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Veeder-Roof Sensor Application Guide <br />Stand -Alone Dispenser Pan Sensors <br />The Stand -Alone Dispenser Pan Sensors immediately shut down AC power to the dispenser when fluid is detected <br />in the dispenser pan. These sensors control and shut down power to the dispenser without the need for additional <br />relays, circuitry, wiring, or consoles. The separate sensor control interface ensures intrinsically -safe integrity in a <br />Class I Div. 1 Group D; Class I Zone 0 IIA hazardous area. Two models of Stand -Alone Dispenser Pan sensors are <br />available. <br />Table 6. Stand -Alone Dispenser Pan Sensor Features and Console Compatibility <br />Item <br />Dispenser Pan Stand -Alone Sensor <br />Non -Discriminating <br />Dispenser Pan Stand -Alone Sensor <br />Discriminating <br />Form Number <br />847990-001 <br />847990-002 <br />Operating principle <br />Product permeable, reed switch/float <br />Product permeable, reed switch/float <br />Product activation height' <br />Gasoline -1.71" (4.34cm); Water -1.62" (4.11cm) <br />Gasoline - 0.03" (0.76mm); Water - 6.39" (16.23cm) <br />Operating temperature: <br />0 to +140°F (0 to +60°C) (freezing liquids; -13 to +140°F (-25 to +60T) for hydrocarbons <br />Compatible fuels <br />100o Gasoline and blends with up to 15% Ethanol; Diesel; Bio -Diesel; Kerosene; Jet fuel; Aviation Gas; Waste <br />Oil; Motor Oil <br />'For additional third party evaluation data see: http://nwglde.org/evals/veeder_root—p.html <br />Miscellaneous <br />• Latching alarm circuitry ensures dispenser can't be restarted until hazardous condition has been corrected. <br />• Connects directly to dispenser wiring. <br />• Controls most manufacturer's dispensers. <br />• Cable length: 5 feet (1.5m). <br />• Sensor dimensions: 11.6" (29.5cm) high, 2.2" (5.6cm) dia. <br />• Control Interface dimensions: 9.4" (23.9cm) high, 2.2" (5.6cm) dia. <br />Installation Accessories <br />• Universal Sensor Mounting Kit, <br />P/N 330020-012, contains sensor <br />mounting brackets and screws <br />(see Fig. 4). <br />Dispenser pan sensor should <br />1. Rest in the cup or the <br />lowest point of the <br />dispenser pan. <br />2. Be positioned so as to be <br />removable by pulling the <br />sensor straight up out of <br />the pan. <br />3. Be mounted in a true <br />vertical position. <br />0 <br />Optional Universal <br />/ Sensor mounting kit <br />Dispenser pan sensor <br />/ Dispenser Control Interface <br />Power 120 Vac <br />Neutral <br />To dispenser <br />Existing conduit <br />— Existing conduit <br />®_ <br />1-1/2" to 3/4" NPT <br />1-1/2" NPT coupling <br />Reducer <br />3/4" NPT <br />nipple (Customer <br />supplied) <br />Junction box <br />(in dispenser) <br />Dispenser pan sensor should <br />1. Rest in the cup or the <br />lowest point of the <br />dispenser pan. <br />2. Be positioned so as to be <br />removable by pulling the <br />sensor straight up out of <br />the pan. <br />3. Be mounted in a true <br />vertical position. <br />0 <br />Optional Universal <br />/ Sensor mounting kit <br />Dispenser pan sensor <br />