Xtreme Power Conversion Corporation
T90 User’s Manual
Page 29
Uninterruptible Power Supply
Maintenance
With a minimal amount of maintenance, you can expect the UPS to application, otherwise consider changing the
batteries. have a long life free of trouble. The most critical issues for the reliability of the UPS are environmental
issues. Ensure that the temperature and humidity are always according to specifications and keep the area around
the unit clean and dust free.
At a temperature of 25°C, the typical battery lifetime is 4 years.
Replacing Batteries
The batteries may be replaced without having to turn the UPS off or disconnecting the load due to the hot swap
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pable battery feature.
WARNING!
Batteries may cause electrical shock or burn from high short circuit currents. Please observe the fol
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lowing precautions: 1. Remove jewelry and metal objects such as watches and rings. 2. Use tools that
have insulated handles. 3. Keep tools and other metal objects from contacting and away from the
batteries.
ELECTRIC ENERGY HAZARD. Do not attempt to rewire, alter, or change any battery wiring or connec
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tors. Attempting to make such alterations can cause injury.
Replace the batteries with the same number and type as originally installed batteries.
DO NOT DISCONNECT the batteries while UPS is in Battery mode.
Replacing batteries (700 - 3000 VA)
