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Pressure Sensor Installation Vapor Vent Stack Installation Step <br /> 27. Terminate field wiring into TLS Console and connect to Smart Sensor Module (TLS console - Figure 9). Note: <br /> observe polarity! The cable length between the console and sensor must not exceed the distance stated in <br /> the TLS-3XX Site Prep manual (P/N 576013-879). <br /> Note: Intrinsically safe devices must be installed in accordance with Article 504 of the National Electrical <br /> Code, ANSI/N FPA 70, for installation in the United States, or Section 18 of the Canadian Electrical Code for <br /> installations in Canada. <br /> This intrinsically safe Pressure Sensor (P/N 331946-001), has only been evaluated for connection to a UL <br /> listed TLS-3XX Liquid Level Gauge/ Leak Detector. <br /> Conductors of different intrinsically safe circuits run in the same cable/conduit must have at least 0.01 inch <br /> (0.25 mm) of insulation. <br /> 28. After the Pressure Sensor is installed, pressurize the tank ullage space and vapor piping to at least 2 inches <br /> WC and test for leaks using leak detection solution. <br /> 29. Close the enclosure door and secure by threading the tamper-resistant screws into the enclosure body using <br /> a Torx bit for tamper-resistant screws. <br /> 30. Affix the eVRgreen label (item 30 in Table 2) to the enclosure door as desired. <br /> 10-17 <br /> CARB Approved IOM 10-Veeder Root Pressure Sensor-Executive Order VR-202 <br />