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  1. Thread: Heat Pump Sizing

    by jimj
    Replies
    3
    Views
    258

    It's sized by your cooling load.

    It's sized by your cooling load.
  2. Replies
    1
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    178

    They are very quiet units normally. However there...

    They are very quiet units normally. However there is kit out for units like yours that are having noise issues. It consists of a new compressor blanket and I believe new isolation rubbers.
  3. Replies
    8
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    608

    No it would make no difference to put in heat...

    No it would make no difference to put in heat mode only.
  4. Replies
    16
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    3,727

    The Home seal machine is the latest and greatest...

    The Home seal machine is the latest and greatest Aeroseal machine ( at least if you have the wireless version). There is no competitor of Aeroseal.
  5. Thread: Mini Split

    by jimj
    Replies
    10
    Views
    565

    Just finished installing a Trane ( Samsung ) VRF...

    Just finished installing a Trane ( Samsung ) VRF system in our office with 5 ducted air handlers for zone control. And yes this is the future!
  6. Replies
    8
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    608

    As has already been said your dealer and or Trane...

    As has already been said your dealer and or Trane can view your codes and system operation live through Nexia diagnostics if you give them access at your Nexia webpage. I would start there and ask...
  7. Don't be surprised if both of those are made br...

    Don't be surprised if both of those are made br Gree.
  8. It's a great idea. We are a Trane dealer in...

    It's a great idea. We are a Trane dealer in Arizona and have installed hundreds of there mini's over the last four years with an extremely low failure rate.
  9. The problem with single stage systems is that...

    The problem with single stage systems is that when only 30% of your load is calling you still have 100% of your capacity coming on line. The answer for that is a bypass damper (this can be done with...
  10. This would be a good consideration. I would also...

    This would be a good consideration. I would also add I would never put zoning on a single stage system!
  11. Replies
    5
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    444

    As already said the XV20 would have been a better...

    As already said the XV20 would have been a better choice than the XL20i. One draws about 10 times more than the other on startup.
  12. Replies
    800
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    88,564

    And when?

    And when?
  13. Replies
    2
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    516

    Are you using Nexia with your thermostat?

    Are you using Nexia with your thermostat?
  14. Replies
    16
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    1,327

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

    Good to hear they are well on there way to resolving your comfort issues.
  15. Replies
    16
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    1,327

    Please just hand that information to your...

    Please just hand that information to your contractor or you will end up voiding your warranty.
  16. Replies
    16
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    1,327

    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.
  17. Replies
    16
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    1,327

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

    Are they using the BK function of the 824? I doubt it.
  18. Replies
    47
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    2,928

    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.
  19. 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...
  20. Replies
    2
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    402

    Nope. Not a good application.

    Nope. Not a good application.
  21. Replies
    5
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    763

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

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

    Daikin, Samsung (also sold as Trane) have single phase VRV/VRF units starting at 3 tons.
  23. 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!
  24. 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...
  25. Replies
    25
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    5,517

    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!!
  26. Replies
    101
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    3,997

    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...
  27. Replies
    25
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    5,517

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

    Truth be told VRV/VRF systems are the future!

    Trane uses Danfoss.
  28. Replies
    25
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    5,517

    Very nice!! But why not a heat pump?

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

    by jimj
    Replies
    91
    Views
    6,645

    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.
  30. Replies
    1,326
    Views
    193,167

    Come to western Arizona for most of the summer!

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

    X2
  32. 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!
  33. Replies
    800
    Views
    88,564

    Thanks Jim, will do.

    Thanks Jim, will do.
  34. Replies
    800
    Views
    88,564

    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...
  35. Replies
    25
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    1,581

    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...
  36. Thread: Air flow issue

    by jimj
    Replies
    34
    Views
    3,159

    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...
  37. 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.
  38. Replies
    6
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    745

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

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

    by jimj
    Replies
    46
    Views
    8,323

    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...
  40. Thread: AEROSEAL

    by jimj
    Replies
    46
    Views
    8,323

    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...
  41. Replies
    8
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    972

    Normally each at .03

    Normally each at .03
  42. Replies
    8
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    972

    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.
  43. Replies
    11
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    685

    X2. Well said

    X2. Well said
  44. Replies
    8
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    1,702

    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...
  45. Replies
    11
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    685

    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
  46. Replies
    11
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    3,004

    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...
  47. Replies
    11
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    3,004

    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...
  48. Replies
    7
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    1,106

    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.
  49. 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.
  50. Replies
    52
    Views
    4,963

    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...
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