Refrigeration - Articles - Page 183

Mixing R-22 with Other Refrigerants Can Create a Mess

New Refrigerants Require Careful Use

July 15, 2013

The dramatic market shift away from HCFC-22 has given rise to a number of new refrigerant options for distributors to sell and technicians to use. The fastest-growing and most-troubling concern being reported today is the practice of mixing alternative refrigerants with R-22.

Magnetic Cooling Offers Alternative Cooling Process

Research Yields a Substitute to the Compression and Expansion Cycles

Peter Powell

July 15, 2013

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New research being done at the University of Cambridge in England is focusing on what is called “magnetic cooling,” based on the straining of materials. The results have been published in the journal Nature Materials and quoted at the www.basqueresearch.com website.

Alliance Notes F-Gas Economic Impact

Fluorocarbon Industry Yields Goods and Services in Billions of Dollars

July 15, 2013

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The Alliance for Responsible Atmospheric Policy (Alliance), an industry coalition, has released a report detailing that the U.S. fluorocarbon industry’s total annual sale of goods and services amounts to $158 billion.

Giving a Clear-Cut Sign

What Do Your Signs Say About You to Customers?

Peter Powell

July 15, 2013

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I draw your attention to the photo of a truck shown here for a couple of reasons. First, to ask readers if their company’s vehicles clearly spell out the services provided by the business. Because, frankly, “HVACR” doesn’t mean a whole lot to a lot of people.

Walk-ins were recurring products throughout the floors at the NRA show, such as this model from Bally.

Refrigeration Innovations Earn Applause

Freezers, Cooler Components Earn Top Awards at National Restaurant Association Show

Peter Powell

July 8, 2013

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It certainly appears that impartial judges have taken a liking to the practical HVACR components frequently added on to freezers and coolers, which help the units run efficiently and accurately.

Face-to-face conversations comprised a key element of the NRA Show as demonstrated at the booth of refrigeration equipment manufacturer Hoshizaki.

Restaurant Owners Desire Productive, Low-Maintenance Ice Equipment

Energy Efficiency, Sizing, Cleanliness Key Factors in Choosing Ice Equipment

Peter Powell

July 8, 2013

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The purpose of an ice machine may be to create ice, but when it comes to the food service industry, ice has to be pure, clean, produced by energy-efficient units of all sizes, and needs to come in all shapes.

The CoilPod dust containment bag is said to be âan environmentally friendly solution for the indoor cleaning of self-contained condenser coil units in refrigerated or freezer display cases.â

Research and New Products Guiding Food Service Sector

Examining Efficiency, Effectiveness of Familiar Equipment

Peter Powell

July 8, 2013

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Two manufacturers recently released literature guiding food service decision makers to helpful data regarding the purchase of commercial-grade refrigerators and self-contained condenser coil cleaning units.

July 3, 2013: Refrigeration Controller Awarded Kitchen Innovation Award

Controller Can Be Used for New Installations or Retrofit of Existing Refrigeration Equipment

July 3, 2013

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KE2 Therm Solutions announced that it has won a Kitchen Innovation Award, presented at the National Restaurant Association Restaurant, Hotel-Motel Show, for its KE2 Evaporator Efficiency (KE2 Evap) controller for walk-in coolers and freezers.

The Professor: Recognizing, Solving Refrigerant Migration

Eliminating Refrigerant from the Compressor’s Suction Line or Crankcase

John Tomczyk

July 1, 2013

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During the off cycle, or especially during a long shutdown, refrigerant will want to travel, or migrate, to a place where the pressure is the lowest.

Ice Breaker: Transformer Sizing and Calculating VA Capacity

Joe Marchese Explains How to Size a Step-Down Transformer

Joe Marchese

July 1, 2013

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A popular electrical component used on many control circuits is the step-down transformer. It is the power source for a separate lower-voltage circuit which typically controls the operation of a system.