Vertiv | Liebert® EDGE | Installer/User Guide 37
Chapter 4: MAINTENANCE AND BATTERY REPLACEMENT
4.1. Precautions
Although the EDGE is designed and manufactured to ensure personal safety, improper use can result in electrical
shock or re. To ensure safety, observe the following precautions:
• Turn o and unplug the UPS before cleaning it.
• Clean the UPS with a dry cloth. Do not use liquid or aerosol cleaners.
• Never block or insert any objects into the ventilation holes or other openings of the UPS.
• Do not place the UPS power cord where it might be damaged.
4.2. Battery Charging
The batteries are valve-regulated, non-spill-able, lead acid and should be kept charged to attain their design life.
The EDGE charges the batteries continuously when it is connected to the utility input power. If the EDGE will
be stored for a long time, we recommend connecting the UPS to input power for at least 24 hours every 4 to 6
months to ensure full recharge of the batteries.
4.3. Replacing the UPS Batteries
IMPORTANT! Before you proceed, please review the battery safety precautions available at https://www.vertiv.
com/ComplianceRegulatoryInfo.
You may safely replace the internal battery pack. See the SPECIFICATIONS on page 41, for the part number
of the replacement battery for your UPS model number.
NOTE: Replace the battery with the same type and number as originally installed.
NOTE: The internal battery pack is hot-swappable. However, caution should be exercised because during this
procedure the load is unprotected from disturbances and power outages. Do not replace the battery while the UPS is
operating in Battery Mode. This will result in a loss of output power and will drop the connected load.
To replace the batteries on 1U and 2U models:
1. Remove the front bezel by pulling rmly until the snaps release.
2. Disconnect the battery connector by squeezing the ends and gently pulling the two pieces apart.
3. Remove the two screws and the metal battery cover plate.
4. Slide out the existing battery kit and disconnect the battery terminals from the connector. Disconnect the red
wire rst, then the black.
5. Plug the removed connector into the terminals of the new replacement battery kit. Plug the black wire in rst,
then the red.
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