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Site Preparation. 1 Installation Instructions TLS-350 UST Monitoring System Fl b. Remove one of the plugs from the top of the junction NOTE:The mounting sleeve must be mounted far box, 16 enough into the sump to allow the sump sensor, c. Position the mounting bracket on top of the junction when installed,to rest on the base of the sump and box aligningthe holein the bracketwith the threaded be mounted at least one inch up from the base. hole in the box. b. Mark a line on the sump wall indicating the top of d. Install and slightly tighten the cord grip to hold the the mounting sleeve. mounting bracket in position. Turn the bracket so c. Apply cement approved for use with PVC and the the mounting sleeve is as close to the outer sump sump wall material generously in a line running the wall as possible and fully tighten the cord grip. complete length of the sleeve. e. If necessary,carefully bend the mounting bracket so d. Using a level, position the sleeve vertically at the that the mounting sleeve is in a true vertical posi- mark indicated on the sump wall and press it firmly tion. Using a level, check the mounting sleeve to to the side of the sump.BE SURE THE SLEEVE IS confirm that it is vertical. VERTICAL. f. Carefully slide the sump sensor into the mounting e. Hold the sleeve in position until the cement has sleeve until it rests on the sump base. hardened. g. Feed the leader cable through the cord grip on the f. Install and connect the sump sensor following the junction box. instructions in Section 9.B.3.f. through 9.B.3.j. h. Tighten the cord grip nut to ensure a water-tight SECTION 10. VAPOR SENSOR seal at the cable entry. INSTALLATION i. Using wire nuts, connect the two-wire cable to the WARNING:HIGH VOLTAGES ARE PRESENT field wires in the sensor junction box(see Figure 44, IN THESE SYSTEMS. TAKE PRECAUTIONS "Two-Wire Float-Switch Sensor Field Wiring Dia- TO PREVENT PERSONAL INJURY, PROP- gram").Since these are contact switches,polarity is ERTYLOSS AND EQUIPMENT DAMAGE.DIS- not a consideration when connecting sensor wires to CONNECTAC VOLTAGE AND TURN OFFALL field wires. LINE POWER BEFORE REMOVING AND RE- PLACING ANY PARTS. j. Seal wire nuts with epoxy sealant using one bag for two wire nut connections. (Refer to Figure 26,"Ep- TO AVOID ELECTRICAL SHOCK WHICH oxy Sealant for Two-Wire Connections.") COULD KILL YOU, BE SURE AC POWER TO THE SYSTEM IS OFF DURING SERVICE. 16 CAUTION: IF MORE THAN TWO WIRE NUT CONNECTIONS SHARE AN EPDXY SEALANT WARNING: A VEEDER-ROOT VAPOR SEN- BAG,THE CONNECTIONS WILL NOT BE PROP- SOR SHOULD BE INSTALLED ONLY IN ERLY SEALED. IMPROPER SEALING OF THE WELLS WHERE: CONNECTIONS WILL RESULT IN INACCURATE PRELI IINARYTESTING HAS DETER, SENSOR READINGS AND POSSIBLY FALSE MINED THAT THE SOIL IS NOT CON- ALARM CONDITIONS. TAMINATED BEYOND ACCEPTABLE 12 WARNING: EPDXY SF-41—ANT MAY BE IRRI- LIMITS,OR TATING TO EYES AND SKIN. MAY CAUSE WHERE CONTAMINATED SOIL HAS SKIN SENSITIZATION IN SUSCEPTIBLE IN- BEEN REMEDIATED AND IS NOW DIVIDUALS.MAY BE ABSORBED THROUGH CLEAN, THE SKIN.EPDXY SEALANT CONTAINS EP- OXY RESIN AND VINYL CYCLOHEXENE DI- A VAPOR SENSOR SHOULD NOT BE IN- OXIDE.VINYL CYCLOHEXENE DIOXIDE HAS STALLED IN WELLS WHERE PRELIMINARY CAUSED SKIN CANCER IN ANIMAL TESTS. TESTING INDICATES THAT THE INITIAL VAPOR SENSOR RESISTANCE EXCEEDS 26k PRECAUTIONS:AVOID EYE AND SKIN CON- OHMS. TACT. WEAR IMPERVIOUS GLOVES AND PROD- SAFETY GLASSES.USE ONLY IN WELL VEN- CAUTION: ONLY INSTALL THIS PROD- S SAFTED AREAS. 16UCT IN WELLS WHERE PRELIMINARY TEST- ING HAS DETERMINED PRESENT VAPOR LEV- .jft 4. To mount the sump sensor by cementing the PVC ELS TO BE ACCEPTABLE FOR ITS USE. mounting sleeve to the sump wall (fiberglass sumps only) (see Figure 55, "Mounting Sleeve Cemented to WARNING: TO PROTECT YOURSELF AND Sump Wall"): 12 OTHERS FROM BEING STRUCK BY VE- HICLES DURING WORK,BLOCK OFF YOUR a. Select a position for the mounting sleeve in the sump WORK AREA DURING INSTALLATION AND as far away from the submersible pump as possible. SERVICE. 35