User Manual

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16
Siemens Building Technologies
Cerberus Division
01.2002
Details on the planning of the fire detection systems
Clean room, 2
nd
floor
Length
55m
Width 50m
Area 2750m
2
Height 3.4m
High sensitivity air sampling smoke detection system with HSD detectors in an 0.8m high
raised floor.
– 10 BDH2450.1 detection devices with interface card BDC 2400 (pre-alarm 15%, alarm
30%)
– 10 AD2 active detectors
Air sampling tube:
– 1 air sampling tube installed in the 0.8m high raised floor, 0.6m above the floor
Air sampling holes:
– One hole every 50cm (see planning guidelines)
Response sensitivity:
– The system reacts to a test fire with 5 metal film resistors 10Ω 0.6W connected in parallel
at 9V max. 5A.
Dropped ceiling
Length
55m
Width 50m
Area 2750m
2
Height 0.6m
Fig. 8 Eight infrared flame detectors above
the filter fan units