BS 4788:1989 Specification for rating and performance of dehumidifiers incorporating electrically operated refrigeration systems
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BS 4788:1989 applies to electrically refrigerated dehumidifier units with an electrical input rating of up to 25 kW. It provides standardized methods for: Rating the dehumidifying capacity and corresponding electrical input. Defining test conditions under which ratings are determined. Specifying performance assessment procedures. Establishing tolerances on test conditions. Requiring marking of ratings and performance data