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  1. #1
    Join Date
    Apr 2003
    Location
    Iowa
    Posts
    763
    I've heard Trane is coming out with a 3 stage furnace, Carrier a constant burn system...
    Air conditioners with 25 SEER, A/C's with 30 SEER.
    Where will it end? Imagine your a/c bigger than your house. the cost as much as your house.
    an a-coil that weighs in at 600 lbs. LMAO...
    Seriously I have heard this. Tell me it isn't so...

  2. #2
    Join Date
    Apr 2003
    Location
    Iowa
    Posts
    763
    for you serious types... no I didn't hear about one weighing 600 lbs.

  3. #3
    Join Date
    Jul 2002
    Location
    Zelienople, Pa
    Posts
    2,965
    I've known about the 3 stage furnace for a couple months.

  4. #4
    Join Date
    Nov 2000
    Location
    Eastern PA
    Posts
    68,981
    Why go three stage when the Rheem/Ruud modulating does so much more? You know damned well that installers are going to be connecting it to a single stage stat or the HO will install their own single stage.

    Lets hope it never ends. This is the stuff that keeps us in jobs.
    Government is a disease...
    ...masquerading as its own cure…
    Ecclesiastes 10:2 NIV


  5. #5
    Join Date
    May 2000
    Location
    Indianapolis, IN, USA
    Posts
    34,613
    The A-S/Trane 3 stage comes with a special version of the Vision Pro to handle 3 stages and communicate with the rest of the system. Their first attempt at a "real" control!

  6. #6
    Join Date
    May 2004
    Location
    Rapid City, SD
    Posts
    7,415
    And it'll only take 3 wires to do it! I'm kinda excited about that part.

    I'm also excited about being forced to install the right stat with the unit. "Sometimes" (read all the time) we install single stage stats on 2 stage furnaces. I've preached and begged but no one listens to the kid ya know.

    I've heard they pushed back the 3 stage unit until this spring so they can actually test it before they release it... nice change!

  7. #7
    Join Date
    Jun 2005
    Posts
    178
    installers are going to need heavy equipment to set the equipment and have to do major mods to install it.

  8. #8
    Join Date
    Feb 2005
    Posts
    344

    A/S- Trane three stage

    Seven more stages and they'll catch up with RUUD.

    The Mod 90+ has been around since '98. One of Ruud's best kept secrets...

    Best regards

  9. #9
    Join Date
    Jan 2004
    Location
    PA
    Posts
    68,793
    York's still working on their mod.
    Contractor locator map

    How-to-apply-for-Professional

    How many times must one fix something before it is fixed?

  10. #10
    Join Date
    May 2003
    Posts
    207

    No thanks

    Can't wait to trouble shoot an intermittent control on an n-stage system!!

    Commercial control system trouble shooters will be waiting to charge 1800.00/day.


    Nice.

  11. #11

    Re: No thanks

    Originally posted by noimposters
    Can't wait to trouble shoot an intermittent control on an n-stage system!!

    Commercial control system trouble shooters will be waiting to charge 1800.00/day.


    Nice.
    $2000.00

  12. #12
    Join Date
    Feb 2005
    Posts
    344

    noimposters

    Don't be afraid...Just walk into the light.

    I can't vouch for the other brands, but the Ruud mod furnace is fairly easy to troubleshoot. Well, at least I think it is. Never really had to troubleshoot one. They are pretty realiable, you know.

    There are actually provisions on the board for troubleshooting the modulation function. The only difference as far a t'stat wiring is an extra wire which carries a signal for gas valve position.

    Infact, the baord on the mod 90+ has an 8 segment digital display for trouble codes.

    good luck ...


  13. #13
    Join Date
    Apr 2003
    Location
    Iowa
    Posts
    763
    but its ruud to put in a rheem? or is it ya put in a ruud and ya get rheemed?

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