Carrier Infinity Control thermostat problem

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Not sure if anyone brought it up or not, but:
What is the wall like where the thermostat (interface) is mounted? If the installer left a good size hole (behind the thermostat) and you have a "draft" coming through it, that can really have an affect (or is that Effect?) on the operation.
Just a thought...
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The new thermostat is in the same place as our old thermostat. I didn't see them actual do the install but the old one was much small than the new one so I assume the hole is not big. I don't think they would have needed to make the hole any larger? I certainly don't see any space around it or feel any draft. Also it's an inside wall.
Good thought though.
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Inside walls will get drafts too, but enough of that....;-]
You know how they sell "gaskets" to put behind faceplates for switches and outlets in your house? That's kind of the same idea. Even a "figer-size" hole can let enough of a draft in to mess with the thermostat. The only thing is, if it didn't affect the old one, I don't see how it could now.
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Did he run new wires, I bet he did with a fancy Ifinity and old wires might have had hole sealed with caulk, you wont feel anything. Remove it and the plate and caulk the hole. Be sure mains furnace power is off and thermostat set to off first. Id say installer just missed this, but since you say he has many issues with other customers hes a hack. probably new in the trade. But im no pro either, just guessing.
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replying to googlemail2003, Jheengr wrote:

Yes, I have a problem with mine also. Won't program, doesn't shoe inside temp, and the backlight won't turn off. Contacted Carrier and asked to replace but they won't, and dealer wants to charge $99 labor to unplug old and plug new.
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Jheengr wrote:

properly? I have same system but I don't use Carrier thermostat, I installed Honeywell wireless one and set it up myself.
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