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5.2
External Battery Cabinet Installation
WARNING
!
Risk of electric shock. Can cause injury or death.
Disconnect all local and remote electric power supplies before working within.
Ensure that the Liebert GXT3 is shut down and power has been disconnected before
beginning any work on or in the unit.
CAUTION
!
The external battery cabinet(s) are heavy (see Table 11). Take proper precautions when
lifting them.
Optional Liebert external battery cabinets may be connected to the UPS to provide additional battery
run time. External battery cabinets are designed to be placed on one side of the UPS in a tower config-
uration or stacked beneath the UPS in a rack configuration.
Figure 12 External battery cabinets connected to 6000VA Liebert GXT3
6000VA Liebert GXT3
Battery Cabinet
1. Inspect the external battery cabinet for freight damage. Report damage to the carrier and your
local dealer or Emerson representative.
2. Optional rack-mount handles are shipped with the external battery cabinet and may be installed
at this time if desired.
3. Securing hardware and slide rails are sold separately. Please contact your local dealer or
Emerson representative for these additional options and any assistance needed. Fasten the slides
into position with the screws per the instructions included with the slide rails.
4. Use the enclosed support bases for the tower option to prevent tip-over. One additional set of
support base extensions ships with each external battery cabinet.
5. Put the UPS in Bypass Mode by pressing the bypass button on the front of the unit and holding it
about 2 seconds.
6. Verify the External Battery Cabinet breaker is in the Off position.
7. Connect the supplied external battery cabinet cable to the rear of the external battery cabinet,
then to the rear of the UPS.
8. Turn the External Battery Cabinet breaker to the On position.
9. Press the On button on the front of the UPS for 4 seconds to return the unit to Inverter Mode.
10. Verify the circuit breaker on the External Battery Cabinet is in the On position.
11. Use the included configuration program to program the UPS for the number of external battery
cabinets connected. Instructions for the configuration program are in 6.0 - Configuration
Program.
12. The UPS is now equipped with additional backup battery run time. For approximate battery run
times, refer to Table 14.
NOTE
When removing the External Battery Cabinet, the circuit breaker on the rear of the cabinet
must be turned off before disconnecting the cable.
Second connector permits
adding more battery cabinets
to 6000VA Liebert GXT3
16
Installation and Configuration
Cable connects battery
cabinet to 6000VA
Liebert GXT3
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