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UPS Maintenance
30
Powerware
®
9120 User's Guide S 05147426 A Uncontrolled Copy
W A R N I N G
S Batteries can present a risk of electrical shock or burn from high short circuit
current. The following precautions should be observed: 1) Remove watches, rings,
or other metal objects; 2) Use tools with insulated handles; 3) Do not lay tools or
metal parts on top of batteries.
S ELECTRIC ENERGY HAZARD. Do not attempt to alter any battery wiring or
connectors. Attempting to alter wiring can cause injury.
S Replace batteries with the same number and type of batteries as originally
installed in the UPS.
S DO NOT DISCONNECT the batteries while the UPS is in Battery mode.
How to Replace External Batteries
Use the following steps to replace external batteries:
1. Unplug the EBM cable from the UPS and the old battery.
2. Remove the old battery. See Recycling the Used Battery" on
page 32 for proper disposal.
3. Plug the EBM cable into the battery connector on the new
battery.
4. Plug the other end of the EBM cable into the UPS as shown in
Figure 13.
EBM
Battery
Connectors
UPS Battery
Connector
EBM
Cable
Figure 13. External Battery Connections (120V Model Shown)