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I have a Honeywell Chronotherm IV Plus a/c unit and I can't get my air condt. to turn on. The room temp. says it's 17 degrees in the house so it won't turn on. I need to know how to reset the room tempt. reading.

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Not only are the Chronotherm IV's less than user friendly, they have a terrible failure rate. It sounds like one of the typical failures of the chronotherm IV. I suggest starting with a new thermostat.

Posted on Jun 12, 2008

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