Vesda VLI Early Warning Aspiration Smoke Detection System (ASD) – VLI-880


Vesda VLI Early Warning Aspiration Smoke Detection System (ASD) – VLI-880

The VESDA VLI by Xtralis is an industry first early warning aspirating smoke detection (ASD) system, designed to protect heavy industrial applications with dirty or harsh environments of up to 2000m2 (20,000 sq. ft.).

Until now ASD has not been recommended in challenging dirty environments, however the new Vesda VLI removes any previous boundaries enabling the facility of very early smoke detection in almost any conditions.

The VLI detector combines a fail-safe Intelligent Filter (patent pending) with an advanced clean-air barrier for optics protection allowing the use of absolute detection and a long detection chamber life without the need for recalibration.

The Intelligent Filter:

effectively reduces the level of pollution in the air sample before it enters the detection chamber, which dramatically extends the operational life of the detector in harsh and polluted environments.
is fully monitored, therefore providing consistent sensitivity over the entire operational life of the detector.
The VLI detector features a robust IP54-rated enclosure which provides protection against dust ingress and water splash. In the majority of applications this eliminates the need to use expensive external IP enclosures, thus simplifying and reducing the cost of installation. The VLI detector is equipped with a powerful aspirator that provides a total pipe length of 360m (1200 ft). It is fully supported by the Xtralis ASPIRE2, VSC and VSM4 software applications which facilitate ease of pipe network design, system commissioning and maintenance together with compatibility with existing VESDA installations.

The AutoLearn™ commissioning assistant reduces setup time and ensures optimum alarm and flow thresholds in a range of environments. The VLI detector features a standardised industry BACnet over Ethernet communication protocol for remote monitoring and programming and connection to building management systems (BMS) and automation devices. This translates to direct cost savings on integration and monitoring. The VLI detector is inherently less prone to nuisance alarms due to the intelligent filter, lint trap, sub-sampling probe and secondary filter. Coupled with its modular design, VLI offers a lower total cost of ownership over the life of the product.

Key Features:

Suitable for Class 1 Division 2 applications – Groups A,B,C & D
Up to 2000m2 (20,000 sq. ft.) coverage
Up to 4 inlet pipes
Total pipe length up to 360m (1200 ft)
Five (5) high intensity status LEDs for greater visibility
Robust absolute smoke detection
Intelligent Filter (patent pending)
Lint Trap to capture fibrous particulates
Sub-sampling Probe (inertial separator)
Secondary Filter
Clean air barrier for optics protection
AutoLearn™ Smoke and Flow
Clean Air Zero™
Air-path monitoring
Five (5) relays (Fire, Fault and 3 configurable)
Relays configurable as latching or nonlatching
Expandable GPI and relays
Ultrasonic flow sensing
Xtralis VSC, Xtralis VSM4 and ASPIRE2 software support
IP54 Enclosure
Easy mounting through steel support bracket
Modular field replaceable parts for ease of servicing
BACnet over Ethernet
Local USB configuration port
Easy cable termination access
Imperial and metric pipe ports
Rubberized finish to external housing ”

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