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Site Preparatic R.nd Installation Manual V TLS-250i 'llll�lt Level Sensing System li IL SECTION 5. INTERSTITIAL LEAK CAUTION:DO NOT INSTALL THE SENSOR IF THERE IS ANY SENSOR INSTALLATION LIQUID IN TIIF. PIPING SUMP.FAILURE TO COMPLY CAN RESULT IN EQUIPMENT DAMAGE OR UNDE- A. RISER PIPE CAP PREPARATION.The riser pipe cap TE(-rED POTENTIAL ENVIRONMENTAL AND HEALTH must have a 1/2'-14N1'T tapped hole for passage of sensor HAZARDS. wires. Kits with pre-drilled caps are available from Veeder- 2. Make sure no liquid exists in the piping sump. Root.Order Kit No.312020-928,one for each sensor. 3. Position the piping swop sensor ata 46°angle from the Note: Kit No.312020-928 is for a standard 'L-inch riser. base of the sump to the sensor junction box (see Figure 12).Only the end of the sensurshould touch the bottom of B. INSTALLATION. Install each sensor as follows: the sump. WARNING: TO AVOID ELECTRICAL SHOCK WHICH COULD KILL YOU, BE SURE AC POWER TO THE MONITOR IS OFF DURING INSTALLATION. 1. Turn OFF power to the TIS-2501 system. CAUTION:DO NOT INSTALLTHE SENSOR IFANY LIQUID IS PRESENT IN THE ANNULAR SPACE. FAILURE TO COMPLY CAN RESULT IN EQUIPMENT DAMAGE OR UNDETECTED POTENTIAL ENVIRONMENTAL AND t;ripbtnw,',Idj HEALTH HAZARDS. ?-•% ieeL*S4�-"' .. .- LEADER CABLE LBylp9iBl! 2. Make sure no liquid is present in the annular space. ICCORD ORIR BEAL .p rmXE 3. To besure the sensor will reach the bol lennnf the annuhn space,First measure the sensor riser pipe from the bottom wI.O,C.,RL,„E ofthe pipe to the top.Then measure the panne distance up µBOA �� the leader cable from its connection to the Sensing element and mark the leader cable. CAUTION:DO NOT USE A KNIFE OR OTHER SHARP OIME.CT EPDXY SE"' "''EPER TO MARK THE CABLE; THIS MAY EXPOSE. THF. ^"E` WIRES. MARK THE DISTANCE WITH A MARKER, TAPE,OR A TWIST TIE. 4. Feed the sensor down the riser pipe until the point marked on the leader cable reaches the top or the riser pipe. Refer to Figures 2 and 3. 5. Feed the wire sensor cable up through the riser cap cable bushing and into the junction box through its cable bushing. 6. Tighten the cable bushing nuts on the riser cap all(] junction box to ensure a water-tight seal at the cable Figure 12. Piping Sump Sensor Installation Requirements entry. 7. Using wire nuts, connect the two-wire cable to the field wires in the sensor junction box.Be sure to observe color 4. Feed the leader cable through the cable bushing on the codes for proper polarity hookup to the TLS monitor. junction box. Refer to Figure 5, 'TI S-2501 Four-Tank System Wiring Installation Diagram." 5. Tighten the cable bushing nuts oil the riser cap and Note: DO NOT SEAL WIRE NUT CONNECTIONS AT THIS junction box to ensure a water-tight seal at the cable J TIME. Epoxy sealant, furnished with each sensor, entry. ! should only be installed after warranty checkout by 6. Using wire nuts, connect the two-wire cable to the field an authorized Veeder-Root TLS distributor. wires in the sensor junction box.Be sure to observe color S. Secure the riser cap to the riser pipe. codes for proper polarity hookup to the TLS monitor. Refer to Figure 5, 'TLS-250i Four-Tank System Wiring Installation Diagram" Note: DO NOT SEAL WIRE NUT CONNECTIONS AT THIS TIME. Epoxy sealant, furnished with each sensor, SECTION 6. PIPING SUMP should only be installed after warranty checkout by SENSOR INSTALLATION an authorized Veeder-Root TLS distributor. A. INSTALLATION. Install each piping sump sensor as 7. Tie the piping sump sensor to a point within the sump follows: where no condensation exists,to maintain the sensor's 45° angle. WARNING: TO AVOID ELECTRICAL SHOCK WHICH CAUTION: TIF. TIIE PIPING SUMP SENSOR TO A POINT COULD KILL YOU, BE SURE AC POWER TO THE WHERE. NO CONDENSATION WILL FORM. CONDEN- MONITOR IS OFF DURING INSTALLATION. SATION MAY CAUSE A CONSTANT WATER SENSOR L Turn OFF power to the TLS-2501 system. ALARM READING. 9