I have a Trane weathertron XE1000 heat pump and I have the following wires coming in for the thermostat: yellow, green, red, orange, black, white, blue and brown. I am trying to hook up a Goodman Janitrol HPT 18-60 thermostat and the connectors inside are Y G R O W2 E and C. what wires go where? I currently have the yellow to y, green to g, red to r, orange to o, white to w2, brown to e, blue to c and black unhooked. everything seems to be running ok but the emergency heat strips seems to be running all the time causing my electric bill to skyrocket. PLEASE HELP!!!
Check to see if you have the system switch accidently on em. heat. The way you have it wired is correct except for the having brown on e. disconnect brown wire and cut ofbare end just in case they have the wire hooked up for constant run on roof.
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T can be cut and capped, B goes to C (common) and W should go to W2 or E, whichever is present. X2 may be used in multistage heat strips if memory serves, cutting and capping it should be safe but changes in the wiring inside of the air handler may be required to accommodate this thermostat. If you like you can try connecting W and X2 (presumably white and black wires) both to the W2/E on the new thermostat but I would recommend checking the wiring inside of the air handler first. The rest of the terminals should be labeled the same.
OK. Here is a Trane Weathertron BAYSTAT240 thermostat wiring picture. This heat pump w/ electric (emergency) heaters is running right now. Notice the G terminal has green wire, the R terminal has red wire, the white wire is jumpered from W to X2, etc. The black wire loop you see in the center hole is unconnected.
This unit is adjusted by leveling the base - loosen the screw to the left of "R" and the one to the right of "F". Twist the base clockwise to RAISE the indicator. This makes the mercury in the switch turn ON at a different temperature. Remember to tighten those 2 screws again.
You will have to experiment several times to make the unit read exactly right. If the tech installed the base exactly level, the unit would read right (it says here).