 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 RS485 ................................................................................ 33
6.2 System monitoring via Ethernet............................................................................ 37
6.3 System monitoring via WiFi ................................................................................... 38
6.4 Inverter demand response modes (DRED) ...........................................................40
6.5 Active power control with smart meter &ComBox .....................................41
6.6 Communication with third-party devices ...............................................................41
7 Operation .......................................................................................................... 44
7.1 Overview of the control panel ................................................................................ 44
7.1.1 Display .................................................................................................................................................... 45
7.1.2 Control button .................................................................................................................................. 46
7.1.3 LEDs ....................................................................................................................................................... 46
7.2 Display messages ................................................................................................... 47
7.3 Language and safety regulation settings .............................................................. 49
7.3.1 Language setting ............................................................................................................................ 49
7.3.2 Safety regulation setting .......................................................................................................... 49
8 Commissioning .................................................................................................. 51
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