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  1. General HVAC Discussion
    I am currently working on creating an apprenticeship program. The state has provided some in-the-field exercises that must be performed. One of the terms used is 'run-in compressors'. I have heard this said before through my years, but had no clear understanding of exactly what it means. My best...
  2. Business, Marketing, and Sales
    Hello, I have for sale a couple of new Copeland compressors: Model: ZR144KC-TFD-950. They are for commercial roof top A/C unit. A quick Google search turned up there specs: 12 HP, 460V, 3 PH, 144,000 BTU, R22, Scroll Compressor (Not sure of accuracy). A friend advised me that this forum...
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