| 摘要 |
An elongated right parallelepiped cooling element has a housing comprising a horizontal ceiling which forms a flat top surface which is about 2 mm below a room ceiling. Downward-projecting side parts, which hold a horizontal air-permeable wall at the bottom, connect to the ceiling. Arranged in the housing is an antechamber which is connected to an air connection and, at the top, has transverse slots distributed over its length. Air outlets distributed uniformly along a center line are arranged in the top surface. Beneath the ceiling, a pipe extends along an edge, through which pipe cooling liquid, possibly also heating liquid, can be passed. As a result, a room temperature in the comfort range can be maintained during working hours when the cooling air supply is always sufficient but not unnecessarily high. In addition, the room ceiling can be precooled without cooling air or even preheated outside working hours.
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