Maintenance 41
To replace the component, reverse the removal procedure.
IMPORTANT: Charge the batteries for at least 24 hours before supplying backup power to
devices. The batteries charge to:
• 80 percent of their capacity within 3 hours
• 100 percent of their capacity within 48 hours
Replacing the UPS
To remove the UPS:
1. Power down all attached load devices.
2. Power down the UPS ("Powering down the UPS" on page 34).
3. Unplug the UPS power cord.
4. Disconnect all cabling.
5. Remove the UPS front bezel ("Removing the UPS front bezel" on page 37).
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