Additional UPS Features

Use the following procedure to install the REPO switch:

1.Verify that the UPS is off and unplugged or removed from utility power.

2.Unscrew and remove the REPO connector from the mating plug on the UPS rear panel.

3.Remove the short wire from the REPO connector.

4.Connect isolated, normally￿closed, dry contacts (rated at 60 Vdc maximum, 30 Vac RMS maximum, and 20 mA maximum) across the REPO device to Pin 1 and Pin 2 (see

Figure 6). Use stranded, non￿shielded wiring, size 18￿22 AWG (0.75 mm2￿0 mm2). See Figure 7.

Pin 1

Pin 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure 6. REPO Connector

 

 

 

 

 

Normally Closed,

REPO Connector

Isolated Switch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Powerware 9120 UPS

Figure 7. REPO Wiring Diagram

5.Reconnect the REPO connector to the REPO port on the UPS rear panel.

6.Verify that the externally-connected REPO switch is closed to enable power to the UPS output connections.

7.Connect the UPS to a power source.

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Powerware® 9120 User's Guide ￿ 05147426 A Uncontrolled Copy