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Chapter Startup, Calibration, and <br /> Operation <br /> Overview <br /> This chapter explains the following: <br /> ♦ Setting the Pump Control Pressure <br /> ♦ Purging Air from the Line <br /> ♦ Adjusting the Functional Element <br /> ♦ Calibrating the Flow Rate <br /> e Verifying Line-Leak Detection <br /> ♦ .Testing the Installation <br /> Setting the Pump Control Pressure <br /> a t u It is necessary to set the pump control <br /> pressure to maintain a flow rate of 10 gpm. <br /> There are two ways to set the pump control <br /> . ® pressure: <br /> 0 electronically with a Tech Pod or <br /> r 3E 0 manually by adjusting a dial inside the <br /> housing of the CPT Controller (see <br /> figure 4.1). <br /> The dial settings and their equivalent <br /> ,dmm pressures are indicated in the chart below. <br /> Setting psi Setting psi <br /> 0 18 5 33 <br /> 1 21 6 36 <br /> 2 24 7 39 <br /> 3 27 8 42 <br /> 4 30 9 45 <br /> 4 <br /> Set the rotary dial at the pressure necessary <br /> ^ to maintain 10 gpm flow through one nozzle. <br /> ° m- See the "Tech Pod User's Guide" for <br /> F/GURE4.1 RmARYPREssuREML information on setting the pump pressure <br /> electronically. For details on confirming the <br /> proper flow, see "Calibrating the Flow Rate." <br /> ARE260-240 Rev.A ♦ 5197 4-1 Chapter 4:Operation <br />