Siemens Sinteso FD20 - Page 117

Special detectors
Aspirating smoke detector FDA221, FDA
241
10
008164_y_en_-- 117 | 152
FDA241 FDA221
Indication ● 4x alarm status indicators (FDA241)
● 3x alarm status indicators (FDA221)
● Faults
● Blowing out (FDA241)
● Dust (FDA241)
● Smoke density and flow indicator
Service area ● LED 'Status OK'
● USB
● Settings for reset functions
● Settings for smoke density and airflow
Event log
Non-volatile event memory with time and date stamp for: smoke density,
airflow, detector status, and faults
Normalization of smoke value and
airflow
● Setting of threshold values for smoke alarms and faults
● User setting for normalization of smoke density and airflow
● Preset values are retained during the normalization period
Warranty period 2 years
Approvals
● VdS
FDA241
G213050
FDA221
G213050
1
A-weighted sound power level in [dB] as per DIN EN ISO 3744-2009,
measured with a pipe piece at the air inlet and at the air outlet