Figure 13 Battery Equalize Settings; Figure 14 Battery Management Parameters - Emerson Liebert NXL series Operation And Maintenance Manual

Liebert NXL UPS
2.2.6.4 2.2.6.4 2.2.6.4 2.2.6.4
Battery Management
These battery settings can be changed from the touchscreen. Press the box to the left of
each parameter to bring a popup window that will allow the parameter to be changed.
Battery Equalize
• Equalize Voltage, Vpc - 2.30 to 2.40 (default: 2.3)
• Equalize Time, hours - 0 to 200hours (default: 1)
NOTE
Battery Equalize must be enabled by service to be functional. If Battery Equalize is
disabled, the feature will not be available and the menu item will not be displayed.
Battery Test
• Auto Test—Enable/Disable (default: disabled)
• Test Cycle, weeks—1 to 26 (default: 13 weeks)
• Time of day, hh:mm—Set Hour and Minute; sets
the start time of the automatic battery test
• Start Date, mm dd, yyyyy—Set Month, Day and
Year
• Test Duration, minutes—0.5 minute to 30% of full
load Operating Time (default: 0.5 minute)
• Minimum Battery Voltage, lead-acid only—
1.75VPC to 1.95VPC (default: 1.75VPC); this is the
minimum voltage the battery test will stop.
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Operation and Maintenance Manual

Figure 13 Battery Equalize settings

Figure 14 Battery Management Parameters

250-300-400-800kVA