6.4 Cleaning the UPS
WARNING! Risk of electric shock. Can cause injury or death. Disconnect all local and remote electric power
supplies before working with the UPS. Ensure that the unit is shut down and power has been disconnected
before beginning any maintenance.
The UPS requires no internal cleaning. If the outside of the UPS becomes dusty, wipe with a dry cloth. Do not use liquid or
aerosol cleaners. Do not insert any objects into the ventilation holes or other openings in the UPS.
6.5 Replacing the UPS using Maintenance Bypass
Use the following procedures to replace the UPS from power distribution box.
WARNING! Risk of electric shock. Can cause injury or death. Disconnect all local and remote electric power
supplies before working with the UPS. Ensure that the unit is shut down and power has been disconnected
before beginning any maintenance.
NOTE: Do not operate the UPS with the POD removed. To shut off all power to the POD and to the load, utility input
power must be disconnected.
1. Transfer the connected equipment to bypass mode.
NOTE: The programmable output receptacles are powered-off when transferred to Bypass mode.
a. Loosen the upper captive screw over the maintenance bypass breaker, see Figure 6.2 on the facing page.
b. Lift the maintenance bypass breaker cover up and tighten the lower captive screw. The programmable-
output receptacles are now powered-off.
2. Confirm that the UPS is operating in bypass mode. If not, then manually transfer the connected equipment to
bypass as follows:
c. Press and hold the Power button for 2 seconds.
d. Select Turn to bypass and press Enter.
NOTE: The load is unprotected from disturbances in the power supply while the UPS is on bypass.
3. Turn the maintenance bypass breakers On.
4. Wait 1 minute if the UPS is working on battery mode, then confirm that the UPS is turned off.
5. Turn the output and input breakers Off.
NOTE: The load will continue to be powered through the maintenance bypass breakers. See Figure 3.3 on page24 for
details.
6. Loosen the remaining screws until the power distribution box is released by the UPS.
7. Remove the UPS from the power distribution box and set it aside.
8. On the rear panel of the new UPS, remove the new power distribution box from the UPS.
9. Mount and connect the new UPS to the old power distribution box and secure with the previously removed
screws.
10. Turn ON the input breaker on the rear of the UPS and leave the output breakers OFF. The UPS will begin to
startup.
60 Proprietary and Confidential ©2024 Vertiv Group Corp. 6 Maintenance
Vertiv™ Liebert® GXT5 UPS Installer/User Guide
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