Bosch FAS‑420‑TP Series - Technical Specifications; FAS-420 Aspiration Smoke Detector Series

Aspiration smoke detector LSN improved Technical specifications | en 27
Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 6.1 | F.01U.029.275
Aspiration reducing film sheet 6.8mm AF-6.8, 10 units. 4.998.143.432
Aspiration reducing film sheet 7.0mm AF-7.0, 10 units. 4.998.143.433
Notice!
Plastic clips for deep-freeze facilities and blowing-out systems are sold separately.
3.8 Technical specifications
3.8.1 FAS‑420 Aspiration smoke detector series
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
FAS‑420‑TT1
FAS‑420‑TP2
FAS‑420‑TT2
– Starting current, fan voltage 6.9V 400/400mA 400/400mA
– Starting current, fan voltage 9V 400/400mA 400/400mA
– On standby, fan voltage 6.9V 210/210mA 245/250mA
– 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