Siemens FDA2 1 Series Planning, Mounting

3.1 Air aspiration
Variants
Variants Where air is aspirated
Standard pipe system ● On the ceiling
● False floor/false ceiling
● Out of cabinets from above
Capillary tubes ● Locations that are not in direct
contact with the pipe system
Primary air intake ● Ducts
● Shafts
● Air grates
The air is sucked into the pipe system through the aspirating holes in the pipes.
The number, distribution, and diameter of the aspirating holes in the pipes must be
planned individually for each application.
System
1
2
4
5
3
Fig. 3: Example: Pipe system for air aspiration
1 Room being monitored 4 Aspirating smoke detector
2 Pipes and fittings 5 Return pipe
3 Intake pipe
System description
Air aspiration
3
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Siemens FDA2 1 Series Specifications

General

Brand	Siemens
Model	FDA2 1 Series
Category	Smoke Alarm
Language	English