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VEF R-ROOT SUMP SENSOR F <br /> INSTrI`aLATION INSTRUCTIONS <br /> 1. Turn OFF AC power to the TLS or ILS system. mounting sleeve is as close to the outer sump wall as <br /> CAUTION: DO NOT INSTALL THE SUMP possible and fully tighten the cord grip. <br /> SENSOR IF THERE IS ANY LIQUID IN THE e. If necessary, carefully bend the mounting bracket so that <br /> PIPING SUMP. FAILURE TO COMPLY CAN the mounting sleeve is in a true vertical position. Using a <br /> RESULT IN EQUIPMENT DAMAGE OR level, check the mounting sleeve to confirm that it is <br /> UNDETECTED POTENTIAL ENVIRONMENTAL vertical. <br /> AND HEALTH HAZARDS. <br /> f. Carefully slide the sump sensor into the mounting sleeve <br /> 2. Make sure no liquid exists in the piping sump. until it rests on the sump base. <br /> NOTE: If this is an existing installation where g. Feed the leader cable through the cord grip on the <br /> mounting hardware is already in place and only the junction box. <br /> sump sensor is being replaced, simply remove the old <br /> switch and proceed to Section II.31 h. Tighten the cord grip nut to ensure a water-tight seal at <br /> the cable entry. <br /> IMPORTANT:BEFORE REMOVING AN EXISTING SUMP <br /> SENSOR BE SURE TO MARK FIELD WIRES IN THE L Using wire nuts, connect the two-wire cable to the field <br /> JUNCTION BOX TO MAINTAIN CORRECT SENSOR wires in the sensor junction box. Be sure to observe color <br /> WIRING POLARITY DURING THE REPLACEMENT codes to maintain proper polarity hookup with the TLS <br /> PROCEDURE. monitor.Refer to Figure 2,"ILS-250,TLS-250i Four-Tank <br /> (Direct-Connect),TLS-3001, ILS-350, TLS-350, and TLS- <br /> 3. To mount the sump sensor using the mounting bracket 35OR System Sensor Wiring Diagram" or Figure 3, 'TIS- <br /> (Figure 1): 250i Eight-Tank (Indirect-Connect) Sensor Wiring <br /> Diagram". <br /> WEATHERPROOF <br /> JUNCTION BOX <br /> (1 PER SENSOR) <br /> LEADER CABLE 112"RIGID <br /> CONDUIT y Blk <br /> CORD GP.IP <br /> TO TO <br /> MOUNTING BRACKET SUMP MONITOR SENSOR <br /> WALL <br /> JUNCTION BOX <br /> + Wht <br /> II <br /> Figure 2. ILS-250, TLS-250i Four-Tank (Direct-Connect), <br /> MOUNTING SLEEVE TLS-3001, IIS-350, TLS-350, and TLS-350R System <br /> SUMP SENSOR SWITCH Sensor Wiring Installation Diagram <br /> Figure 1. Typical Bracket Mounting WEATHERPROOF <br /> !UNCTION BOK <br /> (1 PER PROBE) <br /> IT PROBE I <br /> yr RaI" <br /> a. Attach the mounting bracket to the mounting sleeve using cONOUIT <br /> the two #6-20 .312" long screws furnished. BLACK • SENSOR IA <br /> + BLACK <br /> TO YOIIITOR SENSOR 18 <br /> NOTE: Screw holes drilled in the mounting sleeve are <br /> closer to one end than the other. Check the distance <br /> from the top of the junction box to the bottom of the <br /> sump to determine which way you will mount the <br /> bracket. You must leave some space between the <br /> bottom of the mounting sleeve and the base of the <br /> sump. <br /> ESA <br /> b. Remove one of the plugs from the top of the junction box. MODULE <br /> c. Position the mounting bracket on top of the junction box <br /> aligning the hole in the bracket with the threaded hole in Figure 3. TLS-250i Eight-Tank (Indirect-Connect) System <br /> the box. Sensor Wiring Installation Diagram <br /> d. Install and slightly tighten the cord grip to hold the <br /> mounting bracket in position. Turn the bracket so the <br /> 3 <br />