A system with return plenums would have a zone return air path in which the conditioned zones connect to the return plenum inlets and the return plenums outlets connect to a single zone mixer.
A system with return plenums would have a zone return air path in which the conditioned zones connect to the return plenum inlets and the return plenums outlets connect to a single zone mixer.
具有回风静压箱的系统应该具备一个区域回风路径，其中空调区连接到回风静压箱的入口处，回风静压箱的出口连接到单个区域混风箱。