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r Site Preparation and T kallation Manual TLS-250i Tank Level %vi ing System *40 E. PROBE AND SENSOR CONDUIT INSTALLATION. F. PROBE AND SENSOR JUNCTION BOX INSTAL- (See Figure 5, '"175-250i Four-Tank System Wiring Installs- LATION. (See Figure 1.) Install a weatherproof electrical tion Diagram.-) junction box with Basketed cover on the end of each conduit WARNING: PROBE- AND SENSOR-TO-MONITOR WIRE run at the probe and sensor locations.Gasketing or sealing MUST NOT EXCEED 1,000 FEET. IMPROPER SYS- compound must be used at each entry to thejunction box to TEM OPERATION COULD RESULT IN INACCU- ensure a waterproof junction. The interior of the junction RATE INVENTORY CONTROL OR UNDETECTED box mustbe a minimum of Ili cubic inches. Use one of the POTENTIAL ENVIRONMENTAL AND HEALTH following approved units or equivalent: HAZARDS IF PROBE-AND SENSOR-TO-MONITOR WIRE RUNS EXCEED 1,000 FEET. RUNS OVER Manufacturer: Appleton Electric Co. 1,000 FEET ARE NOT UL APPROVED FOR THIS 1701 W. Wellington Av. APPLICATION. Chicago, 11, 60557 1. Dig trenches as necessary to install conduitfrom the Phone: (.'312)'327-7200 monitor to each probe and sensor location. Probe and Pen No. Oty. sensor wiring must enter the monitor through the knock- outs located at the right-hand side or bottom of the JeDx-75 t monitor case. (See Figure 4.) [GC,,7ketJunct!,,n ox JBK-B t Box JB-GK-V 1 2. Lay 1/2 inch rigid metal conduit from each probe and sensor junction box to a junction box or wiring Irough Manufacturer: Crouse-Iliuds Cu. located inside the building. Syracuse, NY 13221 Note: Probe and sensor wires can share same conduit and Phone: (315)477-7000 wiring troughs. IDeeedpaon Pert No. Oty. WARNING: EXPLOSION COULD OCCUR IF OTHER WIRES SHARE TLS-2601 PROBE AND SENSOR WIRE GRFx-139 t CONDUITSORWIRING TROUGHS.CONDUITSAND GRF-10 1 WIRING TROUGHS FROM PROBES AND SENSORS [G=C,-,=t. n GASK-643 t TO THE MONITOR MUST NOT CONTAIN ANY OTHER WIRES. G. MANHOLE,INSTALLATION. Layasingle3/4 inch rigid metal conduit.from t.he,junct.ion Note: Ensure thatthere is a sufficient amount of gravel box or wiring trough to the TIS monitor loealion. under the manhole for proper drainage. 3. The conduitcan enter the manhole through the bottom or Install a 14-inch minimum diameter approved manhole at the side,but the end ofthe conduit should be high enough each probe and sensor location. Offset the probe or sensor to reduce the chance of water covering the junction box riser pipes in the manholes for ease of junction box instal- .1 during heavy rain. lation and wiring.Leave room between thejunction box and V 4. Run 1/2 inch rigid metal conduit between breaker box and the manhole liner so that thejunction box can lw removed if TLS monitor location. necessary. F", r-L-C CIO IT 9 Figure 5. TLS-260i Four-Tank System Wiring Installation Diagram 4