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Maintenance
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12.0 MAINTENANCE
The Liebert GXT2-10000RT208 requires very little maintenance. The batteries are valve-regulated,
non-spillable, flame retardant, lead acid and should be kept charged to obtain their design life. The
UPS continuously charges the batteries when connected to the utility supply.
When storing the UPS for any length of time, it is essential to plug the UPS in for at least 24 hours
every four to six months to ensure full recharge of the batteries. Failure to recharge the batteries peri-
odically will permanently degrade battery capacity.
The Liebert GXT2-10000RT208 is designed to allow the user to safely replace the internal batteries.
Read the safety cautions before proceeding. Contact your local dealer or Liebert representative to
obtain the appropriate replacement battery kit part number and pricing.
12.1 Battery Replacement
12.1.1 Internal Battery Replacement Procedures
Both battery packs should be replaced at the same time.
1. Gently remove the front center plastic bezel
cover from the UPS by pulling forward.
2. Loosen the three screws on the front battery
cover grille. Lay the battery cover grille aside for
reassembly.
3. Remove the battery brackets at the bottom front
of the battery pack.
4. Grasp each battery pack assembly individually
and pull each out of the front of the UPS. Be
prepared to support the weight of the battery as
it is withdrawn.
5. Unpack the new battery assemblies taking care
not to destroy the packing. Compare new and
old battery assemblies to make sure they are the
same. If so, proceed with the next step. If they
are different, STOP and contact your local
dealer, Liebert representative or the Liebert Worldwide Support Group.
6. Line up and slide in the new replacement battery packs.
7. Reinstall the brackets on the front of the battery pack.
8. Reconnect the slotted battery cable connectors.
9. Reattach the front battery door, tightening the two screws.
10. Reattach the front plastic bezel to the UPS.
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CAUTION
A battery can present a risk of electrical shock and high short circuit current. The following
precautions should be observed before replacing the batteries:
• Remove rings, watches and other metal objects.
• Use a Phillips (crosshead) screwdriver with insulated grips.
• Do not lay tools or other metal objects on top of the batteries.
• If the battery replacement kit is damaged in any way or shows signs of leakage, contact
your local dealer or Liebert representative immediately.
• Do not dispose of batteries in a fire. The batteries may explode.
NOTE
These are hot-swappable replacement batteries. However, caution should be exercised because
during this procedure the load is unprotected from disturbances and power outages.
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UPStation GXT
Mjfcfsu
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UPStation GXT
Front Bezels
Battery
Cover
Battery
UPS
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