System Operation
Autopulse-442R 50098:F 05/24/2001 29
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Acknowledge alarms, troubles and supervisories.
The panel has alarm and trouble resound with LED
flash of new conditions. The flashing trouble
LED(s) illuminate steadily on TONE SILENCE and
the piezo turns off. A second trouble will resound
the piezo. Trouble conditions are self-restoring.
Alarms latch and require RESET to clear. Unless
the unit is set for non-latching supervisory service,
supervisories latch and require RESET to clear. The
piezo has three tones for different conditions; see
“Piezo” in Section 3.4.
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Acknowledge for alarms and supervisories. The
ALARM SILENCE switch will silence the local
piezo, change any flashing alarm LEDs to steady,
and turn off the notification circuits (not the
releasing circuits). The “ALARM SILENCE” LED
will illuminate. Alarm silence is a latching function
and requires a RESET to clear.
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The ALARM ACTIVATE switch may be used to
activate Notification Appliance Circuits. ALARM
ACTIVATE also activates the System Alarm relay.
ALARM Activate is a latching function. Pressing
ALARM SILENCE silences the notification circuits
and System Alarm Relay and lights the Alarm
Silenced LED. Pressing RESET returns the system
to normal.
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The RESET switch breaks power to all initiating
circuits, four-wire smoke power and optional boards
and will clear any activated output circuits. If any
alarms or troubles still exist after reset, they will
reactivate the panel. Holding RESET down will
perform a LAMP TEST function and will activate
the piezo sounder.
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The alarm and/or trouble LED(s) will flash until the event(s)
has been acknowledged (TONE or ALARM SILENCE), at
which point the LED(s) will illuminate steadily.
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Alarm LED
Trouble LED
Alarm LED
Trouble LED
Abort LED
Abort Trouble LED
Manual Release
Manual Release
Trouble LED
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