Operator controls – on alarm backup power – Liberty Pumps PDC-Series User Manual
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Operator Controls
– On Alarm Backup Power
The operator has access to front
– panel push – button controls to change the horn enable status, to test the alarm
circuits, and to manually run the pumps.
Control Push-
button
Existing Condition(s) Action When Pressed
*HORN ENABLE
/ DISABLE
HORN DISABLE
indicator is blinking
Horn Disable indicator will stop blinking and the horn will be enabled.
HORN DISABLE
indicator is OFF
Horn disabled indicator will start blinking and the horn will be disabled for
12 hours. After 12 hours, the indicator will turn off automatically and the
horn will then be enabled
ALARM TEST
Horn, alarm indicator, and auxiliary relay will turn on. They will remain in
that state until the button is released
MANUAL RUN
The button press is ignored due to lack of primary power.
*Horn disable LED is on PDC-115 and PDC230 units only. Outdoor units, PDCW-115 and PDCW-230, have an alarm
silence switch on the exterior of the unit.
Front-Panel Indicators
– On Alarm Backup Power (9 volt battery)
The horn and LED indicators on the front panel, are used to show various conditions in the controller. Each indicator is
described below.
Indicator
Indicator State
Description
POWER
LED
Off
Power is off to the panel and the backup alarm battery is dead.
Blinking
Primary power to the panel is Off; the panel is on alarm backup power. Pumps will
NOT run. See the section on Alarm Backup Power.
*Horn
Disable LED
Off
Horn operation is Enabled. The horn Will beep on and off in an alarm condition.
Blinking
Horn operation is Disabled.
Alarm LED
Off
There is no alarm condition.
Blinking
An alarm condition is active.
PUMP 1
LED
OFF
The Pump 1 indicator will always be OFF when on alarm backup power.
PUMP 2
LED
OFF
The Pump 2 indicator will always be OFF when on alarm backup power.
HORN
OFF
No alarm condition is present.
BEEPING
An alarm condition is present.
*Horn disable LED is on PDC-115 and PDC230 units only. Outdoor units, PDCW-115 and PDCW-230, have an alarm
silence switch on the exterior of the unit.