Although detecting and minimizing leaks in commercial refrigeration equipment have always been important goals, they’re about to become even more critical. As I discussed in a recent article for...
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As I noted in a recent article for Contracting Business, the next generation of refrigeration equipment will be more diverse, with no one-size-fits-all solution. Proven eco-friendly refrigerants...
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Effective troubleshooting is a fundamental skillset for service technicians responsible for keeping refrigerated cases running at peak performance. They need tools to help them quickly set up new...
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In the first blog of our Innovations in Case Control series, I reviewed the hardware components, technician-friendly features and performance benefits of Copeland’s new CC200 case controller ....
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Electronic controls have become essential components in modern commercial refrigeration equipment. Driven by the needs to simplify maintenance, increase performance and reliability, transition to...
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In a recent article, we explored five ways connected, cloud-based internet of things (IoT) technologies are evolving to address nearly every facet of chain store operations by simplifying store...
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Earlier this year, the Department of Energy (DOE) published a notice of proposed rulemaking (NOPR) outlining new energy conservation standards for automatic commercial ice makers (ACIMs). The...
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As recent regulations set the stage for the use of A2L refrigerants in HVACR, commercial refrigeration stakeholders have questions about system design, safety considerations and servicing best...
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With finalized global warming potential (GWP) limits on the horizon and the hydrofluorocarbon (HFC) phasedown officially at 40 percent reductions, food retailers are entering a new phase in their...
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Maintaining consistent holding temperatures and following proper quality assurance (QA) processes are especially critical as shipments cross borders into foreign countries. But implementing proper...
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This is the final post in a series. Selecting the Best System – Booster Versus Cascade Versus Secondary Table 1 lists the advantages and disadvantages of cascade, transcritical, and secondary...
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This is post number 11 of a series. Retail Cascade Systems The cascade system comprises: The low stage, which provides cooling for the load. The post CO2 as a Refrigerant – Introduction to Retail...
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This is post number ten of a series. Retail Booster Systems Two-stage compression is used for transcritical low temperature applications because the discharge temperature of R744 is high and will...
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This is post number nine of a series. Introduction to Retail Transcritical Systems The diagram in Figure 1 is a simple single-stage transcritical system. The refrigerant discharged from the...
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This is post number eight of a series. Transcritical, cascade, and secondary CO2 systems This series continues with the introduction of transcritical, cascade and secondary systems; it explains...
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This is post number seven of a series. Weighing the Advantages and Disadvantages of R744 Table 1 outlines the advantages and disadvantages of R744 as a refrigerant. The post CO2 as a Refrigerant –...
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Table 1 shows a simple comparison of R744 with other types of refrigerants, including those that are currently commonly used and those that are currently being evaluated for future use. The post...
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This is post number five of a series, and continues our overview of CO2 as a refrigerant by touching on the potential hazards associated with handling systems where R744 is present. The post CO2...
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Many R744 systems operate above the critical point some or all of the time. This is not a problem; the system merely works differently and is designed with these needs in mind. The post CO2 as a...
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Carbon dioxide is a naturally occurring substance; the atmosphere is comprised of approximately 0.04 percent CO2 (370 ppm). It is produced during respiration by most living organisms and is...
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