Planning
Defining the place of installation
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Building Technologies
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Fire Safety
2018-06-28
4.2 Defining the place of installation
To determine where to install the flame detector, you must first calculate the
maximum detection distance d and then the maximum mounting height h. You can
use these measurements to split the area requiring monitoring into one or more
cubes. Each cube is monitored by one flame detector which is mounted in one
corner of the cube at 45°.
Figure 12: Cube as planning basis for determining the site of mounting
Detection distance d corresponds to the cube's space diagonal and is the
maximum distance between the flame detector and area being monitored.
Mounting height h corresponds to the cube's side length and is the flame detector's
maximum mounting height.
The area is only split into cubes as a basis for planning. The cube does not
correspond to the monitoring area. See also in this connection chapter 'Establish
flame detector arrangement [ 27]'.
You will find information on how to calculate detection distance d and mounting
height h in the following chapters.
WARNING
Unforeseeable flame behavior due to air circulation
Fire is not detected
Only use all the calculations provided below for areas with little air circulation.
If you want to use the flame detector in areas with high levels of air circulation,
please talk to your Siemens contact.
See also
2
Calculate detection distance [ 32]
2
Calculate mounting height [ 34]
2
Establish flame detector arrangement [ 27]
h
d
45°
