HEAT MANAGEMENT SYSTEM

The heat management system includes a power storage device in a first channel, a drive device in a second channel, a radiator in a third channel, a chiller device in a fourth channel, and a switching device. In a heat management system, when making the temperature of a plurality of power storage cells uniform, a first connected channel in which a first channel and a fourth channel are connected, and a second channel and a third channel are connected. The switching device is controlled so that the second connected channels that have been connected are separated from each other and become independent.