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VEEDER-ROOT • <br /> SUMP SENSOR <br /> INSTALLATION INSTRUCTIONS <br /> .B. INSTALLATION. The wires between the monitor or <br /> ESA module and each sump sensor location must be of a <br /> type designed for use in the presence of gasoline and oil,and <br /> must be between AWG 14 and AWG 18. The conduit must <br /> be properly sealed in accordance with the National Electrical LEADER CA81-L <br /> Code (NFPA 70) and the Automotive and Marine Service <br /> Station Code (NFPA 30A) sines they pass from a Class 1, CORD GRIP <br /> Division I or Division II area into a nonhazardous area. <br /> MOUNTING BRACKET SUMP <br /> WALL <br /> WARNING: TO AVOID ELECTRICAL SHOCK JUNCTION sox <br /> W111CH COULD KILL YOU, BE SURE AC <br /> POWER TO THE MONITOR IS OFF DURING <br /> INSTALLATION. <br /> I � <br /> 1. Turn OFF AC power to the TLS or ILS system. MOUNTING SLEEVE <br /> SUMP SENSOR SWITCH <br /> CAUTION: DO NOT INSTALL THE SUMP <br /> SENSOR IF THERE IS ANY LIQUID IN THE <br /> PIPING SUMP. FAILURE TO COMPLY CAN <br /> RESULT IN EQUIPMENT DAMAGE OR Figure 1. Typical Bracket Mounting <br /> UNDETECTED POTENTIAL <br /> ENVIRONMENTAL AND HEALTH HAZARDS. <br /> 2. Make sure no liquid exists in the piping sump. c. Position the mounting bracket on top of the junction <br /> box aligning the hole in the bracket with the threaded <br /> NOTE: If this is an existing installation where hole in the box. <br /> III mounting hardware is already in place and only the <br /> • Z sump sensor is being replaced,simply remove the old d. Install and slightly tighten the cord grip to hold the <br /> switch and proceed to Section II.31 mounting bracket in position. Turn the bracket so the <br /> mounting sleeve is as close to the outer sump wall as <br /> IMPORTANT: BEFORE REMOVING AN EXISTING possible and fully tighten the cord grip. <br /> SUMP SENSOR BE SURE TO MARK FIELD WIRES IN <br /> THE JUNCTION BOX TO MAINTAIN CORRECT e, If necessary, carefully bend the mounting bracket so <br /> SENSOR WIRING POLARITY DURING THE that the mounting sleeve is in a true vertical position. <br /> REPLACEMENT PROCEDURE. Using a level,check the mounting sleeve to confirm that <br /> it is vertical. <br /> 3. To mount the sump sensor using the mounting bracket <br /> (Figure 1.): f. Carefully slide the sump sensor into the mounting <br /> sleeve until it rests on the sump base. <br /> a. Attach the mounting bracket to the mounting sleeve <br /> using the two #6-20 .312" long screws furnished. g. Feed the leader cable through the cord grip on the <br /> junction box. <br /> NOTE: Screw holes drilled in the mounting sleeve <br /> are closer to one end than the other. Check the h, Tighten the cord grip nut to ensure a water-tight seal at <br /> distance from the top of the junction box to the the cable entry. <br /> bottom of the sump to determine which way you will <br /> mount the bracket. You must leave some space i. Using wire nuts,connect the two-wire cable to the field <br /> between the bottom of the mounting sleeve and the wires in the sensor junction box. Be sure to observe <br /> base of the sump. color codes to maintain proper polarity hookup with the <br /> TLS monitor.Refer to Figure 2,"TLS-250 and TLS-250i <br /> b. Remove one of the plugs from the top of the junction Four-Tank (Direct-Connect), ILS-350 and TLS-350 <br /> box. System Sensor Wiring Diagram" or Figure 3, "TLS-250i <br /> Eight-Tank(Indirect-Connect)Sensor Wiring Diagram". <br /> • <br /> 3 <br />