A five" lengthy brown wire within the cord harness at the low hearth stress transfer affords 24 vac humidifier control. This twine is powered any time the stress transfer is closed. To connect 24 vac hum, connect the 24 vac line of the humidifier to the five" brown cord. The relationship can be made by either stripping the twine and using a wire nut or by the use of a field furnished short join terminal. The wiring need to conform to all neighborhood and national codes. Connect the com aspect of the humidifier to the c terminal at the furnace manipulate board (or to the com facet of the 24 vac transformer). Do now not join 115v humidifier to these terminals.