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Podcast: HVAC School - For Techs, By Techs
Episode: Replacing a Compressor from Start to Finish
Description: In this podcast episode, Bryan goes over best practices for diagnosing and replacing an A/C or refrigeration compressor. When testing for a shorted compressor, make sure the compressor is isolated from all of its circuitry. You would see low ohms to ground in a shorted compressor. Do NOT measure from winding to winding or terminal to terminal to diagnose a short. You may also come across an open winding failure. In the case of an open compressor, the power is going to the compressor, but it's not doing anything. Locked compressors also go...