PRIMARY HEAT EXCHANGER CROSSOVER BYPASS MANIFOLD

摘要

An aircraft is provided including an environmental control system (ECS) having a first ECS pack and a second ECS pack. A duct couples the first ECS pack to the second ECS pack. The duct includes a first bypass conduit configured to form a bypass around a first primary heat exchanger of the first ECS pack. A second bypass conduit configured to form a bypass around a second primary heat exchanger of the second ECS pack. The duct includes a crossover conduit extending between the first bypass conduit and the second bypass conduit. The duct includes a plurality of valves for selectively controlling a flow between the first bypass conduit and the second bypass conduit.