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  1. Here is a thread with some info on the X terminal...

    Here is a thread with some info on the X terminal
    https://www.thermostatforums.com/showthread.php?1699-x-terminal-on-Honeywell-what-is-that


    Your white wire is for emergency/Aux heat.
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    I was thinking that you had a zone controller...

    I was thinking that you had a zone controller because HVAC terminals that are destinated as both Y/O or W/B is not typical. Can you add some pictures of your system (thermostat terminals, thermostat...
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    Do you know if your system has a zone controller?

    Do you know if your system has a zone controller?
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    Does your unit have a float that is wired to shut...

    Does your unit have a float that is wired to shut down your unit if the pan is full?
  5. Stuff Y to G at the air handler correct?

    Stuff Y to G at the air handler correct?
  6. If the thermostat cable that has the white,...

    If the thermostat cable that has the white, black, blue and orange wires wrap around it is the same thermostat cable going to your cooling thermostat all you need to do is use one of the wire that is...
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    Yes it does. Here are some screen shots of the...

    Yes it does. Here are some screen shots of the web interface

    1701
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    You will need to find out what the control signal...

    You will need to find out what the control signal is (24vac, millivolt or line voltage 120/240) on your heat thermostats prior to determining what it will take to combine the heat and A/C thermostats...
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    Thanks for providing feedback

    Thanks for providing feedback
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    The red and white wires connect to the Ecobee....

    The red and white wires connect to the Ecobee. The blue and orange wire connect to the humidifier.
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    It should not matter but with the issues that you...

    It should not matter but with the issues that you are having I was thinking it would be and easy test to run.




    Trying it without the jumper would be a good test. If you try this test with...
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    Is the factory RC/R jumper installed? Have you...

    Is the factory RC/R jumper installed? Have you tried moving the R wire to the RC terminal at the thermostat? Have you verified the W and R wires are connected to the correct terminals at the furnace...
  13. Look like you may have a heat pump. Did you try...

    Look like you may have a heat pump. Did you try to configure the thermostat as a heat pump. If your system did not work correctly when you set it up as a heat pump did you try to change "Type of...
  14. I have tried to test the TH9320WF5003 Wi-Fi 9000...

    I have tried to test the TH9320WF5003 Wi-Fi 9000 that I have but I have not been able to duplicate the "Switch to Permanent Hold" issue that you have. Please let us know if you are able fix the fix...
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    Do you have a wiring diagram of your life breath...

    Do you have a wiring diagram of your life breath dehumidifier that you could upload?
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    Take a look at this thread for some general...

    Take a look at this thread for some general information on this subject
    ...
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    Is the wired outdoor sensor connected to your...

    Is the wired outdoor sensor connected to your Venstar T7850 or is the wired outdoor sensor just connected to the thermostat wiring at the heat pump?
  18. Checking the common wire on the outdoor...

    Checking the common wire on the outdoor condensing unit will not confirm the common on the wiring going from the thermostat to the indoor air handling unit.
  19. it is imposable to go by colors alone. There are...

    it is imposable to go by colors alone. There are some standards for thermostat wire colors like yellow for cooling but as you can see your system is not wired that way. The best way to check the...
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    The Venstar T7900 will only operate with one 24...

    The Venstar T7900 will only operate with one 24 volt transformer. The Venstar value series thermostats have the ability to run off of a two transformer system
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    Using the wiring diagram below you would need two...

    Using the wiring diagram below you would need two relays. The existing Ecobee wiring for the fan, cooling and heating would remain the same. With this wiring you will need to change your Ecobee setup...
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    Are you saying the humidifier does not have its...

    Are you saying the humidifier does not have its own thermostat? What terminals in the humidifier do the ACC+ and ACC- wires connect to? When you setup the Ecobee did you select 2 wire or 1 wire for...
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    You could add relays that would allow either...

    You could add relays that would allow either thermostat to energize the humidifier. To come up with a way to wire the relays can you tell us if the humidifier has it’s own transformer? What terminals...
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    Does your system have a zone controller? Does...

    Does your system have a zone controller? Does your system have one or two furnaces.
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    The Lyric is not going to be compatible with your...

    The Lyric is not going to be compatible with your existing thermostat. Your existing thermostat is a line voltage thermostat. Make sure the breaker is off. The black and white wire may have high...
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