Installation guide

31Installation Guide Silcon DP300E Series 480V 120-160kVA
7OH0006 US rev. 03
Connection
4.5.2 Emergency Power Off (EPO) for Silcon DP300E
If installing the UPS system in a computer room, the installation MUST contain
external batteries with MCCB’s and switchgear provided with trip function – ap-
proved for use in computer room – for EPO tripping of MCCB’s and switches. See
chapter 4.5.1 for details.
By the following, the system is installed with dual utility.
Matrix dual utility
DC Utility 2 Utility 1 Operation mode
0 0 0 Off Nothing to trip
0 0 1 X Under installation only
0 1 0 Bypass op.
0 1 1 Bypass op.
1 0 0 Batt. op.
1 0 1 Normal op.
1 1 0 Bypass op. Batt. op.
1 1 1 Normal op.
Utility 2
Output
Q3
Q10
Q1
Utility 1
UPS
Q2
Ext. DC
User supplied external PSU. Used
for tripping of MCCB’s in external
battery cubicle or battery room
and switches in switch gear.