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Troubleshooting the Digital Round Honeywell T8775A,C Thermostat in a heat/cool setup

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JustSammy
JustSammy Member Posts: 1
in Thermostats and Controls
I replaced my classic mercury Honeywell round thermostat wire-for-wire after taking a reference photo of the old installed back plate (white wire corresponded to the yellow terminal, blue to the white terminal).  DIP switches are set to off for circulated water.



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The solution to this install problem is that the device waits 5 minutes before turning the fan on. It works fine as I installed it. Thanks for your interest.

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  • Empire_2
    Empire_2 Member Posts: 2,343
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    More info needed

    Please list what kind of equipment you have.  Did you say circ. water?  4 wires 3 circuits...Heat cool and fan, that's it.



    Mike T.
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