Technical Specifications; Fas-420 Aspiration Smoke Detector Series - Bosch FAS-420-TT Series Operation Manual

Aspiration smoke detector LSN improved
Aspiration reducing film sheet 6.8 mm AF-6.8, 10 units.
Aspiration reducing film sheet 7.0 mm AF-7.0, 10 units.
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
Auxiliary power supply
LSN current consumption
Current consumption from auxiliary power supply
(at 24 V)
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Mechanics
Displays on the device FAS-420-TP1/FAS-420-TP2
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Displays on the device FAS-420-TT1/FAS-420-TT2
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Conical duct connections for Ø 25 mm
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Bosch Sicherheitssysteme GmbH
Starting current, fan voltage 6.9 V
Starting current, fan voltage 9 V
On standby, fan voltage 6.9 V
On standby, fan voltage 9 V
On alarm, fan voltage 6.9 V
On alarm, fan voltage 9 V
Operation
Fault
Alarm
Operation
Fault
Level display
Alarm
Aspiration pipe
Air-return pipe
Operation guide
Technical specifications | en
4.998.143.432
4.998.143.433
15 V DC to 33 V DC
14 V DC to 30 V DC
6.25 mA
FAS‑420‑TP1 FAS‑420‑TP2
FAS‑420‑TT1 FAS‑420‑TT2
400/400 mA 400/400 mA
400/400 mA 400/400 mA
210/210 mA 245/250 mA
285/290 mA 325/330 mA
210/230 mA 245/280 mA
285/305 mA 325/360 mA
Green LED
Yellow LED
1 red LED/2 red LEDs
Green LED
Yellow LEDs
1 x / 2 x smoke level display, each
with 10 segments (1-10)
1 x 3 / 2 x 3 red LEDs for info alarm,
internal alarm and main alarm
1 pipe/2 pipes
1 pipe
2020.04 | 6.1 | F.01U.029.275
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