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Thread: Device Manager and HVAC

  1. #1
    Join Date
    Mar 2003
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    328

    Default Device Manager and HVAC

    Will there be any standalone thermostats that will work with the new DM?

  2. #2
    Join Date
    Dec 2001
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    11,560

    Default

    Dave, if you have any in mind, post a link here. Most will be fairly easy to setup. Hence the beauty of the DM

  3. #3
    Join Date
    Mar 2003
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    Default

    By standalone I meant without the associated controller. I was thinking of the HAI RC-80 but it is rs232 and I would be worried about cable length. Maybe the April Air being rs-485 would be better.

    DAve

  4. #4
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    Dec 2001
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    Default

    Quote Originally Posted by DaveS View Post
    By standalone I meant without the associated controller. I was thinking of the HAI RC-80 but it is rs232 and I would be worried about cable length. Maybe the April Air being rs-485 would be better.

    DAve
    I think either would be fine. How far away do you have to run wires?

  5. #5
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    Mar 2003
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    Default

    One run will be about 75 feet and another about 90 feet. Seems kinda long for RS232. Although the RC80 only runs at 300 baud.

    Dave

  6. #6
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    May 2004
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  7. #7
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    Nov 2003
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    Hove, E Sussex, UK
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    Default

    You could use either a rs232 to 485 converter then back again, or an mss-100 from lantronix
    Thx, Dan

    Onwards and Upwards!
    http://www.danward.co.uk

  8. #8
    Join Date
    Mar 2003
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    Hey Rob thanks. according to this site one could get upwards of 150 ft with high quality cable and slow xfer speeds. Here I was thinking 50 ft max.

    I guess going back to my original query here -- will I have to write a plug in for the HAI RC-80 thermostat?

    Dave

  9. #9
    Join Date
    May 2004
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    Yes, you probably will, but we should be able to help if you can find the protocol document for it.
    --Rob

  10. #10
    Join Date
    Mar 2003
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    328

    Default

    Rob - does this look usefull?
    Attached Files Attached Files

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