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Installing a Remote Emergency Power−Off Control
7−2
EATON
Powerware
®
9315 UPS (300–500 kVA) Installation Manual
S
164201118 Rev H
www.powerware.com
1
TB2
2
Remote
EPO
Switch
Twisted Wires (2)
Figure 7-2. Remote EPO
NOTE
Remote EPO switch rating is 24 Vdc, 1A minimum if supplied by user.
NOTE
This switch must be a dedicated switch not tied into any other circuits.
4.
If you are installing multiple Remote EPO stations, wire additional stations in
parallel with the first Remote EPO.
5.
If required, install ½-in. conduit and wiring from the Remote EPO station to trip
circuitry of upstream protective devices. A normally−open contact is provided, as
shown in Figure 7-2. Remote EPO switch wiring must be in accordance with UL
Class II requirements.
6.
Secure the UPS by reversing all steps taken to prepare it for Remote EPO
installation.
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