Technical Data - Bosch FAS‑420‑TP Serie Guía De Instalación Rápida

Aspiration smoke detectors LSN improved
2.
The initialization is complete after approx. 10 seconds. Following successful initialization, the
operating LED lights up permanently. No further modifications may be made to the pipe
system during or after initialization. The fan voltage must also remain unchanged following
initialization. Otherwise, the initialization procedure must be repeated.
Troubleshooting Using Flash Codes
Malfunctions and unit statuses are displayed using flashcodes:
–
–
LED flash code on detector module
1 flash
2 flashes
3 flashes
4 flashes
Permanently lit
LED flash code on the motherboard (LED1/LED2)
1 flash
2 flashes
3 flashes
4 flashes
5 flashes
6 flashes
7 flashes
8 flashes
5

Technical data

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)
–
–
–
Bosch Sicherheitssysteme GmbH
To initialize the connected pipe system, press the S2 flow-init button on the detector
module concerned until the green operating LED on the unit starts to flash.
By means of an LED on the detector module
By means of one or two LED(s) on the unit motherboard (one LED per detector module).
Airflow initialization active (flow-init)
Airflow too small (obstruction)
Airflow too large (pipe breakage)
Unit upload (approx. 2 min)
Detector faulty
Error: internal voltage monitoring 1
Error: internal voltage monitoring 2
Error: fan voltage monitoring
Error: air pressure correction voltage monitoring
Software error
Internal error 1
Internal error 2
Unit upload (approx. 2 min)
Starting current, fan voltage 6.9 V
Starting current, fan voltage 9 V
On standby, fan voltage 6.9 V
Quick installation guide
Technical data | en
15 V DC-33 V DC
14 V DC-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
2020.04 | 5 | F.01U.029.274
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