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Veeder-Root Sensor Application Guide Appendix B <br /> 3. Determining The Top(Wznning) Float Position ' <br /> Consult the tank chart to determine the height of the top warning level (centerline of the top float). Measure the <br /> distance from the top nfthe tank tothe centerline of the top float(Fig.B'3). Note this measurement as D3. <br /> Pan <br /> Top of tank <br /> to top warnmg <br /> level(centerline <br /> of Top Float- <br /> 12 inches min.) <br /> 4. Determining Correct Sensor To Order <br /> Use the D1. D2and D3measurements made inSteps 1 '3tudetermine the part number ofthe sensor from <br /> thoV'R Oil/Water Separator Sensor matrix shown in FiQ.B-4. <br /> For example: O1 =33^. D2=24.6. D3= 13" <br /> O2+ D3=Top float position, i.e., 24.5+ 13=37.5" (Dimension Ainthe V'R P/N matrix) <br /> D1 ' D3~ Bottom float position, ie.. 33- 13=20^ (Dimension Binthe V'RP/N matrix) <br /> Using the OWSS float positions calculated in the example above, the top float ( Vanning) would activate at13 <br /> inches below the top of the tank and the bottom float(Alarm)would activate at 33" below the top of the tank. <br /> The correct part number for these example float positions would be 764690-053. <br /> Round dimension A or B down to the nearest available option if necessary. Note: doing so will impact the float <br /> Warnings and Alarms generated onthe TLS system. <br /> Alarm Conditions <br /> - <br /> Alarm Type Alarm Condition <br /> Liquid Warning Oil present in tank <br /> Liquid Alarm Oil has reached its maximum volume, remove from tank <br /> Sensor Out Alarm No communication to ATG <br /> Normal Tank is properly setup with liquid <br /> B-2 <br />