Regulations - Bosch FAS-420-TT Series Operation Manual

32 en | Planning
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The following sections describe plans with standard requirements for airflow monitoring:
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The pipe plan for more sensitive airflow monitoring is described in
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The plan for monitoring air-conditioning ducts is described in
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The principles for measuring power supply and pipe length are contained in
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4.1

Regulations

The planning regulation below is based on the system limits of the FAS-420 series. Here, the
corresponding national regulations of the countries in their respectively applicable version
must be adhered to and planning must be adjusted to these.
The planning for the aspirating smoke detector in accordance with EN 54‑20 or ISO 7240-20 is
described below. The basic conditions are specified in Regulations. Planning must be carried
out in accordance with Standard Pipe Planning. In addition to Standard Pipe Planning, special
applications are also bound by the restrictions of the planning notes in accordance with
Planning with Single-hole Monitoring and the following sections. These must be taken into
account from the start in the case of any special planning processes.
Planning options in accordance with EN 54‑20 or ISO 7240‑20:
Various technical solutions are available to suit different planning criteria. The following table
lists the chapters in which the solutions are described.
Planning criteria
Area monitoring in
general
Detection of failure of a
single opening
Equipment protection/
cabinet monitoring
Long supply lines
2020.04 | 6.1 | F.01U.029.275
Defining the response sensitivity, page 37
Planning limits, page 38 .
Standard pipe planning, page 39
Planning for long pipe feed lines, page 56
Simplified pipe planning, page 53
Pipe planning for single-hole monitoring, page 47 .
Planning for forced airflow, page 67 .
Power supply, page 74 .
Technical solution
Basic planning
Single-hole monitoring
planning
Simplified pipe planning
Planning with long supply
lines
Operation guide
Aspiration smoke detector LSN improved
Principles Restriction
Section
Standard pipe
planning, page
39
Section Pipe
Section
Standard pipe planning for
planning, page single-hole
39 monitoring, page
47
Section Section
Standard pipe Simplified pipe
planning, page planning, page
39 53
Section Planning
Section
Standard pipe for long pipe feed
planning, page lines, page 56
39
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