Heating/cooling circuit for an air-conditioning system of a motor vehicle, air-conditioning system and a method for controlling the same

摘要

The invention relates to a heating/cooling circuit for a motor vehicle comprising an evaporator (14) for cooling air to be fed into an interior space, a heat exchanger (16) for heating said air to be fed into the interior space, an external heat exchanger (22) comprising a compressor for transporting coolant, a first expansion organ (28), allocated to the evaporator (14), a second expansion organ (30), allocated to the external heat exchanger (22) and coolant conduits (L₁ to L₁₂), via which the aforementioned components are interconnected. The compressor (24), the external heat exchanger (22) and the second expansion organ (30) constitute a de-icing circuit of the inventive circuit.