3 Wire Submersible Well Pump Troubleshooting
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3 wire submersible well pump troubleshooting. Correct faulty wiring or connections. Cord model 75152 249 95 249 95. Check for misalignment between pump and motor or a sand bound pump. The first could be that power is not being supplied to the pump.
Troubleshooting inside the box is made simple by the control components automatically disconnecting from the system when the lid is removed. Amp readings will be 3 to 6 times higher than normal until the overload trips. For screen reader problems with this website please call 1 800 430 3376 or text. This is a video of me showing you how i was able to track down and replace the control box for my well pump.
If you have a submersible well pump located in the well itself you will have either a 2 wire or 3 wire pump. In this article we ll take a look at the 3 wire 240v single phase submersible pump system for drinking water applications typically set between 50 feet and 300 feet below grade. It works at tank pressures of 20 30 40 50 or 60 psi and has a max operating temperature of 86 degrees f. 2 wire vs 3 wire what is the difference.
Obviously the connection at the pump motor can t be checked unless the pump is pulled out of the well. Check the pump and motor. The chart next to the wiring diagram gives the well pump s operating voltage. The 10 gpm 1 hp 3 wire submersible well pump is made of stainless steel and is a quality built well pump for home application.
The wires heading to the well s pump motor connect to terminals with a start run and neutral function. The pump is fed down a steel well casing that extends through the earth until bedrock is encountered at which point the rock itself becomes the casing. Home technical information pumps technical data submersible well pump technical data submersible well pump troubleshooting. Troubleshooting submersible well pumps 101.
These are usually labeled s r and n the wires connected to the green screw ground the well system. Normally there will be a splice connection at the top of the well between the submersible cable and the uf or thhn where the wire enters the home and between the pump motor and the submersible cable. Both types of pumps work exactly the same way the only difference is the location of the relay and start capacitor and how many wires need to go out to the pump. Second check the overload protection by checking the circuit breakers and third check if the pressure switch is damaged.
If the submersible well pump won t start there could be one of three things wrong. Xtremepowerus 1 hp submersible 2 wire deep well water pump 115 volt 213 ft.