| 摘要 |
In order to cool a room (1), a cooling element (3) fitted in the ceiling region is cooled to below freezing point, preferably to about -40.degree.C, during cooling phases so that the condensate forming thereon freezes immediately. During regeneration phases when the room (1) is not in use, the cooling element (3) is defrosted and the condensate is caught in a condensate tray (7) beneath the cooling element (3) and drained via a discharge (8). The great temperature difference also makes it possible to obtain a strong cooling effect with a small cooling element (3), especially by indirect radiation exchange between the room (1) and the cooling element (3) via an intermediate ceiling (9). In addition the air in the room is dehumidified since water vapour is deposited on and bonded to the cooling element (3) in the form of ice.
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