C H A P T E R 3

UPS MAINTENANCE

This section explains how to:

SCare for the UPS and batteries

SReplace the batteries

SRecycle used batteries

UPS and Battery Care

For the best preventive maintenance, keep the area around the UPS clean and dust-free. If the atmosphere is very dusty, clean the outside of the system with a vacuum cleaner.

For full battery life, keep the UPS at an ambient temperature of 25°C (77°F).

Storing the UPS

If you store the UPS for a long period, recharge the battery every 6 months by plugging the UPS into a power outlet.

Replacing Batteries

Before replacing the battery, make sure that you read the safety information below.

W A R N I N G

SBatteries 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.

SELECTRIC ENERGY HAZARD. Do not attempt to alter any battery wiring or connectors. Attempting to alter wiring can cause injury.

SReplace batteries with the same number and type of batteries as originally installed in the UPS.

SDO NOT DISCONNECT the batteries while the UPS is in Battery mode.

Powerware® 3110 User’s Guide S Rev B www.powerware.com

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