Double channel air conditioning plant - utilises heat from return air with heat exchanger and mixers

摘要

The air conditioning two channel system is used in buildings with a number of room zones each supplied with fresh air by a separate mixer connected to central air conditioning plant supplying warm and cold air. Heat is supplied to air also by optimum utilisation of solar heat and heat generated by lighting system. Air is cooled by cool fresh air and a refrigerator. Separate air preparation systems for warm and cool air have supply lines for fresh and return air. Mixers are provided for both air streams. A heat exchanger warms fresh air by return air and heaters are also provided. Cool air is prepared by cooling sections for the mixer.