Bosch FAS‑420‑TP Series - FAS-420 Aspiration Smoke Detector Series - SL Variants

28 en | Technical specifications Aspiration smoke detector LSN improved
2020.04 | 6.1 | F.01U.029.275 Operation guide Bosch Sicherheitssysteme GmbH
Cable bushings 5 x M 20 and 2 x M 25
Dimensions (H x W x D) 292 x 200 x 113mm
Weight Approx. 1.5kg
Housing material Plastic (ABS)
Housing color Papyrus white (RAL 9018)
Environmental conditions
Protection category as per EN 60529 IP 20
Permissible temperature range
– Aspiration smoke detector -20°C to +60°C
– PVC pipe system 0°C to +60°C
– ABS pipe system -40°C to +80°C
Permissible relative humidity (non-condensing) 10 to 95%
Special features
Sound power level
FAS‑420‑TP1/‑TP2/‑TT1/‑TT2 45 dB(A)
Max. response sensitivity (max. light obscuration)
– DM‑TT‑50(80) Detector Module 0.5%/m (0.8%/m) *
– DM‑TT‑10(25) Detector Module 0.1%/m (0.25%/m) *
– DM‑TT‑01(05) Detector Module 0.015%/m (0.05%/m) *
Service life of the fan (12V) 43,000 hrs at 24°C
* The sensitivity value is based on measurements with standard test fires (old value in
brackets).
3.8.2 FAS‑420 Aspiration smoke detector series - SL variants
Electrical
LSN power supply 15VDC to 33VDC
Auxiliary power supply 14VDC to 30VDC
LSN current consumption 6.25mA
Current consumption from auxiliary power supply
(at24V)
FAS‑420
-TP1-SL -TP2-SL -TT1-SL -TT2-SL
– Starting current, fan voltage 6.5V 190mA 250mA 190mA 250mA
– Starting current, fan voltage 6.9V 190mA 250mA 190mA 250mA
– Starting current, fan voltage 9V 190mA 250mA 190mA 250mA
– On standby, fan voltage 6.5V 130mA 170mA 130mA 170mA
– On standby, fan voltage 6.9V 140mA 180 mA 140mA 180 mA