Questions on Thermostat Wiring

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Old 12-14-08, 05:59 PM
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Questions on Thermostat Wiring

Hello,
I'm installing a Bryant (Model 394GAW024050) Gas Furnace is my shop and have bought a Honeywell programmable electronic thermostat to go along with it. I'm having trouble figuring out the wiring for the thermostat.
I've bought the five wire setup with Red, white, green, blue, and yellow.
The connections on the thermostat are as follows:
Rh, Rc, W, Y, and G. The instructions are very clear as to their connections.
Here is where the confusion starts, the Bryant Furnace, which is not too old, has the following terminals: C, Y, GC, GH, R, W
I've tried researching this on the internet and have found nothing yet.
Please help

Eric
 
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Old 12-14-08, 06:23 PM
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for now R to W is heat ......put power up and jump those at the furnace and watch it cycle on that C on the bryant is the other sode of the 24Vs from the furnace TR might need it to make the stat run the furnace...if you see no C on the subbase guess not then!
 
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Old 12-15-08, 06:34 PM
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T-stat---------------Furnace

Rh/Rc (Jumper together)-----R
W------------------------------W
Y--------------------------------Y------ To A/C
G---------------------------GC or GH

C is not hooked since this stat don't have it, so will have a wire at the Furnace from the A/C.


GH is going to run the blower in heating speed. (slower)
Gc is going to run it in cooling speed. (faster) It's up to you what you want to blower to run at if you run your fan ON mode at the t-stat.

In the setting menu, set the CPH to 3.
 
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