3 Wire Well Pump Testing
Wells sump pumps and septic sewage systems testing a submersible well pump i think our subersible pump died but want to make sure before pulling it.
3 wire well pump testing. Troubleshooting inside the box is made simple by the control components automatically disconnecting from the system when the lid is removed. If you desire a cheaper starting price quick and easy installation and are fine with replacing the entire pump if something major goes wrong then an all in one 2 wire well pump may. In h2o s experience we find the 2 wire pumps to be more reliable and robust. I m wondering why then would you want a three wire pump that requires an additional piece of equipment pump controller when a two wire pump does the same job without the added cost of a.
I found that the wiring for the original 3 wire pump had been reconfigured to that of a two wire pump eliminating the need for a controller. Inside is the relay and start capacitor. Below is a control box. Testing a franklin electric qd quick disconnect box qd boxes are designed for use with 3 wire single phase submersible motors from.
Click on the image to enlarge and then save it to your computer by right clicking on the image. Collection of 3 wire submersible pump wiring diagram. The wires heading to the well s pump motor connect to terminals with a start run and neutral function. In this video i go over the differences of a 2 wire and a 3 wire submersible well pump this is associated with the starting components for the pump and whet.
Measure the resistance from line to line. Three wire pumps may have a higher starting price but you re paying for the ability to replace individual parts of the pump as well as a longer life span on the pump itself. On 3 wire motors measure the resistance of yellow to black main winding and yellow to red start winding. It s a 4 franklin 1 2 hp 110 ft.
Single phase submersible pump control box wiring diagram 3 wire submersible pump wiring diagram in submersible pump control box we use a capacitor a resit able thermal overload and dpst switch double pole single throw. The wiring connection of submersible pump control box is very simple. The chart next to the wiring diagram gives the well pump s operating voltage. After opening up the pump controller i did some head scratching.
Replace all burnt. If all ohms values are normal tables 13 22 24 25 27 in aim manual the motor windings are neither shorted nor open and the cable. If so go with a 3 wire well pump. Here is the complete guide step by step.
Troubleshooting submersible well pumps 101. These are usually labeled s r and n the wires connected to the green screw ground the well system. Step 4 visually inspect the control panel s wires wire connections relay and capacitor. Measure the resistance line to line for all three combinations.
3 wire submersible pump wiring diagram well pump wiring diagram and 3 wire submersible.