Fire Alarm System (FAS)

Fire Alarm System (FAS) 

Fire is the effect of the process of combustion of special type of chemical reaction. Chemical reaction occur in reaction of fire, fuel and oxygen
Fire alarm system is warns people when smoke and fire is detected and ensure ultimate safety. Fire alarm system is used to keep people safe. Fire alarm system is designed to alerts us to take action in emergency, fire and smoke detected.
Fire alarm system is active fire protection system that control all fire alarm module. Fire alarm system control panel linked to number of fire detection lines and manual call points. Fire alarm system is automatic function to detect fire. Fire alarm system receive signal from fire sensors and automatic transmit in to fire alarm panel. Fire alarm system having number of devices and devices work together. Fire alarm system detect a fire at an early stage and alerting and evacuating occupants. Fire alarm system is active auxiliary function. Fire alarm system is identifying and guiding fire fighters

Different Components of Fire Alarm System 

  • Heat Detectors
  • Smoke Detectors
  • Carbon Detectors
  • Multi Sensor Detectors 
  • Manual Call Point 

Heat Detectors

  • Work on change in temperature.
  • Set/ Fixed temperature increased alarm is on.

Smoke Detectors

Detect smoke 
Types of Smoke Detector 
  • Ionization Smoke Detector 
  • Light Scattering Smoke Detector 
  • Light Obscuring Smoke Detector 

Ionization Smoke Detector 

Ionization smoke detector generally contain two chambers. First chamber used reference to compensate for changes in ambient temperature, humidity or pressure. Second chamber is air passing through the chamber where current flow between two electrode when smoke enters the chamber the current flow decreases the drop in current flow used to alarm on
Light Scattering Smoke Detector
Light scattering smoke detector operates on a tyndall effect. It have one light source and one photo cell. Light flow continuously in photo cell when smoke enter in chamber light does not transfer in photo cell and alarm is on. 
Light Obscuring Smoke Detector 
Light obscuring smoke detector smoke interface with a light beam between a light source and photo cell. Photo cell measure amount of light receive.

Carbon Detectors/ Carbon Monoxide Detectors

Carbon monoxide detector known as co fire detector. Carbon detector is electrical detector. Carbon detector is sensing level of carbon monoxide in the air.

Multi Sensor Detectors

Multi sensor detectors is combine inputs from both optical and heat sensors and process them using a detector circuit.

Manual Call Point

Manual call point is used to breaking the frangible elements on the fascia.

Types of Fire Alarm System 

  • Conventional Fire Alarm System 
  • Addressable Fire Alarm System 
  • Intelligent Fire Alarm System 
  • Wireless Fire Alarm System 

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