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The VES draws air from all sectors in use. If the smoke level reaches the Adaptive Scan Threshold, the VES quickly scans each sector to identify which sector is carrying smoke. The first sector to reach the Alert level is designated as the First Alarm Sector (FAS) and this sector is signalled to the user. If two or more sectors reach the Alert level then, the sector with the highest smoke concentration is designated as the First Alarm Sector (FAS). Once Fast Scan is completed and the FAS identified, the VES continues to closely monitor all four sectors to track fire growth and maintain full protection of the area.
Flair is the revolutionary detection chamber that forms the core of the VESDA-E VES, providing higher stability and increased longevity. Direct imaging of the sampled particles using a CMOS imager combined with multiple photo-diodes allows better detection and fewer nuisance alarms.
The VES display Home page has a bar graph to indicate the smoke level and adaptive scan threshold. Fault icons are also included to indicate various fault conditions. When the adaptive scan threshold is exceeded the VES display automatically transitions to the Sector status page to indicate the smoke level and alarm level per sector. If alarms are configured as latched then alarm indication per sector will be retained until Reset is applied. The VES display can only return to the Home page under user control.
VESDA-E VES is equipped with a powerful aspirator that enables the use of 560 m (1,837 ft) of total pipe length. Out of box operation is made possible with AutoConfig which allows airflow normalisation and AutoLearn Smoke and Flow to be initiated from within the detector. VES is fully supported by Xtralis VSC and ASPIRE software applications which facilitate ease of pipe network design, system commissioning and maintenance.
VESDA devices communicate on VESDAnet which provides a robust bidirectional communication network allowing continued redundant operation even during single point wiring failures. VESDAnet enables primary reporting, centralized configuration, control, maintenance and monitoring.
VESDA-E detectors offer Ethernet and WiFi connectivity as standard features. The detector can be added to a corporate network, allowing WiFi enabled tablet devices and PC’s installed with Xtralis monitoring and configuration software to connect wirelessly to the detector via the network.
VESDA-E VES is compatible with existing VESDA installations. The detector occupies the same mounting footprint, pipe, conduit and electrical connector positioning as VESDA VLS. VES is also compatible with existing VESDAnet installations allowing monitoring of both VESDA-E and legacy detectors via the latest iVESDA application.
Supply Voltage | 18-30VDC (24V Nominal) | |||||
Power Consumption @ 24 VDC | P-VES-A00-P | P-VES-A10-P | ||||
Aspirator Setting | 1 | 5 | 10 | 1 | 5 | 10 |
Powe r (Quiescent) | 7.9 W | 9.7 W | 14.8 W | 8.6 W | 10.5 W | 15.4 W |
Power (In Alarm) | 8.5 W | 9.9W | 14.5W | 9.4W | 10.8W | 15.2W |
Dimensions (WHD): | 350 mm x 225 mm x 135 mm | |||||
Weight | 4.3kg | 4.4kg | ||||
Operating Conditions | Ambient: 0°C to 39°C Sampled Air: -20°C to 60°C Tested to: -20°C to 55°C UL: -20°C to 50°C | |||||
Humidity: 10% to 95% RH, Non-condensing | ||||||
Area Coverage (max) | 2000m2 | |||||
Min. Airflow Per Pipe | 20 l/m | |||||
Pipe Length (Linear) | 280m | |||||
Pipe Lengths (Branched) | 560m | |||||
Pipe lengths depending on number of pipes in use | 2 Pipe: 100m 3 Pipe: 80m 4 Pipe: 70m | |||||
No. of holes (A/B/C) | 40/80/100*** | |||||
Computer design tool | ASPIRE | |||||
Relays | 12 programmable relays (latching or non-latching states) Contacts rated 2 A @ 30 VDC (Resistive) | |||||
IP Rating | IP40 | |||||
Cable Access | 4 x 26 mm (1.02 in) cable entries | |||||
Cable termination | Screw Terminal blocks 0.2–2.5 sq mm (24–14 AWG) | |||||
Dynamic Range | 0.001% to 32% obs/m (0.0003% to 10% obs/ft) | |||||
Sensitivity Range | 0.005 to 20% obs/m (0.0016% to 6.25% obs/ft) | |||||
Threshold setting range | Alert: 0.005% to 2.0% obs/m (0.0016% to 0.625% obs/ft) Action: 0.005% to 2.0% obs/m (0.0016% to 0.625% obs/ft) Fire1: 0.010% to 2.0% obs/m (0.0031% to 0.625% obs/ft) Fire2: 0.020% to 20.0% obs/m (0.0063% to 6.25% obs/ft) | |||||
Software features | Event log: Up to 20,000 events Smoke level and alarm threshold levels, user actions, alarms and faults with time and date stamp AutoLearn: Detector learns Alarm Thresholds and Flow Fault thresholds by monitoring the environment |
* Product UL listed for use from 0°C to 38°C (32°F to 100°F). ** Sampled Air temperature shall reach Detector Ambient temperature upon entry into Detector. Refer to Xtralis Design Guides & Application Notes for sampled air pre-conditioning. *** Subject to agency confirmation.