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  1. Replies
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    176

    Are you using Nexia with your thermostat?

    Are you using Nexia with your thermostat?
  2. Replies
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    674

    Good to hear they are well on there way to...

    Good to hear they are well on there way to resolving your comfort issues.
  3. Replies
    16
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    674

    Please just hand that information to your...

    Please just hand that information to your contractor or you will end up voiding your warranty.
  4. Replies
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    674

    When wired correctly at the tstat and indoor unit...

    When wired correctly at the tstat and indoor unit the 824 will control the indoor blower speed to increase your indoor comfort! It will lower the blower speed to help in dehumidification of your home.
  5. Replies
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    674

    Are they using the BK function of the 824? I...

    Are they using the BK function of the 824? I doubt it.
  6. Replies
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    1,421

    X2. Many people think because it's an inverter...

    X2. Many people think because it's an inverter system oversizing does not matter. Not true.
  7. I think if you talk to any Daikin mini split...

    I think if you talk to any Daikin mini split instructor ( FSR)or for that matter any mini split manufacturer they will tell you IF at all possible try and design your system to not need any kind of...
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    236

    Nope. Not a good application.

    Nope. Not a good application.
  9. Replies
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    428

    J is for residential only N is for commercial...

    J is for residential only N is for commercial loads.
  10. Daikin, Samsung (also sold as Trane) have single...

    Daikin, Samsung (also sold as Trane) have single phase VRV/VRF units starting at 3 tons.
  11. I did the first school in the U.S. with...

    I did the first school in the U.S. with mini-splits ( Mitsubishi) in 1988 in Cypress California. Moved to Arizona in 1990 and have often wondered how they held up!
  12. Do you have 3 phase at your home? If you do...

    Do you have 3 phase at your home? If you do install a VRV/VRF system, there tonage's far exceeds your needed 7 tons.

    As far as the air handlers most manufacturers have low,medium,and high static...
  13. Replies
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    2,812

    Replaced my 2 19i's with one XV18 and zoning...

    Replaced my 2 19i's with one XV18 and zoning about a month ago. What a great system!!
  14. Replies
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    2,928

    Ask your contractor for the DSO ( dealer sales...

    Ask your contractor for the DSO ( dealer sales office) phone number, give them a call and ask if an FSR ( field service rep) can visit your job with the dealer to resolve the issue you are having...
  15. Replies
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    2,812

    Truth be told VRV/VRF systems are the future! ...

    Truth be told VRV/VRF systems are the future!

    Trane uses Danfoss.
  16. Replies
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    2,812

    Very nice!! But why not a heat pump?

    Very nice!! But why not a heat pump?
  17. Thread: Calling All Pros

    by jimj
    Replies
    87
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    4,234

    Worked summers with my dad starting in 1965. Went...

    Worked summers with my dad starting in 1965. Went full time in the summer of 1971 after high school.
  18. Replies
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    147,203

    Come to western Arizona for most of the summer!

    Come to western Arizona for most of the summer!
  19. X2

    X2
  20. The Bay 24 will resolve your issue. You need to...

    The Bay 24 will resolve your issue. You need to remove any pricing in your post, it is not allowed!
  21. Replies
    769
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    63,357

    Thanks Jim, will do.

    Thanks Jim, will do.
  22. Replies
    769
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    63,357

    Jim, I have both the imanifold and iconnect,...

    Jim,
    I have both the imanifold and iconnect, the imanifold is an early version ( serial # 0028) that has had the updated SD card installed. Every time I use it, it tells me there is an update...
  23. Replies
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    1,081

    You might want to check your temperature...

    You might want to check your temperature instrument in a bowl of ice water to confirm it's calibration before doing your gauge calibration and at the same time do your gauge Low and high side temp...
  24. Thread: Air flow issue

    by jimj
    Replies
    34
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    2,433

    You might want to have duct blaster test done to...

    You might want to have duct blaster test done to check for duct leakage. David R just wrote a great article in one of the trade magazines about this and how air balancing with major duct leakage is...
  25. Add your RA and SA wet bulb temps along with your...

    Add your RA and SA wet bulb temps along with your delivered cfm, outdoor drybulb and you can start to tell a lot.
  26. Replies
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    530

    Yes,lower static means more air flow, more air...

    Yes,lower static means more air flow, more air flow means more HP!
  27. Thread: AEROSEAL

    by jimj
    Replies
    46
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    6,951

    There is no issue what so ever using it with...

    There is no issue what so ever using it with flex. Where ever the leaks are Aeroseal will seal them up to and including 5/8" holes.

