scope:

This European Standard specifies the requirements and test methods for rational use of energy of gas-fired type B tumble dryers not exceeding a nominal heat input of 20 kW and with drum volume not exceeding 350 l, hereafter referred to as "Appliances".

This European Standard applies to types B₂₂ and B₂₃ direct gas-fired appliances and to types B₁₁ and B_11BS indirect gas-fired appliances.

This Standard does not apply to:

a) catalytic combustion appliances;

b) appliances intended to be used in locations where special conditions prevail, such as the presence of a corrosive or explosive atmosphere;

c) appliances of the condensing type wherein the heated air and products of combustion used for the drying process are dehumidified by cooling with water or air;

d) appliances intended to be used in vehicles or on board ships or aircraft;

e) appliances of types B_22D and B_23D.

This standard covers type testing only.