Bosch FAS-420-TT2 - Page 26

26 en | Technical data Aspiration smoke detectors LSN improved
2020.04 | 5 | F.01U.029.274 Quick installation guide Bosch Sicherheitssysteme GmbH
– On standby, fan voltage 9V 285/290mA 325/330mA
– On alarm, fan voltage 6.9V 210/230mA 245/280mA
– On alarm, fan voltage 9V 285/305mA 325/360mA
Mechanics
Displays on the device FAS-420-TP1/FAS-420-TP2
– Operation Green LED
– Fault Yellow LED
– Alarm 1 red LED/2 red LEDs
Displays on the device FAS-420-TT1/FAS-420-TT2
– Operation Green LED
– Fault Yellow LEDs
– Level display 1 x / 2 x smoke level display, each
with 10segments (1-10)
– Alarm 1 x 3 / 2 x 3 red LEDs for info alarm,
internal alarm and main alarm
Conical duct connections for Ø25mm
– Aspiration pipe 1 pipe/2 pipes
– Air-return pipe 1 pipe
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)