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Innovative Circuit Technology Ltd.
power. Once the battery discharges to the LVD disconnection point the internal
LVD relay will open the BATT+ lead to prevent over-discharging the battery.
When AC power returns the unit will close the LVD contactor, and initiate a
battery charge cycle.
The unit may be used as a fixed output power supply without back-up, if no back-
up battery is connected to the BAT terminals. Set the charge mode to Fixed Float
on the BATT switch 1 and 2 settings.
Optional Front Graphic Display
An optional metering display is available on some charger models to show output
voltage, output load current and battery current, plus an indication of the charge
mode (Bulk, Absorb, or Float, or Battery not connected), Temperature Probe
connection, and any faults or warnings. The typical home screen is as shown.
Press the button below the display to turn on the display, and toggle the display
between output current and battery current measurements. Each step of the bar
graph represents a 10% increment in current. Note that the display will turn off
approximately 15 minutes after last use.
Status Indicators and Alarms
The 2 LEDs on the front panel and the Form-C alarm contacts on the back
indicate the status of the charger:
Alarm or
Notification
Trigger Condition
LOAD
Output
BATT
LVD
Red
FAULT
LED
Green
CHARGE
LED
Input AC OK,
battery charging
Normal operation,
battery charging
Enabled CLOSED
-
BLINK
Input AC OK,
battery charged
Normal operation,
battery fully charged
(or unit is set to Fixed
Float V mode)
Enabled CLOSED
-
ON
AC Under-
voltage Warning
Triggers when Input
Voltage drops below
approx. 90Vac
Enabled CLOSED
ON
-
AC Fail
AC fails or front switch
is off (Battery above
LVD level)
Battery
power
only
CLOSED
ON
OFF
Battery Low
Triggers when battery
OFF
OPEN
ON
OFF
Current Bar Graph
Temperature probe
connected indicator
Charge Mode
(Bulk/Absorb/
Float/Battery
not connected)
Output (or Battery)
current
Output Voltage
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