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Harmonic noise changes from Rheem gas pack

I have a Rheem two-stage gas pack with a scroll compressor. During the cooling cycle there is a constant and very obvious harmonic change in the noise coming from the unit.

Comments

  • TechmanTechman Member Posts: 2,144
    Harmonics

    How much time between normal noise and the hi/low harmonics? What is the voltage during this change ? What is the hi/low pressure? What is the SuperHeat during this change? Single phase or 3 phase?
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