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When there is only one inverter in the PV system, connect the additional grounding
cable to a nearby grounding point.
When there are multiple inverters in the PV system, connect grounding points of all
inverters and the PV array frames to the equipotential cable (according to the onsite
conditions) to implement an equipotential connection.
5.3.2 Connection Procedure
The additional grounding cable should be of the same cross section as the PE wire in
the AC cable.
Additional grounding cable and OT/DT terminal are prepared by customers.
step 1
Prepare the cable and OT/DT terminal.
1: Heat shrink tubing
2：OT/DT terminal
step 2
Remove the screw on the grounding terminal and fasten the cable with a screwdriver.
User Manual
