Aspiration smoke detector LSN improved Technical specifications | en 9
Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 6.1 | F.01U.029.275
For ‑SL variants, the fan voltage can also be set to 6.5V.
3.2 Areas of application
Thanks to their detection principle, FAS-420 aspirating smoke detectors represent an
extremely versatile fire protection solution.
Principle
Air samples are taken from the monitoring range by a pipe system with defined aspiration
borings and then fed to the detection module.
This is especially well-suited for areas in which point-type detectors cannot be used or can
only be used under certain circumstances. These include:
– Areas that are difficult to access, in which point detectors are difficult to install and
maintain
– Air-conditioned areas
– Areas that require the earliest detection possible
– Areas with a height greater than that allowed for point detectors
– Areas in which point detectors are not desired for aesthetic reasons
– Areas in which strong electromagnetic fields occur
– Areas that are exposed to high or low temperatures
– Areas with contaminated air that require filter elements
– Areas that must be protected against vandalism.
Space protection
The FAS-420 series is suitable for monitoring areas such as
– Those with double floors, false ceilings
– Tunnels, ducts, barely accessible hollow spaces
– Storage, high-rise warehouses, elevator shafts
– Museums, cultural institutions
– Hotel rooms, hospital rooms, offices, prison cells, train compartments
– Freezer storage
FAS / FCS
1
2
TITANUS MICRO·SENS ®
E
D
C
B
A
10
9
8
7
6
5
4
3
2
1
TITANUS MICRO·SENS ®
E
D
C
B
A
10
9
8
7
6
5
4
3
2
1
Principle of area monitoring with FAS-420 series Aspirating
Smoke Detectors
1 Room pipe system
2 Double-floor pipe system
Area monitoring with air-conditioning
Area monitoring occurs
– In rooms with air-conditioning for server rooms etc.
– In ventilation ducts
– In double floors, false ceilings
– In IT rooms, e-distributor rooms, transformer cells
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