VESDA VLI Industrial Aspirating Smoke Detector
Summary
The VESDA VLI represents an industry first in early warning Aspirating Smoke Detection (ASD) systems, specifically engineered to protect industrial applications and harsh environments covering up to 2,000 m² (21,520 sq. ft.). This groundbreaking detector addresses the unique challenges of industrial environments where traditional detection systems may struggle to maintain reliable performance over time.
Built on Long Life, Intelligent, Fail-Safe Technology, the VLI detector combines a fail-safe Intelligent Filter with an advanced clean-air barrier for optics protection. This innovative design allows the use of absolute detection while ensuring a long detection chamber life without the need for re-calibration, even in the most challenging environmental conditions. The Intelligent Filter dramatically reduces pollution levels in air samples before they enter the detection chamber, extending operational life significantly in harsh and polluted environments.
The VLI features a robust IP66-rated enclosure that provides complete protection against dust ingress and strong water jets from all directions. In the majority of industrial applications, particularly in very harsh environments, this eliminates the need for expensive external IP enclosures, thus simplifying installation and reducing costs. Available in two models – the VLI-880 standard version and VLI-885 with VESDAnet capability – the detector is equipped with a powerful aspirator providing total pipe length of 360m (1,181 ft.) and is inherently less prone to nuisance alarms due to its intelligent filtering system, lint trap, sub-sampling probe and secondary filter configuration.
Features
- Suitable for Class 1 Division 2 applications – Groups A, B, C & D
- Up to 2,000 m² (21,520 sq. ft.) coverage
- Up to 4 inlet pipes with total pipe length up to 360 m (1,181 ft)
- Five high intensity status LEDs for greater visibility
- Robust absolute smoke detection with long chamber life
- Intelligent Filter dramatically extends operational life in harsh environments
- Lint Trap to capture fibrous particulates
- Sub-sampling Probe (inertial separator) for larger particle removal
- Secondary Filter for enhanced contamination protection
- Clean air barrier for optics protection
- Referencing capability for environmental compensation
- AutoLearn™ Smoke and Flow for optimized commissioning
- Clean Air Zero™ feature for consistent absolute detection
- Air-path monitoring with ultrasonic flow sensing
- Five relays (Fire, Fault and 3 configurable) with latching or non-latching options
- Expandable GPI and relay options
- Robust IP66-rated enclosure with rubberized finish
- Easy mounting with steel support bracket
- Modular field replaceable parts for ease of servicing
- Local USB configuration port for direct programming
- Easy cable termination access with multiple cable entries
- Imperial and metric pipe ports for flexible installation
- Xtralis VSC, VSM4 and ASPIRE software support
- SIL 2 rated as per IEC 61508 for safety integrity
- Inherently less prone to nuisance alarms
- Lower total cost of ownership through modular design
- Consistent sensitivity monitoring over entire operational life
- Extensive event logging up to 18,000 events with time and date stamps
- Wide sensitivity range 0.05% to 20.0% obs/m
- Comprehensive threshold setting capabilities across four alarm levels
Video
Transcript
When it comes to reliable smoke detection, the world’s toughest and dirtiest work environments demand a system that’s as tough as the environment itself and smart enough to give you the earliest possible warning of a real fire without the disruptions and costs of nuisance alarms. You need a solution that you can set and forget, knowing that it will be there when you need it most and that you are protected by one of the most trusted technologies in the fire industry. Introducing the Industrial VESDA VLI from Xtralis, a product built on 25 years of experience with industrial applications. Tried and tested technology combined with new and innovative fail-safe intelligent filtration, a ruggedized enclosure, and many other features designed specifically for harsh environments enable the VLI to deliver best in class performance year over year in the world’s most challenging conditions. The VLI’s robust construction and unique features give you stable, reliable performance, reduced maintenance requirements, and increased detector life. You get the world’s most advanced fire detection technology in the industry’s toughest package, ready to be deployed in areas you may not have thought possible. Contact us today to find out how the Industrial VESDA VLI can offer you the ultimate fire detection solution for harsh and dirty environments.
FAQ
What makes the VESDA VLI suitable for harsh industrial environments?
The VLI features a robust IP66-rated enclosure providing complete protection against dust ingress and strong water jets from all directions, eliminating the need for expensive external IP enclosures. The Intelligent Filter, lint trap, sub-sampling probe, and secondary filter work together to dramatically extend operational life in harsh and polluted environments while maintaining consistent sensitivity without re-calibration.
How does the Intelligent Filter technology work?
