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refrigerant
(redirected from R-404a)

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
re·frig·er·ant (r-frjr-nt)
adj.
1. Cooling or freezing; refrigerating.
2. Reducing fever.
n.
1. A substance, such as air, ammonia, water, or carbon dioxide, used to provide cooling either as the working substance of a refrigerator or by direct absorption of heat.
2. An agent used to reduce fever.

refrigerant
1. relieving fever and thirst.
2. a cooling remedy.


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The refrigerant fluid used to carry out the test was R-404A in an evaporating temperature range between -36[degrees]C and -21[degrees]C and a condensing temperature range of 31[degrees]C to 49[degrees]C.
Available in 1/2 to 6HP configurations that are R-404A compatible, the new condensing units feature HyperCore microchannel coil technology to allow superior heat transfer capabilities and reduced refrigerant charges compared to standard copper-aluminum round tube plate fin (RTPF) coils.
Moreover, a conversion to R-404A would require several flushings to remove the mineral oil and replace it with polyolester oil, while the significantly higher pressures would require a modification of the condenser,C[yen] said Renganadhan.
 
 
 
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