User Manual
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20
Siemens Building Technologies
Cerberus Division
01.2002
Details on the planning of the fire detection systems
Clean room, 2
nd
floor
Length
62m
Width 36m
Area 2232m
2
Height 2.9m
High sensitivity air sampling smoke detection system with HSD detectors at the return air
outlets slightly above floor level:
– 10 BDH2450.1 detection devices with interface card BDC2400 (pre-alarm 15%,
alarm 30%)
– 10 AD2 active detectors
Air sampling tube:
– Max 12 return air outlets (see planning guidelines)
Air sampling holes:
– 2 air sampling holes per return air outlet
Response sensitivity:
– The system reacts to the test fire with 5 metal film resistors 10Ω 0.6W connected in paral-
lel at 9V max. 5A.