A water chiller air-conditioning system utilizes cold water, which flows
through a coil filled with refrigerant, to cool the ambient air of the
building in which the unit is located. Water used in this manner reduces
the work of the air-conditioning compressor.
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Water chiller systems transport heat energy between the
airside, or the ambient air inside a building, chillers and outside via
the cooling coils, which cool and dehumidify the air stream. Main
components are a compressor, condenser, expansion valve and an
evaporator. This system works via vapor compression, meaning the chiller
evaporator absorbs heat from the water that the chiller is cooling.
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Water-cooled systems have minimal drops in efficiency when
compared with their air cooled counterparts at temperatures over 100
degrees Fahrenheit and are optimally efficient in dry climates.
Refrigerant is also contained, minimizing handling and the potential for
leaks.
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