This European Standard specifies the requirements and test methods for the construction, safety, and marking of domestic direct gas-fired tumble dryers, of types B22D and B23D, of nominal heat input not exceeding 6 kW, hereafter referred to as """"appliances"""".This European Standard does not apply to:a) catalytic combustion appliances;b) appliances designed exclusively for industrial purposes;c) appliances intended to be used in locations where special conditions prevail, such as the presence of a corrosive or explosive atmosphere;d) appliances of the condensing type wherein the heated air and products of combustion used for the drying process are dehumid