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Type: Posts; User: jimpy

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  1. Replies
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    can I just use a standard air temp thermometer at...

    can I just use a standard air temp thermometer at the two spots?
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    If the nearest supply and the nearest return are...

    If the nearest supply and the nearest return are about 10' apart, around a corner, what would that air temps at the two spots tell me? Just curious.

    I am in Knoxville, TN so if anyone has a...
  3. Replies
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    So, if a zoned system is out of the question and...

    So, if a zoned system is out of the question and the unit is too new to replace and it is not advisable to install a larger than spec blower motor, does anyone have any other suggestions? I feel I...
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    how would a multi-speed fan differ from the...

    how would a multi-speed fan differ from the variable speed blower motor I have now?
  5. Replies
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    The unit is five years old. The only other room...

    The unit is five years old. The only other room that could use a return is the only place I can't get a return back to the unit. How much trouble is it to retro-fit a zoned system into an existing...
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    will adding more cfm reduce efficiency of cooling...

    will adding more cfm reduce efficiency of cooling since more/faster airflow across coil? I guess it could be trimmed back on cooling side, right, so as to blow at same cfm (or nearly so) as...
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    return in hall and another in DR.

    return in hall and another in DR.
  8. Replies
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    849

    yes, 80K btu seems about right, but could a...

    yes, 80K btu seems about right, but could a larger blower get installed, say bumping from 2.5 tons to 3 or from 3 to 3.5 tons? Can't remember what size this unit is and just wrote model # before...
  9. Replies
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    yes, dampers are installed on most runs. I was...

    yes, dampers are installed on most runs. I was not pleased with airflow to some rooms (as noted), so I adjusted some slightly (marked original settings, though). Now, I can get more than adequate...
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    what size is this unit?

    American Standard

    AUY080R9V3W5

    It seems to not have quite enough CFM's to blow to far rooms. In other words, it heats the central portion of the house OK (just OK, though), but I have to...
  11. Thread: A/S t-stats

    by jimpy
    Replies
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    686

    Hey BaldLoonie So the VP is not capable of...

    Hey BaldLoonie

    So the VP is not capable of staging the backup. I guess that means the Trane/AS can stage the backup heat? And that means when the Trane/AS unit indicates its firing up the...
  12. Thread: A/S t-stats

    by jimpy
    Replies
    4
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    686

    other than the reversing valve differences, are...

    other than the reversing valve differences, are the installer codes the same on the Trans/AS as on the Honeywell VisionPro. I looked at the owner's manual for the Trane/AS and compared the codes...
  13. Thread: A/S t-stats

    by jimpy
    Replies
    4
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    686

    Is the "Ultimate" t-stat that A/S installed with...

    Is the "Ultimate" t-stat that A/S installed with my system the same as the Honeywell VisionPro 800 series. It sure looks the same.

    Also, I have a two stage gas furnace as backup to a heat pump....
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    ??

    ??
  15. Replies
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    Hey mayguy: My installer says the unit has...

    Hey mayguy:

    My installer says the unit has multiple cfm speeds available and that it is set at 350 cfm/ton at the factory. i have noticed that two rooms don't get enough heat and thus stay...
  16. Replies
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    Does anyone know what the factory set blower...

    Does anyone know what the factory set blower speed is for an American Standard model AUY080R9v3W 90% Var Spd gas furnace? Also, to what other CFM rates can it be changed? Can the lower fan speed...
  17. Replies
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    1,072

    Hmmm.. Wyounger, your comment is much...

    Hmmm..

    Wyounger, your comment is much appreciated. It makes me wonder why my contractor didn't tell me the HP would operate economically to such a low temp. If I had known that, I probably would...
  18. Replies
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    Doug, Doc and Woody: thanks for three great...

    Doug, Doc and Woody:
    thanks for three great responses. It seems that there is some disagreement over whether a 16 SEER uses less energy than a 14 SEER to provide me cooling. I would think that the...
  19. Replies
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    I live in Knoxville TN. I looked at the average...

