Tel: +44 (0)1732 861200
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E
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mail: [email protected]
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Web: www.sontay.com
© 2017 Sontay Limited. All rights reserved
SD
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D
Duct Smoke Detector
Issue Number 7.1
30/09/2021
Four Elms Road
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Edenbridge
Kent
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TN8 6AB
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UK
1 of 3
Features and Benefits
Product Codes
Specification
SD
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S
Duct smoke detector
Technical Overview
The SD
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D duct smoke detector operates on the obscuration principle, using infrared technology and is designed specifically to cope with the
difficult measurement conditions in air ducts, such as high velocity and levels of dirt accumulation. The relay output is either auto or manual
reset relay output on detection of smoke.
Supply
24Vac/dc, ±20%
Power consumption
50mA max.
Relay outputs (smoke & fault)
SPST 2A @ 48V
Minimum duct size
100 x 320mm
Maximum duct size
450 x 450mm*
LED indication
ON in alarm
Alarm relay (selectable)
Manual or auto reset
Probe:
Dimensions
300 x 20mm dia.
Material
Plastic
Housing:
Material
PC/GF (Halogen free, flame retard
ant & UV stabilized)
Dimensions
125 x 105 x 85mm
Environmental:
Housing:
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30 to +60°C
20 to 80% non
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condensing
Media:
10 to 40°C
Protection
IP65
Country of origin
Denmark
Conformity
EMC, CE & UKCA Marked
* Please see recommendations on page 2.
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Manual or auto reset
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Fault relay output
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Self
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test feature
WEEE Directive:
At the end of the products useful life please
dispose as
per the local regulations.
Do not dispose of with normal household waste.
Do not burn.
