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Craftsman 390.2521 Owner's Manual
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ELECTRICALNOTICE: Dual-voltage motors are factory wired for 230volts. If necessary, reconnect the motor for 115 volts, asshown. Do not alter the wiring in single voltage motors.Install, ground, wire, and maintain your pump in compli-ance with the National Electrical Code (NEC) or theCanadian Electrical Code (CEC), as applicable, and with alllocal codes and ordinances that apply. Consult your localbuilding inspector for code information.Motor wires connect here.-Power supply wires connect here.230 Volt: Connect 2 hot wires (black and red)here and cap the white (neutral) wire. It doesnot matter which wire goes to whichscrew.115 Volt: Connect one hotwire (black or red)to one of these screws (it doesn't matterwhichone). Connect the white (neutral) wireto the other screw. Cap any remainingblack or red wires.L;lampthe power cable to prevent strainon the terminal screws.- Connect the green (or bare copper) ground wireto the green ground screw. 31870398Figure 6 - Pressure Switch WiringConnection Procedure:1.2.Connect the ground wire first as shown in Figure 4. Theground wire must be a solid copper v_tre at least as largeas the power supply w'tres.There must be a solid metal connection between thepressure switch and the motor for motor grounding pro-tection, ff the pressure switch is not connected to themotor, connect the green ground screw in the switch tothe green ground screw tinder the motor end cover. Usea solid copper wire at least as large as the power supplywires.3. Connect the ground wire to a grounded lead in a servicepanel, to a metal underground water pipe, to a metalwell casing at least ten feet (3M) long, or to a groundelectrode provided by the power company or the hydroauthority.4. Connect the power supply wires to the pressure switchas shown in Figure 6.MotorHorsepower1/2Table II Wiring Chart - Recommended Wire and Fuse SizesVolts115/230Max. LoadAmps.10.5/5.2BranchFuse*Rating Amps15/15Distance in Feet from Motor to Meter0' to 101' to 201' to 301' to 401' to100' 200' 300' 400' 500'Wire Sizt1_14 1_14 _14 _14 _12OPERATIONPriming the PumpNOTICE: To properly prime the pump, install a pipe tee inthe discharge piping (see Figure 1, Page 4).To prevent damage to internal parts, do not start motor untilpump has been filled with water.To prime pump:1. Remove priming plug (Purchase separately; Figure 1,Page 4).2. Fill pump with water.3. Replace priming plug, using Teflon tape or Plasto-Jcdmtstik 2 on plug threads; tighten plug.4. Start the pump. Water should be pumped in 1-2 minutes.ff not, repeat steps 1, 2 and 3.On shallow depths to water (10 feet or less), the pumpwill probably prime the first time after the followingsteps 1 through 4 above.5,From 10 to 20 foot depths, you might have to shut offthe pump and repeat steps 1, 2 and 3 several times.If, after priming pump several times, no water ispumped, check the following:A. Be sure suction pipe is in the water.B. Be sure suction pipe does not leak.C. Be sure that pump is not trying to llft water too high(see "Piping in the Well", Page 4).D. As long as foot valve and check valve function cor-rectly and suction pipe does not develop leaks, pumpshould not need repriming in normal service.z Lake Chemical Co., Chicago, Illinois |
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