Emerson Liebert GXT3 User Manual download pdf (Page 33)

Maintenance

Figure 22 Disconnecting the battery plug and battery connector (front view)

5. Grasp the battery handle and pull the internal battery pack out of the UPS, as shown in

Figure 23.

Figure 23 Pulling out the battery

6. Unpack the new internal battery pack. Take care not to destroy the packing.

Compare the new and old internal battery packs to make sure they are the same type and model.

If they are the same, proceed with Step 7; if they are different, stop and contact your local Emer-

son representative or Emerson Channel Support.

7. Line up and slide in the new internal battery pack.

8. Reconnect the battery plug and battery receptacle

9. Gently push the battery wire and internal battery pack back into the UPS.

10. Reattach the front battery door with the six screws.

11. Reattach the front plastic bezel cover to the UPS.

6.2 Battery Charging

The batteries are valve-regulated, nonspillable, lead acid and should be kept charged to attain their

design life. The Liebert

GXT3

™

charges the batteries continuously when it is connected to the mains

input power.

If the Liebert GXT3 will be stored for a long time, Emerson recommends connecting the UPS to input

power for at least 24 hours every four to six months to ensure full recharge of the batteries.

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 in Battery Mode. This will result in a loss of output

power and will drop the connected load.

Battery Connector Battery Connector

Internal Battery Pack

Battery

Handle

Pull Out with Battery Handle

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Emerson Liebert GXT3 User Manual Page 33