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  1. This is the Ask Our Pro's forum, and only Pro...

    This is the Ask Our Pro's forum, and only Pro members that have been vetted by the AOPC may post advise here. Please apply to the AOPC today, thank you.

    You can find the rules for posting and...
  2. Replies
    10
    Views
    819

    This is the Ask Our Pro's forum, and only Pro...

    This is the Ask Our Pro's forum, and only Pro members that have been vetted by the AOPC may post advise here. Please apply to the AOPC today, thank you.

    You can find the rules for posting and...
  3. This is the Ask Our Pro's forum, and only Pro...

    This is the Ask Our Pro's forum, and only Pro members that have been vetted by the AOPC may post advise here. Please apply to the AOPC today, thank you.

    You can find the rules for posting and...
  4. Replies
    23
    Views
    1,554

    This is the Ask Our Pro's forum, and only Pro...

    This is the Ask Our Pro's forum, and only Pro members that have been vetted by the AOPC may post advise here. Please apply to the AOPC today, thank you.

    You can find the rules for posting and...
  5. Replies
    43
    Views
    3,071

    This is the Ask Our Pro's forum, and only Pro...

    This is the Ask Our Pro's forum, and only Pro members that have been vetted by the AOPC may post advise here. Please apply to the AOPC today, thank you.

    You can find the rules for posting and...
  6. Replies
    43
    Views
    3,071

    This is the Ask Our Pro's forum, and only Pro...

    This is the Ask Our Pro's forum, and only Pro members that have been vetted by the AOPC may post advise here. Please apply to the AOPC today, thank you.

    You can find the rules for posting and...
  7. Replies
    25
    Views
    14,516

    So if I hook up the "C" terminal at the two stage...

    So if I hook up the "C" terminal at the two stage stat with a sixth wire and hook it to the furnace board at the common--------your telling me I can charge the non-chargeable batteries that come with...
  8. Replies
    19
    Views
    1,698

    Is that what Carrier is ----is 10 minutes? Does...

    Is that what Carrier is ----is 10 minutes? Does the carrier cut in./H20 in half on first stage. I'm finding that almost none of the 2 stage manufacturers cut input by 2.
    Wonder why?...
  9. Replies
    25
    Views
    14,516

    All the batteries do, are to maintain the...

    All the batteries do, are to maintain the computer program in a power outage or if you take it off the wall. The batteries that come with any of the honeywell's (I think) are not rechargeable. So...
  10. Replies
    19
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    1,698

    I'm informed by Heil, their 95% 2 stage funaces...

    I'm informed by Heil, their 95% 2 stage funaces will run on first stage for 12 minutes with a single stage stat, when the dip switches are left at the factory settings.(Then it kicks into high fire)...
  11. Replies
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    14,516

    I thought the "C" on the furnace interface board...

    I thought the "C" on the furnace interface board was for the common. When (and if) the 2nd stage kicked in--wouldn't I have a direct short between 24 volt transformer common and W2?
    RB
  12. Replies
    15
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    1,442

    I'm a little confused. You say none have done a...

    I'm a little confused.
    You say none have done a Manual J, but they have all done a room by room analysis. Maam, that's what a manual J is.
    Did I miss something here?
    RB
  13. Two out of five agree. You knew the odds would...

    Two out of five agree.
    You knew the odds would catch up to us sooner or later. Like winning the lottery.
    Do the load........................
    RB
  14. Very basic rule of thumb from an old fart who's...

    Very basic rule of thumb from an old fart who's been doing this for 40 years.
    Hold your furnace return door about 2 inches from the furnace. If it snaps back to the equipment- you could use more...
  15. cute kid-------- try to talk him out of being an...

    cute kid--------
    try to talk him out of being an HVAC guy-------
    no money
  16. Chicago has somewhat the same degree days as Des...

    Chicago has somewhat the same degree days as Des Moines. So I used 80 for a delta T.
    I used 1300 sq.ft. 1st and 1300-2nd floor (sguared both at 36by36 or 144 lineal ft.) at r-11 with r-4 windows...
  17. I like the picture. Who are you talking to---me?...

    I like the picture. Who are you talking to---me?
    RB
  18. The older Uniform Mechanical codes (at a minumum)...

    The older Uniform Mechanical codes (at a minumum) required at least 2 sq. in./1000 BTU of duct size. And to help with whistle add an extra 20% on the return side.
    Manual J from ACCA is easy to do....
  19. I looked at the installation instructions for...

    I looked at the installation instructions for this unit(the 27 model). I never saw anything in there that refered to hanging the unit from the wall. The ceiling, yes. I'm not sure how you would hang...
  20. Generally a lot of sound attinuation through the...

    Generally a lot of sound attinuation through the duct work can be attributed to no duct vibration isolation material. Is there any rubber or cloth material between the geo unit and your return and...
  21. Replies
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    568

    2006 International Energy Conservation Code...

    2006 International Energy Conservation Code requires duct sealing if that book has been adopted in your area.
    RB
  22. Why change? Do you suspect a leak will form? You...

    Why change? Do you suspect a leak will form? You can't get r-22? Are you not certified to buy R-22? I personally do not care for the higher pressures. My 2 cents.
    RB
  23. My suggestion would be to find yourself an ACCA...

    My suggestion would be to find yourself an ACCA Manual J, and do a heat loss to begin with. Sounds like a lot of furnace. 40,000 something might suite your needs better. The basic difference between...
  24. Replies
    103
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    10,179

    The benefits outweigh the problems that may be...

    The benefits outweigh the problems that may be created by not having fresh air brought in. Please do not try to put a price on your health. Bring in some fresh air. However, there are many variables...
  25. Many other appliances may cause CO. Are they sure...

    Many other appliances may cause CO. Are they sure the CO was produced from the furnace? And was the instrument calibrated correctly before their entry into the house?
    Rick
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