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Step
Action
The Float Settings option will be highlighted, press the Display Menu key to access the Float Settings
Menu.
3.
The Set Point option will be highlighted. Press the Display Menu key to view or change the Float voltage
Set Point. Use the left and right arrow keys to adjust the Set Point voltage. Once the Voltage has been
4.
set to the desired value Press the Display Menu key to save the change. The voltage range is
42.0 to 56.5 Volts. Factory default is -54.5V.
5.
Select Voltage Alarms to set the four Voltage Alarm thresholds.
Alarm
Very High Voltage
Major
High Voltage
Minor
BD (Battery on Discharge)
Major
Very Low Voltage
Major
Note: Factory defaults listed are for the standard QS840A controller.
Status
This area of the menu provides an overview of system threshold settings, equipment operation, and
present component values. Only state type information is available in this menu. No configuration or
operations are possible from the Status portion of the menu system. Following are the elements
available in the Status menu.
Rectifiers: Total installed capacity of the system, total output current of all rectifiers, and the
individual rectifier currents by rectifier number (Gnn).
Batteries: The following battery management information is available under Status:
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Description
Alarm occurs and the unit is shut down when the system detects voltage above its set
threshold. The threshold can be set from 50V to 60V in 1V increments. The factory default
setting is 57V
Alarm indicates an abnormally high output voltage but does not shut the unit down. The
alarm threshold can be set from 50V to 60V in 1V increments. The factory default setting
is 56V.
Alarm occurs when the system is operating either completely or partially on battery pow-
er. The alarm threshold can be set from 46V to 55V in 0.1V increments. The factory default
setting is 51.0V.
Alarm indicates an imminent system shutdown due to discharging batteries or low output
voltage. Factory default - 46.0V.
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