Grounding Connections; Ac Grounding - Solectria Renewables SGI 500XT Installation And Operation Manual

Installation and Operation Manual (Rev A)

4 Grounding Connections

WARNING: All electrical installations shall be performed in accordance with all local
electrical codes and the National Electrical Code or Canadian Electrical Code for Canada
as required.
When seen in the inverter, this symbol denotes grounding electrode conductor
connection points.
The inverter comes equipped with two ground bus plates equipped with factory installed
mechanical lugs. There is one located in the right side of the inverter enclosure near the AC
connection points, and another located in the left side of the inverter enclosure near the DC
connections. Use the AC and DC ground plates for terminating grounding electrode conductors
and equipment grounding conductors. The AC and DC ground plates are bonded to each other
internally within the inverter.
4.1

AC Grounding

Figure 4.1.1 – AC Ground Conductor Connection Locations
Table 4.1.1 – AC Grounding Electrode Conductor (GEC) AC Equipment Grounding Conductor
DOCR- 070254-A
Cu or Al Conductors
Max. 1 x 1/0AWG-750kcmil
75C connections, 550 in-lbs
1 wire per lug
x9
Page 12 of 88
Max. 2 x 1/0AWG-300kcmil
or 75C connections, 550 in-lbs
(EGC)
SGI 500XT
Cu or Al Conductors
2 wires per lug