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Troubleshooting Ice Machine Evaporators

Determining evaporator design can help identify problems

December 3, 2018

The higher the inlet water temperature, the more sensible heat must be removed from the water and the longer the freeze cycle. The latent heat removed causes the water to change state, thus producing ice.

EnVisioneering Symposium Caps Off Danfoss Refrigerant Week

Danfoss events focus on commercial refrigeration trends, challenges, solutions

Joanna R. Turpin

December 3, 2018

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At the symposium, industry experts from Danfoss, refrigeration OEMs, end users, regulators, advocacy groups, and refrigerant producers came together to discuss some of the challenges facing the industry, as well as new technologies and megatrends that will impact every aspect of the commercial refrigeration market.

How to Prevent the Compressor From Overheating

Discharge temperatures, superheat can offer insights

John Tomczyk

December 3, 2018

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To obtain the heat content (enthalpy), it would be necessary to know both the pressure and temperature at this point and then use a thermal dynamic superheat table for this specific refrigerant.

PENN Controls Celebrates 100 Years

November 30, 2018

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In 1919, the Penn brothers co-founded the Penn Electric Machine Company in Des Moines, Iowa. Its first product was the innovative Type S pressure switch, which Albert developed to automatically operate electric motor-driven water pumps.

Nor-Lake Names New Vice President of Sales

November 29, 2018

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As vice president of sales & customer care, Keith Funke will lead the development and execution of Nor-Lake’s commercial sales growth and new business opportunities.

The EPA’s Call for Comments Stirs Up the HVACR Industry

Government authority questioned on Section 608

Angela D. Harris

November 26, 2018

No Comments

The primary question being asked in the proposed rule, Protection of Stratospheric Ozone: Revisions to the Refrigerant Management Program’s Extension to Substitutes, is whether or not the EPA has the authority to regulate anything beyond ozone-depleting substances (ODS).

Supreme Court Refuses HFC Refrigerant Case

With the last legal challenge exhausted, the future of HFCs remains unclear

Joanna R. Turpin

November 19, 2018

One Comment

In October, the Supreme Court decided not to review the case, leaving in place the 2017 ruling, which means for now, the use of high-GWP refrigerants, such as R-404A and R-410A, remains legal.

Our Nation Turns Its Lonely Eyes to the EPA for Unity

Joanna R. Turpin

November 12, 2018

No Comments

If finalized as proposed, the revised Refrigerant Management rule would, among other things, rescind the leak repair and maintenance requirements for substitute refrigerants.

Letters From Our Readers: Nov. 12, 2018

November 12, 2018

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The following remarks were made regarding the article “HFO Sightings: Retrofits Becoming More Common in Supermarkets,” written by Joanna R. Turpin, senior editor for The NEWS, published Oct. 1.

Our Nation Turns Its Lonely Eyes to … the EPA

November 7, 2018

One Comment

The EPA embarked on a rulemaking process that should eventually lead to a new policy regarding HFCs, although many in the HVACR industry hope the agency simply accepts the phase down schedule recommended in the Kigali Amendment.

During this webinar, we will discuss what acidic condensate is, how it’s formed, and the damage it can cause if not properly treated—while hitting on the latest regulations that are driving the adoption of condensing technology.

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Refrigeration
RSS

Troubleshooting Ice Machine Evaporators

EnVisioneering Symposium Caps Off Danfoss Refrigerant Week

How to Prevent the Compressor From Overheating

PENN Controls Celebrates 100 Years

Nor-Lake Names New Vice President of Sales

The EPA’s Call for Comments Stirs Up the HVACR Industry

Supreme Court Refuses HFC Refrigerant Case

Our Nation Turns Its Lonely Eyes to the EPA for Unity

Letters From Our Readers: Nov. 12, 2018

Our Nation Turns Its Lonely Eyes to … the EPA

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Refrigeration
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