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C <br />11 <br />Table of Contents <br />III NUNN <br />ISD Vapor Flow Meter Installation <br />Contractor Certification Requirements..............................................................................1 <br />RelatedManuals...............................................................................................................1 <br />SafetyPrecautions............................................................................................................1 <br />BeforeYou Begin..............................................................................................................2 <br />Veeder-Root Parts............................................................................................................3 <br />ToolsRequired.................................................................................................................3 <br />Installation Steps - Vacuum Assist System Above Shear Valve.......................................4 <br />Installation Steps - Vacuum Assist System Below Shear Valve...:...................................6 <br />Seal and Connect Field Wiring.........................................................................................9 <br />Figure 1. Example Vapor Flow Meter Installation Above Shear Valve ..................5 <br />Figure 2. Field wiring Vapor Flow Meter - Observe Polarity..................................5 <br />Figure 3. ' Example flow meter installations with approximate clearances ..............7 <br />Figure 4. Example Vapor Flow Meter Installation Below Shear Valve ...................8 <br />Figure 5. Epoxy sealing field wiring.......................................................................9 <br />Figure 6. Connecting Vapor Flow Meter to Smart Sensor Interface Module .......10 <br />