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  1. Thread: XL20i noise

    by RyanHughes
    Replies
    14
    Views
    327

    Perhaps it is possible to make the variable...

    Perhaps it is possible to make the variable capacity units compatible with TAM8A's with just a board swap -- I honestly am not sure, but hopefully another member can comment on this for the record....
  2. Thread: XL20i noise

    by RyanHughes
    Replies
    14
    Views
    327

    Does that mean they will also be replacing your...

    Does that mean they will also be replacing your current Hyperion air handler? The XV20i (or XV18) need to be matched with a TAM8C air handler, and it's likely they installed a TAM8A (earlier model)...
  3. Thread: XL20i noise

    by RyanHughes
    Replies
    14
    Views
    327

    Can you give an approximation of the vertical...

    Can you give an approximation of the vertical lift between the outdoor unit and the indoor coil? Max is 25 feet. Approximate total line length? Total lineset linear length should not exceed 80 feet....
  4. Demand defrost for sure. It will eliminate many...

    Demand defrost for sure. It will eliminate many unnecessary defrost cycles over the lifespan of the unit. Nothing wrong with the Trane Climatuff reciprocating compressor compared to a scroll...
  5. Replies
    36
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    1,570

    I agree with TD's previous suggestion. In this...

    I agree with TD's previous suggestion. In this case, I wouldn't consider the XR13 a sacrifice at all. Comparing the specs/features of each model in the 3 ton size, I do not see anything significant...
  6. Replies
    36
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    1,570

    Sure....

    Sure. http://www.trane.com/residential/products/air-conditioners/xr16-air-conditioners (Under the "Product Specifications" tab)

    495181 495191

    There may be some older A1 models still in...
  7. Replies
    36
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    1,570

    The A1 is the older 2 stage model, so that's why...

    The A1 is the older 2 stage model, so that's why it shows as discontinued. Note the two CFM values (990 820, 860 730) indicating the rated airflow for each stage in the AHRI listing above. The single...
  8. The 25HBA4 is a single stage (scroll) heat pump....

    The 25HBA4 is a single stage (scroll) heat pump. Have you noticed if this happens when one zone is calling for cooling and the other zone begins to call for cooling? Does seem like a low voltage...
  9. Replies
    8
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    407

    My information actually shows that the 24ABB3...

    My information actually shows that the 24ABB3 Comfort series (formerly "Base" series) condenser has none of the above features. The compressor blanket and high/low pressure switches are optional...
  10. Replies
    7
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    253

    No problem, John.

    No problem, John.
  11. Replies
    7
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    253

    That combination rating is actually at 770 cfm...

    That combination rating is actually at 770 cfm (385 cfm/ton). On the TAM8, there are multiple cooling and heating airflow options that can/should be tailored to your specific application and duct...
  12. Replies
    7
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    253

    AHRI #6970454 EER: 13.5 SEER: 16.25 HSPF: 9.7

    AHRI #6970454

    EER: 13.5
    SEER: 16.25
    HSPF: 9.7
  13. Replies
    7
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    455

    You say a drain pipe with a big dip in it. Any...

    You say a drain pipe with a big dip in it. Any way you can post a picture of the drain trap? It may not be deep enough and/or installed correctly (vent before trap, etc.). Water should drip out as...
  14. Actually, it has a lot to do with the A/C. A...

    Actually, it has a lot to do with the A/C. A lower fan speed (within acceptable range for the outdoor unit capacity) will raise the system's latent capacity and remove more moisture from the...
  15. As previously mentioned, you need to have the...

    As previously mentioned, you need to have the installing company back out to investigate these issues. Water should not be leaking from the air handler cabinet (as it appears to be). If it isn't...
  16. 3/4 x 3/8 lineset is what the manual specifies...

    3/4 x 3/8 lineset is what the manual specifies for 3-5 ton XL20i heat pump models.
  17. Sorry for your trouble.

    Sorry for your trouble.
  18. Replies
    17
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    1,053

    If the 70K furnace is the right match, I sure...

    If the 70K furnace is the right match, I sure wouldn't go to a 90K furnace that would run most of the time in first stage. Lennox and Carrier are both good brands. Installation quality matters more...
  19. 4TWB3030 = 2.5 ton XB13, single stage heat pump ...

    4TWB3030 = 2.5 ton XB13, single stage heat pump

    4TWR3042 = 3.5 ton XR13, single stage heat pump
  20. How is the existing XE78 vented? Is the...

    How is the existing XE78 vented?

    Is the crawlspace sealed/encapsulated?
  21. For the upstairs unit: I guess my main gripe with...

    For the upstairs unit: I guess my main gripe with the Legacy HP outdoor units in particular (which were formerly the new construction "base" series before a product line change) would be the lack of...
  22. Replies
    15
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    1,274

    Consider the all-aluminum evap coil, 500-step EEV...

    Consider the all-aluminum evap coil, 500-step EEV metering device, and internal foam insulation in the Hyperion air handler as well. Technology and design ahead of the copper tube/aluminum fin coil...
  23. Replies
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    1,056

    BL is right. The latent capacity (as a percentage...

    BL is right. The latent capacity (as a percentage of total capacity) tends to be lower during low stage operation, as is the case in just about all manufacturers' two-stage scroll compressor systems....
  24. Replies
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    1,056

    If the load calc indicated 2.5 tons, wonder why...

    If the load calc indicated 2.5 tons, wonder why the 3 ton XR15 was listed (with the 2.5 ton TAM7). A possible oversight?
  25. The compressor is still running in defrost mode...

    The compressor is still running in defrost mode (reverse cycle, i.e. air conditioning in sub-freezing weather), so I don't think I would consider that a rest. Luckily Trane heat pumps and other units...
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