Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors - Heating mode - Part 4: Requirements for space heating and sanitary hot water units

This part of EN 255 specifies minimum requirements which ensure that an air or water cooled air conditioner, liquid chilling packages, air/air, water/air or water/water heat pump, with electrically driven compressor, is fitted for theuse designated by the manufacturer, when used for space heating or for hot sanitary water. When these units are used for space cooling, then prEN 814-3 applies; when these units are used for cooling and heat recovery, then prEN 12055 applies.