THIS DEVICE IS THE TYPE IN WHICH THE TRANSFER frigorias, between the reserve (2) and the lower compartment (10) separated by an insulating wall (3A) is provided by a heat pipe PERFORMED IN MATERIAL GOOD CONDUCTOR OF HEAT AND cONTAINS, under vacuum, a heat transfer fluid. According to the invention TUBE THERMAL consists of a plate (7) EXCHANGE AND ADJUSTING ARRANGED ON PRECINCT (10), this plate (7) having an internal network snaking (6) for heat transfer fluid, AND one hand, at least one detector (5, 5A) TUBE COMMUNICATING WITH ANTECITADA RED AND ENTERS IN RESERVE (2) and mounted swingably about a transverse horizontal axis between an exchange position (A) , WHICH IS LEANING FROM TOP TO BOTTOM PARTIENDO PIPE DETECTOR, AND A POSITION OF STABILIZATION (B), WHICH IS LEANING iNVERSELY, the said plate (7) connected to drive means (11 and 9, 28, 28A) CONTROLLING YOUR SWING BY PLANE HORIZONTAL AMBASPARTES DEPENDING ON THE TEMPERATURE IN THE PREMISES (10).
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