Maintenance 37
1.
(optional) To replace the component with the UPS powered down, refer to "Powering down the UPS
(on page
31
)."
CAUTION:
When hot-swapping batteries, the UPS is not protected in the event of a utility
power failure, unless at least one ERM is installed.
2.
Remove the UPS front bezel ("
Removing the UPS front bezel
" on page
33
).
3.
Disconnect the battery leads.
4.
Remove the UPS battery bracket.
5.
Remove the UPS battery modules.
To replace the components, reverse the removal procedure.
IMPORTANT:
Charge the batteries for at least 24 hours before supplying backup power to
devices. The batteries charge to:
•
90% of their capacity within 4 hours
•
100% of their capacity within 24 hours
