10/5/2023 0 Comments Ashrae 90.1-1999![]() The tabular approach was continued in the ASHRAE 90.1-2001 and ASHRAE-2004 Standard. Interpolation is required between the operating points, but extrapolation is not allowed There is a calculation equation which approximates the tables, but is not exact and the controlling requirement is the table. It was first introduced in the ASHRAE 90.1-1999 Standard using a tabular approach and tables are used to determine the revised COP. The procedure adjusts the minimum efficiency requirements based on the kadj calculation factor which is a function of lift and chilled water conditions
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