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About HVAC Chillers
Heating, ventilation and air conditioning (HVAC) chillers are refrigeration systems that provide cooling for industrial and commercial applications. They use water, oils or other fluids as refrigerants. HVAC chillers include a compressor, condenser, thermal expansion valve, evaporator, reservoir, and stabilization assembly. Compressing the refrigerant creates a high pressure, superheated gas that the condenser air-cools to a warm liquid. The thermal expansion valve (TXV) releases refrigerant into the evaporator, converting the warm liquid to a cool, dry gas. Often, a hot gas bypass is used to stabilize the cooling output by allowing the hot gas to warm up the evaporator. This causes a reduction in cooling efficiency, but stabilizes the chilled water temperatures. When water is pumped from the reservoir to the compressor, the chilling cycle begins again.
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Engineering Web: HVAC Chillers - Machine Design
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Tiny Particles Bring on a Big Chill | National Institute of... successful, more-efficient refrigerants could be used in current chillers and HVAC equipment resulting in immediate energy savings. |
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Tiny Particles Bring on a Big Chill | Machine Design successful, more-efficient refrigerants could be used in current chillers and HVAC equipment resulting in immediate energy savings. |
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Temperature Controllers | Machine Design Selco/ECC 605 S. East St. Anaheim, CA, 92805 (800) 229-2332 selcoproducts.com |
