This European Standard specifies the safety, construction and performance requirements for automatic burner control systems, programming units and flame detector devices, intended for for similar usages, with gas and oil burners and gas and oil burning appliances, with or without fans. These devices are hereafter referred to generally as "automatic burner control systems”. This European Standard is applicable to automatic burner control systems that include additional functions. This European Standard does not cover automatic burner control systems utilizing thermo-electric flame supervision devices. NOTE 1 – European Standards for burners, appliances or processes which use automatic burner control systems, programming units or flame detectors can override the requirements of this standard. NOTE 2 – Provisions for production control are not part of this European Standard.