Air Conditioning Systems

In the simplest terms, HVAC units are really big air conditioners, not dissimilar to the air conditioning unit in your car, apartment, or house.

The efficiency of a precision air conditioning system is based on two things:

  • The degree of temperature control

  • The ability of the system to get the conditioned air to the units of hardware that need cooling

The following figure shows an HVAC unit and controls.

Figure 8-1. HVAC Unit

Chilled Liquid Systems

The basic premise of a chilled liquid system is that air goes into the unit through its intake (at the top of most HVAC units) and is passed through a set of filters, some of which ...

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