Operating instructions
02/14/2006 12  NI806 
Electric Furnace Control – Inside View, Right Board 
Green, next to Fuse 
24-volt power connected and fuse good. 
Red, next to W 
Call for electric heat, also represents the input signal (yellow wire) to the WarmFlo control board. 
Green, Cool 
Conventional H/C stat has an active Y function or heat pump stat reversing valve is in the cool mode (will 
depend upon proper setup with RV logic jumper). For 2-speed AC this LED is illuminating during high 
speed. 
Amber 
Represents action within ECM™ blower motor. Factory technician troubleshooting only. 










