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R-434A is for use in water cooled and process chillers for air conditioning and medium- and low-temperature applications. It works with MO, AB, and POE oils. R-438A (MO-99) is for use in low-, medium-, and high-temperature applications.
A liquid (glycol based) chiller with an air cooled condenser on the rooftop of a medium size commercial building. In air conditioning systems, chilled coolant, usually chilled water mixed with ethylene glycol, from a chiller in an air conditioning or cooling plant is typically distributed to heat exchangers, or coils, in air handlers or other types of terminal devices which cool the air in ...
The units went on sale in 1932 at ... even in liquid-cooled chillers through the ... as R-12 and R-22, respectively, used within air conditioners have ...
The York brand has been owned since August 2005 by Johnson Controls, when it was sold to them for $3.2 billion. [75] [76] At the time of the acquisition, it was the world's largest independent manufacturer of air conditioning, heating, and refrigeration machinery. Its stock symbol was formerly YRK.
R-438A (MO-99) is a R-22 replacement. [71] R-123 HCFC-123 CHCl 2 CF 3: 2,2-Dichloro-1,1,1-trifluoroethane: 292 79 US phase-out Used in large tonnage centrifugal chiller applications. All U.S. production and import of virgin HCFCs will be phased out by 2030, with limited exceptions. [72] R-123 refrigerant was used to retrofit some chiller that ...
Natural refrigerants are considered substances that serve as refrigerants in refrigeration systems (including refrigerators, HVAC, and air conditioning).They are alternatives to synthetic refrigerants such as chlorofluorocarbon (CFC), hydrochlorofluorocarbon (HCFC), and hydrofluorocarbon (HFC) based refrigerants.
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