| 摘要 |
This structure is of the type comprising a box structure 2-3 which serves to contain at least one auxiliary motor 12 which makes it possible to emit, through a grid 4, 9, flows of air which have been heated up through the use of a resistive element 8. According to the invention, it is characterised in that it comprises at least one acoustic and/or luminous warning device 15 which is connected to a detector 16 which places the resistive element 8 out of action when an incorrect operation of this heat convector is detected. <IMAGE>
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