Reactions of Chiller Maintain Efficiency

May 1, 2006
/ Print / Reprints /
ShareMore
/ Text Size+
Maneurop compressors can be optimized for variable-speed operation.
Printing plant presses need inks delivered - often several colors or varieties at a time - at precisely controlled temperatures to maintain efficiency and yield a quality product. Those temperatures, often in multiple operations in the same factory, are usually created by industrial chillers.

In automotive manufacturing, more plastic parts are used every year. The parts are designed to be uniform, sturdy, good looking, easy-to-install and cheap to ship. They are manufactured by injection molding and come from molds kept at precise temperatures by industrial chillers.

Cars and printing presses each contain parts precision machined to tolerances as close as a few ten thousandths of an inch. The machine tools that mill, grind, and drill those parts need their cutting fluids - the lubricants that are constantly delivered to the cutting surface - delivered at carefully controlled temperatures, again a role in which the chiller is critical.

Indeed, the compressors that power industrial chillers are themselves machined by tools whose cutting action is cooled by industrial chillers.

THE VARIABLE OPTION

For a number of years, variable-speed technology has been offered for users of industrial chillers as well as the chiller manufacturers.

For example, Danfoss Maneurop compressors can be optimized for variable-speed operation. Variable speed, when applied to a refrigeration compressor (or one used for air conditioning), acts to always match the compressor output to the demand for cooling. Thereby, the compressor always runs at the speed required to deliver the cooling needed to reach the target temperature, and no faster. Much energy is saved. The alternative is to introduce hot gas into the cooling circuit to control the temperature.

Variable-speed compressors are also money-savers because they run all the time. Running all the time might not seem like the best way to go, but if little energy is being used, or just the right amount, then running the compressor constantly actually extends its service life. This is because the stresses that are attendant to stopping, and more particularly to starting, don't occur. Starting and cycling on and off are the most life-limiting normal events in a compressor's service time.

Because of the energy efficiency and extended compressor life made possible by variable-speed operation, Danfoss has been able to enhance the designs of many of its compressors to make them suitable for high-efficiency variable-speed operation over an extended capacity range. Applications for these compressors range from water coolers to vending machines to home refrigerators and freezers, in air conditioning and industrial process systems.

For more information, contact www.danfoss.com.

Publication date: 05/01/2006

Did you enjoy this article? Click here to subscribe to The NEWS Magazine

You must login or register in order to post a comment.

Multimedia

Videos

Image Galleries

2014 MCAA Annual Convention

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

Podcasts

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.

More Podcasts

THE MAGAZINE

ACHRNEWS

NEWS 04-14-14 cover

2014 April 14

Check out the weekly edition of The NEWS today!

Table Of Contents Subscribe

SERVICE CALLS POLL

Which statement on service calls best applies to your business?
View Results Poll Archive

HVACR INDUSTRY STORE

plumbing-hvac.gif
2014 National Plumbing & HVAC Estimator

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

More Products

Clear Seas Research

 

Clear Seas ResearchWith access to over one million professionals and more than 60 industry-specific publications, Clear Seas Research offers relevant insights from those who know your industry best. Let us customize a market research solution that exceeds your marketing goals.

DON'T MISS A THING

Magazine image
 
Register today for complete access to ACHRNews.com. Get full access to the latest features, Extra Edition, and more.

STAY CONNECTED

facebook icontwitter iconyoutube iconLinkedIn i con