Eaton Power Xpert 9395C, Installation And Operation Manual

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66 Eaton Power Xpert 9395C UPS Installation and Operation Manual 164000821—Rev 06
Figure 38. Normally-Open REPO Switch Wiring
3 (NO)
UPS TB1
REPO
Switch
(NO)
Twisted
Wires
1 (NC)
NOTE REPO switch rating is 24 Vdc, 1A minimum.
NOTE T he REPO switch must be a latching-type switch not tied to any other circuits.
NOTE REPO normally-open and normally-closed return terminals are separated on the terminal board but are electrically in common.
2 (Return)
4 (Return)
3
4
12. If required, install wiring from the REPO switch to the trip circuitry of the upstream protective devices. A
second contact block is provided on the REPO switch for this function (see Figure 37 ). The REPO switch
wiring must be in accordance with NEC Article 725 Class 2 requirements.
13. Reinstall the top internal safety shield panel and secure with the retained hardware.
14. Reinstall the front door removed in Step 4 and secure with the retained hardware.
15. Close the door and secure the latch.
Figure 39 shows the wiring connections if the normally-closed REPO contacts are used and Figure 40 shows
alternative methods of connecting a REPO switch if using another manufacturer's switch.
UPS System Installation