1. Lecture Objectives: Learn about processes in AHU Swimming pool example Het recovery systems

2. Major AHU Components Humidifiers Steam Water Heat Exchangers Air to air Air - water or air - refrigerate AHU Fans Water (mist) Many more …

3. Process in AHUs Example AHUs for swimming pools MENERGA ThermoCond 19

4. Swimming pool heating

5. Dehumidification using outside air in Winter and Summer

6. More advance control MENERGA ThermoCond 29

7. Dehumidification using outside air in winter Condenser in the swimming pool Evaporator Condenser in the air stream Compressor of the heat pump

8. Recirculation of air with dehumidification catalog

9. Sensible and Enthalpy wheels

10. Sensible and Enthalpy Wheels

11. Heat recovery system in NSM building at UT

12. Desiccant wheel Figure 3 – A desiccant-based cooling system combined with regenerative heat exchanger, vapor compression cooling, and evaporative humidifier (hybrid system).