Fig. 2: Connecting external devices FDA261, FDA262
1 Pipe system 6 Aspirating smoke detector
2 Blowing-out unit (optional) 7 Smartphone
3 ASD filter box FDAZ292 (optional) 8 PC
4 External power unit with battery 9 Control / indicator (optional)
5 Return pipe (optional) 10 Pushbutton, sounder beacon (optional)
Topology of the pipe system
Select the topology based on the following factors:
● Monitoring area, max.
– FDA221: up to 500m
2
– FDA241: up to 800m
2
– FDA261: up to 3600m
2
– FDA262: up to 6700m
2
● Geometry of the coverage area (e.g., room shape, projections from walls, false
ceilings)
Various topologies (examples):
I topology
System description
3
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