scope:

This European Standard applies to electronic equipment which controls electrical heating. In this European Standard, equipments are tested to verify conformity with technical characteristics of the materials given by the manufacturer. The particular equipment to which this European Standard applies covers both: -stand-alone start optimisers or start-stop optimisers, taking priority to the main controller during periods; -controllers which contain an integrated optimum start or an optimum start-stop control function; -Electrical equipment which includes this function, may includes other.