FAS-420-TM Aspirating Smoke Detector Technical Specifications | en 31
Bosch Sicherheitssysteme GmbH Operation Guide F.01U.088.878 | 4.1 | 2010.11
Environmental conditions
Special features
2.8.2 Pipe system
2.8.3 Smoke Aspiration System Components
Water separator (FAS-ASD-WS)
Filterbox, large (FAS-ASD-FL)
– Housing base sides 8 x M 20 and 2 x M 25
– Housing base rear wall 4 x M 25
Dimensions (H x W x D) 222 x 140 x 70 mm
Weight Approx. 0.8 kg
Housing material Plastic (ABS)
Housing color Papyrus white (RAL 9018)
Protection category according to EN 60529
– Without air return IP 20
– With pipe section 100 mm/pipe bend IP 42
– With air return IP 54
Permissible temperature range of
aspirating smoke detector
-20 °C to +60 °C
Permissible relative humidity (non-
condensing)
Max. 95%
Sound power level (at 9 V fan voltage) 40 dB(A)
Response sensitivity (light obscuration) 0.5 to 2.0%/m
Life cycle of fan (at 12 V and 24 °C) 60,000 hrs
Maximum pipe length Ø 25 mm 50 m
Additional maximum pipe length Ø 12 mm 8 x 3 m
Maximum number of air sampling openings 8
Maximum length of aspiration hose per
ceiling lead-through
3m
Maximum size of monitoring area
400 m
²
Permissible temperature range
– PVC pipe system 0 °C to +60 °C
– ABS pipe system -40 °C to +80 °C
Features For use in areas with very high humidity
Plastic housing with manual drain valve
Sintered metal filter
PG cable glands for 25 mm pipe system
Incl. assembly bracket
Dimensions (H x W x D) 210 x 170 x 90 mm
Weight Approx. 1.4 kg
Features For use in areas with increased exposure to dust
Incl. filter set and two PG29 cable glands
Housing material ABS plastic
Housing color Light gray RAL 7035
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