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 ...

When troubleshooting a compressor, apps like the HVACR Fault Finder app and Copeland™ mobile app from Emerson Climate Technologies can help service technicians determine the possible causes of the ...

Years ago, we used to enjoy watching diehard ARB-equipped off-road enthusiasts stubbornly (and slowly) fill up their tires using their own ARB on-board air compressors—even when another air source was ...

Article 440 applies to electrically driven air-conditioning (A/C) and refrigeration equipment. Each equipment manufacturer has the compressor motor built to its own specifications. The motors are ...