Sponsored by COOLERS
The energy used by these kind of coolers is similar to direct coolers, but as we said, they have a higher COP.
As evaporative coolers, they do not use chemical refrigerants to cool the air: for this reason, they are one of the most environmentally benefi cial methods of cooling available and off er a range of health benefi ts. Evaporative coolers are extremely environmentally friendly, just because they are based on a natural technology to cool the air without damaging or depleting the planet. Sub-wet bulb coolers’ cooling performance can rival that of refrigerated systems, using up to 80% less energy. That’s not only great for reducing power bills; it’s also great for the environment.
And, no matter how hot it gets outside, sub- wet bulb coolers use the same amount of power and still deliver 100% fresh, cool air inside. This is in direct contrast to refrigerated systems, which require increasing amounts of power as outside temperatures rise. These coolers’ cost- saving capabilities actually increase, when the heat is at its highest.
Another great advantage of sub-wet bulb evaporative coolers is that they can be used in various types of confi gurations, apart from the standalone one, in which they provide optimal energy savings while delivering moisture-free fresh air.
The most interesting confi guration is the pre-cooling application, optimising an existing plant capex or gaining more effi cient performance from new refrigerated equipment. In this confi guration, they pre-cool fresh air before it enters the plant, signifi cantly lowering the load on compressors and increasing the cooling capacity as the temperature rises. For the same purpose, it can be used as supplementary cooling, used when the physical layout prevents direct connection to the refrigerated air conditioning plant.
Fig.1
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Fig.2
A bit of climate magic C
limate Wizard is the indirect evaporative cooler developed by Seeley International: it is an air conditioner that uses an indirect evaporative heat transfer core that provides hyper-effi cient cooling of outside air. It delivers 100% fresh, cool, outside air, with greatly reduced energy consumption. Climate Wizard is a proven technology that has been adopted across the world. Climate Wizard can use up to 80% less energy than an equivalent refrigerated system performing the same duty, thanks to the unique indirect evaporative heat exchange core technology. Like other evaporative coolers, it does not require any synthetic refrigerants or chemicals to cool the air, using only water and electrical power. Climate Wizard can be used on its own or in combination with refrigerated systems to dramatically reduce energy usage by pre-cooling outside air. Used with refrigerated systems, it can also extend the life of the air conditioning equipment.
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