The chilled water supply temperature is usually about 45 f.
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Cold plates connect these plates to cold liquid lines in process chillers and liquid to air cooling systems to cool equipment through direct contact.
The chilled water is cycled through so that chilled water is always present as air comes through.
This chilled water is then circulated through the entire building by the use of a pump.
Water is used to cool the hot air refrigerant 180 f or 82 c from the compressor by pumping counter flow water in the condenser.
Air passes through a coil of chilled liquid and the heat is transferred from the air to the chilled water.
The chiller is the section of the system where an exchange of heat occurred between the water that goes to the building and the evaporator.
How chilled water air conditioning works.
The chilled water supply is pumped through the chiller and to the building s various air conditioning units such as air handling units ahus and fan coil units fcus.
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These cooling coils transfer sensible heat and latent heat from the air to the chilled water thus cooling and usually dehumidifying the.
The chilled water that exits a chiller is called the chilled water supply chws.
They take hot water cool it down in its liquid form and this chilled water circulates the building.
This water also goes through fan coil units which allow the liquid to pass through them and subsequently help dehumidify a room as well.
To provide a more consistent flow of cooled water than other heat sinks for water these have a built in pump and reservoir.
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The water is then recirculated to the chiller to be recooled.
In most air conditioning systems geared for cooling the principal refrigerant is chilled water.
The water leaves the chilled water evaporator at 45 f or 7 c.