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  1. Defrost Cycle No Auxiliary Heat

    Hello, I'd like to potentially determine the cause for no aux heat during the defrost cycle on our heatpump and correct the strip staging. Given: I have a Honeywell TH6220 Stat, Trane XL14i condenser and 4TEC3F60B Air Handler with 3 strips BAYhtr3415000. The condenser has an ODT-A...