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  1. Replies
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    The thermometers I am using are certainly not...

    The thermometers I am using are certainly not accurate to anything like 1/10 degree. They are all digital and read temps to tenths. I have done a few more experiments using all three close to each...
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    Beenthere, thank you for the reply. You confirmed...

    Beenthere, thank you for the reply. You confirmed what I figured - the average temp at the tstat would have been very weird if they incorrectly wired the sensors in series.

    I have done a bit of...
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    Actually, the thermometer is a digital one from...

    Actually, the thermometer is a digital one from Harbor Freight & Tools. Second point which you probably missed is that the very expensive thermostat (Yes it was!) does NOT measure the temperature in...
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    We have had the two 20k remote temperature...

    We have had the two 20k remote temperature sensors installed for a cooling and big part of heating season. I was a bit disturbed when the installers didn't seem to know that these two sensors needed...
  5. Don't know who "vetted" me as a professional, but...

    Don't know who "vetted" me as a professional, but I am NOT one. Beenthere has been invaluable with the choice and diagnosis of this system since 20-08-09. Probably somebody used the number of posts...
  6. That was helpful. PS: It's not the tstat.

    That was helpful.

    PS: It's not the tstat.
  7. Further developments: The system is a 2-speed...

    Further developments: The system is a 2-speed compressor York Affinity YZH04811C dual fuel HP with a natural gas, variable speed YP8C10020MP11 NG furnace/air handler and a large matching 10-year...
  8. The now gone distributor originally specified the...

    The now gone distributor originally specified the coil AND Aspen certified both using the AHRI Certification# in order to satisfy the 2009 Federal Energy Tax Credit requirements. Who is responsible...
  9. York/Aspen Coil Failure from 2009 Install - HELP!

    I spent a lot of time on this forum back in 2009 while I tried to get a duel fuel HP system that would handle our large house AND meet the Federal Energy Tax Credit requirements. Finally found a York...
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    Thank you, Beenthere. I am running on light sleep...

    Thank you, Beenthere. I am running on light sleep so I can get testy at times, especially when I go down dumb paths. :cheers: :grin2:
  11. Replies
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    Beenthere, I think this is getting through my...

    Beenthere, I think this is getting through my HVAC thick skull. I have been proceeding along assuming that you were recommending that a very specific 20,000 ohm electrical component was needed along...
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    Beenthere, I have read some technical...

    Beenthere, I have read some technical documentation in my day but I am totally confused by the cross statements between the Honeywell YTH9421C1002/U tsat and the C7189U1005 indoor sensor. The tsat...
  13. Replies
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    Not a very productive response, Designer Dan. I...

    Not a very productive response, Designer Dan. I suppose that you are suggesting that I replace 70'+ of Southern exposure windows or maybe installing $1,000's of film on the windows that kill the...
  14. Replies
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    Beenthere, this is hurting my brain, but I think...

    Beenthere, this is hurting my brain, but I think that I may have an alternative solution using 2 "sensor" locations. It also stays within the 1, 4 , 9, etc. indoor sensors that Honeywell requires.
    ...
  15. Replies
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    Beenthere, I have been trying to get my HVAC pro,...

    Beenthere, I have been trying to get my HVAC pro, a Bryant guy all the way even down to the tsat, to research this before I order the indoor sensors but he won't put in any advanced effort. This is...
  16. Replies
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    Beenthere, I have no idea what you are saying in...

    Beenthere, I have no idea what you are saying in the statement: "There is a way to use 2 sensors. instead of getting 4 10,000 ohm sensors. You get 2 20,000 ohm sensors." I see that the total...
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    My original HVAC guy is gone and I am working...

    My original HVAC guy is gone and I am working with the Bryant dealer that installed the original system in the house. The original system was a basic Bryant NG furnace/AC, not like the top-end York...
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    Thank you for more ideas. As it turns out the...

    Thank you for more ideas. As it turns out the tsat room is 3-4 degrees above most other rooms due to the sun load. I have heard of the 3M window film. A couple of things raise concerns about that...
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    Good to hear from you again, Beenthere, and to...

    Good to hear from you again, Beenthere, and to see that you are still dispensing such useful advice. Been a few years.
  20. Replies
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    Had the York dual fuel HP with Honeywell IAQ...

    Had the York dual fuel HP with Honeywell IAQ thermostat installed in the summer of 2009.

    Both units work well and I have never seen a thermostat that maintains the temperature setting so...
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    AOP Residential .vs. Residential????

    Please explain what this new "AOP Residential" is and how it differs from the old "Residential" that has been around forever. I am not a pro, but I have spent lots of time on this forum and...
  22. Replies
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    Thanks, Beshvac. Obviously, I am no pro. Did know...

    Thanks, Beshvac. Obviously, I am no pro. Did know it was that complicated but I like engineering to the grill.
  23. Replies
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    Chris, are you for real???? Don't come to my...

    Chris, are you for real???? Don't come to my place to work on my HVAC. Maybe your boss needs to be fired. We all make mistakes but who leaves an untrained person by himself on the job without giving...
  24. Replies
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    rk05, I'm a HO that had a high end dual fuel HP...

    rk05, I'm a HO that had a high end dual fuel HP installed in 2009. I had the electric co-op do a blower door, infrared camera and Manual J. It cost me $100, but I "own" that company. I recall that...
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    Darrell, we have a national energy consultant for...

    Darrell, we have a national energy consultant for electric co-ops who is an architect and he says that you need 2 sq ft of filter for each ton, Seems like 3*12*24 = 864 sq in is enough, no?
  26. Replies
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    Referring to a previous post with which I agree:...

