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Honeywell FocusPRO TH6110D auto-changeover unavailable

I tried answering your question about whether I used the Install Test, but I am new here and I don't know if it posted.

Yes, I went through the schedule and the Install Test where you test heat, cool and fan. They all work fine and checked out. This thermostat has a disply that offers off, cool and heat like regular thermostats, but it is also supposed to auto-changeover between heat and cool. On the LCD display heat and cool and off are offered, but not Auto for auto-changeover.
The manual mentions that there has to be a 3 degree difference between heat and cool settings and I have it at 72 and 77, so this should not be the problem.
The system has 4 wires and the factory installed a jumper to (Iassume) power both the heat and AC transformers. It was on in the old thermostat so I left it on in this installation.

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Do you still have your setup manual go through the setup functions

Posted on Nov 25, 2008

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