The air conditioner in the cinema at Singapore’s Century Square shopping mall was loud and expensive to operate, and its fans needed frequent maintenance. A retrofit put an end to that, making both the cinema’s customers and its operator happy.»
In ventilation, air conditioning and refrigeration applications, designers and operators often discover that the fans installed in their equipment are noisier or less energy-efficient than expected. The conditions of installation are often to blame, as they can have a negative effect on power consumption, air performance and noise emissions. The fan’s impeller, motor, control electronics and housing are optimized for energy efficiency and noise emission, and the actual conditions of installation in AHUs should not be neglected.»
When a huge axial fan broke down in the Skaraborg clinic in Sweden, the air conditioner could no longer produce the air flow required. But replacing the unit would have meant modifications to the buildings. Now was the time for a forward-looking solution.»
Not only do the latest electronically commutated motors (EC motors) consume much less electricity, they are usually considerably more compact at equal or even higher power output. Their use in household appliances provides an example of the resulting benefits for machinery and equipment. A few scenarios described below show the advantages.»
The EC centrifugal blower is making inroads into some unusual applications. Uwe Sigloch, Head of Ventilation and Air Conditioning Market Management at ebm-papst, tells us how.»
The team of engineering consultants from Teensma makes sure things are quiet wherever noise would disturb people, including residential areas with people who surf the Internet at high speed using fiber-optic connections.»
Air cleaners from ISI Industrieprodukte GmbH keep the air pure around machining centers.»
Delivering smart heating solutions is the goal for the new ebm-papst development center in Osnabrück, the fourth-largest city in the German state of Lower Saxony. About a dozen experts there will soon be experimenting with electronic combustion control.»
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The air conditioning system in the “Aalborg Storcenter” shopping center was consuming a lot of energy. Thanks to a retrofit with EC fans from ebm-papst, now its owner is enjoying big savings as 50 percent of its energy costs have been eliminated.»
Cramped equipment rooms and regulations affecting alterations to historic buildings prevented the installation of a new ventilation system in the Copenhagen train station. But ebm-papst had another good solution up its sleeve.»