2-4
When an alarm condition occurs, the building’s warning system activates to warn the
building’s occupants about the alarm condition. In addition, the external bell sounds to
indicate the location of the 4100U-S1 FIP. During maintenance or testing, these outputs can
be prevented from activating by isolating them before an alarm occurs. In a real alarm
situation, they should be left operating until Brigade personnel choose to turn them off.
While the alarm exists and the zone is unisolated, pressing the <WARN SYS ISOLATE> key
(control key) toggles the state of the warning system output.
The following occurs when the <WARN SYS ISOLATE> key is first pressed.
•
Warning System Isolate indictor turns steady ON.
•
The Emergency Warning System (EWS) turns OFF. If the EWS is a separate system (e.g.
EWIS), then you may have to manually reset the EWIS panel.
The occurrence of another alarm will not activate the EWS again until the warning system is
de-isolated. When the panel has been reset, leave the EWS de-isolated.
While the alarm exists and the zone is unisolated, pressing the <EXT BELL ISOLATE> key
toggles the state of the external bell output.
When the bell is sounding due to an alarm condition, pressing the < EXT BELL ISOLATE>
key once does the following
•
EXT BELL ISOLATE indicator turns steady ON.
•
The External Bell turns OFF.
The occurrence of another alarm will not activate the external bell again until it is de-isolated.
When the panel has been reset, leave the external bell de-isolated.
Note that pressing the Isolate key for every zone that is in alarm will turn on each
corresponding zone isolate LED and turn off all outputs activated by the zone being in alarm,
such as the warning system and external bell.
Note also that with a point or zone in alarm (e.g. by use of Alarm Test) the above function
Isolate keys can be used during testing to briefly turn on an output and check that it works.
Isolating (Silencing) the EWS or External Bell
Overview
Isolating the EWS
Isolating the
External Bell
Isolating the Zone
Содержание 4100U-S1
Страница 2: ......
Страница 10: ...viii...
Страница 18: ...1 8...
Страница 36: ......
Страница 46: ......
Страница 52: ......
Страница 64: ......
Страница 78: ......
Страница 82: ...11 4...