Ecobee :
1. No C Wiring : (a) Connect R C Y W G from Sensor to Furnace control board. (b) Connect just R Y W G to thermostat Rc Y W G
2. RCC+ to Humidifier solenoid and the other terminate of the solenoid to C
3. Humidity Offset Correction : Menu/Settings/Installation Settings/Thresholds/Humidity Correction [-.....+]
HneyWellRTH6350_6450_ RET93E_95E , RTH7600 Series Thermostat Wiring full , T'statwiring
