Supermarket Refrigeration RSES（超市制冷rs）.pdf

Supermarket Refrigeration System Changes, Present and Future How refrigerant regulations, cost and becoming green are driving technology and training. B y R a j a n R a j e n d R a n , P h. d. All tables courtesy of Emerson Climate Technologies. Knowing what the potential rom an outsider’s perspective the commercial refrigera- changes are and understanding “ tion industry will not seem fast paced compared to what Fis being read and heard about in other industries, like at why they are taking place Silicon Valley for example. However, the landscape is chang- ing and will continue to change based on many key factors. will help HVACR professionals Knowing what the potential changes are and understanding why they are taking place will help HVACR professionals embrace the developments embrace the developments and be better equipped to han- dle them in the field. and be better equipped to Forces driving changes handle them in the field. Many factors are at play as to why commercial refrigeration systems and refrigerants are changing. Foremost on retailers’ minds is always cost. Cost can come in many forms: first cost, energy cost and maintenance cost. Retailers must take a balanced approach to these cost drivers to get the overall Regulations are also driving the market. Refrigerants that best value, and the answers can be very different depending deplete the upper atmosphere ozone (such as R-22) and re- on facility location. frigerants that have relatively high GWP values (such as R- 34 RSES Journal AUGUST 2012 w w w . r s e s j o u r n a l . c o m