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Duct Smoke Detector
Page 1 of 3
SD-521
Issue: 5.8
Date Of Issue: 02/06/2010
© 2010 Sontay Limited. All rights reserved.
Features
Specification Product
Codes
•
Damped or un-damped output
•
Manual or auto reset
•
Analogue output for service diagnostics
Supply
24Vac 50/60Hz or 24Vdc(-10 +15%)
Power consumption
62mA
Outputs:
Relay
SPST 1A @ 24Vdc, 120Vac
Analogue 2-10Vdc
Analogue status levels:
<2Vdc
Sensor
fault
3-7Vdc
Normal
operation
7-9Vdc
Optics
require
cleaning
>9.5Vdc Smoke
alarm
Minimum duct size
100 x 320mm
Maximum duct size
450 x 450mm
LED indication
ON in alarm
Reset
Manual or auto reset, selectable
Sensitivity
3 to 25% obscuration, adjustable
Signal damping
On/Off selectable
Housing:
Dimensions
130 x 68 x 58mm
Material
Glass-filled
Polycarbonate to
UL94V-0
Probe:
Dimensions
300 x 25.5mm dia.
Material
ABS
plastic
Protection
IP65 (housing only)
Ambient range:
Temperature +10 to 40°C
RH
0 to 95% non-condensing
Country of origin
UK
SD-521
Duct smoke detector, 300mm probe
