Do not lower if sand may clog pump. There are only 2 wires running into the pressure switch and I read 110V.

It does not last very long as opposed to a 230 volt submersible. Operating the submersible pump in this condition would cause the winding to fail rapidly. Three pumps of a pump station (30, 10, and 1 ½ horsepower) are connected to the power source of 460-volts, 3-phase. • Well professionals have the right kind of equipment to pull a submersible pump without damaging the drop pipe, power cable and pump itself. Go ahead and hire someone with a well service rig. I then have no voltage at either the switch or at the pump controller. Throttle pump output or reset pump to lower level. Voltage drop testing compares the battery or charging voltage to the voltage at the component. The proper voltage for any residential pump is 230 volts.

Pump check valve jammed by drop pipe When pump is pulled after completing Step 4 above, examine connection of drop pipe to pump outlet. The mini-float switch will turn the pump on when water levels reach approximately 1-1/2 in. Sizing and selection tools, quick dimensioning, pump replacement tools, CAD drawings, pump curves and other relevant data. The Franklin Electric Submersible Motor Application Installation and Maintenance (AIM) Manual contains cable-sizing tables. re: effects of voltage drop in submersible pump 03/24/2013 10:38 PM If the over current protection or thermal overloads do not trip off, the motor will turn at nearly the same RPM and the pump discharge should be unaffected. The drop in the voltage is experienced when a portion of the supply voltage is lost within the cable. 5. The resistance could be in the connectors, grounds or harness. A: Okay, you’ll have to pull the pump. These tables list the maximum number of feet of each size cable you can run from the service entrance to the motor for each horsepower motor based on a maximum 5-percent voltage drop. The voltage drop occurs because of resistance in the circuit that supplies the pump. DON’T TRY IT YOURSELF! After all, the pump must be supplied with adequate voltage to ensure efficient operation and to prevent premature motor failure.
With the submersible pump pressure switch in a closed position, check the voltage across the switch. Also, when testing prior to pulling the pump you need to account for the voltage drop that occurs. In this case, the power loss is 587Watts, or 0.79hp, in the cable, the voltage at the motor and undervoltage are both 189.5 Volts and 17.6%.

Allowable Voltage Drop I have voltage to the pressure switch, but when I engage the switch the voltage drops to zero.

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