VESDA by Xtralis VESDA VLI Product Guidewww.xtralis.com 52 Product Information2.1 Detector ComponentsThe VLI detector contains a number of field-replaceable components.ABCDEFGLegendA Front cover E Chamber assembly with tertiaryclean air filterB Intelligent Filter F AspiratorC Secondary Foam Filter G BaseD Electrostatic Discharge (ESD) CoverFigure 2-1: Detector componentsRefer to Chapter 7 for further information regarding maintenance scheduling and availability of spare parts.