Eaton Powerware 9125 - Page 23

INSTALLATION
EATON Powerware
®
9125 (9910-E30) UPS Installation Guide for IBM
®
Applications S 164201696 Rev 1
19
If the Off button is pressed after the REPO is activated, the UPS
remains in S tandby mode when restarted until the On
button is
pressed.
WARNING
The REPO circuit is an IEC 60950 safety extra low voltage (SELV) circuit. This circuit must be
separated from any hazardous voltage circuits by reinforced insulation.
CAUTION
To ensure the UPS stops supplying power to the load during any mode of operation, the
input power must be disconnected from the UPS when the emergency power-off function is
activated.
NOTE The REPO function activates when the REPO contacts close.
NOTE If the REPO function is not needed, the REPO connector must remain installed in the
REPO port on the UPS rear panel.
NOTE For Europe, the emergency switch requirements are detailed in Harmonized
document HD-384-48 S1, “Electrical Installation of the Buildings, Part 4: Protection for Safety,
Chapter 46: Isolation and Switching.”
To install t he REPO switch:
1. Verify that the UPS is off and unplugged.
2. Remove the REPO connector from the REPO port on the UPS rear
panel.
3. Connect isolated, normally-open, dry contacts (rated to handle
60 Vdc maximum, 30 Vac RMS maximum, and 20 mA maximum)
across t he REPO device t o P in 1 and Pin 2 (see Figure 26).
Use stranded, non-shielded wiring, size 0.75 mm
2
–0.5 mm
2
(18–20 AWG).
NOTE A separate contact must simultaneously cause UPS input AC power to be removed.