Installation and Operating Instructions V00
27
5.4.3 Second protective grounding connection
Procedure:
1.
Insert the grounding conductor into the suitable terminal lug and crimp the contact.
2. Align the terminal lug with the grounding conductor on the screw.
3. Tighten it firmly into the housing (screwdriver type: PH2, torque: 1.6Nm).
Information on grounding components:
Object
Description
1
M4 terminal lug
2
Grounding protective conductor
3
M4 screw
In case of operation on a Delta-IT Grid type, in order to ensure safety compliance
in accordance with IEC 62109, the following step should be taken:
The second protective earth/ground conductor, with a diameter of at least 10
mm
2
and be made from copper , should be connected to the designated earth
point on the inverter.
