22
en | Technical Specifications
Aspirating Smoke Detector
2018.04 | 2.0 | F.01U.130.926
Operation Guide
Bosch Sicherheitssysteme GmbH
1
2
Aspiration reduction for soiled areas and deep-freeze areas
1 Aspiration reduction for
deep-freeze facilities
2 ASD aspiration clip made of
plastic
During use in deep-freeze areas, the flexible aspiration reduction expands in the air sampling
openings and pushes the ice away during blowing out. The special plastic clip ensures that the
aspiration reduction remains at the defined location.
As the clips are more stable under pressure and the elastic rubber insert significantly
improves the cleaning effect, they are used for all plans and designs which require a blow-off
system due to environmental influences (e.g. increased exposure to dust).
Notice!
The standard AF-x aspiration reducing film sheets and the marking tapes are not suitable for
use in low-temperature areas.
The aspiration reductions with plastic clips are available separately.
3.6.3
Ceiling Lead-through Adapter
1
2
3
4
6
7
8
9
5
Ceiling lead-throughs
1
Ceiling
2
T-fitting
3
Pipe system
4
Complete ceiling lead-
through
5
Aspiration hose for ceiling
lead-through
6
False ceiling
7
Knurled nut
8
Aspiration reducing film
sheet
9
Aspiration
Summary of Contents for FAS-420
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