scope:

This European standard specifies the safety, constructional and performance requirements for multifunctional controls for gas burners and gas appliances, hereafter referred to as multifunctional controls. It also gives the test procedures for evaluating these requirements and information necessary to the purchaser and the user. It applies to multifunctional controls of nominal connection size up to and including DN 50 with a declared maximum working pressure up to and including 200 mbar for use on burners or in appliances for use with one or more fuel gases of the 1st, 2nd or 3rd families. It applies to multifunctional controls with at least two of the following functions: - automatic shut-off valves; - flame supervision; - control valves; - gas pressure governors; - manually operated valves; - mechanical thermostat; - gas pressure switch. Multifunctional controls complying with this standard may also include additional features (e.g. igniters, timers).