BS EN 14511-1. Air conditioners, liquid chilling packages and heat pumps for space heating and cooling and process chillers, with electrically driven compressors. Part 1. Terms and definitions|Air-conditioning equipment, Liquids, Performance, Heating equipment, Air conditioners, Water, Compressors, Coolers, Ratings, Cooling equipment, Vocabulary, Space-heating systems, Heat pumps, Air, Electrically-operated devices, Air-conditioning systems, Condensers, Definitions, Heat transfer, Refrigerating systems, Air coolers, Cooling