Transcription of Understanding RefrigerantBlend Performance
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UnderstandingefrigerationrSince the phaseout ofCFCs more than 10 yearsago, refrigerant blendshave become common-place in the rmarket for both retrofitand new installations. Equipment thattraditionally used R-12 or R-502 isnow running on one of approximately13 commercially available you consider the pendingphasout of R-22, another three orfour blends get thrown into the addition, contractors and ser vicetechnicians must know the pitfalls ofefrigerant blends. Fortunately, wehave lear ned much about blend per-for mance during the last 15 refrigerant blend has its ownunique properties that are somewhatdifferent from the original productthey are intended to replace.
the different types of molecules. The pressure for the blend falls between the pressures of its components. But as we will see later, the vapor composition
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