

Fig. 3 shows a typical wiring diagram for a three-wire, single- phase installation. Note that a magnetic contactor must be used if the pressure switch electrical rating is not sufficient to handle the submersible motor electrical rating. The pressure switch would then be incorporated into a pilot circuit to control the magnetic contactor. Make the connections at the control box in accordance with the wiring diagram in the control box to avoid damage to the motor. FIGURE 3 - 3-WIRE, 1 Phase, 1/3