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Type: Posts; User: RyanHughes

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  1. TD - With the UI (Infinity/Evolution controller)...

    TD -
    With the UI (Infinity/Evolution controller) installed, the system will automatically detect system capacity and set CFM accordingly. However there are various "trim" settings available within...
  2. Not a Lennox dealer, but it shows up on AHRI...

    Not a Lennox dealer, but it shows up on AHRI directory as a match.

    Ref #5697780
    14ACX-060-230-** & CX34-49+TDR
    1800 CFM 58000 BTU/H 11.70 EER 14.00 SEER
  3. The manufacturer tests the equipment with their...

    The manufacturer tests the equipment with their own evaporator coils (in this case American Standard/Trane). Performance ratings of third-party evaporator coils matched to an OEM outdoor unit are...
  4. Thread: New Install

    by RyanHughes
    Replies
    5
    Views
    523

    If it were my choice, I'd opt for two separate...

    If it were my choice, I'd opt for two separate systems for the two separate/diverse conditioned spaces, properly sized per load calculation. Creating a 3-zone system with a single 5 ton heat pump...
  5. Because you are in a corrosive environment I...

    Because you are in a corrosive environment I would want the Trane or American Standard equipment that includes both all-aluminum indoor and outdoor coils, while the other systems quoted do not. Of...
  6. Thread: XL20i noise

    by RyanHughes
    Replies
    40
    Views
    2,492

    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....
  7. Thread: XL20i noise

    by RyanHughes
    Replies
    40
    Views
    2,492

    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)...
  8. Thread: XL20i noise

    by RyanHughes
    Replies
    40
    Views
    2,492

    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....
  9. 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...
  10. Replies
    36
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    2,621

    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...
  11. Replies
    36
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    2,621

    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...
  12. Replies
    36
    Views
    2,621

    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...
  13. 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...
  14. Replies
    8
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    886

    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...
  15. Replies
    7
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    346

    No problem, John.

    No problem, John.
  16. Replies
    7
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    346

    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...
  17. Replies
    7
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    346

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

    AHRI #6970454

    EER: 13.5
    SEER: 16.25
    HSPF: 9.7
  18. Replies
    7
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    547

    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...
  19. 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...
  20. 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...
  21. 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.
  22. Sorry for your trouble.

    Sorry for your trouble.
  23. Replies
    17
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    1,626

    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...
  24. 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
  25. How is the existing XE78 vented? Is the...

    How is the existing XE78 vented?

    Is the crawlspace sealed/encapsulated?
  26. 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...
  27. Replies
    16
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    2,776

    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...
  28. Replies
    17
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    1,500

    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....
  29. Replies
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    1,500

    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?
  30. 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...
  31. Thread: AHRI number

    by RyanHughes
    Replies
    5
    Views
    474

    While I don't see it on AHRI, I do actually see a...

    While I don't see it on AHRI, I do actually see a THGF42 listed as a match with the AHE42 on the York technical guide sheet (can't find the THJF). I am not certain but I believe this may simply be...
  32. Thread: AHRI number

    by RyanHughes
    Replies
    5
    Views
    474

    I don't see a match with the AHE42. Only the 48...

    I don't see a match with the AHE42. Only the 48 and 60 air handlers are approved matches with that outdoor unit, per AHRI directory.
  33. Replies
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    3,888

    I know you took the effort to have your HVAC guy...

    I know you took the effort to have your HVAC guy do a load calculation, but unfortunately what is shown above isn't close to a true Manual J. Taking the room volumes and multiplying it by some factor...
  34. Replies
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    3,888

    Can you post the document?

    Can you post the document?
  35. Replies
    9
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    898

    Thanks for posting back with the resolution. Not...

    Thanks for posting back with the resolution. Not a very uncommon issue.
  36. Replies
    9
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    898

    Red LED would indicate a fault that needs to be...

    Red LED would indicate a fault that needs to be investigated. Could pertain to the auxiliary heat, or something else.
  37. Replies
    17
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    3,888

    That is a proper match (AHRI certificate ref....

    That is a proper match (AHRI certificate ref. #5823447). www.ahridirectory.org - 13 EER / 16 SEER

    With the 5 ton two-stage XB16, low stage is about 75% of total capacity. So the concern is that on...
  38. Replies
    17
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    3,888

    They are still guessing on the size you need by...

    They are still guessing on the size you need by not doing a load calc. There are many systems out there that were never sized correctly (typically oversized) to begin with. It's not all about energy...
  39. Replies
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    830

    It is my understanding that Trane stopped using...

    It is my understanding that Trane stopped using the Alliance Climatuff compressors in the XB13 models (there was a thread about this on the pro side back in June), but I could be wrong. Otherwise, I...
  40. Replies
    17
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    3,888

    Were you given model #s for the equipment (indoor...

    Were you given model #s for the equipment (indoor and outdoor)? The 4ttb6061 uses a 2-stage scroll. Are you replacing the indoor unit (furnace and coil or air handler with electric heat) also?
  41. Replies
    10
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    2,617

    The installer's guides for Trane residential...

    The installer's guides for Trane residential products is available to the public on the "commercial" side of Trane's home page. Check under "Find Product Literature."

    This page gives some expanded...
  42. Replies
    17
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    1,211

    Technically the external driers should not have...

    Technically the external driers should not have been added as there is already one factory installed inside the condensers. As for their location, in general they belong indoors to prevent them from...
  43. Yes, the noise could certainly be attributed to...

    Yes, the noise could certainly be attributed to the compressor operating without evaporator or condenser airflow, as you depict and describe. The cause of this unusual behavior is what really needs...
  44. I would agree with this possibility, something...

    I would agree with this possibility, something for the techs to look into (particularly the electrical side). But for the indoor blower to stop running seems kind of odd, either in heat mode or...
  45. Out of curiosity, what did they fix/replace while...

    Out of curiosity, what did they fix/replace while the unit was totally dismantled?

    My thought is that it is an electrical problem, for the compressor to remain running without the indoor blower.
    ...
  46. Yes they come out of the box without the Carrier...

    Yes they come out of the box without the Carrier logo/badge, since the same coils are used in Bryant and Payne installations as well. A Carrier badge can be added to the coil enclosure. The...
  47. I would respectfully disagree. This happens all...

    I would respectfully disagree. This happens all the time in commercial accounts, yet equipment still gets installed in an acceptable and professional manner. If a contractor reviewed and knowingly...
  48. Replies
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    2,127

    Poll: I agree with all of the good advice given above....

    I agree with all of the good advice given above. Neither proposal is very professional; in fact I would consider them both unprofessional based on formatting and content alone (the Goodman quote...
  49. 76,000 btuh is the nominal output capacity of the...

    76,000 btuh is the nominal output capacity of the 80k at 95% efficiency on 2nd stage. I agree with beshvac; 60k is likely the correct size if a load calc were actually performed. Why buy the more...
  50. Replies
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    726

    Yes that is a possibility. Keep in mind that with...

    Yes that is a possibility. Keep in mind that with a 3.5 ton system, you will generally require more than one return air grille to avoid a restrictive return duct system. It may be possible to have...
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