Bosch FAS-420-TT2 - FAS-420 Connections

Aspiration smoke detector LSN improved Technical specifications | en 15
Bosch Sicherheitssysteme GmbH Operation guide 2020.04 | 6.1 | F.01U.029.275
Notice!
Only type DM‑TT‑50(80), DM‑TT‑10(25) and DM‑TT‑01(05) detector modules with VdS
certification can be used in the standard units from the FAS-420 series. The detector modules
must be ordered separately.
Information on other accessories for special applications can be found in
– FAS‑ASD‑DIAG Diagnostic Software, page 17
– Remote Indicators, page 17
– Device Mounting, page 18
– Ceiling lead-through, page 21
– Water Separator for Humid Areas
– Detonation safety barrier for potentially explosive areas, page 24 .
3.5.2 FAS‑420 Connections
1
2
3
1
4
5
FAS -420 series
FAS -420 series
FAS / FCS
Figure3.1: FAS-420 connections (see table on next page for explanations)
Position in
figure
Function Explanation
FAS-420 series 1 Cable bushing for connection of fire panel
and additional power supply (input/
output)
1 x M20, for cable diameters of
8-12mm
2 Pipe system 1 connection For Ø 25mm pipe system
3 Pipe system 2 connection (only for devices
with a two pipe system)
For Ø 25mm pipe system
4 Connection for air-return pipe
5 Cable bushing for connection of fire panel
and additional power supply (input/
output)
2 x M25 for cable diameters of
9-14mm (expandable to 14-
18mm)