Fire detection system operation

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My practical experience in fire detection with my team

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Fire detection system operation

  1. 1. What is Fire Detection System? An automatic fire alarm system is designed to detect the unwanted presence of fire by monitoring environmental changes associated with combustion. In general, a fire alarm system is classified as either automatically actuated, manually actuated, or both. Automatic fire alarm systems are intended to notify the building occupants to evacuate in the event of a fire or other emergency, report the event to an off- premises location in order to summon emergency services, and to prepare the structure and associated systems to control the spread of fire and smoke.
  2. 2. System details….. Make: Bosch Model: FPA-5000 Modular Fire Panel Type: Intelegent Addressable system.
  3. 3. Fire Detection system @ one of hotel I worked …
  4. 4. ©2010 Starwood Hotels & Resorts Worldwide, Inc. All Rights Reserved. CONFIDENTIAL & PROPRIETARY May not be reproduced or distributed without written permission of Starwood Hotels & Resorts Worldwide, Inc. 4 System overview……
  5. 5. 5 Methods of notifications……. Visual signals…….. A Mircom horn/strobe fire alarm …. Voice evacuation….. detectors…… Manual call point….. Active Repeater panel…..
  6. 6. 6 Levels..…
  7. 7. Installation & operation How can I Install & operate to the device ?
  8. 8. Installation & operation
  9. 9. Active Repeter Pannel located @ Service Express Installation & operation
  10. 10. Connection for detector to LSN 300 module LSN 0300A •Supports max. loop current of up to 300mA •Up to 254 LSN improved elements and 127 LSN standard elements •Max. loop length of 1.6 Km. •2 status LED s (yellow = fault, red = fire) •1 loop test button (checks for any discontinuity in LSN loop) •Current consumption 39mA at 24V dc. •Two Auxiliary power outputs each of 500mA at 28V (Auxiliary power outputs can be used to power LSN loop elements which require external power supply eg. FLM-420 CON-D/S Module)
  11. 11. Connection for detector to LSN 300 module
  12. 12. Connection for smoke detector base
  13. 13. Optical & Thermal detector operations Working principle:- Optical: light scattering principle: If the wavelength of light is less than the particle size, light gets scattered by that particle. All optical detectors will have an LED and a photodiode. When the smoke particles enter the smoke chamber, the light from LED gets scattered by the smoke particles and falls on photodiode generating a current .All Bosch LSN improved detectors has an intelligent signal processor to process the electrical signal and compare it with about 5000 stored values, to decide whether to give alarm or not. Thermal: A Thermistor in a resistance network is used as a thermal sensor, from which an analog-digital converter measures the temperature-dependent voltage at regular intervals. Depending on the specified detector class, the temperature sensor triggers the alarm status when the maximum temperature of 54 °C or 69 °C is exceeded (thermal maximum), or if the temperature rises by a defined amount within a specified time (thermal differential).
  14. 14. Optical detector with base sounder for Guest rooms Working principle:- Optical: light scattering principle: If the wavelength of light is less than the particle size, light gets scattered by that particle. All optical detectors will have an LED and a photodiode. When the smoke particles enter the smoke chamber, the light from LED gets scattered by the smoke particles and falls on photodiode generating a current .All Bosch LSN improved detectors has an intelligent signal processor to process the electrical signal and compare it with about 5000 stored values, to decide whether to give alarm or not.
  15. 15. Manual call point Installation & operation
  16. 16. Manual call point (MCP) operation The FMC-210-DM Manual Call Points are used for manual triggering, and are deployed in the Local Security Network LSN and LSN improved. Form H Manual Call Points are designed for outdoor deployment, form G Manual Call Points are designed for indoor deployment. 1)In the event of an alarm, the glass pane 2) is broken first, then the manual call point 3) is pressed hard. This activates the micro switch for alarm triggering and the indicator LED 4) blinks. A mechanism holds the pressed call point down. The manual call point can be reset with the reset lever 5)By closing the door of the manual call point (1). The indicator LED (4) goes out. *Identification with display of the call point address on the fire panel ensures the quick location of the triggered call point.
  17. 17. Fire panel operation & Maintenance Operation 1) Bypass Block Bypass 2) History Log 3) Drill & Reset
  18. 18. Fire panel operation & Maintenance Operation Press Home button
  19. 19. Bypass Block Bypass Operation Simply press & touch Bypass Block
  20. 20. Bypass Block Bypass Operation Simply press Bypass
  21. 21. Bypass Block Bypass Operation •First select the required particular location or Zone . • Put once Bypass If any fire happened particular detector not respond .
  22. 22. Operation Make sure that system by passed or not ? If yellow indication means system bypassed Bypass Block Bypass
  23. 23. Bypass Block Bypass Operation * After completion of the work that system put should be kept in Un- Bypass then Bypass indication goes OFF mode.
  24. 24. History log Operation Simply press Diagnostics
  25. 25. History log Operation Simply press Diagnostics
  26. 26. History log Operation Simply press Diagnostics
  27. 27. ©2010 Starwood Hotels & Resorts Worldwide, Inc. All Rights Reserved. CONFIDENTIAL & PROPRIETARY May not be reproduced or distributed without written permission of Starwood Hotels & Resorts Worldwide, Inc. 27 Safe….westin….. We complete successfully ……there are no faults in the hotel now…

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