Heat Detector Fdt221; Description; Specifications - Siemens FDOOT221 Technical Manual

4.5.2
4.5.2.1
4.5.2.2
No. Name
1 A1R
60 °C rate of rise
2 BR
80 °C rate of rise
Building Technologies
Fire Safety

Heat detector FDT221

Description

The heat detector FDT221 has the following parameter sets:
A1R (1)
BR (2)
See also

Specifications

Operating temperature Static activation
typ. / max. temperature
[°C] [°C]
25 / 50 60
40 / 65 80
Applicable with slow temperature increases <1 K/min.
1
Applicable with fast temperature increases >10 K/min. With slow temperature
2
increases of <10 K/min, this value increases by several degrees.
All parameter sets meet the criteria of standard EN 54-5.
Description [ 61]
Differential activation
temperature
1
T [K]
25
29
Planning
Parameter sets: Heat detector
Differential activation
possible from:
2
[°C]
3
30
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4
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01.07.2012