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    Fire alarm system plays an important part of the fire and life safety of building and its occupants. Fire alarm system main function is to detect a fire at a sufficiently early stage so that the people who are at risk can made safely either by escaping as fast as possible or extinguishing the fire that can also reduce or prevent the property damage. Therefore, a reliability and functionality of fire alarm system as a whole is very important. 

    The following are the different types of the Fire Alarm System:

    1. Conventional fire alarm system

    a. Conventional fire alarm system uses physical cabling to connect several detectors and call points. Conventional fire alarm system has no way to identify immediately the exact location of the fire, but can be arranged in “Zones” to easily identify the location of the cause of the alarm. Its devices are cheaper but will consume more cable wires compare to addressable, since each device will be connected to the control panel by its own cable wire. This system are mainly used specially in smaller property.
    conventional fire alarm system Wiring diagram 

    2. Addressable fire alarm system

    a. Addressable fire alarm system has the same detection principle, except that each detector can be given a set address that can help to identify the exact location of the detector that initiated the alarm, that can be seen in the fire alarm control panel. Addressable fire alarm system saves a lot of wire compare to conventional system, since the devices can share one cable wires up to the last device. Both ends of the wire is loop connected to the fire alarm control panel. This system are very suitable for large and high buildings, since they are able to pinpoint exactly which devices are triggering the alarm.
    addressable fire alarm system Wiring diagram

    3. Wireless fire alarm system

    a. Wireless fire alarm system, is hassle-free to install compare to conventional and addressable since it does not use any conduit and cable wires. However, even though you saved a lot of money in material and labor cost, the hardware and programming are higher than the wired systems. The devices are battery powered and can be placed anywhere and can be easily relocate if needed.
    wireless fire alarm system

    Fire Alarm System Components 

    The main component of fire alarm system are the following:
    1. Fire Alarm Control Panel
    Fire Alarm Control Panel is the brain or central hub of a fire alarm system. It displays the location and status of the alarm devices, and it gives precise location of the device that cause the alarm.
    fire alarm control panel
    2. Fire Alarm Initiating Devices
    Fire Alarm Initiating Devices are the devices that detects signs of fire and triggers the alarm. They are connected to the fire alarm system control panel. Initiating devices includes smoke detectors, heat detectors, flame detectors, manual pull station and fire sprinkler water flow switch.
    Fire Alarm Initiating Devices
    3. Fire Notification Devices
    Fire Notification Devices are the audible and visual devices in fire alarm system, it includes fire alarm horn, speaker and bell. Its main function is to alert people at risk in the event of a fire, that is why it is considered as the most important components of fire alarm system.
    Fire Notification Devices
    4. Primary Power Supply
    Primary power supply is typically supplied by the local utility, and also from generators that are located in remote areas wherein the electrical grid is not available. 
    5. Backup Power Supply
    Backup power supply commonly supplied by batteries and stored internally or adjacent to main fire alarm control panel or can be also from generator. It must also provide a 24 hours of power supply to control panel in case of power shortage.

    How Fire Alarm System Works? 

    In an event of a fire emergency, the fire alarm system main role is to detect fire and to alert people at risk inside the building and emergency response team to control the situation as fast as possible. Fire alarm system key functions is to detect (by the use of smoke detectors, heat detectors, flame detectors, etc.) , alert (by the use alarm horn, speaker, and bell), and monitor (control panel). 

    Fire Alarm System Maintenance 

    A functioning and well-maintained fire alarm devices can help reduce injuries, save lives and properties. The fire safety systems inspection, routine maintenance, and testing will help one in keeping in compliance with the local/state fire inspectors and also their insurance carrier. To keep the best condition of the fire alarm devices, it is advisable to keep a scheduled maintenance and check the following: 
    1. Checking of physical appearance of the fire alarm devices
    2. Smoke Detectors should be cleaned & tested for sensitivity levels (addressable type)
    3. Fire alarm control panel should be tested for all alarm, trouble, supervisory, reset & silence function
    4. Checking of the devices power supply
    5. Checking/ replacement of batteries
    6. Checking/ removal of any obstruction on the devices that may cause false alarm or malfunctioning
    7. Checking if the alarm is audible
    8. Devices must be replaced when exceeded 10 years from the manufactured date

     

    ASENWARE Centralized Monitoring Emergency Luminaire System is designed for managing, monitoring and controlling emergency lights automatically. 
    ASENWARE Fire Pump Series provide fire departments or private users with the ability to pump from any water source.

