What is the role of the air conditioning system in the CACS?

The role of the air conditioning system in the Cabin Atmosphere Control System (CACS) is to cool and dehumidify incoming air. This is essential for ensuring a comfortable environment for passengers and crew within the cabin. The air conditioning system works by processing outside air, removing excess moisture to maintain appropriate humidity levels, and cooling the air to a desired temperature.

Proper cooling is crucial, especially during hot weather, as it helps to manage the thermal comfort of the occupants. Dehumidification is equally important because high humidity can lead to discomfort and may also affect the safety and functionality of some electrical components within the aircraft, as excessive moisture can lead to malfunctions or corrosion.

Understanding this function emphasizes the importance of air conditioning in providing not just comfort but also safety and reliability in the cabin atmosphere during flight.