Articles Tagged with ''refrigeration cycle''

Papers and presentations showcased at the most recent Food Marketing Institute Energy & Store Development Conference demonstrated the sector’s move away from high-global warming potential (GWP) refrigerants and toward more efficient equipment.

Regularly cleaning commercial ice machines is a necessary part of ensuring their continued and safe operation. 

The supermarket refrigeration sector is sensing the demise of high-GWP HFCs for use in HVAC systems, including some of the most commonly used refrigerants, R-404A and -507. Even if the line between high- and low-GWP HFCs has yet to be drawn, the industry is considering low-GWP options more frequently.

HFO refrigerants are actually unsaturated HFC refrigerants and are widely recognized as the next generation of refrigerants because of their environmental friendliness, cost-effectiveness, and great energy efficiencies.

A common accessory used on many refrigeration systems is the liquid receiver, a storage vessel designed to hold excess refrigerant not in circulation.

Here’s an interesting head scratcher for those of you who have been in the refrigeration sector of the HVACR industry for quite some time. Earlier this year, I was at an event called FMI Connect. One of the exhibitors was showing products for secondary and indirect (distributed) systems.

The main reason for pulling a vacuum on a system is to rid it of unwanted gases, mainly air and water vapor. 

Often, a simple control scheme using a microprocessor can allow manufacturers to use lower starting torque compressors without the use of a hard start kit to operate their ice machines. 

Having excellent customer service skills not only makes you a better technician — it makes you a better employee. 

Hank Bonar, owner of Bonar Engineering and Construction of Jacksonville, Florida, provided the following as part of his response to a story on refrigeration trends in the Sept. 8, 2014 issue of The NEWS. A portion of this was used in that story; here, Bonar’s comments are presented in their entirety.