Siemens Cerberus DLO1191 Manual page 24

20
Siemens Building T echnologies
Cerberus Division
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Fig. 13 If the ceiling slopes only slightly (N <0.5), the monitoring beam in the gable is
unnecessary
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
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Booth distances determined by height of room
e1276e
09.2000