FAS-420-TM Aspirating Smoke Detector Technical Specifications | en 11
Bosch Sicherheitssysteme GmbH Operation Guide F.01U.088.878 | 4.1 | 2010.11
– On air-conditioning units (Figure 2.2) or
– In the bypass in air-conditioning ducts.
The FAS-420-TM Aspirating Smoke Detector can be used for early fire detection in areas with
special-purpose air conditioning.
Thanks to its high sensitivity, expensive goods and equipment can be monitored reliably. The
aspirating smoke detectors from the FAS-420-TM series are therefore especially suitable for
areas of application:
– Where early intervention is essential due to a high value concentration
– Where equipment must always be operational
– Where highly sensitive detection is necessary (e.g. in areas where, due to built-in filter
elements, the air contains a low concentration of smoke particles)
– Where high air-exchange rates prevail.
Equipment protection
Equipment monitoring involves the direct monitoring of an object. These can be unventilated
or force-cooled units or cabinets, e.g.
– Distributor cabinets, switching cabinets
– Telephone-switching equipment
– Measuring, control, and regulation equipment.
Figure 2.2 Monitoring options for an air-conditioning unit or an air-
conditioning duct (depiction of principle)
1 Air-conditioning duct
2 Air-conditioning unit
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