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Bosch Aspirating Smoke Detectors and Duct Detector Housing in Bhopal

Fire Protection System (FPS), a Bosch dealer in Bhopal, supplies Bosch aspirating smoke detectors, the addressable FAS-420 series for LSN improved and the conventional FCS-320 series, plus the FAD-420-HS-EN duct detector housing. FPS installs, commissions and maintains them across Madhya Pradesh.

Where to use Aspirating & Duct Smoke Detection

  • Rooms that need very early fire detection (area or zone protection)
  • Protection of individual equipment
  • Monitoring air-conditioning units or ducts, with the detector installed outside them
  • Several small rooms on one pipe network, using room identification to show which room has smoke
  • Ventilation ducts with air speeds from 1 m/s to 20 m/s (FAD-420-HS-EN)
  • Difficult environments, using contamination resistance and temperature compensation
  • Bosch LSN improved systems (FAS-420) or conventional panels (FCS-320)

Bosch Aspirating & Duct Smoke Detection models

How to choose

An aspirating smoke detector draws air through a network of sampling pipes with small holes and tests it for smoke in a central unit, so it can watch a room, a piece of equipment or an air-conditioning duct from one place. Bosch's units monitor the airflow down to single holes to spot blocked or broken pipes, and use suction-reducing film sheets to simplify pipe planning. First choose the system: FAS-420 detectors connect directly to Bosch LSN improved loops, with two isolators, and FCS-320 detectors work with conventional panels.

Next choose the format. The TP and TT models take one pipe system (TP1, TT1) or two (TP2, TT2), and need detector modules ordered separately, with 0.5, 0.1 or 0.015 %/m response sensitivity; a two pipe unit takes two modules, either to double the area or for two-detector dependency. The TT models add a differentiated alarm and smoke level display. The compact TM models take one pipe system and need the FAS-420-TM-HB housing base, ordered separately. The -R versions add room identification, pinpointing the fire among up to five distinct areas, and the FAS-420-TM-RVB adds a 10-segment smoke level bar graph.

For smoke in ventilation ducts, the FAD-420-HS-EN is an air sampling housing with base for the FAD-425-O-R detector, which is ordered in addition. It works at air speeds from 1 m/s to 20 m/s and can take an optional relay board to switch fans, door controls or external displays. FPS supplies, installs and maintains Bosch aspirating and duct detection in Bhopal and across Madhya Pradesh; confirm the exact unit, detector modules and accessories with FPS.

Frequently asked questions

How does an aspirating smoke detector work?
The detector draws air from the protected area through sampling pipes to a central detector, which checks it for smoke. Bosch's units also monitor the airflow, including single holes, to detect blocked or broken pipes.
What is the difference between the Bosch FAS-420 and FCS-320?
The FAS-420 series is analog addressable and connects directly to Bosch LSN improved loops. The FCS-320 series is conventional, for use with conventional fire panels.
Do I need to order a detector module separately?
Yes, for the TP and TT models. One pipe units need one detector module and two pipe units need two, with 0.5, 0.1 or 0.015 %/m response sensitivity. The TM models need the FAS-420-TM-HB housing base, ordered separately.
What does room identification (-R) do?
The FAS-420-TM-R, FAS-420-TM-RVB and FCS-320-TM-R can pinpoint where the fire is by monitoring up to five distinct zones on one pipe system.
Can these detectors monitor air-conditioning ducts?
Bosch states the aspirating detectors can monitor air-conditioning units or ducts provided the detector is installed outside the unit or duct. For direct duct sampling, the FAD-420-HS-EN duct housing with an FAD-425-O-R detector is designed for ventilation ducts.
Does FPS install Bosch aspirating detectors in Bhopal?
Yes. FPS is a Bosch dealer and supplies, installs, commissions and maintains Bosch aspirating and duct smoke detection in Bhopal and across Madhya Pradesh. Prices are on request: call or WhatsApp +91 92440 89060.

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