Battery Charging; Figure 22 Disconnecting The Battery Plug And Battery Connector (Front View); Figure 23 Pulling Out The Battery - Emerson Liebert GXT3 User Manual

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

Battery Connector
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

Internal Battery Pack
Battery
Handle
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.
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.
6.2

Battery Charging

The batteries are valve-regulated, nonspillable, lead acid and should be kept charged to attain their
design life. The Liebert
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.
Battery Connector
Pull Out with Battery Handle
® ™
GXT3 charges the batteries continuously when it is connected to the mains
27
Maintenance