Operator controls – on alarm backup power – Liberty Pumps PDC-Series User Manual

Page 6

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.