28 Chapter 8 Operation
8.5 Shut Down Liebert GXT4
Select Main Menu -> 3 CONTROL -> 1 TURN ON & OFF to enter the TURN ON & OFF screen, and select ‘TURN
UPS OFF’ to turn off the UPS.
8.6 Disconnecting Input Power From Liebert GXT4
1. After the UPS has been shut down as detailed in 8.5 Shut Down Liebert GXT4, turn off the Output Circuit
Breaker.
2. Wait 30 seconds and verify that all indicators have turned Off and the fan has stopped; this indicates that the
power-off is complete.
3. Turn the external battery cabinet breaker switch to the Off position if the UPS has an external battery cabinet.
After powering off the UPS, the UPS ceases output and the load is powered Off.
8.7 Maintenance Bypass
Maintenance Bypass Mode is used when maintenance or replacement is required. To place the unit in
Maintenance Bypass:
1. Place the UPS on internal bypass. This may be done by either of the following methods:
a. Turn the UPS to internal bypass based on 8.4 Put the Liebert GXT4 Bypass
b. Slide the bracket away from the manual bypass breaker on the rear of the UPS. This requires loosening the
captive screw and sliding the bracket up and away from the Manual Bypass breaker.
2. Move the Manual Bypass breaker on the rear of the UPS to the bypass position. This requires loosening the
captive screw and sliding the bracket up and away from the Manual Bypass breaker.
8.8 IT Power System Configuration
1. Remove screws on the IT Power System Access Cover, as shown in Figure 8-1.
Remove screws
Remove screws
10,000VA model 5000VA and 6000VA models
Figure 8-1 Removing cover from IT Power System Connectors compartment
2. Disconnect the connectors, as shown in Figure 8-2.
Liebert GXT4 UPS 5000VA ~ 10000VA (230V) User Manual
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