Bosch FAS-420-TT2 - Page 29

Aspiration smoke detector LSN improved Technical specifications | en 29
Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 6.1 | F.01U.029.275
– On standby, fan voltage 9V 170mA 210mA 170mA 210mA
– On alarm, fan voltage 6.5V 150mA 180 mA 150mA 180 mA
– On alarm, fan voltage 6.9V 160mA 200mA 160mA 200mA
– On alarm, fan voltage 9V 190mA 230mA 190mA 230mA
Mechanics
Displays on the device FAS‑420‑TP1/FAS‑420‑TP2
– Power Green LED
– Fault yellow LED
– Alarm 1 red LED/2 red LEDs
Displays on the device FAS‑420‑TT1/FAS‑420‑TT2
– Power 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 (W x H 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 according to EN 60529 IP 20
Permissible temperature
– 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 ‑SL variants From 31dB(A)