Connecting the external protective grounding
Qualified person
An additional grounding of the inverter is required to protect from touch current in case the grounding conductor fails at the terminal of the AC cable.
The inverter features a ground connection with 2 connection points for grounding (e.g., when using a grounding electrode).
The connection points have been labeled with the following symbol: 
The required screw (M8) and washer are included in the inverter's scope of delivery (pre-assembled).
Additionally required material (not included in the scope of delivery):
1 heat-shrink tubing
Procedure:
- Strip the grounding cable insulation.
- Pull the heat-shrink tubing over the grounding cable. The heat-shrink tubing must be below of the stripped cable section Crimp the heat-shrink tubing.
- Tighten the grounding cable to the ground connection with washer and screw (M8, tightening torque 7 Nm to 9 Nm) using a screwdriver.
