This tech tip was written by Don Gillis with Chemours. Thanks, Don! The shift to R-410A from R-22 brought some pretty big changes to the industry, including the shift to polyolester (POE) oil. We had been using mineral oil for CFC refrigerants like R-12 and HCFCs like R-22, so we had to update some of […]

MATLAB Handle Graphics It was December 5th, 1952, only seven years after the end of WWII in London, England, when the “great smog” settled across the city. The “great smog” was the result of a meteorological anomaly combined with unchecked industrial pollution. Still, even once it settled on the city, bringing business to a screeching […]

Take a look at the specs from this Copeland scroll compressor pulled from the Copeland Mobile App (which is an incredible app, by the way). These specs are for a single-phase compressor, so the amperages listed are based on an amperage reading from the wire connected to the common terminal. LRA is the locked rotor […]