With this setup, you'll connect the 24vac terminals of the humidistat to the c and w terminals at the furnace manage board. That way when the thermostat calls for heat, the humidistat may be powered through the furnaces transformer. This particular image (ecobee wiring diagram stunning best honeywell humidifier wiring diagram s electrical) formerly referred to is certainly branded the usage of: located surely via admin on 2017-eleven-02 07:32:24. To discover almost all pics during stylish ecobee wiring diagram photographs gallery you need to abide with the aid of this link. There is approaches to twine this up. The primary method is to take benefit of the hum terminal on the furnace manipulate board. This terminal will supply one hundred twenty volts while the furnace is strolling in warmth mode, so you'll should use an extra transformer.