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Slide 1. Welcome to Chapter 8 Fire Alarm and Detection Systems. A fire alarm system is one of the three most important fire and life safety measures in a building along with fire separation and adequate exiting. In this Chapter we will identify when a fire alarm system is required, the types of systems available, the components that make up the ...
The control unit powers the fire alarm system. It transmits signals from pull boxes and fire detectors to the alarm signal devices, either audible or visual, installed at strategic locations in the building. Audible signal devices include bells, speakers, and sirens, a strobe light being a common visual signal device.
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alarm signals in the event of afire. fire alarm system is simplyan electricalsystem designed to ope. ate alarm signals in the event of a fire.It does. ’t take mu_c. to operate alarm signals. A power supplywir. d to a sw. e elaborate, we coulduse a power supply,several switche. ral bell. as show.
o, the fire alarm system.Control Unit. A device with the control circuits necessary to (1) furnish power to a fire alarm system; (2) receive signals from alarm initiating devices and transmit them to audible indicat-ing appliances and accessory equipment; and (3) monitor the integrity of the system insta.
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A protected premises system that sounds an alarm at the protected as the result of manual operation a fire alarm box or the operation of protection equipment or systems, such as water flowing in a sprinkler system, the discharge of carbon dioxide, the detection of smoke or the detection of heat. Public Fire Alarm Reporting System.
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An automatic fire alarm system—typically made up of smoke detectors, heat detectors, manual pull stations, audible warning devices, and a fire alarm control panel (FACP) with remote notification capability—can provide early warning of a developing fire. Such a system, however, does not a ssure protection against property
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Communication Protocols. . Each manufacturer of (analog) addressable fire alarm systems utilize a unique communications protocol on the SLC loop to. communicate between the control panel and the addressable devices. . Most protocols are developed by detector manufacturers. .
