A thermal functional block for a vehicle, includes a functional block inlet, a three-way valve including a valve inlet, a first valve outlet and a second valve outlet, a first coupling point positioned downstream of the first valve outlet, a first heat exchanger positioned downstream of the first coupling point, a splitter having a splitter inlet, a first splitter outlet, and a second splitter outlet, a pump coupled to and downstream of the first splitter outlet, a first check valve positioned downstream of the pump, a second heat exchanger positioned downstream of the first check valve, a second check valve positioned downstream of the second outlet of the splitter, a second coupling point positioned downstream of the second check valve, a functional block outlet, and a bypass coupled to the second outlet of the three-way valve and to the second coupling point.
