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Type: Posts; User: penderway

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  1. Replies
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    Unless you've kept the original accumulator in...

    Unless you've kept the original accumulator in place.. then put it after the accumulator and before the compressor to give the most protection to the compressor. Right?
  2. Is the gauge accuracy 1% or 3%? Which P/T charts...

    Is the gauge accuracy 1% or 3%? Which P/T charts are on the face?

    Sure is Pretty! How much would it take for you to part with 'em?
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    Thanks everyone, for this thread... I learned and...

    Thanks everyone, for this thread... I learned and laughed a whole lot :)
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    You can, if you wish, pipe the suction dryer...

    You can, if you wish, pipe the suction dryer outside the condenser (as long as it's still in the true suction line). I've done it when there was no other choice.


    I sure was ugly though, cutting...
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    Some may think this is overkill, but I say, you...

    Some may think this is overkill, but I say, you can't be too careful when assuring your replacement compressor will have a long life.

    One thing I try to always do is, drain the all the oil from...
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    Have a load calculation done. You'll probably...

    Have a load calculation done. You'll probably find that your basement has very little sensible gain. Most A/C's have more sensible capacity than Latent. Humidifiers are mostly latent removal with a...
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    That Thar is what we calls a "field engineered...

    That Thar is what we calls a "field engineered special retrofit".

    I really admire the precautions taken to prevent the plastic drain pan from melting due to High furnace temperature rise when the...
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    Suction lines rarely sweat in Arizona... but...

    Suction lines rarely sweat in Arizona... but neither do beer cans... so they still git er done! :)
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    That's what my uncle taught me when I was 15! We...

    That's what my uncle taught me when I was 15! We changed out compressors in that apartment complex almost daily :eek2:
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    Or the airflow is too high (too low if you have...

    Or the airflow is too high (too low if you have to remove refrigerant)
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    Staying within temp. rise specs is very important...

    Staying within temp. rise specs is very important for the life of the heat exchanger. You've pretty much got it other than the increasing air noise and draftiness. (but people usually don't mind 100+...
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    It will if you don't mind the added noise and...

    It will if you don't mind the added noise and possible draftiness (makes people not like heat pumps).

    You'll have to increase the horsepower of the motor as well. Look up "Fan Laws" here on...
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    Affirmative. The ACCA Manual D explains how to...

    Affirmative. The ACCA Manual D explains how to design an all flexible duct system with junction boxes. Spider system I believe it's called.

    It can perform perfectly if the procedure is followed...
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    No, it should not. A lot more information is...

    No, it should not.

    A lot more information is necessary. Do you have a psychrometer? Pipe clamp thermometers? If so, enter the needed info here....
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    Being a devils advocate, I have to say... that...

    Being a devils advocate, I have to say... that transition... is ever so slightly better than just an abrupt panned type transition. (maybe 1% better) LOL

    Panning the entrances and exits of...
  16. Thread: DeltaT

    by penderway
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    http://efficientcomfort.net/Charts/Charging&TDchar...

    http://efficientcomfort.net/Charts/Charging&TDchart.pdf
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    It's the only thing a non-pro believes he/her has...

    It's the only thing a non-pro believes he/her has control of.

    We should continue to educate and promote that airflow can govern the pressure's and temperature's, more than the amount of...
  18. Instead of NORTH TEXAS, maybe NORTH DAKOTA? I...

    Instead of NORTH TEXAS, maybe NORTH DAKOTA?

    I know they only open the swimming pools for 2 weeks, but they have labs on the oil sites that must need refrigeration.

    ND is Boomtown for natural...
  19. Really? A rookie who knows how to hook up gauges?

    I was almost offended when I discovered this is my status :grin2:

    Then I figured out that it has to do with the number of posts I have...

    It got me thinking about the whole like/dislike tally...
  20. Thread: QUESTION

    by penderway
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    LOL, No, I think we both totally confused. :)

    LOL, No, I think we both totally confused. :)
  21. Thread: QUESTION

    by penderway
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    Yes, compressor for an air conditioning system....

    Yes, compressor for an air conditioning system. The larger coils add efficiency.

    For my own house I put in CU and TXV at indoor coil.
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    Would't hurt to try, test it by closing the...

    Would't hurt to try, test it by closing the supply register.

    I've found that it only adds more resistance to the duct system and any extra airflow is distributed though out, so the room that needs...
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    X2 If there is a floor drain, just plug in a...

    X2

    If there is a floor drain, just plug in a dehumidifier.
  24. Thread: QUESTION

    by penderway
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    Perform a Manual J block load calculation. You...

    Perform a Manual J block load calculation. You may find out that the space only needs 2 or 2.5 tons.

    I've downsized several compressors when appropriate. One upside is that you'll likely have...
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    or add another outlet to the room. Stretch the...

    or add another outlet to the room.

