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  • Users: AKHou
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  1. AKHou

    Load Bank Testing Stationary Generators in Buildings

    Should we continue to load bank test the emergency generators in our office buildings at 100% of name plate rating (per NFPA 110) even though the building's emergency power systems connected to the generator represent less than 80% of the generator's name plate rating. We understand the...
  2. AKHou

    Refrigerants

    We are retrofitting our Central Plant. Two original chillers with R-11 will be accompanied by two new R-134a refrigerant chillers. Should we be concerned with housing these two different refrigerants in a small central plant?
  3. AKHou

    Heat Transfer Efficiency

    There's some debate in this camp regarding the gained (or lossed) efficiency with improving the heat transfer of a constant air volume air handler by cleaning the coil. Assume a 20-story building with air handlers on every floor and a central plant chiller cooling a cold water loop. One...
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