Replacing Honeywell T8411 with the Honeywell rth7600

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Old 03-29-10, 08:27 PM
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Question Replacing Honeywell T8411 with the Honeywell rth7600

I've gathered from prior threads that the rth7600 is highly recommended so I'm going to give it a try. This is my first attempt at a thermostat replacement so I want to make sure I have the wiring correct.

My wiring for the T8411 is:

G - Green
C - Blue
R - Red
W1 - Yellow
Y - None with jumper to W1
L - None
W2 - White
E - Black
B - None
O - Green

There is a brown wire that is stuffed and not connected to anything.

The furnace is a Bryant FK4CNF002 and the heat pump is a Bryant 697CNX030.

What will the wiring set up be for the new thermostat - Honeywell RTH7600?

I appreciate any information anyone can provide.
 
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Old 03-29-10, 09:37 PM
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Turn off power to the indoor unit before replacing your stat...

G = green
C = blue
Rc & R = red
Y = yellow
Aux = white
E = black
O/B = (I think you meant orange, but the wire that was on O)

set option 170 to 7
190 = 0



 
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Old 03-30-10, 08:02 AM
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Thanks for the information and color wiring diagrams. I did check my old wiring and there is a green for G and a lighter (almost pastel) green wire for O. Do I leave the unused brown wire as it is (stuffed in wall)?

Thanks again for your help and feedback.
 
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Old 03-30-10, 12:53 PM
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Thumbs up Job complete

Houston204,

Thanks for your help information. My thermostat is installed and everything seems to be running perfectly.

Thanks again.

 
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