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CPT Controller Manual <br /> . REDIJAMET <br /> Adjusting the Functional Element <br /> The functional element is factory-set at 11.5 to 13 psi. If line-leak <br /> detection is enabled in the CPT Controller, you will need to increase <br /> the holding pressure for the adjustable functional element to about <br /> 2 psi below the pump's running pressure. <br /> ADJUSTABLE <br /> FUNCTIONAL <br /> ELEMENT <br /> V <br /> FIGURE 4.2 ADJUSTABLE FUNCTIONAL ELEMENT <br /> IM When the adjustable functional element is installed,the <br /> in pump-motor unit must operate at approximately 2 psi <br /> greater than the relief(seating) pressure that has been <br /> set for the functional element <br /> 1'Iji If the CPT is used in conjunction with other electronic <br /> leak detectors,the pressure must be set in accordance <br /> with the requirements for the specific device. Refer to <br /> the appropriate operating instructions for the correct <br /> pressure setting. <br /> ARE260-240 Rev.A ♦ 6/97 4-3 Chapter 4:Operation <br />