Actually, frost on the suction line only indicates that at the location where the frost is present, the suction line piping is below the dew point temperature of the surrounding ambient air and at or below 32°F. That’s it. It is neither an indication of a properly operating system nor a system defect.
The Alfa Laval PureCooler is ideal for dry-expansion evaporation and is a dedicated solution for evaporation in high-efficiency chillers, the company says.
A well-designed medium temperature refrigeration system will maintain both a proper case temperature and relative humidity (rh). The preservation of food depends not only on the temperature, but also on the relative humidity within a case.
The manufacturers creating new HVAC technologies are teaching others all about it.
Podcasts
Kara Saul Rinaldi, executive director with the National Home Performance Council (NHPC) introduces the NHPC and discusses a recently released white paper focused on properly developing the home-performance industry.
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