UPS Maintenance
22
Powerware
®
5119 Rack Mount User’s Guide
:
www.powerware.com
Replacing Batteries
The hot-swappable battery feature allows you to replace the UPS
batteries easily without turning the UPS off or disconnecting the load.
If you prefer to remove input power to change the battery: 1) Press the
Off
button and then unplug the UPS; 2) Wait 60 seconds while the
internal processor shuts down before you disconnect the battery.
W A R N I N G
:
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.
:
ELECTRIC ENERGY HAZARD. Do not attempt to alter any battery wiring or
connectors. Attempting to alter wiring can cause injury.
C A U T I O N
The UPS and batteries are heavy. You must support the front of the unit while
replacing the batteries.
NOTE
When the UPS is online, all three Battery Charge LEDs should be lit before
hot-swapping the batteries. DO NOT DISCONNECT the batteries while the UPS is in
Battery mode.
Figure 19 shows how to replace the UPS batteries. Consider all
warnings, cautions, and notes before replacing batteries.
