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Veeder-Woof Sensor Application Guide Appendix F <br /> 3. Determining The Top(Warning)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 of the tank to the centerline of the top float(Fig.13-3). Note this measurement as D3. <br /> l <br /> i <br /> t <br /> y t ' u <br /> as lit w' +x+�sa •:.:f <br /> JAN 12718 <br /> flev�el <br /> F a: <br /> anl� <br /> enterline <br /> Float- <br /> es rniaz.) <br /> Fig.B-3.- Determining Distance D3I <br /> 4. Determining Correct Sensor To Order <br /> Use the D1, D2 and D3 measurements made in Steps 1 - 3 to determine the part number of the sensor from <br /> the V-R Oil/Water Separator Sensor matrix shown in Fig.B-4. <br /> For example: D1 = 33", D2 =24.5, D3 = 13" <br /> D2 + D3 =Top float position, i.e., 24.5 + 13 = 37.5" (Dimension A in the V-R P/N matrix) <br /> D1 - D3= Bottom float position, i.e., 33 - 13 =20" (Dimension B in the V-R P/N matrix) <br /> Using the OWSS float positions calculated in the example above, the top float (Warning) would activate at 13 <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 on the TLS system. <br /> Alarm Conditions <br /> 1 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 /> r <br /> B-2 <br />