Operation

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—Automatic, 0.5 minute to 30% of full load Operating Time (default: automatic)

Minimum Battery Voltage, lead-acid only—1.75VPC to 1.95VPC (default: 1.75VPC); this is the minimum voltage the battery test will stop.

Low Battery Warning Time

Low Battery Warning Time, minutes—2 to 60, depending on configured batteries (default: 5 min- utes)

Battery Temperature

Battery Temp Warning—30°C to 50°C (default: 40°C)

Battery Temp Limit—35°C to 60°C (default: 50°C)

Disconnect—Enable/Disable (default: disabled)

NOTE

If Disconnect is set to “Enable’ and the Battery Temp Limit is met, the Battery breaker will open.

Figure 13 Battery Management Parameters

Cell Count Adjustment

Cell Count Adjustment— -12 cells to +6 cells (default: 0)

Float Voltage

Battery Float Voltage, Vpc—2.15 to 2.3 (default: 2.25)

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Emerson 250-400kVA manual Cell Count Adjustment