Lecture Objectives:

1
Lecture Objectives

• Learn about processes in AHU
• Swimming pool example
• Het recovery systems

2
Major AHU Components
Humidifiers
Heat Exchangers
Steam
Air to air
Water
Water (mist)
AHU Fans
Air - water or air - refrigerate
Many more
3
Process in AHUs

• Example AHUs for swimming pools

MENERGAThermoCond 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 air stream
Evaporator
Compressor of the heat pump
Condenser in the swimming pool
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