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1� <br />• INSTALLATION AND SERVICE SHOULD • BE PROVIDED BY A QUALIFIED <br />INSTALLER. <br />MIM <br />The enclosure has four 5/16" diameter holes located on the mounting plate. Select a vertical <br />wall or instrument mounting panel free from water or dust collection. Easy access for routine <br />service and maintenance should also be a consideration when selecting a location for <br />• <br />rym� <br />For future inspection and service, a junction box should be used to terminate the sensor <br />cable above the monitoring well or tank riser. The size of the junction box should be 3/4" NPT or <br />larger, to allow the sensor to be removed when service is needed. <br />M -e <br />spacing. Also, because OT as hynil <br />without the need of any additional mounting attachment. <br />The liquid sensor should be placed close to the lowest point within the space to be monitore'l <br />so as to respond to the early leakage condition. <br />The vapor sensor can be placed arbitrarily within the probing space due to the fact that the <br />vapor will diffuse and occupy the space uniformly under stagnant conditions. However, to avoid <br />potential direct contact with the liquid in case of large leakage, it is recommended that the vapor <br />sensor be installed at least a few feet above the bottom of the well or tank. <br />IL <br />