Installation guide

21Installation Guide Silcon DP300E Series 480V 120-160kVA
7OH0006 US rev. 03
Connection
4.1.7 Grounding
4.1.7.1 System grounding
If none of the UPS neutral inputs are connected to a grounded service neutral
conductor per NEC per local code requirement, provisions have to be made as
follows:
a. The bonding wire is mounted between output terminals X005:N/E and
equipment ground bar in bottom of unit.
b. The output terminal X005:E/N and “Grounding electrode terminal”, are
both connected by the grounding electrode conductor to a local grounding
electrode per NEC per local code requirement.
4.1.7.2 Equipment grounding
Terminals marked are intended for equipment grounding.
Provisions have to be made as followed:
• The input equipment ground terminal(s) shall be connected to the grounding
electrode(s) provided for the service entrance(s).
E terminal
Ground terminals