Furnace Control Board Wiring Diagram Relay. Wiring humidifier directly to furnace board doityourself com community forums. But it doesnt mean connection between the cables.
Locating the required 24v common wire customer support. Install wiring harness adapter part 328151 701 to three connections of the existing furnace wiring harness. Electric furnace relay installation instructions.
Youll also need to know the furnaces sequence of operations.
The wiring diagram is useful for figuring out what points you need to test. But it doesnt mean connection between the cables. Injunction of 2 wires is generally indicated by black dot on the junction of 2 lines. Each component ought to be placed and connected with different parts in particular way.