Siemens VESDA LaserFOCUS, Data Sheet

Data Sheet Safety Products AND ENGINEER SPECIFICATIONS Series Detection Devices VLF 250 and VLF 500 High efficient aspirators Up to 2,500 sq ft 250 m2 of coverage Model VLF 250 Up to 5,000 sq ft 500 m2 of coverage Model VLF 500 Laser based absolute smoke detection Ultrasonic air flow sensing and monitoring Programmable Alarm command thresholds AutoLearn Smoke Flow Online offline configurations Clean air barrier optics protection Multiple event logging capability Up to 18,000 events per log Overview LaserFOCUS series of detectors is used to protect spaces There are two 2 different of these very early warning smoke detectors VLF 250 is designed for coverage area of less 2,500 sq ft 250 m2 whereas Model VLF 500 used for up to 5,000 sq ft 500 m2 detector type operates by drawing air into holes continually into a piping network air is filtered and passed into a detection where light scattering technology detects presence of very small amounts of smoke information is communicated on the display as well as through relays or via interface cards Model VLF Series sensing process used provides a direct reading of the sampling rate The sensing system is invulnerable changes in air temperature and pressure changes the sensing process is unaffected by Industry Inc Technologies Division VLF 500 VLF 250 Out of the box installation commissioning Access door for field maintenance Pre engineered pipe network designs UL Listed ULC Listed FM Approved Data lengths VLF 250 lengths VLF 500 80 ft 25m holes maximum 50 ft 15m per branch holes maximum per branch 150 ft 50m holes maximum 90 ft 30m per branch holes maximum per branch option or pipe length per the design tool ASPIRE2 nominal 30VDC mA nominal 295 mA in Alarm mA nominal 490 mA in Alarm 103 0 39 131 10 55 140 20 60 hole VLF 250 VLF 500 VLF 250 VLF 500 Draw VLF 250 Draw VLF 500 of Testing Air 95 RH non condensing Pipe 2.1 cm 2.6 cm Model VLF Series accepts American and Metric pipe sizes VLF 250 VLF 500 to 2,500 sq ft 250 m2 on local codes to 5,000 sq ft 500 m2 on local codes VLF Series is UL listed for use from 32 to 104 0 to 38 LaserFOCUS 1178 VLF 250 VLF 500 Inlet Pipe VLF 250 VLF 500 for Ordering LaserFOCUS detector LaserFOCUS detector LaserFOCUS detector Assembly used with VLF 250 one 1 fan Data continued Outputs VLF 250 VLF 500 Three 3 changeover relays ACTION and FAULT Normally Open N O and Closed N C contacts Contacts rated 2A 30VDC 0.008 0.625 obs ft 0.025 2.00 obs m 0.008 0.625 obs ft 2.00 obs m 1 2 Delays for 2 ALARM GPI offers the following functions 60 seconds Input based GPI Either time based or General DISABLE STANDBY ALARM SET 1 SET 2 External Input Functions SMOKE level indicator Four 4 ALARM indicators SMOKE and FLOW Controls Instant FAULT Finder RESET DISABLE TEST FAULT and DISABLE to 18,000 events time and date stamped separate non volatile logs for Level Flow Level Status and Faults 1.1 2.6 cm cable entries 1 rear entry two 2 top entries 30 AWG Wire Gauge 0.25 cm 2 Automatically set acceptable ALARM for SMOKE and FLOW levels Minimum 15 minutes maximum 15 days 14 days During AutoLearn thresholds are not from pre set values 30 7.2 3.6 cm 18.3 cm 9.2 cm Lbs 2.1 kg Threshold Range VLF 250 VLF 500 VLF 250 VLF 500 Log VLF 250 VLF 500 Access VLF 250 VLF 500 cross cable VLF 250 VLF 500 and Flow VLF 250 VLF 500 Rating W x H x D This marketing data sheet is not intended to be used for system design or installation purposes the most up to date information refer to each product installation instructions Industry Inc Technologies Division Safety Fernwood Road Park NJ 07932 973 593 2600 908 547 6877 www usa Siemens com Fire in U S A Safety North Service Road Oakville Ontario 0H6 Canada 905 465 8000 www Siemens CA 2015 Issue 0