Hydronic heating only

wiring dip switches cnt/bsc switch cnt (control) enables smart thermal battery functionality bsc (basic) enables dhw and limited heating with no smart thermal battery functionality basic can provide service continuity in case of controller issues until those issues are fixed frn/hp switch use hp for heat pump protocol wiring, and frn for furnace protocol wiring o/b switch set this switch to choose the correction operation of the reversing valve of the dx heat pump outdoor unit std/cold switch set to std unless you are in a climate with a heating design temperature below 20f