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    heshy's Avatar
    heshy Posts: 1, Reputation: 1
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    #1

    May 19, 2017, 10:25 AM
    Replacing a Honeywell T6069D thermostat
    Condominium type Thermostat Both do not operate in Auto position. Six wire system. Brown, blue, red for fan motor; yellow and orange for Aquastat (?) and
    Black to L1. Separate Heat/Cool switch.
    talaniman's Avatar
    talaniman Posts: 54,327, Reputation: 10855
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    #2

    Jun 10, 2017, 07:01 AM
    Do your thermostats operate MANUALLY? Review your settings for both thermostats. To operate on auto you have to lower temp settings for AC, below ambient temp, and raise temp setting for heat. This may take a few minutes to activate heat/cool



    http://www.ehow.com/way_5243592_hone...eshooting.html

    If neither of these actions turn the heater or air conditioner on, remove the cover to verify the small colored wires are connected properly inside the unit as per the color-coded wiring diagram in the user manual. If the wiring is fine, the problem could be a problem with the heater or air conditioner, or you may have to replace the thermostat because of its age.
    I recommend a qualified technician to check your system and replace/upgrade to digital 6 wire stats if needed.
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