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Podcast: HVAC School - For Techs, By Techs
Episode: Capacitor Testing and Replacement - Short #247
Description: In this short podcast episode, Bryan goes through the process of testing and replacing a run capacitor. Run capacitors provide continuous phase-shifted current to the start winding, allowing the motor to run in the right direction and with the appropriate amount of torque. These capacitors are needed in most of the single-phase PSC motors we work with. Run capacitors are in the circuit all the time and are connected in series with the start winding (compared to start capacitors, which need to be taken out of the circuit after startup). They don't actually "boost" voltage. The bigger th...