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Siemens Building T
echnologies
Cerberus Division
09.2000
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Fig. 13 If the ceiling slopes only slightly (N <0.5), the monitoring beam in the gable is
unnecessary
Height of room
Booth distances determined by height of room
When the sides of the roof are un-
equal, the unit must be displaced
from the centre towards the less
steep side.
Fig. 14 Positioning underneath unequal sloping ceilings
With sloping ceilings the smoke is channelled into the gable, i.e. there is an increased
smoke concentration in this area. Therefore, the monitoring width per DLO1191 can be
increased according to section 4.11
