PI - 34.85
Product Information Linear Smoke Detector Fireray 50/100RV
601-F.01U.002.705
A1.en / 29.12.2004
ST-FIR/ PRM1/ zab
Seite 8 von 22
Heat accumulation under roof surfaces can hinder the travel of climbing smoke to
the ceiling. The detector must therefore be mounted below an expected heat
accumulation. This can mean that the benchmark values for
D
L
specified in the
table must be exceeded.
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Recommended height
below the ceiling
30-90 cm
IR beam
Heat accumulation
Ceiling
Smoke cloud
If you are uncertain about the correct position, use a smoke test to establish it.
6.1. Arrangement of the detectors on flat ceilings
D
H
D
R
Fireray 50/100 RV
Prism reflectors
D
L
D
H
2 x D
H
D
H
D
H
Horizontal distance to detector and wall 0.5 m to 7.5 m (VdS max. 7.0 m)
2 x D
H
Distance between two parallel beams max. 15 m (VdS max. 14 m)
D
L
Distance from the ceiling 0.3 m to 0.9 m
D
R
Range = distance between detector and reflector:
Fireray 50RV: 5 m to 50 m, Fireray 100RV: 50 m to 100 m
D
H
und D
L
are not dependent on the room height R
H
(see table 1.).