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charging

  1. Residential HVAC Forum
    More specifically, the discharge superheat method; Ambient temp added to discharge temp. This method has served me well but doesn't work AT ALL in 410A systems. Anyone else use this method or know why that it doesn't jive with 410A?
  2. General HVAC Discussion
    Last night a student of mine, while failing to pay close attention to instruction, opened and began purging his low side hose, which was filled with liquid. Besides speaking to him about doing something he was not asked to do, I asked him if he was familiar with the term di minimis to which he...
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