Bosch FCS-320-TM Operation Manual page 38

38 en | Planning
Procedure
In the following example, a plan without air filter with 4 openings, not fitted with any other
accessories, should satisfy class B. The red shaded areas show the potential plans with
different pipe shapes and fan voltage.
General
1. Selection:
Select the planning table with or without air filter, as
applicable.
Result:
Planning table and specified air filter
2. Selection:
Select the number of air sampling openings from the
planning table. Note the possible sensitivity classes.
Result:
Specified detector module with specified setting
and alarm threshold
3. Selection:
Select the sensitivity (sensitivity class) of the system
according to the gradation described in
Section 3.4 Defining the Response Sensitivity.
Result:
Specified sensitivity class in accordance with EN
54-20
4. Selection:
Select other pipe components, such as a water
separator.
Result:
Specified planning table
5. Selection:
Select the possible pipe length for the relevant pipe
shape and fan voltage.
Result:
Specified planning in accordance with EN 54-20 for
the previously specified parameters
You will find the planning tables in question in Section 8.1 Planning without air filter, page 94
and Section 8.2 Planning with Air Filter, page 95.
Abbreviation
S
MA
PA
l [m]
F.01U.130.928 | 1.0 | 2009.11
Example
Select the planning table with air filter,
Section 3.6.3 Planning with Air Filter, page 39
In the Section 3.6.3 Planning with Air Filter, page 39
table, select the column with four air sampling
openings (Number of air sampling openings, 4)
In the Section 3.6.3 Planning with Air Filter, page 39
table, select the response sensitivity you require
(class A, B or C) from the column highlighted in red.
You must select the class that corresponds to the
configured sensitivity.
Select the Section Without any other pipe accessories,
page 39 table.
In the Section Without any other pipe accessories,
page 39 table, select the pipe shape and fan voltage
you require, and note the permissible total pipe
length.
Meaning
Sensitivity (% LT/m)
Main alarm
Pre-alarm
Permissible total pipe length in meters
Operation Guide
FCS-320-TM Aspirating Smoke Detector
Bosch Sicherheitssysteme GmbH