While refrigeration in supermarkets information ran throughout sessions at the Food Marketing Institute Energy & Store Development Conference, it also found itself as a stand-alone topic during several concurrent breakout sessions and as a front and center focus of a general session.
Seven models of the universal TR6 thermostatic expansion valve cover OEM air conditioner and heat pump designs in a wide range of applications, from 1.5 to 6 tons in R-22 and R-410A systems. According to the manufacturer, they easily install into almost any residential air conditioning system.
The Type R family of TEVs has been expanded to include three conventional body styles, the ER, SR and R, with capacities that now range from 1/3 ton to 15 tons based on R-410A.
One of the basic components selected when installing a walk-in cooler/freezer or any field-assembled refrigeration system is the metering device, typically the thermostatic expansion valve (TXV). The TXV needs to be selected to match the Btu capacity of the system’s evaporator and compressor.
Series HSV electric expansion valves offers precise superheat control. The valves feature a direct drive linear actuator using a hybrid step motor that provides increased power for its size, and eliminates unnecessary parts and their associated failure potential, the company said.
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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