| 摘要 |
The invention relates to a method of controlling the thermal energy consumption of a washer-drier, more especially a waste air drier, having a drying chamber with an air inlet and an air outlet, a heating means disposed in front of the air inlet and a program control means mu c for actuating the heating means which comprises two heating resistors R1, R2 connected to the mains voltage supply of the drier via switches of two relays S1, S2. With washer-driers, it is known to control the thermal energy in dependence on a temperature value measured during the drying process. In order to reduce the consumption of electrical energy of a drier, more especially a waste air drier, by intensive utilisation of the environmental (solar) energy on warm days, an ambient air temperature value TR is measured via at least one temperature sensor (via signal input 4) prior to the heating device being set in operation, and the heating means is actuated by the program control means mu c in dependence on the ambient air temperature value TR. <IMAGE>
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