Installation
Liebert
®
GXT4
™
18
2.6.1 Remove the Power Distribution Box from 5000 and 6000VA Models
1. Manually transfer the connected equipment to the internal bypass.
a. From the main menu select CONTROL, then press Enter.
b. Select TURN ON & OFF and press Enter.
c. Select TURN UPS BYPASS and press Enter. The UPS will transfer the connected loads to the
internal bypass. (For help, refer to 4.4 - Manual Bypass.)
d. Loosen the captive screw over the maintenance bypass breaker (see Figure 13 for the
breaker’s location).
e. Turn the maintenance bypass breaker On.
NOTICE
The load is unprotected from disturbances in the power supply while the UPS is on bypass.
2. Turn the output and input breakers Off.
3. Loosen other captive screws until the power distribution box releases.
4. Remove the power distribution box from the UPS and set it aside.
5. Loosen the screws over the plastic cover for the connector on the rear of the panel.
6. Slide the plastic cover over the connector and tighten the screws.
Figure 13 Power distribution box removal from 5000 and 6000VA models
2.6.2 Remove the Power Distribution Cover from 8000 and 10,000VA Models
1. Shut down the Liebert GXT4 (for help, refer to 4.5 - Shut Down the Liebert GXT4).
a. From the Main Menu select CONTROL, press Enter, then select TURN ON & OFF.
b. Press the enter key.
c. Select TURN UPS OFF, then press Enter.
Power to the connected loads is now Off.
2. Loosen the captive screw over the maintenance bypass breaker (see Figure 4 for the breaker’s
location).
3. Turn the maintenance bypass breaker On.
NOTICE
The load is unprotected from disturbances in the power supply while the UPS is on bypass.
4. Turn the output and input breakers Off.
5. Support the power distribution box and remove the two screws at the top of the box.
6. Remove the cover or power distribution box from the UPS and set it aside.
7. If removing a power distribution box, carefully pull apart the power distribution box connector
and the UPS connector.
Maintenance Bypass Breaker
Extract these four
captive screws
Pigtails
removed for
clarity
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