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  1. #1
    Join Date
    Mar 2010
    Posts
    4

    Trane RTU YCD075

    In all my years in the HVAC world i never thought I would run into a simple low vol. wiring problem but I am baffled. I have a Trane YCD075 roof top unit and am tryin to wire a trane non programmable zone sensor/ tsat to it but do not understand how to wire it to the teminal strip. I tried wiring it to the same terminals the programmable stat was wired to with no prevail. Also the wiring diagram on the door is destroyed... thanks a whole lot trane for putting the schematic on a door that recieves weather damage! Any help on this situation would be great.... THANKS!!!

  2. #2
    Join Date
    Jan 2009
    Location
    Indiana
    Posts
    3,228
    i had one like this a few years ago..i dont remember how i wired it but i had to talk to trane ENGINEERS not just tech support. seems the directions they gave with sensor was FUBAR. My advice call trane.

  3. #3
    Join Date
    Oct 2001
    Posts
    6,966
    what is the sensor number BAY????? i have a IOM that shows diagrams for 4 of them..06,08,019,022 i will get back later to check
    "when in doubt...jump it out" http://www.youtube.com/watch?v=U1qEZHhJubY

  4. #4
    Join Date
    Nov 2006
    Location
    Iowa
    Posts
    86
    I have the info for the majority of the zsm's but i will need the number off the one you are putting on.
    Bring back rotary phones so we dont have to press 1 to proceed in ENGLISH!!!!

  5. #5
    Join Date
    Mar 2007
    Location
    Delaware
    Posts
    81
    Look for the micro control book.

  6. #6
    Join Date
    Mar 2007
    Location
    Delaware
    Posts
    81

  7. #7
    Join Date
    Dec 2002
    Location
    SouthEast NC ICW & Piedmont Foothills
    Posts
    7,635
    are you trying to replace a zone sensor with a T-stat?

    does that unit have a cti?
    It`s better to be silent and thought the fool; than speak and remove all doubt.

  8. #8
    Join Date
    Mar 2010
    Posts
    4
    the sensor is a baysen108a

  9. #9
    Join Date
    Jun 2006
    Location
    New Jersey
    Posts
    4,340
    Quote Originally Posted by mafd287 View Post
    the sensor is a baysen108a
    You sure......can't seem to find anything close to that. The best I could find was a baysens018a

  10. #10
    Join Date
    Nov 2006
    Location
    Iowa
    Posts
    86
    New one on me, sorry I dont have the info for that one.
    Bring back rotary phones so we dont have to press 1 to proceed in ENGLISH!!!!

  11. #11
    Join Date
    Dec 2002
    Location
    SouthEast NC ICW & Piedmont Foothills
    Posts
    7,635
    x---------------83701 p38

    p.6 reference


    don't have a clue where this came from
    Last edited by dandyme; 01-07-2011 at 07:17 PM.
    It`s better to be silent and thought the fool; than speak and remove all doubt.

  12. #12
    Join Date
    Mar 2007
    Location
    Delaware
    Posts
    81
    Witch board is in the unit Micro or Reliatel?

  13. #13
    Join Date
    Nov 2006
    Location
    Southeastern Pa
    Posts
    18,852
    Quote Originally Posted by IRONHILL24 View Post
    Witch board is in the unit Micro or Reliatel?

    I don't have time this morning to research this, but I was under the impression that a YCD unit is a Precedent series, and has Reliatel. That would mean the poster is trying to connect to the same terminal strip along the edge of the boards where he found a conventional stat, and he should instead be using the strip for the trane zone sensor.

    Maybe Jay will find this and correct me if I'm wrong.....
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist

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