First of congratulations on your purchase. To answer your question, don't set any peramiters in your controller as this will limit your furnaces ability to learn. The system you have has an intelligent staging if you let it teach its self. It will learn the required heat load as well as your required cooling load. This will keep your system as efficient as it was designed.
Character is doing the right thing even when no one is looking. Intelligence is understanding and practicing the meaning of character.