    Stretch the flex tight for maximum performance.
  26. Thread: Bad judgment

    by penderway
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    1,639

    A Goodman sized right with proper airflow will...

    A Goodman sized right with proper airflow will outlast most advertised brands that aren't.

    Unless of course they are stock full of temperature and pressure safeties, crankcase heater, hard shut...
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    Gary, you're right according to post #6. While...

    Gary, you're right according to post #6. While possible, I doubt it occurs with any regularity. The bubbles are typically just the refrigerant as a vapor (among the refrigerant as a liquid).
    ...
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    Shellkamp, you have plenty of time. :) Contest...

    Shellkamp, you have plenty of time. :)

    Contest ends midnight October 12th 2015 or when I've paid out the full $100, whichever comes first
  29. Thank you!

    Thank you!
  30. Can I get a link edited and a post deleted?

    In my thread http://hvac-talk.com/vbb/showthread.php?1743861
    the second link in my first post is corrupted and I cannot edit it now. The correct link is:

    ...
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    You'll need to Google "gas laws" for a real...

    You'll need to Google "gas laws" for a real scientific explanation. :) but here's how I try to explain it...

    The visible bubbles in a liquid, or droplets in a gas, indicate that the refrigerant is...
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    Fluctuating pressures and temperatures can be...

    Fluctuating pressures and temperatures can be tough to diagnose. Using averages can be helpful but not always.

    A current limitation of the online app is that it can only take a "snapshot" of the...
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    Contest! "Wayne's Brain Challenge II"

    Late last summer I posted a contest to find errors in my online air conditioning diagnostic application... a.k.a. "Wayne's Brain A/C Analyzer". The contest was tremendously beneficial in advancing...
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    Will be great to know how it turns out. Projects...

    Will be great to know how it turns out. Projects like this good to learn from.
  35. The nicest thing about those driers is that you...

    The nicest thing about those driers is that you have room to "cut" them out without needing more line length to attach the new drier.

    Torching out a drier releases it's trapped moisture back into...
  36. You're probably right. :( It's already difficult...

    You're probably right. :(
    It's already difficult to teach "System Effect" to designers and installers. Code officials may never comprehend it.
  37. No, I was taking Rayr's word for it... ...

    No, I was taking Rayr's word for it...

    Wishful thinking get's me in trouble sometimes... I'm so gullible ;\
  38. JT, please enlighten me on the humor. I sometimes...

    JT, please enlighten me on the humor. I sometimes don't get it the first go round.

    I feel i'm out of the loop here <confused>
  39. Good thing! Is it a county or state code? I...

    Good thing!

    Is it a county or state code?

    I don't remember supply plenums being addressed in the International Mechanical Code book.
  40. All heating mode charging methods are guesses....

    All heating mode charging methods are guesses. Even weighing it in is only correct with at least one match up and rated CFM across both coils.

    Good advice given by Captaincompressor, I would only...
  41. Very nice ductwork! It appears thought was put...

    Very nice ductwork! It appears thought was put into this design to avoid "System Effect".

    15 degree or less evase on the first fitting and enough length for 100% static regain... CHECK!
    Turning...
  42. Isn't the 4011 a thermistor? A bit more accurate...

    Isn't the 4011 a thermistor? A bit more accurate but slower to respond? With a 80pk thermocouple you see right away when liquid floods back. No delay, and the accuracy of a 80pk thermocouple is very...
  43. Leaves his scent mark globally

    Leaves his scent mark globally
  44. Separated by the Appalachian Mountains

    Separated by the Appalachian Mountains
  45. Thread: Free Heating

    by penderway
    Replies
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    Well said (whoever said it), but the cost of...

    Well said (whoever said it), but the cost of shipping and handling can vary greatly on system matching, sizing, ducting and charging.

    Damage upon arrival is also way too prevalent. :)
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    I don't think piston size or a TXV is gonna fix...

    I don't think piston size or a TXV is gonna fix your issue.

    The metering device is typically sized to the compressor on a matched system, and #63 indoor piston doesn't seem abnormal for an r-22 2...
  47. Makes my belly hurt laughing

    Makes my belly hurt laughing
  48. Such a fact does not exist. Do a search for...

    Such a fact does not exist.

    Do a search for "furnace fan control" and an answer might be found. (along with a thermostat that has a fan "auto" and "on" switch)
  49. Can't give step by step diy instructions in this...

    Can't give step by step diy instructions in this open forum. "DANGER... WILL ROBINSON!"

    Apply for Pro Membership and a wealth of knowledge awaits. There are many seasoned and well trained...
  50. T-stat controls blower in cooling mode. In...

    T-stat controls blower in cooling mode. In conventional heating mode (non heat pump) the blower is controlled by the furnace.

    Thermostat has no reason to energise the condenser without the...
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