Patent attributes
A rooftop HVAC unit includes a cabinet, an energy recovery wheel, dampers, and a controller. The energy recovery wheel is configured to be mounted within the cabinet. The energy recovery wheel is configured to transfer heat between an outdoor air stream and a return air stream when in an operational mode, and is further configured not to transfer heat between the outdoor air stream and the return air stream when in a bypass mode. The dampers can direct the outdoor air stream and return air stream through the rooftop HVAC unit, either through the energy recovery wheel or around the energy recovery wheel. The controller is configured to adjust the dampers based on a selection between the operational mode and bypass mode of the energy recovery wheel.
