Refrigeration

DOE Looks at Energy Standards

Refrigeration Equipment Comes Under Review
By Peter Powell
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Service technicians who work on commercial refrigeration equipment should be aware that the U.S. Department of Energy (DOE) has issued what it calls the final rule on the “Energy Conservation Program: Energy Conservation Standards for Commercial Refrigeration Equipment.”


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Alliance Supports Inclusion of HFCs in Montreal Protocol

Organization Also Names Board of Directors
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The Alliance for Responsible Atmospheric Policy has offered its support for the negotiation of an amendment to the Montreal Protocol to include HFCs as part of it.


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Leak Requires Hockey Rink Save

Sealant Keeps Skaters on Ice
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An HCFC-22 refrigerant leak in its flooded tube-style chiller system threatened the Arcadia Ice Arena with a potential door-closing financial crisis, had it not been for the ingenuity of its maintenance engineer and today's commercial refrigeration leak sealants.


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Proper Recovery Procedures

Familiar Servicing Still Needs Care and Skill
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Recovery of refrigerant may be a common practice in HVACR servicing, but it is still a skill that requires care and caution. Awareness of step by step procedures can help all technicians better understand what’s involved in the process.


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SAM Continues to Change

Print Version by Request Only
By Peter Powell
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The Service Applications Manual (SAM) of the RSES has been one of the venerable documents of the HVACR industry. It consisted of two large loose-leaf binders in which were inserted printed training materials prepared by RSES in conjunction with industry experts.


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Reviewing all Aspects of Recovery Equipment

Old Requirements, New Equipment Dictate Recovery Procedures
By Peter Powell
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What has changed over the past 25 years or so is the recovery equipment, and the latest generation of such equipment is a considerable improvement over that of the first generation.


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Predicting the Future of R-22 Reclamation

Company Leaders Comment on Reclamation’s Next Five Years
By Peter Powell
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To see where the sector is headed over the next five years, The NEWS collected comments from numerous companies involved in reclamation services. Here, in alphabetical order by company, is a collection of the responses.


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EPA Pushed To Explain R-22 Phaseout Plans

New Era Seeks Faster HCFC Phaseout Solution
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Group intends to file suit against the EPA, claiming the federal agency is allowing excessive amounts of virgin and imported R-22 into the U.S. market.


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The Professor: Crankcase Heaters

Coping With Refrigerant Migration
By John Tomczyk
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Migration of refrigerant to the compressor’s crankcase during an off cycle is a serious problem, as significant compressor damage can occur if the problem is not remedied. 


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Ice Breaker: High-Pressure Switches

Troubleshooting Compressor Shutdown Controls Requires Care
By Joe Marchese
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High-pressure switches are designed to shut down a compressor if the system’s high pressure rises above an unsafe level, not allowing the compressor to restart until the pressure returns to a safe level. 


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2014 Energy Efficiency Forum

Highlights from the 25th annual Energy Efficiency Forum in Washington, D.C.

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NEWSMakers: Joseph Groh

Joseph Groh, an industry veteran boasting 35 years of HVAC experience, discusses the 2008 bicycle accident that cut his career tragically short, and how the Joseph S. Groh Foundation is his way of giving back to the construction trade. Posted on Aug. 22.

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2014 August 25

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Prohibiting HFCs

EPA is proposing a rule that would prohibit some HFCs in select refrigeration applications. Do you agree with this move?
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