Special detectors
Aspirating smoke detector FDA221, FDA241
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10.5.3 Technical data
FDA241
FDA221
Operating voltage
DC 19...30 V
Operating current at DC 24 V
150 mA (nominal), 250 mA (during alarm)
Dimensions (W x H x D)
162 x 285 x 120 mm
Protection category
IP30
Installation position
Vertically upward, vertically downward
Sound power level LWA [dBA]:
1)
-
At suction speed
- High
- Medium
- Low
37
33
30
33
30
26
Operating temperature
-20...60 °C
Air humidity
5…95 % (no moisture condensation)
Dust indicator
Yes
-
Maximum pipe length
- Single line
- Branched lines
60 m
2x 60 m
30 m
2x 25 m
Options for aspirating holes
Prefabricated options or the maximum pipe length must correspond to
the calculation made using the 'FXS2056 ASD Asyst Tool V2' software
Air intake/exhaust pipe
Metric: 25 mm outer diameter (OD)
Monitoring area (dependent on local
provisions and standards)
Up to 800 m²
Up to 500 m²
System compatibility
Compatible with all Siemens FC20/FC720 (FS20/FS720 systems)
Relay alarm outputs
Can be selected with/without lock
Nominal current 2.0 A at DC 30 V.
Contact: NO/NC
4
3
Fault relay
1
1
Cable inlet
10 cm x 2.5 cm on the rear or from above
Terminal configuration
Screw terminals
Conductor cross section
0.2…2.5 mm
2
(AWG 12…30)
Other interfaces
Power supply, 4…20 mA
Alarm threshold for parameter sets:
Fire 1
10 sets
0.05…2.0 %/m obs
5 sets
0.20…2.0 %/m obs
Fire 2
10 sets
2.0…20 %/m obs
5 sets
6.0…20 %/m obs
Alarm delay, can be set individually
0…300 seconds: default value 0 seconds smoke density and
15 seconds flow
