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What are the major components of a water chiller?
A chiller consists of a few major components. A compressor, an evaporator heat exchanger, a condenser heat exchanger, an expansion valve or two and some piping and controls are the basis. Compressors are usually reciprocating, scroll, centrifugal, or rotary screw type.
The evaporator heat exchanger is usually of shell & tube constructions and is the exchanger where chilled water be produced.
The condenser heat exchanger can be either air-cooled, a coil or coils and a fan or fans, or water-cooled, another shell & tube heat exchanger cooled by cooling tower or other water.
Water Chillers are used in many applications t cool or child fluids. These applications include, but are not limited to, manufacturing processes, comfort cooling and rental cooling systems.
The following information is provided as brief overview of water chiller features and operational characteristics..
What is Water Chiller?
A chiller is a mechanical refrigeration device, like an air conditioner, except that it cools a fluid (usually water) instead of cooling air.
When a large air conditioner is required it is sometimes more feasible to use one large chiller instead of many small air conditioners.
Chillers are also used wherever there is a need for cooling a fluid such as a chemical process or for plastic modeling.
|
MODEL |
VOLTAGE |
AMP |
L*H*W |
|
CHI-1.5T |
230v/415v |
9 amp |
33”*26”*13” |
|
CHI-2.0T |
415v |
11 amp |
33”*26”*13” |
|
CHI-5.0T |
415v |
11 amp |
42”*29”*42” |
How does the water chiller produce chilled water?
A chiller removes heat from a place where it is not needed or wanted and moves it to a place where it doesn’t matter.
A chiller produces cold water by the transfer of heat from entering water to refrigerant in the evaporator heat exchanger.
A typical chiller would for example chill 55°F EWT, (entering water temp.), down to 45°F LWT, (leaving water temp.).
The refrigerant would then carry the heat to the condenser for it to be removed to the environment via an air-cooled coil or water-cooled heat exchanger.
If a cooling tower cools a water-cooled heat exchange, the cooling tower will ultimately reject the heat to the environment.
Once the refrigerant leave the condenser heat exchanger it will be compressed and cycle continues.
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