Does anyone know where I can download some info. for a York AHU model-F4FP042H06T2AA serial-AOG6596756 ie. the logic board. the fan runs all the time,even when I lift the wire off G term.
check the heat strip limit switch, i have had several that are bad and the fan runs all the time on that unit if that switch is open
The 2008 NATE TOP TECH!!!!!
Perhaps you should have read the instructions before calling.
If there are no heaters installed you need to have the no heat plug installed on the board (white plug with one jumper wire in it).