Compressors

If it were an automobile it would be the engine. It all starts here.

ARTICLES

Sept. 12, 2014: Compressor Modulation eBook Released to Aid HVAC Contractors

Publication Designed to Help Contractors Sell and Service High Efficiency Systems
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Emerson Climate Technologies Inc. has announced the release of a new eBook to provide helpful information to HVAC contractors and facility managers on the value and impact of compressor modulation. The publication is titled “Understanding Compressor Modulation in Air Conditioning Applications.”


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The Professor: A Recap on Oil Traps

Functions, Dealing with Oil Reservoirs
By John Tomczyk
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The function of an oil reservoir, commonly known as an oil trap, is to prevent large oil slugs from forming. This is accomplished by trapping a small amount of oil in the reservoir or trap and gradually returning it to the compressor.


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Ice Breaker: Advantages of Parallel Compressor Racks

Supermarkets Use Design to Cool Cases
By Joe Marchese
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For maximum efficiency, a bank of compressors should be connected to evaporators operating at similar temperatures. From an operational standpoint, cases of different evaporating temperatures can be connected to the rack; however, this causes a substantial energy loss.


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Purdue Conference Draws a Line on HFC Refrigerants

Low-GWP Refrigerants Stressed To Keep Refrigerant in Mix
By Peter Powell
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If hydrofluorocarbons (HFCs) are to have long-term viability, the low-global warming potential (GWP) versions will have to separate themselves from high-GWP types. And the survivors will have to play their part in energy efficiencies, especially in commercial buildings.


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Aug. 22, 2014: HVACR Professionals Can Now Access Emerson Product Database via Mobile App

Resource for Copeland Compressor Specifications Available as a Free App
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Emerson Climate Technologies announced that on-the-go HVACR professionals now have access to its Online Product Information (OPI) database for Copeland™ compressors from a mobile app.


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The Professor: Defining the Impact of Frosted Compressor Head

What Frost on a Compressor Head Is — and What it Isn’t
By John Tomczyk
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All frost means is the suction line or compressor is below freezing, and the moisture in the air has reached its dew point temperature and condensed. 


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Components + Accessories: Tech’s Jobs Made Simpler

Emerson Climate Technologies’ TXV Connect Kit Claims Gold
By Angela D. Harris
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The NEWS honors the 2014 Dealer Design Award winners in the Components and Accessories category.


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The Professor: Oil Pumps and Net Oil Pressure

Understanding the Differences is Key for Successful Servicing
By John Tomczyk
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Often, compressors in the refrigeration and air conditioning fields have forced oiling systems. Here is a look at some of those oil pumps.


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Bitzer Addresses Counterfeiters

Counterfeiters Target Compressors, Spare Parts, Pressure Vessels
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Bitzer said the problem has particularly been troublesome in Asia, as counterfeiters are going so far as to copy the company’s catalog data. 


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Emerson Climate Technologies Inc.: Compressor, Motor Control Drive

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The latest generation of 2-5 ton Copeland Scroll™ variable-speed compressor and motor control drive enables system manufacturers to achieve 25-plus SEER and 13-plus HSPF, the company said.


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Mark Satterfield, founder and CEO of Gentle Rain Marketing Inc. and author of “The One Week Marketing Plan” talks about his book and the importance of HVAC blogging. Posted on Sept. 19.

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