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Thread: 2 Zone Question

  1. #1
    Join Date
    Apr 2005
    Posts
    9
    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?

  2. #2
    Join Date
    Nov 2004
    Location
    SW FL
    Posts
    6,428

    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. #3
    Join Date
    Jan 2004
    Location
    PA
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    68,763
    The site rules forbid us to give any pricing info.

    Since prices vary from area to area.

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  4. #4
    Join Date
    Mar 2005
    Location
    burlington county n.j.
    Posts
    9,763
    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.

  5. #5
    Join Date
    Apr 2005
    Posts
    9

    Thanks

    Thanks, I'll get them to give me an estimate.

  6. #6
    Join Date
    Jun 2004
    Location
    Dallas
    Posts
    179
    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.

  7. #7
    Join Date
    Mar 2005
    Location
    burlington county n.j.
    Posts
    9,763
    have control for 2 damper zone pull in a relay, energize dampers thru relay contacts

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