I want to use a heating coil to heat the outdoor air prior to the outdoor air mixing with the airloop return air in the mixing box. The heating coil would be more efficient since the outdoor air is colder than the mixed outdoor air and airloop return air. However, I can't figure out how to place the heating coil since I only know how to place a heating coil in the airloop, not between the outdoor air node and outdoor air mixer. Any idea on how to do this?
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