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  1. Replies
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    503

    Why are you being so defensive? You are...

    Why are you being so defensive?

    You are receiving help for free.

    Yes, the beer can cold comment was a bit of silly ribbing, but all the others are legit.

    Icanhas was suggesting voltage...
  2. Replies
    44
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    503

    We don't have much to go on here. You apparently...

    We don't have much to go on here.
    You apparently can't trouble shoot the issue.
    We cannot see what you're looking at.
    When you say furnace, is it an electric furnace, hydronic furnace, gas...
  3. Replies
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    503

    Sounds like there's some connection backwards, or...

    Sounds like there's some connection backwards, or the board is faulty causing more than one load in series.
    I would also double check the blower wiring and capacitor.
    Check the voltage to the...
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    702

    My concerns would be ref flood back and duct...

    My concerns would be ref flood back and duct sweat.

    1st, Like the captcomp said, make sure you have a suction accumulator.

    2nd install a freeze stat on the coil that will energize low speed...
  5. Replies
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    1,129

    It's funny that everyone compares the hoses at 6'...

    It's funny that everyone compares the hoses at 6' lengths.
    Let's keep in mind, friction rate has to do with length as well as diameter.

    I do believe that a larger hose will evacuate more...
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    260

    It's a great tool for calibrating other testing...

    It's a great tool for calibrating other testing tools like vane & hot-wire
    anemometers, but like Rundawg said, you gotta have a nice straight section of duct, or an area of low turbulence.
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    453

    In an open ended enclosure (pipe or duct) at a...

    In an open ended enclosure (pipe or duct) at a continuous volume of flow, static pressure will reduce as velocity increases.
    Likewise, velocity will reduce as static increases.
  8. Replies
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    453

    Pressure which is perpendicular to direction of...

    Pressure which is perpendicular to direction of flow.
  9. Replies
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    2,050

    Does anyone have a link to a government site...

    Does anyone have a link to a government site proclaiming this is law?
  10. Replies
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    1,002

    You need to evaluate how much the job is worth to...

    You need to evaluate how much the job is worth to you.

    If you are prepared to gather facts, letters from mfg's for proper line sizing, and then having an ongoing dispute with the HOA, then do the...
  11. My question on the two wire kickstart is, does it...

    My question on the two wire kickstart is, does it reduce running efficiency due to the fact that two inductors are in series? The pot relay and the start winding. Though, I guess the pot relay coil...
  12. Yes, you need to alter your combustion air value...

    Yes, you need to alter your combustion air value if you use a direct vent furnace.
    I routinely remove 100Mbtu furnaces and replace with 80's, sometimes 60's.
  13. Replies
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    It will give you the total capacity of the...

    It will give you the total capacity of the system.
    If you can accurately read the condenser fan cfm, and temp diff. Then simply use sensible heat formula - fan & compressor heat.
    Good luck with...
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    544

    I would test for the root cause, and yes I would...

    I would test for the root cause, and yes I would advise in many cases the blower will fail in the near future.
    You could also perform a motor winding insulation test. This may or may not prove to...
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    766

    From what I've read dealing with multiple motor...

    From what I've read dealing with multiple motor equipment having internal over load protection , the Min Amp rating is given by calculating 125% the largest motor's RLA + 100 % all other motors' RLA.
  16. Replies
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    766

    You may want to read Timebuilders post and take...

    You may want to read Timebuilders post and take his suggestion to read article 440...
  17. Typically you would size the supply vents by the...

    Typically you would size the supply vents by the amount of throw or face velocity you are trying to achieve. Normal range is usually 400-600 fpm.

    With 20 4"x10" supplies delivering 1200 cfm, your...
  18. I wonder if this a solid state stator design? I...

    I wonder if this a solid state stator design?
    I bought a gasless yard trimmer a year ago with this technology.
    http://coreoutdoorpower.com/technology/

    I made a post about it, but only one...
  19. Replies
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    1,309

    With a cap double the rated size, you may have...

    With a cap double the rated size, you may have over heated the compressor, but the internal over load would take it out. Continually overheating a compressor can cause not only windings to weaken,...
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    I'm not understanding the math. Where did the...

    I'm not understanding the math. Where did the extra multiple of 1000 come from?
    You're saying a 3/4hp motor will supply 33,557,000 watts of work in an hour?
  21. Replies
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    33557 kWh is 33,557,000 watts per hour?

    33557 kWh is 33,557,000 watts per hour?
  22. Replies
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    The formula is to calculate reactance. XC = 1 /...

    The formula is to calculate reactance.
    XC = 1 / (2 π x f x C)
    Where:
    XC = capacitive reactance
    f = frequency
    C = capacitance
    Π = 3.141592654

    So, we take the known 1/ (2 π x 60) = 0.00265258
  23. Replies
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    I'm on my 3rd pair of Dr. Martens in 3 years....

    I'm on my 3rd pair of Dr. Martens in 3 years. They are the most comfortable full leather shoes I've worn. I can't do boots...
    The first pair is not worn out I just scuffed them up and got them too...
  24. I never understood,"trade-in" or "buy-back"...

    I never understood,"trade-in" or "buy-back" programs from mfg's. It's kinda misleading, as if we can do something with the old junk unit, besides scrapping the metal.
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    Masters licenses in each field you plan to...

    Masters licenses in each field you plan to perform work in, and a contractors license A,B, or C.
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