| 摘要 |
In order to be able to control with respect to time the room temperature, especially the level of the reduction in the room temperature in the case of an electrical heater, for example in the case of a convector, an additional apparatus (7) is provided which consists of a time switch (9) and a heating resistor (8) and which is arranged such that it can be plugged and clamped by means of corresponding holders to the heater (1) or to its housing, and which is constructed in the manner of an electronic clock module, heat being produced by the heating resistor (8) during the reduction times, which heat additionally acts on the temperature sensor (4) in the heater (1). <IMAGE>
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