Ceiling height (m)
≤
4,5
< 4,5
≤
6
< 6
≤
8
< 8
≤
11
< 11
≤
25
> 25
Operation radius (m)
Detector type
Heat Detector
EN 54-5 Type A
Photo-electric
Detector,
EN 54-7
Beam type smoke
Detector,
EN 54-12
5
5
5
NC
SA
SA
7,5
7,5
7,5
7,5
NC
SA
7,5
7,5
7,5
7,5
7,5
SA
*
* Generally a second detector layer is required approximately at the half of the
ceiling height.
NC - Not applicable in given height range.
SA - Used only for special applications.
Limits of operation radius and ceiling height for �ire detectors.
www.mavili.com.tr
06
h=0,1xH
h
7,5m
7,5m
H
Transmitter
Receiver
h
7,5m
7,5m
100m
TABLE A.
Beam type smoke detectors are composed of 1 receiver and 1 emitter. Receiver and emitter
should
see each other in max. 100m distance.
Receiver and emitter horizontally protects
7.5 m in both sides. With 1 pair of beam detector approximately an area of
1500m²
can
be protected.
