Siemens FDOOT241-9 - Neural Fire Detector FDOOT221; Description; Application; Specification

Project engineering
48
Building Technologies 007004_k_en_--
Fire Safety & Security Products 16.04.2009
4.3.4 Neural fire detector FDOOT221
4.3.4.1 Description
Standard (2):
The priority of the 'Standard' parameter set is set to robust response. It is thus
particularly suited for us in rooms where deceptive phenomena such as cigarette
smoke or dust can be expected.
Standard Plus (4):
This parameter set is fast and highly sensitive. It is thus especially suited to rooms
without deceptive phenomena, where the priority is on early fire detection.
4.3.4.2 Application
Risk of injury to
persons
Concentration of
valuable items
Room geometry Deceptive
phenomena
Risk of fire Critical fire size No. Name
small …
large
low…
high
simple…
complex
few…
many
small …
large
small …
medium
2 Standard
4 Standard Plus
4.3.4.3 Specification
Optical Thermal
Response time Sensitivity, open
fire
Sensitivity,
smoldering fire
Static activation
temperature
Differential activation
temperature
1
No. Name
[s] [%/m] [%/m] [°C] ∆T [K]
2 Standard 64 3,2 11,4 80 29
4 Standard Plus 50 2,3 8 80 25
1
Applicable with fast temperature increases >10 K/min.
All parameter sets meet the criteria of standard EN 54-7.