
71
Maintenance and troubleshooting
EN
7. Insulating barrier removal
:
remove the insulating barrier on the bottom side of AC main switch.
60
8. Earthing and short circuiting incoming line assessment
:
Is needed to make the earth and short-circuit connection on the main AC incoming line in presence of a site
configured as below:
OPEN+LOTO
External LV
AC Switch
Cable conduit > 100 m
External LV
AC Switch
MW Switch
MV distribution panel
MW / LV
Transformer
LV distribution panel
NOTE
Multiple chargers – AC lines in common cable conduit > 100m length – an AC line charged
9. Earthing and short circuiting (Only if necessary)
:
According to evaluation before, prepare the grounding kit and connect it from PE busbar
(56)
point to Main
AC terminals
(59)
.
33
38