Duct Smoke Detectors

● IR-detection (obscuration)
● Outputs
Analogue2-10 Vdc
Relay SPDT 1A@24Vdc, 120 Vac
● Analogue output status levels
< 2 VdcSensor fault
< 3-7 VdcNormal operation
< 7-9 VdcOptics require cleaning
> 9,5 Vdc Smoke alarm
● The analogue output signal 2-10 Vdc can transmit
smoke or service alarm (dirt level) to BEMS system
● Relay output for closing fan/damper motor
● Manual or auto reset
● Power supply 24 Vac/dc
Standard probe lengths 300 mm and 600 mm
● LED bargraph display for indication of dirt level
and service level (only VSD 302 and VSD 602)