26
Step 3 Lead the cable through the cable gland, and insert it into the insulator until it snaps into
place. Gently pull the cable backward to ensure a firm connection. Tighten the cable
gland and the insulator with a torque of 2.5 N.m to 3 N.m.
Step 4 Screw the nut.
CCrroossss--sseeccttiioonnaall aarreeaa((mmmm
22
))
TToorrqquuee((NN∙∙mm))
4 4.0
6 3.5
Step 5 Check for polarity correctness.
The converter will not function properly if any PV polarity is reversed.
Step 6 Turn the auxiliary power switch to the "OFF" position.
Step 7 Check whether the polarity of the cable is correct, and ensure that in any case the open-
circuit voltage does not exceed 1500V, the upper limit of the converter input voltage.
5 Electrical Connection User Manual
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