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A 69-year-old Florida man pled guilty to conspiring to violate the CAA by importing over 300,000 kilograms of illegal R-22, worth over $1.5 million, into the U.S. from China.
While some may be concerned over whether recovery and reclamation efforts will be sufficient to meet the industry’s needs going forward, reclaimers are adamant that R-22 is still widely available, affordable, and legal.
HFO blends are not drop-in refrigerants, and modifications usually have to be made to the equipment before they are used. However, following the guidelines from experts in the industry can help ensure a smooth transition.
Daikin America Inc., a wholly-owned subsidiary of Daikin Industries Ltd, has completed the first United States retrofit installation of its new low global-warming potential (GWP) refrigerant, Creard R-407H, in the refrigeration system of a cold storage warehouse. Creard R-407H was used to replace the system’s existing R-22, and this successful conversion demonstrates that this new refrigerant from Daikin is an ideal option for similar conversions from R-22.
This troubleshooting problem involves a 5-ton, R-22 rooftop air conditioning unit, and the customer’s complaint is that on days when the ambient temperature exceeds 90°F, the system doesn’t keep the store, which was recently remodeled, comfortable even though it seems to be running continuously.
For many years, R-22 was the refrigerant of choice for commercial and residential air conditioning and heat pump systems. Supermarket refrigeration systems, industrial centrifugal chillers, and industrial cooling applications also used R-22.