Short description
This standard is meant as a basis for room ventilating installations and free ventilating systems. It contains important definitions of the room ventilation technique and explains the duties, the classification, the systems and the elements of room ventilating systems. Furthermore, this standard contains information about the duties of free ventilating systems and explains the systems and elements for the free ventilation. Finally this standard contains the figures, units, formula signs and graphic symbols being used in the room ventilation technique.