Articles by Max Robinson

Troubleshooting System Refrigeration Components

July 7, 2008
Ice machine refrigeration tuning is precise, with very close tolerances required. Because of the precision required, components like head pressure regulating valves and thermostatic expansion valves (TXVs) in most ice machines have factory-fixed settings, and faulty parts require replacement rather than adjustment.
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Coping With Control Needs in Food Sector

April 7, 2008
As issues related to food safety continue to take a high priority in the minds of consumers, those involved in the design of refrigeration equipment continue to look at ways to keep foods in need of cooling or freezing at proper temperature.
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Revisiting the Cap Tube

November 12, 2007
As energy costs and regulatory demands for system efficiency increase, thermostatic expansion valves (TXVs) are replacing capillary tubes, particularly in residential air conditioning and heat pumps.
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Refrigeration Fault Detection and Diagnosis

August 21, 2006
Research has led to new ways for analyzing and using sensor information, and we now have algorithms to predict with some certainty when a specific kind of equipment malfunction will occur.
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Image Galleries

2014 MCAA Annual Convention

Scenes from the 2014 MCAA Annual Convention in Scottsdale, Ariz.


Kyle Gargaro, editor-in-chief of The NEWS, hosted the 2014 ACCA CEO Forum. At the event, six well-known, highly respected company executives, Gary Michel, Ingersoll Rand/Trane; Chris Nelson, Carrier Corp.; Chris Peel, Rheem Mfg. Co.; Rod Rushing, Johnson Controls; Brent Schroeder, Emerson Climate Technologies; and Doug Young, Lennox; provided individual industry outlooks and fielded questions directly from attending contractors. Listen to the entire event on the NEWSMakers podcast. Posted on April 14.

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2014 April 14

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2014 National Plumbing & HVAC Estimator

Every plumbing and HVAC estimator can use the cost estimates in this practical manual!

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