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In its simplest form, the user activates the alarm by pulling the handle down, which completes a circuit and locks the handle in the activated position, sending an alarm to the fire alarm control panel. After operation, most fire alarm pull stations must be restored to the ready position using a special tool or key for the panel to be reset.
Coded panels were the earliest type of central fire alarm control, and were made during the 1800s to the 1970s. A coded panel is similar in many ways to a modern conventional panel (described below), except each zone was connected to its own code wheel, which, depending on the way the panel was set up, would either do sets of four rounds of code until the initiating pull station was reset ...
Fire alarm systems are required in most commercial buildings. They may include smoke detectors, heat detectors, and manual fire alarm activation devices (pull stations). All components of a fire alarm system are connected to a fire alarm control panel. Fire alarm control panels are usually found in an electrical or panel room.
Control panels and power supply EN 54-2 Part 2: Control and indicating equipment (Fire alarm control panel) 1997 + A1:2006 + AC:1999 Yes Alarm devices EN 54-3 Part 3: Fire alarm devices - Sounders 2014 + A1:2019 Yes Control panels and power supply EN 54-4 Part 4: Power supply equipment 1997 + A1:2002 + A2:2006 + AC:1999 Yes Detectors EN 54-5
The term "fire detection and fire alarm systems" is a fairly wide definition, including small systems whose field devices consist only of sounders and manual call points, to complex networked systems with a large number of automatic fire detectors, manual call points and sounders, connected to numerous networked control and indicating panels.
Fire-Lite Alarms is an American company owned by Honeywell and based in Northford, Connecticut. Fire-Lite manufactures fire alarm control panels (FACPs), EVAC (emergency voice and alarm communicator) panels, manual pull stations, digital alarm communicators, and annunciators. Fire-Lite was founded in 1952 by Edward Levy, along with his son ...
The standard fire alarm sound used in most of North America. Coding refers to the pattern or tones a notification appliance sounds in and is controlled either by the panel or by setting jumpers or DIP switches on the notification appliances. The majority of audible notification appliances installed prior to 1996 produced a steady sound for ...
The alarm transmission methods covered under UL 365 can be categorized under standard line security or encrypted line security. The systems are required to operate within the limits of Class 2 remote control and signal circuits as defined by the National Electrical Code, NFPA 70. [15]