Bosch AVENAR-4000 Interactive Dual-Optical Smoke Detector (FAP-425-DO-R + MS 400 B)

Description

The Bosch FAP-425-DO-R Series Addressable Fire Alarm Control smoke detector represents the absolute pinnacle of European life-safety engineering. Manufactured in Germany and carrying prestigious VdS Approval, the Bosch FAP-425-DO-R is a heavy-duty commercial component built to provide an uncompromising protective foundation for large enterprise facilities. This specialized Bosch FAP-425-DO-R model works seamlessly to protect high-rise buildings and complex industrial complexes.

Technical Specifications Table

Dual-Ray Scattered Light Efficiency & Intelligent Signal Processing Stability

The core electronic advantage of integrating the comprehensive Bosch FAP-425-DO-R interactive smoke detector is its proprietary Dual-Ray sensory architecture. Traditional optical sensors struggle to track fine, light smoke plumes stemming from early smoldering conditions or chemical materials. The advanced design of the Bosch FAP-425-DO-R frequently eliminates delayed responses during critical events. This high-end Bosch FAP-425-DO-R system overcomes detection delays by combining an infrared LED and a blue light LED inside a mathematically optimized scattered-light labyrinth.

Because light scattering shifts reliably based on particle size and wavelength, the dual photodiode sensor inside the Bosch FAP-425-DO-R instantly determines the size and volume of incoming smoke particles. This allows the Bosch FAP-425-DO-R to track lightweight smoke variations fast, giving your emergency response crews maximum time to mitigate structural fire risks. Additionally, the Bosch FAP-425-DO-R ensures outstanding long-term system stability in demanding industrial zones.

All evaluation data processed by the Bosch FAP-425-DO-R core is dynamically checked by onboard Intelligent Signal Processing hardware. Instead of triggering generic emergency relays when a single threshold spike happens, the internal microprocessor of the Bosch FAP-425-DO-R monitors real-time changes in particle behavior. The software loops of the Bosch FAP-425-DO-R check the slope, runtime data, and baseline changes against calibrated fire patterns. This complex process stops false alarms caused by steam, floating construction dust, or transient environmental humidity from disrupting operations.

Alternatively, you can keep the switches of the Bosch FAP-425-DO-R set to zero to delegate full system control to modern addressable fire panels. For high-integrity enterprise network compliance and to secure standard validation links across external tracking tools, browse our full documentation resources on the global Bosch Security and Safety Systems Hub. Deploying the reliable Bosch FAP-425-DO-R ensures unparalleled peace of mind for facility managers worldwide.

Frequently Asked Questions (FAQ)

Q1: What is the main advantage of the Dual-Ray technology inside the Bosch FAP-425-DO-R?
A: Dual-Ray technology uses an infrared and a blue LED at different wavelengths to figure out exact particle sizes, letting the system detect the absolute lightest, finest smoke profiles early and securely.

Q2: What is the purpose of the MS 400 B model code base included with this unit?
A: The MS 400 B is an authentic, Bosch-branded standard detector base that supports both flush and surface-mounted conduit wire tracking, providing heavy-duty screw terminals for fast loop connections.

Q3: How do you configure the address codes on this addressable analog smoke detector?
A: The unit features three bottom-mounted rotary switches. You can set them manually to dial in an address code from 1 to 254, or leave them at 000 to use auto-addressing via your panel programming software.

Q4: Can this device be cleaned on-site, or does the detector head require total factory replacement?
A: It features an integrated Chamber Maid Plug on the bottom. Your maintenance crew can blow out dust from the optical measurement chamber using simple compressed air, extending its operational life span.

Q5: What do the dual grey concentric color loops on the indicator face mean?
A: The dual grey loops are a specialized visual type encoding ring that lets testing technicians quickly confirm that the unit is a dual-optical smoke detector model during annual inspections.

Q6: Is this premium German-engineered device suited for outdoor or exterior facility placements?
A: No, it is designed strictly for indoor vertical placement within clean, dry buildings, factories, or warehouses with an operating temperature window ranging from -20°C up to +65°C.

Q7: Does this device provide integrated isolation safety against wire loop short circuits?
A: Yes, absolutely. Built-in internal short-circuit isolation links preserve the operational security of your LSN line loop even if a physical cable break or short occurs elsewhere on the network circuit.