Thank you for the manual. My outside unit is a 2 1/2 ton,. as it is a Trane XE1200, TTP030D100AO
According to the manual, switch setting for Normal operation should be :. OFF. ON. OFF. OFF I'm assuming the manual refers to board dip switch labelled " S3 " ?My board actually has three dip switchesS1. Only a two switch dip:... 2,3
S3. A four switch dip:... 1,2,3,4
S4. A four switch dip:... 5,6,73Does manual refer to Switch 3. "S3" settings?Where is setting chart for Switch 4 ? And Switch 1 ?My Switch S3 is set to On,Off,On,Off .....which is not even listed in manual.Can you give description/diagram of each terminal wire/color connection on the IFC board, as to what they should be connected to? Also, what terminals should be jumpered for operation? My IFC board is :. D341420P01. Rev B.. I believe I have the multi-speed programmable motor, it is D341313P04,. ...Mod 00819My System:.
IFC board terminals:
Blk/Twin, W2, W1, R, G, B/C, Y, Ylo, O......9 terminals total.Wires coming into IFC board from:Thermostat: ....Red, White, Green, Yellow
Outside AC unit,
....- Red, Wht. (I believe start relay)
....- Green, Blue ( I believe Temp sensor)Humidifier
......White:. (Goes to 24VAC transformer)I have a 4 wire Hunter Programmable Thermostat about 2 years old.