To replace the two wire pump.
Well pump motor wiring.
The difference between 2 wire and 3 wire well pumps.
The owner s manual will include wiring charts to make sure the wire gauge awg is correct which will prevent.
Typical 3 wire 240v well pump wiring connections.
After determining the voltage is zero disconnect the motor wires directly from the pressure switch box m1 and m2.
Replace a two wire pump.
M2 motor 2 to pump motor.
The diagrams for both the two and three wire pumps can be downloaded using adobe.
The green ground wire should also be terminated to the box and a ground coming from the panel.
A 3 wire pump control box may actually have 6 physical wires present as follows.
Assortment of 2 wire submersible well pump wiring diagram.
It s extremely important to properly ground the system to any metal plumbing the control box for 3 wire well pumps and the motor frame using copper wire at least as thick as the other wires used to supply power to the pump motor.
A wiring diagram is a simplified standard pictorial representation of an electric circuit.