Specifications
9
Technical data for FDA241, FDA221
105
Building Technologies
A6V10334410_h_en_--
Fire Safety
2015-09-29
9
Specifications
9.1
Technical data for FDA241, FDA221
You will find information on approvals, CE marking, and the relevant EU directives
for this device (these devices) in the following document(s); see 'Applicable
documents' chapter:
Document A6V10331032
External power supply
requirement
Standards:
Tested to EN 54-4
1)
Operating voltage (output):
DC 19…30 V
Operating current (output):
150 mA nominal
250 mA for detector
during alarm
1)
Power supplies compliant with EN 54-4 have an output voltage of
20.0…30.0 V.
The power supply is switched off to prevent total discharge of the batteries.
The aspirating smoke detectors FDA241 and FDA221 issue a warning when a
voltage of 21 V is reached before switching off the power supply:
The FAULT relay is activated.
During operation on an FDnet/C-NET detector line, a message appears
on the control panel.
,
Sound power level L
WA
[dBA]
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
High
37 (FDA241)
33 (FDA221)
At suction speed
Medium
33 (FDA241)
30 (FDA221)
Low
30 (FDA241)
26 (FDA221)
Connections and interfaces
Relay alarm output can be selected with or with out
self-retention, contact:
Max. DC 30 V, max. 2 A
Number of relay alarm outputs for
FDA241
4
FDA221
3
Number of fault relay outputs
1
GPI (relay output for separate cleaning unit)
Available
Purge (relay output for high dust concentrations)
Present on the FDA241
Dust
Present on the FDA241
Terminal version
Screw terminals
Cables
Fire class V1
Cable cross section
0.2…2.5 mm²
(AWG 12…30)
Interface
4…20 mA