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How to replace a VESDA LaserCOMPACT (VLC) Filter Cartridge

Now discontinued the VESDA LaserCOMPACT is an aspirating smoke detector ("ASD") that includes an integrated two stage replaceable filter cartridge (VSP-005). This article describes the process to replace the filter cartridge.

CEO, Firewize
01 Dec, 2020
VESDA LaserCOMPACT VLC - Photograph

Now discontinued, the VESDA VLP/VLC detectors paved the way for aspirating smoke detection to evolve from a niche technology to a mainstay of the fire prevention industry.

Features include;

  • Absolute smoke detection (coverage of 800 m2 or 8,000 sq. ft)
  • Wide sensitivity range (0.005 - 20% obscuration/m and 0.0015 - 6% obscuration/ft)
  • Single pipe inlet
  • Five (5) status LEDs
  • Clean air barrier optics protection
  • Three (3) alarm levels
  • Three (3) programmable relays
  • Air flow monitoring

Step 1

VESDA LaserCOMPACT VLC - External Line Diagram

The service interval of an air filter depends upon the environment. You can use the LCD Programmer or VESDA PC Software guides to change the service interval for filters. The system will generate a minor fault when the filter has reached 80% and an urgent fault when it reaches 120% of its capacity. We recommend that the installation date and replacement date are written on the air filter cartridge label as a physical reminder of when the next service is expected.

Important Note:
The detector must have the power turned on when the air filter cartridge is being replaced.

The procedure and diagrams outlined below provide the steps to be followed when replacing the air filter cartridge in the VESDA LaserCOMPACT (VLC) detector:

Step 2 - Remove the Filter Cartridge

VESDA LaserCOMPACT VLC - Filter Removal

The procedure and diagrams outlined below provide the steps to be followed when replacing the air filter cartridge in the VESDA LaserCOMPACT (VLC) detector:

  1. Open the front cover;
  2. Locate the air filter cartridge (A), inside the detector compartment, as indicated;
  3. Undo the recessed phillips head filter screw (B);
  4. Lift out the air filter cartridge.

Step 3 - Insert the Filter Cartridge

VESDA LaserCOMPACT VLC - Filter Removal
  1. Insert a new air filter cartridge (A) in Figure 2 above.
  2. Tighten the filter screw (B) in Figure 2 above.
  3. Reset the filter counter by connecting a LCD programmer or a PC with VSC software to the programming socket.
  4. Using a PC only (applicable to RO version) or a PC with a PC-Link HLI (Applicable to VN version only), reset the filter by entering your user level and PIN number to Log ON to the detector then Initiate the Reset Filter Settings command located under the device menu.
  5. Close up the detector.

Tools & Equipment Required

A range of tools and equipment are required to undertake this activity.  These include;

  1. Long (thin shaft) small flat blade screwdriver;
  2. A windows compatible computer;
  3. The Xtralis VSC Configuration & Commissioning Software (VSW-100) installed on the computer;
  4. A VESDA High Level Interface (HLI);
  5. A replacement VSP-005 Filter, compatible with VESDA Models (VLP, VLS, VLC & VLF).
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