2
V01
Installation and Operating Instructions
5.4.2 Grid connection ................................................................................................................................ 19
5.4.3 Second protective grounding connection ....................................................................... 22
5.4.4 Residual current protection .................................................................................................... 23
5.4.5 Overvoltage category ................................................................................................................ 24
5.4.6 Circuit breaker................................................................................................................................. 24
5.5 DC connection ........................................................................................................................................... 25
5.5.1 Conditions for the DC connection ......................................................................................... 25
5.5.2 Assembling the DC connectors ............................................................................................. 27
5.5.3 Disassembling the DC connectors ...................................................................................... 29
5.5.4 Connecting the PV array ........................................................................................................... 30
6 Communication ................................................................................................ 32
6.1 System monitoring via RS485 .......................................................................................................... 32
6.2 Updating the firmware via RS485 ................................................................................................. 35
7 Operation .......................................................................................................... 36
7.1 Overview of the control panel .......................................................................................................... 36
7.1.1 Display
...................................................................................................................... 37
7.1.2 Control button
........................................................................................................ 38
7.1.3 LEDs
......................................................................................................................... 39
7.2 Display messages ................................................................................................................................... 40
7.3 Language and safety regulation settings .................................................................................. 42
7.3.1 Language setting ................................................................................................................................... 42
7.3.2 Safety regulation setting ................................................................................................................. 42
8 Commissioning ................................................................................................. 44
8.1 Electrical tests ............................................................................................................................................44
8.2 Mechanical tests ...................................................................................................................................... 45
8.3 Start-Up ........................................................................................................................................................ 45
9 Disconnecting the Inverter from Voltage Sources ....................................... 46