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Thread: Honeywell VisionPro 8000 with Portable Comfort Control Installation problems

  1. #1
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    Honeywell VisionPro 8000 with Portable Comfort Control Installation problems

    I have an oil burner with hot water, (not electric) baseboard heat. My old thermostat for this heat only room was a 2 wire. I have installed the honeywell visionpro TH8110R1008 and it works fine. I would like to connect the Honeywell Portable Comfort Control rem5000r1001 because the original thermostat location is in a very bad spot near the door. I have extra wires coming out of the wall so I believe I can rig a common wire. See the pictures, in the top left corner to see where I've tried to rig my new common wire. There are 2 terminals labeled COM and 24VAC. I have tried both for my for my new common wire. When I hook up a multimeter at the thermostat, I get 24V when I touch the new common wire and one of my original 2 wires. When I hook up the thermostat and try to do the wireless set up, I get error 38 which I believe means there is no common wire. I'm stumped. How should the common wire be hooked up? If I buy the Honeywell Redlink Internet Gateway (which I don't want to do) could I get the Portable Comfort Control rem5000r1001 to work with just a 2 wire setup?

    Any thoughts would be greatly appreciated.Click image for larger version. 

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  2. #2
    HVAC Thermostat Specialist

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    You need 4 wires total for your specific setup.
    Switching Relay terminal to thermostat terminal:

    Com to C
    24VAC to Rc
    T to R
    T to W

    No, getting a gateway would still require a C connection. Any time you add a redlink device you must have a C connection.
    Last edited by hvactechfw; 12-21-2014 at 10:25 AM.

  3. #3
    Junior Member

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    Would I need a jumper between R and RC?
    Last edited by Bush8989; 12-21-2014 at 10:39 AM.

  4. #4
    HVAC Thermostat Specialist

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    sure, T and T are the thermostat connections on the top of the switching relay in your picture. It should also be noted that you need to remove the jumper between R and Rc on the thermostat.



    Click image for larger version. 

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    Last edited by hvactechfw; 12-21-2014 at 10:45 AM.

  5. #5
    Junior Member

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    Wow, how simple this was when I got the right advice! It works great. I couldn't be happier!

  6. #6
    HVAC Thermostat Specialist

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    Glad it worked out and you are happy!


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