    We are a dominant flex area and believe me there are lots and...
  28. Thread: AEROSEAL

    by jimj
    Replies
    46
    Views
    6,951

    Aeroseal system/equipment was developed at...

    Aeroseal system/equipment was developed at Laurence Berkeley Labs by Dr Mark Modera a scientist in there indoor Environment Program.
    The...
  29. Replies
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    753

    Normally each at .03

    Normally each at .03
  30. Replies
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    753

    Don't forget your supply and return registers and...

    Don't forget your supply and return registers and grills, strip heaters, and anything else that will cause a pressure drop.
  31. Replies
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    494

    X2. Well said

    X2. Well said
  32. Replies
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    1,141

    We have installed a lot of XV20i's and XV18 its...

    We have installed a lot of XV20i's and XV18 its little brother and they have operated flawlessly. The dealer that says they are troublesome does not have a clue. Yes they are both probably more...
  33. Replies
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    494

    If your talking about a RAFG that 1,000 sq inches...

    If your talking about a RAFG that 1,000 sq inches would be a correct minimum number
  34. Replies
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    2,505

    Yup I agree. Hank Rutkowski the author of many...

    Yup I agree. Hank Rutkowski the author of many of the ACCA Manuals ( J,D,S,T,RS P and a lot more) says it his way. For radiant heat to occur, the surface of the skin must "see" the radiating...
  35. Replies
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    The first chapter, first page of Manual "RS"...

    The first chapter, first page of Manual "RS" (Comfort , Air Quality, and Efficiency by Design) does a great job of answering your question. But in essence states That when occupant comfort is...
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    We sell lots and lots of Trane multi stage...

    We sell lots and lots of Trane multi stage equipment and I cant say I have EVER had a customer tell me they regretted the upgrade.
  37. The author of Manual J ( Hank Rutkowski)...

    The author of Manual J ( Hank Rutkowski) recommends that you use average on envelope leakage unless you have done a blowerdoor to show a tighter structure number.
  38. Replies
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    4,006

    Well the idea is that the air that is being...

    Well the idea is that the air that is being removed from the attic is being replaced threw your gable vents and that is partially true. But what is also true is air is being removed from your home...
  39. Replies
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    4,006

    Who convinced you to add an attic fan. It is most...

    Who convinced you to add an attic fan. It is most likely doing much more harm than good. And yes as others have already said it is not undersized.
  40. And you think Trane is not involved in the sticky...

    And you think Trane is not involved in the sticky TXV issue? For that matter so is Amana, Goodman and there parent company Daikin along with Carrier and all its divisions..
  41. Replies
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    Amit Gupta ( Aeroseals CEO) and a group of...

    Amit Gupta ( Aeroseals CEO) and a group of investors purchased Aeroseal from Carrier a few years back. Mr. Gupta held various positions with Carrier Corporation in Indianapolis and with TATA Motors...
  42. Replies
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    991

    You have the type of system that you would be...

    You have the type of system that you would be well advised to set it and forget it. Your using your controller like its a light switch controlling a light and its not.
    Find a temperature that your...
  43. Replies
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    700

    Amit Gupta and Brendan Reid will make I good team...

    Amit Gupta and Brendan Reid will make I good team and I believe this will to a big benefit to both organizations
  44. Replies
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    991

    What speed does your 950 controller say the...

    What speed does your 950 controller say the compressor is running at when you think it is struggling to maintain your comfort? What temp is it set at and what temp is it running at?
  45. Replies
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    967

    X2 If its a Copeland scroll it fits the frozen...

    X2 If its a Copeland scroll it fits the frozen coil syndrome. It will usually show up after a few weeks of operation. Not saying your system is wired correctly, it sounds like it is not. But that's...
  46. Replies
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    962

    LOL Trane produced there first inverter system...

    LOL Trane produced there first inverter system in 1987 the XV1500.There still are many operating in my area where 120* days are common.
  47. Thread: XL20i noise

    by jimj
    Replies
    40
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    3,630

    Zone one is right at 100% and is less than 1/2...

    Zone one is right at 100% and is less than 1/2 degree from thermostat setting. Zone 2 is at 29% and .3 degrees from set point. Yes your TESP is .31 which is nothing even close to its capability.
  48. Replies
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    1,984

    I would have them do the install correctly, and...

    I would have them do the install correctly, and that starts with a manual J for system sizing, manual S for unit selection! And then manual D for your duct system sizing and complete a duct leakage...
  49. Replies
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    639

    Dirty air filters = less airflow= colder SADB...

    Dirty air filters = less airflow= colder SADB temp. Read PHM's post again, there's your answer!
  50. Replies
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    5,691

    X2

    X2
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