Eaton 9355 UPS (10/15 kVA) User's Guide
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164201594 Rev D
www.eaton.com/powerquality
93
Chapter 11
UPS Maintenance
This section explains how to:
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Care for the UPS and batteries
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Recycle used batteries or UPS
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Use the maintenance bypass switch
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
77
°
F (25
°
C).
NOTE
The batteries in the UPS are rated for a 3–5 year service life. The length of
service life varies, depending on the frequency of usage and ambient temperature.
Batteries used beyond expected service life will often have severely reduced runtimes.
Replace batteries at least every 5 years to keep units running at peak efficiency.
Storing the UPS and Batteries
When storing the UPS and optional cabinets, the following requirements
should be met:
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Verify that the battery circuit breaker is in the OFF position.
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Avoid temperature and humidity extremes. To maximize battery life,
the recommended storage temperature is 59
°
F (15
°
C) to 77
°
F (25
°
C).
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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 long-term storage.
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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.
Summary of Contents for Powerware 9355
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