Ice machine refrigeration tuning is precise, with very close tolerances required. Because of the precision required, components like head pressure regulating valves and thermostatic expansion valves (TXVs) in most ice machines have factory-fixed settings, and faulty parts require replacement rather than adjustment.
As
issues related to food safety continue to take a high priority in the minds of
consumers, those involved in the design of refrigeration equipment continue to
look at ways to keep foods in need of cooling or freezing at proper
temperature.
As energy costs and regulatory demands for system efficiency increase, thermostatic expansion valves (TXVs) are replacing capillary tubes, particularly in residential air conditioning and heat pumps.
Research has led to new ways for analyzing and using sensor information, and we now have algorithms to predict with some certainty when a specific kind of equipment malfunction will occur.
Photos from the 2013 ACCA Conference & IE3 Expo in Orlando, Fla.
Podcasts
Cade Clark, assistant vice president of government affairs for the Air-Conditioning, Heating & Refrigeration Institute (AHRI), gives a brief overview of the new version of the Shaheen-Portman bill, what AHRI thinks of the energy-efficiency legislation, and how it might affect the HVACR industry if it becomes law.
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