3 Wire Ac Fan Motor Wiring Diagram

Look for a switch with four wires the manufacturer s wiring diagram search online for the make and model of fan plus the words wiring diagram wire cutters wire strippers and wire nuts.

3 wire ac fan motor wiring diagram. Thus instead of using the colors to distinguish the function better try to study the internal wiring connection. Finally this guide is intended to be used as a general overview of common condenser unit wiring schematics. White wire from the condenser fan motor to one side of power on the contactor t1 and jumped to one side of the fan capacitor. The process of repairing a three speed box fan with a broken switch can be easily accomplished with a new three speed switch obtainable from most hardware or home improvement stores.

3ø wiring diagrams 1ø wiring diagrams diagram er9 m 3 1 5 9 3 7 11 low speed high speed u1 v1 w1 w2 u2 v2 tk tk thermal overloads two speed star delta motor switch m 3 0 10v 20v 415v ac 4 20ma outp uts diagram ic2 m 1 240v ac 0 10v outp ut diagram ic3 m 1 0 10v 4 20ma 240v ac outp uts these diagrams are current at the time of publication. Hvac condenser fan motor wiring diagram. In this case if the black wire is the hi then the motor spins terribly slow. For a visual picture of typical wiring configurations reference the following guide.

Usually yellow or green color wire is used in a 3 wire fan for the pulse output tacho connection. Cap off brown white unused. However two fans with 3 wire connectors may not have the same wire colors. This is ac power and not a dual capacitor so the terminal side does not matter black wire from the condenser fan motor to other side of power on the contactor t2 brown wire from the condenser fan motor to the other side of the capacitor opposite the jumper wire.

Some condenser fan motors wire to a circuit board while others use proprietary plugs for their connectors.