3 Wire Well Pump Voltage
Troubleshooting submersible well pumps 101.
3 wire well pump voltage. Then provide the 240 circuit for the well pump from the panel and at least one 120 volt circuit for lighting and a gfi utility outlet. 240 volt well pump wiring diagram video. How to wire a well pump. Standard with most common being black blue brown.
It s because the component is directly connected to electricity resource. Well pump is 400 ft from house due to septic system or some other issue and you need to know how big the wire needs to be and what size breaker. Troubleshooting inside the box is made simple by the control components automatically disconnecting from the system when the lid is removed. To do this work the pump converts electricity into mechanical action and the harder the job the more electricity it uses.
Most older pumps did not have a ground. Most submersible well pumps are 2 wire pumps they are better and less expensive than a 3 wire with control box and do not need or have a control box. Due to that the electric current in each part is similar while voltage of this circuit is total of voltage in every component. Unlike in string connection the voltage of each element is comparable.
Step 1 disconnect all power. Easily the first step all power should be. Testing a franklin electric qd quick disconnect box qd boxes are designed for use with 3 wire single phase submersible motors from. Educate yourself before hiring a professional.
From the manual schedule you ll be able to determine if the current well pump is a 2 wire or 3 wire pump. You ll want to have all the tools you need handy which should also be stated in the manual as well. The first step for installing a well pump is to familiarize yourself with the owner s manual and all the wiring steps you ll need to complete. See your breaker panel in order to understand the voltage of your pump and determine if it is a 110v 115v 220v or a 230 volt setup.
The pump doesn t require grounding because it is usually very well grounded in the water in the well. Electrically powered well pumps may be submersible or positioned clear of the water. Foreign three wire pumps may have different wire colors than the u s. In this case it will be a 220 volt pump with the black wire attached to r the blue wire attached to y and the brown wire attached to b.
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. 3 wire well pump wiring diagram. A 12 gauge jumper wire may be used to pump less than several feet to make pressure switch wiring easy. Wire should be sized 10 gauge 4 strand.
It may be a better idea to install a larger conduit and pull in a larger 240 volt 3 wire circuit and ground to feed a sub panel. This is called a wiring schedule which you can also normally find inside the existing control panel if applicable. The wiring connection of submersible pump control box is very simple. Breaker disconnect installed next to pump for ease of control.
Parallel relationship is more complicated than the series one. Here is the complete guide step by step. It depends on what code if any you are under if the pump and or casing is supposed to be grounded.