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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...
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    694

    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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    694

    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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    694

    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.
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    694

    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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    694

    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
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    662

    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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    662

    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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    662

    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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    ??

    ??
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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...
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    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...
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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...
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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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    2,848

    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"...
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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...
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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...
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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...
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