Terms in this set (16) What is the primary function of a fire alarm system? Provides notification of a fire emergency and is critical to an individual’s chance of survival.
What is the primary function of a fire alarm?
The basic fire alarm system has four main purposes: Detect a fire. Alert occupants of the fire condition. Activate safety control functions.
What are the main components of a fire alarm system?
What Are the Basic Components of Fire Alarm & Detection Systems?
- Fire alarm initiating devices.
- Fire notification devices.
- Fire alarm control panel.
- Primary power supply.
- Backup power supply.
Which thing is used in fire alarm?
Heat detectors usually have built-in thermistors to sense the heat. Carbon monoxide detectors use integrated chemical, electrochemical, opto-chemical or biomimetic cells to trace the gas. Smoke detectors use photoelectricity or ionization to detect smoke or combustion particles.
What is the working principle of fire alarm system?
They work by responding to changes in an electrical current, such as when a smoke detector identifies smoke and changes the current in response. Once the fire panel detects this current, it sounds the alarm. The conventional fire panel is installed in different zones—such as the first floor, second floor, etc.
What is a part 6 fire alarm system?
LD2 – A system incorporating detectors in all circulation spaces that form part of the escape routes from the premises, and in all rooms or areas that present a high risk of fire to occupants.
What are the 3 main types of fire alarm?
The three most common smoke detectors are ionisation, photoelectric, and combination ionisation/photoelectric. All smoke detectors sound an alarm, when they identify smoke, in order to notify a building’s occupants. What differentiates these detectors from one another is the way that they detect smoke.