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Midea Launches Full Falling Film Chiller
May 9, 2013
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Midea Central Air Conditioner (CAC) held a press conference in Chongqing, China to unveil its high-efficiency, dual-stage, full falling film centrifugal chiller.

Midea launched the full falling film centrifugal chiller R&D project in 2010. The R&D team, based in the company's facility in Chongqing, China, included foreign and Chinese experts, who spent more than two years overcoming the technical challenges of the chiller technology.

The new chiller is covered by 20 patents, including 5 invention patents and 15 utility patents, which include the full falling film technology, dual-stage compression plus vapor injection technology, pre-whirl guide vane technology, intelligent control system, and others.

Midea said the chiller's initial coefficient of performance (COP) reached 7.06W/W at AHRI-standard conditions, and the integrated part load value (IPLV) reached up to 11.6. The new full falling film evaporator is designed to significantly improve the heat exchanging efficiency. Refrigerant charge volume is 40% lower, compared to a flooded type chiller. The unit also uses free cooling technology, consuming no power during transition seasons.

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