AIR CONDITIONING SYSTEMS - De Pasquale Impianti

An air conditioning system (or climate control system) is a refrigeration cycle system that regulates temperature, humidity, and air quality. Typically composed of an indoor unit (split) and an outdoor unit (motor), it uses a refrigerant (e.g., refrigerant) that, via a compressor, evaporator, and condenser, absorbs internal heat and dissipates it to the outside.

Here are the main details:

Main Components:

Indoor Unit (Evaporator): Draws in ambient air, cools it through a cold coil, and then recirculates it, filtering it.

Outdoor Unit (Compressor/Condenser): The heart of the system. The compressor increases the refrigerant pressure, while the condenser releases the absorbed heat to the outside air via a fan.

Refrigerant Circuit: Copper pipes connecting the units, containing the refrigerant gas.

Expansion Valve: Reduces the refrigerant pressure, cooling it before it re-enters the evaporator.

Operation: The liquid refrigerant passes through the evaporator (becomes a cold gas, absorbing heat) -> compressor (increases pressure/temperature) -> condenser (becomes a hot liquid, releasing heat) -> expansion valve (rapid cooling) and the cycle begins again.

Difference between Air Conditioner and Air Conditioner: Air conditioners, unlike basic air conditioners, can also manage heating (heat pump), dehumidification, and purification.

Types: Monosplit (one internal, one external) or Multisplit (multiple internal, one external).

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