With the improvement of the people’s living conditioning and the aggravation of globe energy crisis day and night, the public’s requirement is higher and higher to resident environment, especially to indoors air quality. At the same time, stricter standard on high efficiency and economical of air conditioning facility have been drafted. All of those accelerated the progress of new refrigeration and air conditioning technology, with the birth of Multi-connected Air-condition (heat pump) Unit (MACU), which is...
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