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Planning
Configuration
4
23
Building Technologies
A6V10320090_c_en_--
Fire Safety
02.11.2011
Adjustable max. sound
levels with cover plate
(typ. values in
[dBA/1m]
1
)
No.
Tone
Frequency pattern
Sweep from → to
Pulse pattern
at 12 V
at 32 V
Norm
10
Slow-whoop
Sweep-up,
linear
500 Hz → 1200 Hz
3.75 s
0.25 s
80
83
Australia 'Action'
AS 2220 -1978
11
Intermittent
970 Hz
80
83
ISO 8201
US Temporal Tone LF
31
Mute
Alarm sounder is switched off so that the FDSB229 can be operated simply as a beacon.
1
The sound level depends on the angle. See 'Annex technical data'
See also
Tones and sound levels of the interbase (DC 32 V) [➙ 36]