Chapter 12 UPS Maintenance
This section explains how to:
Care for the UPS and batteries
Recycle used batteries
Use the Maintenance Bypass switch
UPS and Battery Care
For the best preventive maintenance, keep the area around the UPS clean and
For full battery life, keep the UPS at an ambient temperature of 77°F (25°C).
Storing the UPS and Batteries
When storing the UPS and optional cabinets, the following requirements should be met:
Verify that the battery circuit breaker is in the OFF position.
Avoid temperature and humidity extremes. To maximize battery life, the recommended storage temperature is 59°F (15°C) to 77°F (25°C).
If you store the UPS for a long period, recharge the batteries every 10 months by applying utility power. The batteries charge to 80% capacity in approximately 3 hours. However, it is recommended that the batteries charge for 48 hours after
Check the battery recharge date on the shipping carton label. If the date has expired and the batteries were never recharged, do not use the UPS. Contact your service representative.
Powerware® 9155 UPS | 77 |