GRAFENTHAL GmbH - User Manual UPS
PR-1000/-1500/-2000/-3000
- 17 -
5. STORAGE AND MAINTENANCE
Operation
The UPS system contains no user-serviceable parts. If the battery service life (3~5 years at 25°C
ambient temperature) has been exceeded, the batteries must be replaced. In this case, please
contact your dealer.
Storage
Before storing, charge the UPS 5 hours. Store the UPS covered and upright in a cool, dry
location. During storage, recharge the battery in accordance with the following table:
Storage Temperature
Recharge Frequency
Charging Duration
-25°C - 40°C
Every 3 months
1-2 hours
40°C - 45°C
Every 2 months
1-2 hours
Be sure to deliver the spent battery to a recycling facility or ship it to your
dealer in the replacement battery packing material.
