VESDA-E VES Aspirating Smoke Detector


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    Vesda-E VES Aspirating Smoke Detector with LEDs

    The VESDA-E VES is similar to the flagship VESDA-E VEP aspirating smoke detector but also includes a valve mechanism in the inlet manifold and software to control the airflow from the four Sectors (pipes). This configuration enables a single zone to be divided into four separate sectors, for example, distinguishing between separate aisles within a data room. The VES enables the user to locate the source of smoke by identifying the first sector to reach the Alert level. The detector then continues to sample from all sectors to monitor fire growth and will report separate alarm levels for each sector. The VES provides four individually configurable alarm levels (Alert, Action, Fire 1 and Fire 2) for each sector allowing optimum protection in a wide range of applications. Built on the Flair detection technology and years of application experience, VES detectors achieve consistent performance over their lifetime via absolute calibration. In addition, the VES delivers a range of revolutionary features that provide user value.

    How it Works

    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 Detection Technology

    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 (VES-A10-P)

    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.

    Installation, Commissioning and Operation

    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.


    • Sector addressability for up to four sectors or zones
    • Adaptive scan threshold
    • Flair detection technology delivers reliable very early warning in a wide range of environments with minimal nuisance alarms.
    • Multi stage filtration and optical protection with clean air barriers ensures lifetime detection performance.
    • Four configurable alarm levels per sector and a wide sensitivity range deliver optimum protection for the widest range of applications
    • Intuitive LCD display provides instant status information for immediate response
    • Flow fault thresholds per port accommodate varying airflow conditions
    • Smart on-board filter retains dust count and remaining filter life for predictable maintenance
    • Extensive event log (20,000 events) for event analysis and system diagnostics
    • Auto Learn smoke and flow for reliable and rapid commissioning
    • Backward compatible with VLS and VESDAnet
    • Ethernet for connectivity with Xtralis software for configuration, secondary monitoring and maintenance
    • Secondary monitoring and maintenance via WiFi
    • USB for PC configuration, and firmware upgrade using a memory stick
    • Two programmable GPIs (1 monitored) for flexible remote control
    • Field replaceable sub-assemblies enable faster service and maximum uptime

    Technical Specifications

    • Supply Voltage : 18-30 VDC (24 V Nominal)
    • Power Consumption
      • VES-A00-P : 
        • Aspirator Setting : 1
        • Power (Quiescent) : 7.0 W 
        • Power (In Alarm) : 7.8 W
      • VES-A00-P : 
        • Aspirator Setting : 5
        • Power (Quiescent) : 8.8 W
        • Power (In Alarm) : 9.6 W
      • VES-A00-P : 
        • Aspirator Setting : 10
        • Power (Quiescent) : 14.7 W
        • Power (In Alarm) : 15.5 W
      • VES-A10-P : 
        • Aspirator Setting : 1
        • Power (Quiescent) : 8.2 W
        • Power (In Alarm) : 10.4 W
      • VES-A10-P : 
        • Aspirator Setting : 5
        • Power (Quiescent) : 10.0 W
        • Power (In Alarm) : 11.6 W
      • VES-A10-P : 
        • Aspirator Setting : 10
        • Power (Quiescent) : 15.8 W
        • Power (In Alarm) : 16.6 W
    • Dimensions (WxHxD) : 350x225x135mm
    • Weight
      • VES-A00-P : 4.3kg
      • VES-A10-P : 4.4kg
    • Operating Conditions
      • Ambient : 0°C to 39°C (32°F to 102°F) *
      • Tested to (EN54-20) : -10°C to 55°C (14°F to 131°F)
      • Sampled Air : -20°C to 60°C (-4°F to 140°F) **
      • Humidity : 5% to 95% RH, non-condensing
    • Area Coverage : 2,000 m2
    • Minimum Airflow Per Pipe : 20 l/m
    • Pipe Length (Linear) : 280m
    • Pipe Length (Branched) : 560m
    • Pipe Lengths Depending On Number Of Pipes In Use :
      • 2 Pipe : 100m
      • 3 Pipe : 80m
      • 4 Pipe : 70m
    • Number Of Holes :
      • A : 40
      • B : 80
      • C : 100
    • Computer Design Tool : ASPIRE
    • Pipe
      • Inlet : External diameter 25 mm or 1.05 in (3/4 in IPS)
      • Exhaust : External diameter 25 mm or 1.05 in (3/4 in IPS) via adaptor
    • 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.


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