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Site Preparation l Installation InstructionsF&I TLS-350 UST Monitoring System <br /> A. GENERAL.Before you install the containment sump 3. Choose a location in the containment sump for the <br /> sensor,consider the following important requirements: sensor according to the guidelines in Section 12.A.(See <br /> 1. The sensor should rest in the lowest point of the Figure 64,`Typical Containment Sump Sensor Instal- <br /> lation;' or, Figure 65, "Optional Containment Sump <br /> Instal- <br /> containment sump. Sensor Installation.") <br /> 2. The sensor must be positioned as close to the contain- <br /> ment sump outer wall as possible. 4. Install the mounting hardware according to the con- <br /> tainment sump manufacturer's instructions. <br /> 3. It is recommended that the sensor be mounted in a true <br /> vertical position to ensure proper operation of the NOTE: The mounting hardware must be ordered <br /> sensor. Q0 from the containment sump manufacturer.Specify <br /> B. INSTALLATION. The wires between the monitor that you are installing a Veeder-Root Containment <br /> and each containment sump sensor location must be of a Sump Sensor when ordering. <br /> type designed for use in the presence of gasoline and oil, 5. Slide the sensor into the mounting bracket and secure <br /> and must be between AWG 14 and AWG 18.The conduit <br /> must be properly sealed in accordance with the national in position. <br /> Electrical Code(NFPA 70)and the Automotive and Ma- 6. Feed the cable through the cord grip on the junction <br /> rine Service Station Code (NFPA 30A) since they pass box. <br /> from a Class I, Division I or Division H area into a <br /> nonhazardous area. 7. Tighten the cord grip nut to ensure a water-tight seal <br /> -212 WARNING: TO AVOID ELECTRICAL SHOCK at the cable entry. <br /> WHICH COULD KILL YOU, BE SURE AC 8. Using wire nuts, connect the three-wire cable to the <br /> POWER TO THE MONITOR IS OFF DURING field wires in the sensor junction box.Be sure to observe <br /> INSTALLATION. color codes to maintain proper polarity hookup with the <br /> 1. Turn OFF AC power to the TLS-350 system. Type B Interface Module in the TLS monitor.Refer to <br /> CAUTION: DO NOT INSTALL THE CONTAIN- <br /> Figure 66,"Type B Sensor Wiring Diagram." <br /> MENT SUMP SENSOR IF THERE IS ANY LIQUID <br /> IN THE SUMP. FAILURE TO COMPLY CAN RE- <br /> SULT IN EQUIPMENT DAMAGE OR UNDETEC- WEATHERPROOF <br /> TED POTENTIAL ENVIRONMENTAL AND JUNCTION BOX <br /> 1/2"RIGID (1 PER SENSOR) <br /> HEALTH HAZARDS. CONDUIT <br /> 2. Make sure no liquid exists in the containment sump. B RED <br /> • <br /> TO GROUND BLACK TO <br /> MONITOR SENSOR <br /> A WHITE <br /> SUBMERSIBLE <br /> PUMP <br /> 90°BRACKET <br /> Figure 66. Type B Sensor Wiring Diagram. <br /> CONTAINMENT <br /> SUMP SENSOR <br /> CONTAINMENT 19. Seal wire nuts with epoxy sealant using one bag for two <br /> SUMP wire nut connections and another bag for the third wire <br /> nut connection.(Refer to Figure 58,"Epoxy Sealant for <br /> Three-Wire Connections.") <br /> PRODUCT UNE <br /> CAUTION: IF MORE THAN TWO WIRE NUT <br /> CONNECTIONS SHARE AN EPDXY SEALANT <br /> Figure 64.Typical Containment Sump Sensor Installation. BAG,THE CONNECTIONS WILL NOT BE PROP- <br /> ERLY SEALED, IMPROPER SEALING OF THE <br /> CONNECTIONS WILLRESULT IN INACCURATE <br /> SUBMERSIBLE CONTAINMENT SENSOR READINGS AND POSSIBLY FALSE <br /> PUMP COWAI MEW <br /> ALARM CONDITIONS. <br /> I WARNING: EPDXY SEALANT MAY BE IRRI- <br /> TATING TO EYES AND SKIN. MAY CUASE <br /> I BRACKET SKIN SENSITIZATION IN SUSCEPTIBLE IN- <br /> S�AINMENi I� DIVIDUALS.MAY BE ABSORBED THROUGH <br /> THE SKIN.EPDXY SEALANT CONTAINS EP- <br /> OXY RESIN AND VINYL CYCLOHEXENE DI- <br /> UBOLT PRODVCT UNE <br /> OXIDE.VINYL CYCLO HEXENE DIOXIDE HAS <br /> Figure 65. Optional Containment Sump Sensor Installation. CAUSED SKIN CANCER IN ANIMAL TESTS. <br /> 39 <br />