User Manual

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7.0 Glossary
Alarm Condition
Occurs when devices such as detectors, pull stations, or sprinklers are activated. In a single
stage system, this condition activates all signaling devices throughout the building. In a two
stage system, this condition activates an alert signal and the General Alarm timer.
Circuits
Refers to an actual electrical interface and is classified as initiating (detection), indicating
(signal), or relay. The terms “circuit” and “zone” are often used interchangeably in the fire
alarm industry.
Fast Flash Rate
An LED flashes at 120 flashes per minute to indicate a supervisory alarm.
Indicating Circuit
A circuit in a fire alarm system that is connected to audible or visual signaling devices.
Initiating Circuit
A circuit in a fire alarm system that is connected to detectors, pull stations, sprinklers, or water
flow switches.
Latching Circuit
A circuit that, when activated, causes a condition on the panel that cannot be cleared until the
panel is reset.
LED
The light-emitting diodes (LEDs) of the FA-300 are colored either amber, red, or green. When
lit, LEDs provide information about the status of the panel.
Monitor Condition
Occurs when dampers open or close, when supply and return fans are running, etc.
Non-latching Circuit
A circuit that, when activated, causes a condition on the panel that is cleared once the circuit is
deactivated. This term is used to describe supervisory and trouble circuits.
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