Under normal conditions, there will always be a small amount of oil that escapes a compressor’s crankcase and is circulated with the refrigerant throughout the system. It is for this reason that refrigerant oil and the refrigerant itself must be soluble in one another. It is the velocity of the circulated refrigerant that carries the oil back to the compressor’s crankcase. If the two were not soluble in one another, this phenomenon could not happen.
In supermarkets, humidity not only impacts energy savings and customer comfort, but it also can have a major effect on the performance of a store’s refrigeration equipment.
Joe Carone, an instructor for the Sheet Metal, Air, Rail, and Transportation Workers (SMART) Local 265, in Carol Stream, Illinois, was chosen as The NEWS’ 2017 Best Instructor.
If you’re a technician working in the Northwestern U.S., you’ve likely heard of David Norman. Chances are you may even have his phone number. The 58-year-old instructor has built quite a reputation as the go-to guy for HVACR technical problems in the region.
Over and over again, I have heard HVACR technicians and electricians quote rules of thumb regarding wiring sizing, and I have witnessed and participated in many heated debates on the topic.
I was born in Manhattan. When I was young and starting out in this business, I typed a quote from Carnegie on good paper and put it in a frame. I hung it on the wall just above my typewriter and read it again and again.
Rick Downie, the manager of technical education for Bard Mfg. Co. Inc., has won the runner-up honors in the 2017 edition of The NEWS’ Best Trainer competition.
The Food Marketing Institute’s (FMI’s) 2017 Energy & Store Development Conference will be held September 24-27 at the Hilton Bonnet Creek in Orlando, Florida. The conference offers an opportunity for leaders of the food retail industry and their business partners to discuss new refrigeration technology, energy-efficiency and conservation, as well as refrigeration system and store design.
Hudson Technologies Inc. has entered into a definitive agreement to acquire Airgas Refrigerants Inc. (ARI). The transaction is expected to close before the end of the year.