A good digital multimeter (DMM) is key to diagnosing compressor problems in general. For instance, in a previous article (May 15 issue of The NEWS) we discussed using the DMM to read suction and ...

A hermetic refrigerant motor compressor consists of a compressor and motor, both of which must be enclosed in _____ _____ _____, with no external shaft or shaft seals, with the motor operating in the ...

Long-time EC&M reader Joe Territo, president of Territo Electric in Ocoee, Fla., knows the importance of the requirements of Art. 440 and its growing role in facilities. A Territo client operates a ...

Underlying causes of AC unit noise . Loud noises from your AC system can stem from many different problems, but understanding ...

Want cold air in the summer or clear windows in the winter? Then you’ll want a functioning air-conditioning compressor. It is the power unit of the air-conditioning system that puts the refrigerant ...

Vehicle air conditioning is typically one of a car's most durable systems. Though it is often in use every day, a modern air conditioning system just keeps humming along providing cool air when you ...

Bob is a service technician who is well trained and nationally certified. However, he sometimes suffers from the same confusion that all technicians occasionally do - the facts that he gathers may or ...

Last month we discussed air-conditioning troubleshooting and how you can diagnose many of these problems yourself, including: • The need to have the old refrigerant reclaimed and the new refrigerant ...

A recently granted patent (Publication Number: US11879464B1) discloses a scroll-type electric compressor designed to compress refrigerant efficiently. The compressor comprises a housing with intake ...