THERMAL MANAGEMENT DEVICE FOR AN ELECTRIC OR HYBRID MOTOR VEHICLE

The present invention concerns a thermal management device comprising an indirect air-conditioning circuit () for a motor vehicle, comprising: a first refrigerant loop (A) comprising, in the direction of flow of the refrigerant, a compressor (), a two-fluid heat exchanger (), a first expansion device (), a first heat exchanger () arranged inside a first heating, ventilation and air-conditioning device (X), a second expansion device (), a second heat exchanger (), and a first bypass duct () comprising a first stop valve (), a first inner heat exchanger (), a second inner heat exchanger (′), a second bypass duct () comprising a third expansion device () arranged upstream from a first cooler (), a third bypass duct () comprising a first additional heat exchanger (′) arranged in a second heating, ventilation and air-conditioning device (Y), a second heat transfer fluid loop (B).