NCR 4072 - Electrical Input Specifications; Environmental and Safety Specifications

UPS Maintenance
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NCR 4072 UPS Site Preparation, Installation, and Operation Manual S 05147374 Rev C Uncontrolled Copy
Replacing Batteries
NOTE DO NOT DISCONNECT the batteries while the UPS is in Battery
mode.
With the hot-swappable battery feature, UPS batteries can be replaced
easily without turning the UPS off or disconnecting the load.
If you prefer to remove input power to change the battery, press and
hold the
button for two seconds and then unplug the UPS.
Consider all warnings, cautions, and notes before replacing batteries.
WARNING
쑺 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.
쑺 ELECTRIC ENERGY HAZARD. Do not attempt to alt er any battery wiring or
connectors. Attempting to alter wiring can cause injury.
쑺 Replace batteries with the same number and type of batteries as originally
installed in the UPS.
CAUTION
Pull the battery out onto a flat, stable surface. The battery is unsupported when
you pull it out of the UPS.
Use the following steps to replace the batteries:
1. Remove the UPS front panel.