    Referring to a previous post with which I agree: "4ton with a 90 degree design temp is either a really big or very poorly insulated house". When ever you replace HVAC you should reassess whether you...
  27. Replies
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    I believe that a national energy consultant that...

    I believe that a national energy consultant that lives in AR suggests more like 2 sqft of filter opening per ton. Here is a quote from the return size for one of his energy efficient homes: "Return...
  28. Replies
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    Not a pro, but I would consider more attic...

    Not a pro, but I would consider more attic insulation and some caulking. We're at high 90's now in NW AR and my 4 ton dual fuel HP on an ~3700 sqft house with temp at 78 seems only to go into 2nd...
  29. Replies
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    Don't think that I said he should ask for time &...

    Don't think that I said he should ask for time & materials. And my contractor got a 4 ton high end HP with media filter and UV light options along with an optional price to upgrade the 80% variable...
  30. Replies
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    I did some pretty large technical procurements. I...

    I did some pretty large technical procurements. I wouldn't dream of accepting any proposal that didn't list everything to be supplied including model numbers and warranties and manuals. If I asked...
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    Seems like replacing a 3 ton with a 3 ton more...

    Seems like replacing a 3 ton with a 3 ton more efficient unit should get you at least what you had if it was adequate. I would look for things that were changed. Is the new unit sealed properly? Is...
  32. Replies
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    Believe that's a code violation if you put in...

    Believe that's a code violation if you put in returns. Don't know about just dumping AC to garage without return. I think that I have something like that due to duct leaks. Nice and cool in the back...
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    Just a mere HO here but do you mean a hot water...

    Just a mere HO here but do you mean a hot water circulating pump when you say "Convection loops"? If so, I need one in order to reduce water waste and long waits for hot water in the kitchen and...
  34. Replies
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    Great suggestion. We had a house built and I...

    Great suggestion. We had a house built and I didn't like it that they hung the furnace and let it heat the construction. I thought of wear and tear but the duct cleanliness is a great catch.

    Also...
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    YIKES!!! I have a larger home and my TOTAL...

    YIKES!!! I have a larger home and my TOTAL ELECTRIC USAGE for 12 months for our home in 2009 was 7200 kWh and that includes AC. With a new 4-ton DFHP our total house electric usage for the December...
  36. That's correct, no supporting documentation (save...

    That's correct, no supporting documentation (save in your files in case of audit), just the IRS form required to claim credit. But am I reading your install date correct, May 2009? If so, you should...
  37. Replies
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    Appreciate your replies, Guys. Not to be a...

    Appreciate your replies, Guys.

    Not to be a pest, BT, but I still had 3 questions in red on my last post starting with the text: "As I understand, for the York HP the temp". If you would reply, I...
  38. I am NOT a pro, but from your pictures there may...

    I am NOT a pro, but from your pictures there may be things that you can do related to the room enclosure and the way it is tied down. Seems like there could easily be vibrations given the metal...
  39. Replies
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    Good for you!!!! I'm going on 5 weeks with no...

    Good for you!!!! I'm going on 5 weeks with no cigs and it's not been bad but then I wasn't a heavy smoker any more just a persistent one.

    The cravings will always be there. I used to see a friend...
  40. Replies
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    Litster, I say up front that I have a bias...

    Litster, I say up front that I have a bias against service contracts other than manufacturer parts and service warranties. Let me just leave it at make sure that you read the small print and be very...
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    Now we are making some progress for somebody who...

    Now we are making some progress for somebody who gets lost in the industry Y's and W's and BP's and LTCO's.

    Gary, you keep mentioning "Yorkguard". I see nothing like that in my doc. Is that just...
  42. Replies
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    Have no external temp sensor on the IAQ. The HP...

    Have no external temp sensor on the IAQ. The HP controls temp sensing and furnace switch over.
  43. Replies
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    I also have a very smart Honeywell IAQ tstat and...

    I also have a very smart Honeywell IAQ tstat and it knows that I have a duel fuel with fossil fuel. And, no, IMO the operation of a duel fuel HP is not simple, Gary. Take it from a guy that has had...
  44. Replies
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    If the YorkGuard is a bonnet sensor, I do not...

    If the YorkGuard is a bonnet sensor, I do not have one and the contractor didn't want to add it - maybe something about pressure limit. Also, don't understand why the furnace should go on when in HP...
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    Litser, I'm not a pro but my house is almost...

    Litser, I'm not a pro but my house is almost exactly the size and similar in config (2 floors. no basement) of yours. I am in NW AR which is probably hotter and colder than you yet you need a ton...
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    Don't mean to hi-jack but is there a layman's...

    Don't mean to hi-jack but is there a layman's (forget the Y1, Y2, W1, W2, etc.) explanation of how a duel fuel HP with NG furnace works? I have a 2 stage York YZH HP along with an 80%, modulating NG...
  47. Replies
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    Where are you, what size house do you have and...

    Where are you, what size house do you have and have you had a Manual J done? The HP sounds like 5 tons and the 120k furnace is big too. I have a good size house with a new York duel fuel that uses...
  48. No they are typically very helpful. I am not a...

    No they are typically very helpful. I am not a pro and this site has been great. They are very up front about not talking cost which depends on your home, your equipment, your problem where you are...
  49. My multi-stage York HP only comes in 2,3,4,5 tons...

    My multi-stage York HP only comes in 2,3,4,5 tons with no in-between. I thought that this was not unusual.
  50. Replies
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    I have heard a number of times that once you make...

    I have heard a number of times that once you make 21 days you have a new habit - this one is NOT smoking.

    I just quit (AGAIN - stopped for a year once) and I am on my 2nd week with no patch. But...
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