| 摘要 |
The present invention provides a supply air device, which consists of a body part (1) having a connection to outdoor air through an outdoor air duct (2), and which supply air device contains a fan (3), which blows outdoor air (4) into the room space, and which supply air device includes a return air control system for said room space. The control system is composed of height-adjustable legs (6) in between the body part (1) and wall (5). |