    At ASENWARE, you can choose the best quality of fire fighting equipment like  extinguisher, hose reels, fire monitors, nozzles and hose pipes.
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Explosion-proof Fire Alarm Sys...
Home > Products > Explosion-proof Fire Alarm System
Explosion-Proof Ultraviolet and Infrared Flame Detector AW-FD707EX
The detector AW-FD707EX combines the latest ultraviolet and dual infrared detection technologies to provide fast, accurate and reliable fire detection, and the patented signal processing algorithm can...
  • The detector AW-FD707EX combines the latest ultraviolet and dual infrared detection technologies to provide fast, accurate and reliable fire detection, and the patented signal processing algorithm can eliminate false alarm to against wrong light sources, which means it applies to most environment places (Refinery, Loading Rack and Aerosol Fill etc).
    The UVIR2 flame detector uses a new narrow-band current infrared pyroelectric sensor and the R2868 "sunlight blind" ultraviolet photoelectric sensor with a built-in 32-bit microprocessor and patented composite signal processing algorithm.
    • Extended detection range
    • Adjustable high sensitivity
    • More Flexible and Compatible
    • Easy Installation
    • Reliable fault diagnosis
    • Built-in high-speed, low-power,
    • high-performance 32-bit high-precision data processing chip.
    • The detector is suitable for a variety of fuels
    • Suitable for heavy industrial applications
    • Low maintenance cost, easy to update and improve
    • A small fire can be detected earlier.

    Detection Range

    Fire Source and Size

    Details

     

    Maximum Distance

    N-Heptane

     

    0.1m2

    Fire plate

    40m

    Gasoline

    35m

    Diesel

    35m

    Kerosene

    35m

    Alcohol

    30m

    Paper

    30m

     

    Methane

     

    H=0.5m W=0.3m

     

    30m

    Respond Time

     

    N-Heptane

     

    0.3*0.3m2

     

    <10s


  • Spectral range

    IR:4.3~5.0μMUV:185~260nm

    Viewing angle range

    angle120°

     

    Detection distance

    Burning

    Fire source size

    Detection

    distance

    N-heptane

     

    0.1m2Fire pan

    40m

    Gasoline

    35m

    Diesel oil

    35m

    Kerosene

    35m

    Alcohol

    30m

    Paper

    30m

     

    Methane

    Height0.5m

    Width0.2m

     

    30m

     

    Response time

    Fire source

    size

     

    Response time

    0.3m×

    0.3mN-heptane flame

     

    ≤10S

    Sensitivity level

    Class I

    Voltage range

    DC24Vvoltage range 1830V

     

     

    Working current

    ≤50mAIt has a working status indicator, which flashes green when it is under normal monitoring;It has a fire alarm confirmation light, which is always red when the fire alarm is in the state;It has a fault indicator light, which is always on when the fault

    state occurs

     

    Relay output

    Fire alarm relay1A@30VDCNormally open contact outputMonitoring state normally open contact is disconnectedFire alarm state normally

    open contact closed

    Fault relay1A@30VDCNormally open contact outputMonitoring state normally open contact closedFault alarm state normally open contact is

    disconnected

    Signal output

    Relay type

    2 fire alarm and fault relay output

    Operation method

    Infrared remote

    control

     

    Reset method

    Power-off reset/communication protocol

    reset/remote control reset

    Operating temperature

    -40℃~70

    Storage temperature

    -40℃~85

    Working humidity

    096%RH (non-condensing) can withstand 100%

    condensing humidity for a short time

    Explosion-proof certification

    ExdC T6 Gb/tD A21 IP66/IP67 T80

    Protection level

    IP66 /IP67

    Shell material

    Cast aluminum, surface paint

    Electrical Interface

    1×3/4NPTM25*1.5 G3/4 (Adapters can be

    customized according to requirements)

    Size

    120mm ×95mm ×85mm

    Weight

    0.7KG

    Accessories

    Cast aluminum bracket

     

    Design standards

    GB 15631-2008 Special fire detector》,GB 12791-2006Point type UV flame detector》,

    GB3836Explosive environment