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Thread: 2 Zone Question

  1. 05-29-2005, 06:18 AM #1
    jmm706
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    I have a 2 story house on a single Lennox unit. I am experiencing the typical "hotter upstairs than down stairs" syndrome. I am considering installing a Lennox LZP-2 zone system to divide the upstairs and downstairs into 2 zones. My unit is a split system heat pump with easy walk-in access to the air handler and trunk ducting. There are two trunk lines; one for upstairs and one for downstairs already. Anyone have a ballpark idea of what this would cost?
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  2. 05-29-2005, 07:29 AM #2
    dan sw fl
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    Wink E$timating de Zone

    Originally posted by jmm706
    I am considering installing a Lennox LZP-2 zone system to divide the upstairs and downstairs into 2 zones.

    There are two trunk lines; one for upstairs and one for downstairs already. Anyone have a ballpark idea of what this would cost?
    http://www.lennox.com/products/overview.asp?model=LZP2

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  3. 05-29-2005, 07:51 AM #3
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    beenthere
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    The site rules forbid us to give any pricing info.

    Since prices vary from area to area.

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    How many times must one fix something before it is fixed?
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  4. 05-29-2005, 09:35 PM #4
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    t527ed
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    what ever the price it would make a big difference in comfort. with ducts already split it should be a piece of cake to install dampers and wire up controls.
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  5. 05-30-2005, 06:06 AM #5
    jmm706
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    Thanks

    Thanks, I'll get them to give me an estimate.
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  6. 05-31-2005, 01:41 PM #6
    old yeller
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    I have the exact smae situation and have a honeywell EMM-3U controller ready to go in. I have a 12" for the upstairs and 2 10" for the downstairs.

    The upstairs is easy- one thermo- one damper. But how should I hook up the downstairs?

    1. Both dampers run off of one zone connection (possible overload?)
    2. OR wire the downstairs thermostat to the controller so that it looks like 2 thermostats running exactly the same mode all the time. then it would control 2 dampers on their own connections.

    Thanks in advance-

    Any damper recommendations are VERY welcome, also.
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  7. 05-31-2005, 08:57 PM #7
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    t527ed
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    have control for 2 damper zone pull in a relay, energize dampers thru relay contacts
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