This package has an intuitive operator touchscreen to access the HVAC H300 VFD and bypass setup options. It also displays complete system status information.
In HVAC, we rarely need to have a deep understanding of electrical design. But there are a few cases where a little understanding can go a long way in identifying issues before they cause trouble, and that is the intent of this short article.
Regal Beloit Corp. has become an expert in FER compliance by redesigning its products to meet the new standards, including the Genteq® Ensite® motor, DEC Star® blower assemblies, and a new electronically commutated motor (ECM) to provide FER compliance for entry-level fans. These products were on display at the 2019 AHR Expo.
Location isn’t everything, but it helps. Just ask homeowners selling their property, or restaurant owners. In the HVAC world, it also rings true for some motors and drives and the professionals who work with them. That includes contractors, even if maybe not in the way that one would expect. Some current and next-gen drives will make location matter in a new way: Contractors can spend more time further away from the equipment itself.
For HVAC pros interested in motors and drives, Tuesday afternoon at this year’s AHR Expo in Atlanta featured a good chance to give the feet a rest and focus on the mind for a while. Air-Conditioning, Heating and Refrigeration Institute (AHRI) presented a three-phase session called VFDs: Method of Laboratory Test and a Case Study.
When Independence Day rolls around this year, many manufacturing leaders will fire up the grill with a sigh of relief. Not only will they have the day off, but they will enjoy the first day of freedom from what has been five years of preparations for the first national efficiency standards for furnace fans.
Energy represents the single fastest-growing operating cost in the lodging industry, according to the Department of Energy (DOE). Decisions on guest room equipment amplify by dozens or hundreds in a single property. The mechanical systems work on such a scale that any amount of waste can add up to a significant financial loss or missed opportunity while, on the other hand, minor savings in one area can accumulate to an appreciable gain.