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Site Preparation and Ins, ition Instructions <br /> TLS-350 UST Monitoring system <br /> 1. Use a standard 4" tank locking cap, "Evertite" or <br /> equivalent,with standard ring adaptor. I° MIANHOOL,EDIn <br /> 2. Drill and tap the cap for a 3/8 x 18 NPT cord grip thread �q IAARETE SLAB <br /> CAED EART.. 2 CORD GRIP SEALS <br /> PER NEPA 6V SUPPLIED WITH PROBE <br /> Isee Figure 23,"Probe Riser Cap Modification"). <br /> 3. Install a water-tight cable bushingin the 3/8"threaded <br /> hole in the top of the cap. Use an appropriate thread STRAINRELIEF WE—E...DOT <br /> �� <br /> sealant to ensure water-tightness.Also install a water- CHAIN T. <br /> ;UNCTION 21NGr.NPTT T X WIDS <br /> 16 CUBIC INCL <br /> tight cable bushing in the probe junction box in a MINIIAUM <br /> similar manner. PPO1r SEAL <br /> ER NFPA <br /> SPEC <br /> 0 <br /> IN <br /> SEE 2.WIRE CABLE <br /> 'NDTE SUPPLIED WITH <br /> RISER DIMENSION PROBE <br /> SHOULD BE 20 TO <br /> ±.OTHE 80I TOM OF a00 API PIPE <br /> 62 TIE RISER CAP SCHEDULE+O <br /> 1.438 375— 18 N.P.T. <br /> CAPACITANCE <br /> + r PROBE <br /> ±-062 ✓ <br /> 1.625 =___-_-- -- - ___: <br /> 31�i tO <br /> rt..mla.PA..,6 c n e <br /> Hr.Pr.w noa,nl.SII w Iw9.a <br /> E.rP�w w b Ionper <br /> In.n In.minimum in Order Ia ororio.room I <br /> Figure 23. Probe Riser Cap Modification. Figure 24. Capacitance Probe Installation Requirements. <br /> C. INSTALLATION. 5.Carefully lower probe into the riser pipe until it gently <br /> Install each probe as follows(see Figure 24,"Capacitance touches the bottom. <br /> Probe Installation Requirements"). CAUTION: HANDLE PROBE CAREFULLY! <br /> 16STRIKING OR DROPPING PROBE WILL RESULT <br /> WARNING:TO AVOID ELECTRICAL SHOCK IN LOSS OF CALIBRATION AND COULD CAUSE <br /> WHICH COULD KILL YOU, BE SURE AC PERMANENT DAMAGE. <br /> POWER TO THE MONITOR IS OFF DURING <br /> INSTALLATION. 6. Feed the two-wire probe cable(furnished with each probe) <br /> up through the cap bushing and in through the junction <br /> 1.Turn OFF power to the TLS-350 system. box bushing.Leave enough slack in the cable between the <br /> CAUTION: DO NOT INSTALL THE PROBE IF cep and junction box to allow the cap to easily reach the <br /> ANY LIQUID OTHER THAN THE PRODUCT TO riser pipe.In addition,leave enough slack under the riser <br /> BE DISPENSED IS IN THE TANK FAILURE TO cap to permit connection to the probe and to allow the <br /> COMPLY CAN RESULT IN EQUIPMENT DAM- probe to rest on the bottom of the tank. <br /> AGE,INACCURATE INVENTORY CONTROL,OR <br /> UNDETECTED POTENTIAL ENVIRONMENTAL 7. Using wiring nuts, connect the wires from the probe <br /> AND HEALTH HAZARDS. cable to the probe field wires in the junction box(see <br /> Figure 25,"Two-Wire Probe Field Wiring Diagram"). <br /> 2. Make sure any liquid other than the product to be Be sure to observe proper polarity between the probe <br /> dispensed has been pumped out of the tank. and monitor wiring during installation. <br /> CAUTION:Capacitance probes contain a glass cyl- <br /> inder which can be broken if the probes are dropped WEATHERPROOF <br /> or struck during handling and installation.Probes JUNCTION BOX <br /> (1 PER PROBE) <br /> are sensitive measuring devices and should be 1/2"RIGID <br /> handled carefully at all times. CONDUIT = BIk <br /> 3. Be sure there is no sludge in the bottom of the tank. TO • <br /> Sludge can clog the water-entry hole near the bottom of MONIITOR PROBE <br /> a capacitance probe, resulting in inaccurate water <br /> height readings from the probe. • <br /> + Wht <br /> 4. Attach the probe cable connector to the mating plug on <br /> the top of the probe.Be sure the connector is attached <br /> securely by hand tightening the locking ring. Figure 25. Two-Wire Probe Field Wiring Diagram. <br /> 22 <br />