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ss SiteSen ' el iTouch Controller Tank Monitoring System <br /> Typical Interstitial Level Sensor Installation <br /> A� <br /> Rc <br /> Steel F« <br /> Figure 23:Interstitial Level Sensor Installation <br /> Site tine) iTouch Controller Setup for Interstitial Level <br /> Sensor <br /> I. Configure the barrier position to be a generic sensor(or if using Site-Connect <br /> choose the appropriate icon)and install that position. <br /> 2. Set the lower alarm threshold to 2.5 volts and set the upper alarm threshold to <br /> 5.0 volts(disables upper threshold). <br /> • If monitoring a normally wet well,the lower threshold will indicate that the <br /> liquid is too low. <br /> • If monitoring a normally dry well,the lower threshold indicates that liquid is <br /> too high. <br /> 3. Program the alarms associated with the lower threshold that you wish to activate <br /> if the sensor detects hydrocarbon liquid. <br /> 8/14/09 <br /> Sensors:30-3221-1A,-1B Interstitial Level Sensor <br />