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Dan1 10-07-2007 02:43 PM

Odd Thermostat set-up, help needed
Hello Everyone,

I wondered if someone could help. I bought a new programmable thermostat (White Rodgers 150) and it has terminals for G, Y, O, W, B and a jumpered RH and RC.

However, my old Carrier one had wires hooked up to W2, Y, R, G, L, C, and E.

Would anyone have any clue how to re-connect?

redline 10-07-2007 03:21 PM

see the thread "facts about thermostats" in the HVAC forum by carrierman.

jwhite 10-07-2007 03:21 PM

Is your unit a heat pump?

J. V. 10-08-2007 12:12 PM

What color are the wires you plan to connect to the thermostat?
Also, do you have the manual that came with the unit? You may find your answer there.
A call to the new thermostat dealer/manufacturer may be able to tell you. How about the instruction manual that you got. It has a wiring diagram.
Google the thermostat. You may find help there too.

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