Specifications; Technical Data For Fda241, Fda221 - Siemens FDA241 Technical Manual

9 Specifications

9.1
External power supply
requirement
Sound power level L [dBA]
WA
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
At suction speed
Connections and interfaces
Building Technologies
Fire Safety

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

Standards:
Operating voltage (output):
Operating current (output):
Power supplies compliant with EN 54-4 have an output voltage of
1)
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.
High
Medium
Low
Relay alarm output can be selected with or with out
self-retention, contact:
Number of relay alarm outputs for
FDA241

FDA221

Number of fault relay outputs
GPI (relay output for separate cleaning unit)
Purge (relay output for high dust concentrations)
Dust
Terminal version
Cables
Cable cross section
Interface
Specifications
Technical data for FDA241, FDA221
Tested to EN 54-4
DC 19...30 V
150 mA nominal

250 mA for detector

during alarm
,
37 (FDA241)

33 (FDA221)

33 (FDA241)

30 (FDA221)

30 (FDA241)

26 (FDA221)

Max. DC 30 V, max. 2 A
4
3
1
Available
Present on the FDA241
Present on the FDA241
Screw terminals
Fire class V1
0.2...2.5 mm²
(AWG 12...30)
4...20 mA
A6V10334410_h_en_--
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1)
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2015-09-29