Refrigeration

KE2 Therm: Undercounter, Walk-in Refrigeration Controller

January 28, 2013
Designed to control refrigeration units, the KE2 Temp + Defrost saves time on installation by eliminating the need for both a time clock and defrost thermostat, the company said, requiring only wires to connect power, solenoid, and temperature sensor. 


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Heatcraft Worldwide Refrigeration: Refrigeration Monitoring and Controls System

January 21, 2013
An enhanced monitoring and controls system allows restaurants to actively manage their refrigeration using a web-based solution. The Remote Refrigeration Control (RRC) provides real-time reports and alerts, which empowers users to manage the integrity of their food supply from any location.


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Pressure on HFCs Continues in Europe

January 21, 2013
The European Commission (EC), the executive body of the 25 member countries of the European Union (EU) responsible for proposing legislation, is continuing its efforts to phase down — and in some applications phase out — use of HFC refrigerants in much of Europe.


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What Refrigeration Personnel Can Learn From Heat Pumps

January 21, 2013
The refrigerator is actually a heat pump, as the method of operation is identical apart from one difference: Heat is extracted from the refrigerator and discharged into the surroundings, whereas the heat pump uses the thermal energy in the surroundings for heating purposes. 


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Using the P-T Chart to Diagnose Refrigeration, A/C System Problems

January 21, 2013
The purpose of this article is to not only demonstrate the proper use of the pressure-temperature relationship, but to also illustrate how service technicians can use the P-T chart to thoroughly analyze a refrigeration or air conditioning system.


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CHC Pack, Refrigeration Training Earn Honors

January 21, 2013
A combined heating and cooling (CHC) pack is a design for use in convenience stores. The technological development, along with development of a European Refrigeration Training Academy, earned WR Refrigeration honors at the National ACR Awards in England. 


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Are HFCs Down or Out Overseas?

January 21, 2013
It’s important for readers within the refrigeration industry to be aware of what’s being talked about in Europe, especially from a regulatory standpoint. There is talk of a phaseout of virgin HFC refrigerant production rather than a phasedown.


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The Professor: Compressor Superheated Discharge Temps

January 14, 2013
The compressor’s superheated discharge temperature can tell the service technician what is going on inside a refrigeration or air conditioning system. The compressor’s discharge temperature is a reflection of the hottest part of a refrigeration system, and there are limits as to how hot a discharge temperature should be.


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Spectronics Corp.: Acid Elimination Kit

January 14, 2013
The AB-100CS Acid-Buster™ Injection Kit is designed to bond with acids without forming chemical byproducts and prevents acid build-up in air conditioning and refrigeration systems. Use of the injector requires only one connection to add acid scavenging solution into the system.


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Ice Breaker: Choosing the Right Multimeter

January 14, 2013
When it comes to choosing a multimeter for servicing refrigeration systems, there are a lot of choices on the market. Careful planning should go into selecting the right meter.


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