The Intelligent Filter incorporates an innovative flow splitting arrangement where a smaller unfiltered portion passes through ultrasonic flow sensors while a larger portion goes through HEPA filtration. Filter loading is constantly monitored by comparing readings from four sets of ultrasonic flow sensors, enabling the detector to “intelligently” maintain sensitivity by measuring the split of airflow ratio as the filter load changes, ensuring consistent operation over time.
What is Clean Air Zero and how does it benefit detection performance?
Clean Air Zero is a user-initiated feature that complements consistent absolute detection over time and safeguards against nuisance alarms. It works by introducing clean air into the detection chamber and taking a reference reading of the chamber background. This reading is then offset against the actual environmental background to maintain consistent absolute smoke detection performance.
What industrial applications benefit most from the VLI’s capabilities?
The VLI is ideal for harsh industrial environments including manufacturing facilities, power generation plants, mining operations, oil and gas facilities, chemical processing plants, and any application where dust, contamination, or challenging environmental conditions would compromise traditional detection systems. Its Class 1 Division 2 approval makes it suitable for hazardous locations with Groups A, B, C & D classifications.
What are the coverage and pipe network capabilities of the VLI?
The VLI provides coverage up to 2,000 m² (21,520 sq. ft.) with up to 4 inlet pipes and total pipe length capability of 360m (1,181 ft.). Maximum single pipe length is 120m (394 ft.) with minimum airflow requirements of 40 l/m total and 20 l/m per pipe. The system supports 24-60 sampling holes depending on the classification (Class A, B, or C) as determined by ASPIRE design software.
What maintenance advantages does the VLI offer?
The VLI offers significant maintenance advantages through its modular design with field replaceable parts, intelligent filter monitoring that tracks filter life and dust count, and inherently longer operational life due to its multi-stage filtration system. The Clean Air Zero feature allows for field calibration verification, while the robust construction and SIL 2 safety rating ensure reliable long-term operation with reduced maintenance requirements and lower total cost of ownership.
Specifications
- Supply Voltage : 18-30 VDC
- Power Consumption : 10W Nominal, 10.5W in Alarm
- Current Consumption : 415mA Nominal, 440mA in Alarm
- Fuse Rating : 1.6 A
- Dimensions (W H D) : 426.5 mm x 316.5 mm x 180 mm (16.8 in x 12.5 in x 7.1 in)
- Weight : 6.035 kg (13.3 lbs)
- Operating Temperature Ambient : 0°C to 38°C (32°F to 100°F)
- Operating Temperature Sampled Air : -20°C to 60°C (-4°F to 140°F)
- Humidity : 10% to 95% RH, non-condensing
- Maximum Area Of Coverage : 2,000 m² (21,520 sq. ft)
- Minimum Total Airflow : 40 l/m
- Minimum Airflow Per Pipe : 20 l/m
- Total Pipe Length : 360 m (1,181 ft)
- Maximum Single Pipe Length : 120 m (394 ft)
- Number Of Inlet Pipes : Up to 4
- Pipe Internal Diameter : 15 mm – 21 mm (9/16″–7/8″)
- Pipe External Diameter : 25 mm (1″)
- Relays : 5 Relays rated 2A @ 30 VDC – Fire (NO), Fault (NC), 3 Configurable (NO)
- IP Rating : IP66
- Cable Access : 4 x 25 mm (1″) cable entries
- Cable Termination : Screw Terminal blocks 0.2–2.5 sq mm (30–12 AWG)
- Sensitivity Range : 0.05% to 20.0% obs/m (0.015% to 6.575% obs/ft)
- Alert Threshold Range : 0.05% to 1.990% obs/m (0.015% to 0.6108% obs/ft)
- Action Threshold Range : 0.1% to 1.995% obs/m (0.031% to 0.6123% obs/ft)
- Fire 1 Threshold Range : 0.15% to 2.0% obs/m (0.046% to 0.614% obs/ft)
- Fire 2 Threshold Range : 0.155% to 20.0% obs/m (0.05% to 6.575% obs/ft)
- Event Log Capacity : Up to 18,000 events stored in FIFO format with time and date stamp
- AutoLearn Duration : Min 15 minutes, Max 15 days (Recommended minimum 14 days)
- Computer Design Tool : ASPIRE
- Configurable General Input : External Reset, Mains OK, Standby, Isolate, Use Night-time Threshold, Reset + Isolate, Inverted Reset (5-30 VDC)
- Safety Integrity Level : SIL 2 as per IEC 61508
- Enclosure Material : IP66-rated with rubberized finish
- Mounting : Steel support bracket
Downloads
- Datasheet (Adobe PDF)
Additional information
| Weight | 6.1 kg |
|---|---|
| VesdaNet | No, Yes |
