General installation diagram
Humid air - Air treatment and conditioning

Figure 22 shows a diagram of an example of a climate control system comprising :

• the room to be air-conditioned $1$ ;

• the $2$ air handling unit, generally comprising the VS supply fan and various air treatment equipment not shown here (mixing box, filters, cold battery, hot battery, humidifier, etc.);

• the supply duct $3$ (or network of ducts if the installation covers several rooms);...