Vertiv Liebert GXT5 Series Installer/User Manual page 39

ECO frequency range
(Option only available when Run mode is set to ECO�) Sets the amount that the input frequency (Hz) may
be above or below the selected frequency setting and remain in ECO mode�
• ± 1Hz
• ± 2Hz
• ± 3Hz (default)
ECO requalification time
(Option only available when Run mode is set to ECO�) To ensure the stability of the utility/mains power,
this is the length of time that the UPS requires the input voltage and frequency tolerances to be maintained
before switching to ECO-mode�
• 1min (default)
• 5 min
• 15 min
• 30 min
Battery Parameter Options
External battery AH
Sets the amp-hour rating of the external battery�
NOTE: Only adjust when using third-party external batteries with External battery cabinet group No. set
to 0. The rating is calculated automatically when using Vertiv EBCs with an non-zero setting for External
battery cabinet group No.
• 0 - 300 Ah (default of 0)
External battery cabinet group No
Sets the number of attached external battery cabinets or allows the UPS to detect the number of
EBCs automatically with Autotest�
NOTE: Autotest is used for up to 6 Vertiv EBCs. If more than 6 Vertiv EBCs are connected, the number of
cabinets must be set manually. For third-party external batteries, set this option to 0 and use External
battery AH setting above.
• 0 - 10
• Autotest (default)
Low battery time
Sounds an alarm when the selected amount of time remaining for the UPS to operate in Battery mode�
• 2 - 30 minutes (default of 2)
Battery periodic test enable
The UPS can periodically self-test the battery�
• Enable
• Disable (default)
34 Operation and Display Panel