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Fire Alarm System

Addressable Fire Alarm System

A Fire Alarm Control Pannel (FACP) / Fire Alarm Control Unit (FACU), is an electric panel that is the controlling component of a fire alarm system which is installe dat various places as a protective measure against fire; sounds an alarm when actuated by a fire detection system. Fire Alarm System is essential to warn all occupants that a fire or emergency situation exists. Sometime fire detection and alarm systems are used to compensate or to give special cover for items of high values. In case of fire early detection of smoke and heat helps in fighting the fire effectively & extinguishing it in nascent stage. Thus by early detection, we can prevent the fire from spreading in turn saving life and loss of property and business.

Whatever the reason, an automatic fire detection and alarm system generally provides a network of manual call points, fire sensors and alarm warning devices over the area covered. It is, in effect, the eyes and mouth of the building to constantly monitor the building and warn if a fire breaks out, or is suspected in the way we do, if we see flames or smell burning.

Types of Fire Alarm System:

  • Conventional Systems are used for small installation as it becomes cost effective and also serves the purpose os safety and location identification is easy.
  • Addressable Systems are used for high ends like hotels, hospitals, high rise buildings, BPO's etc. The system gives you pin point location of detection and complex operations are also posible such as HVAC trip off, lift management, access control door release etc.

Components of the System:

Fire Alarm Panel.

Manual Call Points.

Panic Switches.

Hooters.

Cable and Instrumentation.

Linear Heat Sensing Cables.

Detectors ( Smoke / Heat / Multi / Bean / Flame / UV IR / Gas / Etc )

Conventional Fire Alarm System

Conventional Systems are used for small installation as it becomes cost effective and also serves the purposr of safety and location identification is easy. It is a well-proven technology protecting many hundreds of thousands of properties worldwide.

In a typical Conventional fire Alarm System the 'intelligence' of the system resides solely within the Fire Alarm Control Panel, Which recieves a trigger signal from a Conventional Detector or Call Point and in turn, signals the condition to othe devices such as alarm sounders and remote signalling equipment. The control panel operates from house power but also usually contains an emergency battery which can operate the system for about 24 hours during a power outage.

Basic System Functional Operation:

When a fire alarm condition i.e. Smoke is detected and reported by the system Initiating devices, the following functions shall immediately occur:

  • The System Alarm LED shall flash.
  • An electric signal in the control panel shall sound.
  • The LCD display shall indicate all information associated with the fire alarm condition, including the type of alarm point and its location within the protected premises.
  • The audio portion of the system shall sound the proper audio signal consisting of alarming tone.

Smoke Detection & Fire Alarm System

The Fire Detection & Alarm System is designed to help in identifying fire, heat or smoke and to alert immediately the building's occupants for evacuation. There are two types of Fire Alarm Systems, Addressable Fire Alarm System and Conventional Fire Alarm System.

Types of Fire Alarm System

Addressable Fire Alarm System

In an Addressable Fire Alarm System, all the Smoke Detectors and other Devices are given an individual address (name) which are identified by the Fire Alarm Panel. This helps in recognizing the exact location of ignition of fire/smoke even in a multi-storied building hence, reducing the time required to locate the fire/smoke.

  • Higher degree of programming flexibility
  • Self configurable via panel keyboard
  • Can connect up to 64-312 addressable devices per loop
  • Single Point Detection
  • Day/night function

Conventional Fire Alarm System

The Conventional Fire Alarm System can be divided into multiple zones, each having up to 20 Smoke Detectors. At the time of fire/smoke, the Fire Alarm Control Panel identifies the affected zone.

  • Has small number of circuits connected to the device
  • Each circuit connected to the alarm covers a zone
  • LED lights indicate the activated zone in a building
  • Can detect the affected zone not the particular device
  • Can connect up to 20 devices in a zone