ACHR NEWS

NEWS 12-09-13 cover

2013 December 9

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Cover Story

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Consequences of Counterfeit Refrigerants

Consequences of Counterfeit Refrigerants

Contractors Continue to Play Important Role in Curbing Illegal Refrigerants
Peter Powell
Peter Powell
December 9, 2013
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Counterfeit and illegally imported refrigerants have existed under the surface of the HVACR industry for years. With hydrochlorofluorocarbon (HCFC)-22 increasing in price due to a government phase down, more and more fly-by-nighters are working to get their hands on the product any way they can.


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Feature Articles

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Whenever possible, Greg Crumpton, president and founder of AirTight Mechanical Inc., Charlotte, N.C., said he prefers to add a grounding brush to VFD-driven motors. (Photo courtesy of AirTight)

Preventing Electrical Fluting in Motors

Ceramic Ball Bearings, Shaft Grounding Rings Help Mitigate Damage
Jen Anesi Headshot
Jen Anesi
December 9, 2013
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While variable-frequency drives (VFDs) boast increased energy efficiency as the main benefit, a small — but by no means insignificant — percentage of the drives are causing major problems in the motor they control.


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Variable-frequency drives (VFDs) have helped to reduce the number of motor failures that are the result of overheating and voltage irregularities. (Photo courtesy of Flir Systems Inc.)

Troubleshooting, Preventing Motor Failure

Insight and Experiences with Small HVAC Motors
Jen Anesi Headshot
Jen Anesi
December 9, 2013
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To minimize motor imperfections, contractors must stress the importance of a comprehensive inspection, properly identify and diagnose the root cause of the deficiency, and be able to explain the failure to customers in terms they’ll understand. 


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Newsline

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NATE Welcomes Board Members

Organization Installs New Chairman, 3 New Board Members
December 9, 2013
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North American Technician Excellence (NATE) elected a new chairman, as well as three new board of trustee members for the 2013-2014 term at its recent biannual meeting.


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Emerson Launches Thermostat Contest

Participants Urged to Submit Photos of Decorated Thermostats
December 9, 2013
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Emerson is now accepting photos of decorated thermostats on its Facebook page. The top three submissions, based on number of votes, will be awarded prizes.


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FYI

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New HVAC Products

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Ridgid: Camera System Head

Ridgid: Camera System Head

December 9, 2013
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A self-leveling camera head is available for the SeeSnake® Max™ rM200 camera system. With its always-upright, self-leveling design, the head was added to help take the guesswork out of inspections. 


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