Original message
| donelove1
 |  "Switching Thermostat"
, posted Sun 10 Aug 09:16  
Hello,
I have a Trane XR13 (cooling)/XR 80(heating system). I have a Trane 401 non-programmable thermostat. I would like to replace the Trane stat with a Lux9000TS. However, I realize the that Trane has a B not C common wire. From the circuit board at the furnace the wire connections ar C(blue), G(green), R (Red), W(white), Y(yellow). Everything matches at the stat except the C(blue) is connected at the B terminal at the stat. Would I not connect the blue wire to the C terminal of the Lux stat or would I tape it off? Thanks in advance for any help.
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Replies:
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| Houston204
| "Re(1):Switching Thermostat" , posted Sun 10 Aug 10:13
Connect blue to C as shown in the top diagram.
"Tip of the Day" Remember to remove power first.
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| | donelove1
| "Re(2):Switching Thermostat" , posted Sun 10 Aug 14:10
Will do. I will let you know how the installation turned out.
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