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  1. Replies
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    Well, the technician chose the setting (listed on...

    Well, the technician chose the setting (listed on page 14) the "Outdoor Temperature" instead the other 2 (Comfort, Operating Cost) for our system. By selecting Outdoor Temperature, then the...
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    Hi, 54regab, I understand what you said about the...

    Hi, 54regab, I understand what you said about the lockout for the system. But my problem is the HP did not work if the HP lockout set at 40* with the outdoor is above 40*. Under that setting,...
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    When I made my original post, our dual fuel...

    When I made my original post, our dual fuel system for the the HP compressor lockout was set at 40*F but the gas furnace heat lockout was disabled. Those two settings are in the service section of...
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    Hi, Merry Christmas and happy holiday to you all....

    Hi, Merry Christmas and happy holiday to you all.

    The tech came yesterday. He said the compressor lockout is for using HP with electric strips, the dual fuel system should have only one control...
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    I see your point now. You meant that the t-stat...

    I see your point now. You meant that the t-stat has some computer chip that will make its own decision how to heat the house (by HP or by furnace) and it might override the changeover setting. But ...
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    The tech called and he cannot tell me why the...

    The tech called and he cannot tell me why the system acts this way.
    For now, he suggested to keep the system setting as it was (40*F setpoint) and wait for his visit sometime next week.
    Well, I...
  7. Replies
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    I don't get it. If the HP can not keeping the...

    I don't get it. If the HP can not keeping the temp, why the HP will work if my setpoint temp set to be 35*F.

    Maybe I did not explain clear. I set the room temp to be 68*F The changeover temp...
  8. Replies
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    Yes, I have the installation guide with me and...

    Yes, I have the installation guide with me and have checked it a few times.
    But the problem is the HP is not even set to work. When the indoor temp drops and calls the HVAC to work, the gas...
  9. Replies
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    The technician set it to be 40*F, it was this way...

    The technician set it to be 40*F, it was this way since the system installed last year.
    I have no idea what is the best setpoint, have to follow what the technician's decision.
    (I don't know, maybe...
  10. Replies
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    isuredo --- Thanks for the reply. Acutally, the...

    isuredo --- Thanks for the reply. Acutally, the outdoor sensor was replaced a new one, replaced 1 month ago by the same company.

    Florida Joy --- The auxiliary heating lockout...
  11. Replies
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    No, i tested it a couple times, if I change it to...

    No, i tested it a couple times, if I change it to 35*F the hp is moving to send the hot air in.
    Actually, before I reply this, I changed it back to 40*F on the changeover and went out to check the...
  12. Replies
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    What went wrong with my heat pump setting??

    we have Trane XL15i heat pump and XR95 gas furnace dual fuel system, installed last year. The dual fuel option was set base on outdoor temperature 40*F to change between heat pump and furnace. So...
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    udarrel and beenthere, thanks for the replies and...

    udarrel and beenthere, thanks for the replies and sorry for my late response.

    I would never know there is a CPH setting on the t-stat if not puting my question here. The contractor (dealer) has...
  14. Replies
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    Is this short cycle a problem?

    My Trane HP(XL15i) and furnace( XR95) were installed in late August this year. I did not pay attention to it until last week since the weather is colder (daytime around 46*F) and I found the HP was...
  15. Replies
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    It's OK now, I have pulled down the t-tat. ...

    It's OK now, I have pulled down the t-tat.

    Thanks.
  16. Replies
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    Does that mean I have to take down the t-stat to...

    Does that mean I have to take down the t-stat to get the number?
    I am afraid doing that will break the wire.
    Should I call the company who installed it ? Or is there other way to get the #?
  17. Replies
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    the serial number of the XL950 t-stat

    Who can help me to locate the model # and serial # of the Trane XL950 thermostat?
    That unit is fastened on the wall and I did not see the related information.
    (I need them for warranty...
  18. It's good to hear that. Thank you so much.

    It's good to hear that. Thank you so much.
  19. Now you guys know I really don't know much about...

    Now you guys know I really don't know much about the HVAC world:grin2:



    So a trained HVAC technician should have no problem to replace the uncased coil, right? Well, I can take it easy and...
  20. There is no any blue (or gray) tube attached with...

    There is no any blue (or gray) tube attached with the copper line, neither inside nor outside unit, when the units were installed. The two ends of the copper lines are connected to heat pump and...
  21. Well, another correction. Now I know the dealer...

    Well, another correction. Now I know the dealer will replace everything inside the comfort coil. (The spine fin coils are totally different parts in side the outdoor unit). The link below shows the...
  22. Going to have partial coil replacement

    Hi, everyone
    Here is the update of my dealer's resolution.
    The 2007 model was from a local supplier. By admitting the mistake, the supplier will pick up the expense of replacing a newer model so...
  23. Correction: In my original post, I put down...

    Correction:

    In my original post, I put down
    ..
    ..
    Coil unit : TXCC044BC3HCAA

    Actually it is 4TXCC044BC3HCAA on the coil's face plate

    It's my bad that missed typing 4 into the model #...
  24. Ryan, thank you so much for your reply. Base...

    Ryan, thank you so much for your reply.

    Base on the info from all of you, it seems the 2007 model is ok to stay if I can open the case to verify the inside coil is aluminum. Is that right?
    I...
  25. I search all the installation guide the installer...

    I search all the installation guide the installer left for me, including heat pump, gas furnace, thermostat, but I can't find anything for the coil. Isn't that odd.
    The serial number on the coil...
  26. Hi Ryan, The model # listed on my contract is...

    Hi Ryan,
    The model # listed on my contract is 4TXCC044BC3 HCA.
    The sticker on the coil installed states the model # is 4TXCC044BC3HCAA.
    SO the coil installed has one more A listed at the end. ...
  27. Hi, Catmanacman, The items listed on my...

    Hi, Catmanacman,
    The items listed on my contract does say the 4TXCC044BC3HCA is COVERTIBLE CASED COIL WITH HP NON-BLEED TXV -ALL ALUMINUM.

    Do you mean the 2007 coil intalled in my house is not...
  28. Hi Ryan, what doe you mean that "the only thing...

    Hi Ryan, what doe you mean that "the only thing the OP should confirm is that an R410A TXV was field installed". (Sorry, I really new to the site. Who is OP? What is TXV?)

    I checked the sticker...
  29. Thank you beachtech. As I replied to skyheating,...

    Thank you beachtech. As I replied to skyheating, I have difficulty to fill those info.
  30. How about Trane's product? Do you know any...

    How about Trane's product? Do you know any changes have been made in the last 4 years?
  31. Hi, Skyheating, my furnace model is...

    Hi, Skyheating, my furnace model is TDH1C085A9481A, if you can find the AHRI number for me, that will be wonderful. I really don't know much about the system now installed in my house (AHRI type,...
  32. Thanks for the reply. Frankly speaking, I...

    Thanks for the reply.

    Frankly speaking, I cant' believe how could my dealer get a unit that is made 4 years ago. The sales person has not give me a call back yet. I wonder could it be possible...
  33. question for Trane heat pump and paired coil

    Hi, I have checked this forum to learn the HVAC related issues since I decided to replace my old system. Now I have a question to ask the experts here after my new heat pump and gas furnace were...
Results 1 to 33 of 33
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