Bosch FAS‑420‑TP Serie Guía De Instalación Rápida página 19

Aspiration smoke detectors LSN improved
1 System overview
For the connections of the FAS-420-TP device, refer to graphic 01, page 4 . For the connections
of the FAS-420-TT device, refer to graphic 02, page 4 .
Position in
figure
FAS-420 series 1
2
3
4
5
For FAS-420-TP1 and FAS-420-TP2 LEDs, refer to graphic 01, page 4 .
FAS-420-TP Designation
I
II
III
1
Two alarm LEDs on the FAS-420-TP2
For FAS-420-TT1 and FAS-420-TT2 LEDs, refer to graphic 02, page 4 .
FAS-420‑TT Designation
I
II
III
IV
Bosch Sicherheitssysteme GmbH
Function
Cable bushing for connection of fire panel
and additional power supply (input/
output)
Pipe system 1 connection
Pipe system 2 connection (only for devices
with a two pipe system)
Connection for air-return pipe
Cable bushing for connection of fire panel
and additional power supply (input/
output)
LED Color
Operation Green
1
Alarm Red
Fault Yellow
1
LED
Operation
Fault
Main alarm
1
Internal alarm
1
Info alarm
Smoke level display 1 to 10
1
All displays doubled on the FAS-420-TT2
Quick installation guide
Explanation
1 x M 20, for cable diameters of
8 - 12 mm
For Ø 25 mm pipe system
For Ø 25 mm pipe system
2 x M 25 for cable diameters of
9 - 14 mm (expandable to 14 -
18 mm)
Explanation
Operation
Alarm
Fault
– in the pipe system
– of a detector module
– caused by fan failure
Color Explanation
Green Operation
Yellow Fault
–
–
–
Red 100% smoke level
Red 66% smoke level
Red 33% smoke level
1
10 yellow
Current smoke level
LEDs
System overview | en
in the pipe system
of a detector module
caused by fan failure
2020.04 | 5 | F.01U.029.274
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