| 摘要 |
<p>An arrangement for aerating and ventilating or air-conditioning premises comprises at least one air inlet opening (8) and at least two outgoing air openings or extraction openings (7). The outgoing air openings or extraction openings are provided in the area of the ceiling itself, and the extraction capacity is, in total, greater than the amount of incoming air (Z). The amount of extracted air inside the openings (7) can be controlled. The amount can be controlled based on the composition of the air measured or determined in the area of each opening.</p> |