    I live in Knoxville TN. I looked at the average daily temps for the last year. Assuming the balance point of a dual fuel system is around 35 degrees, I counted the number of days of avg daily temp...
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    I'm pretty much sold on a dual fuel system, but...

    I'm pretty much sold on a dual fuel system, but with gas prices most likely to continue climbing in the coming years, I'm having second thoughts. My question is this:

    American Standard system, 3...
  21. Replies
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    RE tinknocker service tech's reply about round...

    RE tinknocker service tech's reply about round pipe being more restrictive. I though it was the other way around, all things being equal.

    Also, now we are going to run (4) 6" lines off the 10"...
  22. Replies
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    knoxville, tn

    knoxville, tn
  23. Replies
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    Thanks for the input. Would you believe that NO...

    Thanks for the input. Would you believe that NO ONE in my town will do a Manual D. I really don't think they know how. They DID do a manual J, though, and showed it to me. Manual D, though...no...
  24. Replies
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    My HVAC guy says that a 10" round pipe will...

    My HVAC guy says that a 10" round pipe will supply enough air for (3) 7" supplies plus a 6" supply. Is this right? Isn't the surface area of a 10" circle about 79 Sq In.? and the surface area of a...
  25. Replies
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    Thanks Steve: You've spurred a few more...

    Thanks Steve:

    You've spurred a few more questions.
    What's a start kit?
    Does a TXV normally come on the inside unit but not the outside unit and if not, why not, and how much should I expect to...
  26. Replies
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    OK: I have been reading for several months,...

    OK:

    I have been reading for several months, learning a lot from the professionals on this board. Everyone agrees that most problems come from poor installation. I am going to install a dual fuel...
  27. Replies
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    I have not quoted prices in any of my posts, so...

    I have not quoted prices in any of my posts, so any discussion of pricing seems a moot point But, since you ask, the Trane price was 72% higher than the Goodman price, but for a less-efficient...
  28. Replies
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    I am going dual fuel, with a Goodman 80% or...

    I am going dual fuel, with a Goodman 80% or possibly 93% Var Spd gas furnace as back up heat to a heat pump. Since Goodman does not offer a 15 or 16 SEER heat pump yet, is it advisable to install a...
  29. Replies
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    Sorry, but I have already checked with my local...

    Sorry, but I have already checked with my local utility and the only way I can get a TVA energy right approved contractor is to apply for financing of a new unit through the utility company.

    My...
  30. Replies
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    I have had little luck getting anyone to do a...

    I have had little luck getting anyone to do a manual J. I've posted about this before. They all want to do the 500-600 sf per ton rule of thumb. They also seem to possibly be oversizing their unit...
  31. Replies
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    Regarding the 8 minute fire on first stage-- Is...

    Regarding the 8 minute fire on first stage-- Is there a way to increase the first stage firing time to a period longer than 8 minutes? Or is that not advisable?

    thanks
  32. Hey RoBoTeq Thanks again for your help. Would...

    Hey RoBoTeq

    Thanks again for your help. Would I need any special thermostats to control the low speed fan option and how user friendly are the settings to modify the cfm's and fan speed on the...
  33. Can someone tell me if the Goodman VS units have...

    Can someone tell me if the Goodman VS units have the ability to have the low speed of the blower modified? Or would you want to modify it? I'm not sure what speed the low speed is (i.e., what % of...
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    Guys: Thanks for the great info in the last...

    Guys:

    Thanks for the great info in the last few posts. If I do choose to go dual fuel, I will definitely go 80% on the gas furnace. Also, I often see where you tell folks to make sure to use a...
  35. Replies
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    I live in East Tennesse where the winters don't...

    I live in East Tennesse where the winters don't really get cold until the end of November and extend through February at the latest. Cold temperatures usually in the 20-30 degree range, although it...
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