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7.1
Equipment care
For the best preventive maintenance, keep the area around the equipment 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 equipment at an ambient temperature of 25°C (77°F).
If the UPS requires any type of transportation, verify that the UPS is disconnected and turned off
and then disconnect the UPS internal battery connector (see on page 35).
The batteries 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 4 years to keep units
running at peak efficiency.
7.2
Storing the equipment
If you store the equipment for a long period, recharge the battery every 6 months by connecting the
UPS to utility power. The internal batteries charge to 90% capacity in less than 3 hours.
However, Eaton recommends that the batteries charge for 48 hours after long-term storage.
Check the battery recharge date on the shipping carton label.
If the date has passed and the batteries were never recharged, do not use them. Contact your service
representative.
7.3
When to replace batteries
When the battery replacement screen is displayed, it is recommended to replace the batteries.
Contact your service representative to order new batteries.
Load not powered
Battery replacement
-%
4 years battery
Replacement is
-kW
!
recommended
-kVA
OK
9PX3K3U_EN
100%
100min
1 EBM
7. UPS maintenance
Page 33
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