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Jack did a little investigation to help, but we are lacking a bunch of info to answer your questions. Having a complete signature with your coach information helps because you do not have to tell us each time what your coach is. Not to mention the helpful folks here may be near you and can come to your aid when needed. Click the green button that’s says user CP then on the left side you will see Change Signature. 

So we can assume you mean compressors for your air system or are you talking about your air conditioner compressors?