Atwood 8520-Iv-Dclp Wiring Diagram. When turned on the fan kicks on and a few second later the furnace. As the valve opens, the board. Atwood Furnace Wiring Diagram Sample from wholefoodsonabudget.com I have a 2002 bounder 39r with two atwood 8520 iv dclp furnaces. Atwood furnace parts 8531 8535 ii 8520 flame hydro diagram 8525 […]