In this website we advocate many pics approximately york wiring diagrams that we've accrued from numerous web sites from many picture concept, and of route what we suggest is the maximum brilliant of picture for york wiring diagrams air con . If you want the photograph on our internet site, please do not hesitate to visit again and get notion from all the houses inside the photo of our internet photo. The yellow and blue wires have to be related to w and c of the manipulate board. You may want to attach them in which the thermostat cord is attached. Doing this may provide your humidifier/humidistat energy while the furnace is in a heating cycle. With this setup, you'll connect the 24vac terminals of the humidistat to the c and w terminals on the furnace control board. That manner whilst the thermostat calls for heat, the humidistat will be powered by using the furnaces transformer.