Single Phase Motor Direction Change
To reverse rotation on a single phase capacitor start motor, you will need to reverse the polarity of the starter winding. This will cause the magnetic field to change directions, and the motor will follow. In order to achieve this, you can swap the connections on either end of the winding. Always reverse the wires that lead to the starter winding.
Note that most motors, if still labelled with manufacturer instructions, will indicate that they are non-reversible. If this is the case, it's likely because the wires you would need to access are housed within the motor. If your unit has this warning, it's easiest not to proceed. If, however, your motor is reversible, you might notice that it provides instructions for reversal. Usually, these instructions will tell you which wires to change. For instance, some units might have you switch the red and green leads in the terminal box at the end of the casing. In other instances, the blue and yellow wires may need to be swapped. The colour of the wires is highly individual and depends upon the brand and model of motor you have. It's best to read the instructions provided by the manufacturer before proceeding.
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6 авг 2024