Setting the correct grid on the power meter is necessary but also not intuitive.
- Hold down the menu key on the power meter for 3 seconds to enter programming mode.
- Press the right arrow key six times to access the grid system screen. It looks like this:
- Hold down the menu key for 3 seconds to activate edit mode.
- Use the menu key to select your grid.
- For a 3-phase TN-system grid, select 4-3Ph.
- For a 3-phase IT-system grid, select 3-3Ph.
- Exit the edit mode by holding down the menu key for 3 seconds.
- Hold down the right arrow key to exit programming mode.