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  1. Thread: TXV

    by rundawg
    Replies
    5
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    181

    Normal? There is no normal. Piston metering...

    Normal? There is no normal.

    Piston metering devices can have proper super heat anywhere from 4ºf to 50ºf depending on the outdoor dry bulb temp and indoor wet bulb temp, with their subcooling all...
  2. Thread: TXV

    by rundawg
    Replies
    5
    Views
    181

    Dear? Usually, only my wife calls me that when...

    Dear? Usually, only my wife calls me that when she is about to lecture me on something. :)
  3. Thread: TXV

    by rundawg
    Replies
    5
    Views
    181

    There are three fundamental pressures acting on...

    There are three fundamental pressures acting on the valve’s diaphragm which affect its operation: sensing bulb pressure P1, equalizer pressure (evaporator pressure) P2, and equivalent spring pressure...
  4. Is this “condense pump” you are talking about,...

    Is this “condense pump” you are talking about, external to the furnace?
  5. Thank you for the info. You don’t have one,...

    Thank you for the info.

    You don’t have one, but I was concerned that a natural draft water heater (gas) was possibly back drafting, causing CO to enter your home.

    I’m glad that scenario has...
  6. Was the gas company checking for natural gas...

    Was the gas company checking for natural gas leaks or actually testing for levels of Carbon Monoxide (CO)?

    Were they testing at the equipment (furnace) or in the occupied spaces of the home?
    ...
  7. I did actually come across this info, but be...

    I did actually come across this info, but be seeing as this thread was started over two months ago, I figured it was OBE.

    I will post it anyway - see attachment.
  8. Replies
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    What is the model number of the indoor coil, and...

    What is the model number of the indoor coil, and furnace?

    R22 or R410A?

    Assuming the outdoor unit was a Goodman match to the indoor coil, and R410A, the Goodman “Long Line Guidelines” states...
  9. Replies
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    The good CO monitors I know of are the CO Experts...

    The good CO monitors I know of are the CO Experts PG2017-5, the Defender LL6070, and the NSI 3000.

    The later one can only be purchased through a Contractor who has been trained in CO Safety and...
  10. Replies
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    Everyones tolerance to CO is different, as the...

    Everyones tolerance to CO is different, as the elderly and young, are the most susceptible.

    Long term low level exposure to CO is more dangerous than short durations of high levels of CO.

    I...
  11. Replies
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    1,039

    Depends on how much value you place on your...

    Depends on how much value you place on your safety.

    Most fire departments will not walk into a building without breathing apparatus on when the CO is greater than 35 ppm. Is sitting in 69 ppm...
  12. Replies
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    1,039

    If you turn it around and look at the writing on...

    If you turn it around and look at the writing on the back, it will say “Conforms to UL Standard 2034”.

    This means it will not alarm until it is sitting in 70 ppm for at least one hour (as "pecmsg"...
  13. Replies
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    1,039

    Thanks for that model number. You will be happy...

    Thanks for that model number. You will be happy with the improved utility bills with a newer more efficient unit.

    The GR4GA was a 10 SEER unit, and today standard is 14 SEER minimum.
  14. Replies
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    Now we are getting into troubleshooting, which...

    Now we are getting into troubleshooting, which this forum does not allow.

    Only testing with a Volt Ohm Meter will determine the actual cause, and prevent guessing, which is in no ones best...
  15. Replies
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    326

    Two thing: 1. This particular forum (AOP...

    Two thing:

    1. This particular forum (AOP Commercial HVAC) is for owners of Commercial equipment to ask general/non-technical questions. You need to click on the small black triangle next to the...
  16. Replies
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    1,039

    None. As long as you are not turning the gas...

    None. As long as you are not turning the gas burners on, you can run the AC all day long.

    Please prepare to replace this unit in the late summer, as you do not want to operate this system with a...
  17. The "My Home Comfort" website is National Comfort...

    The "My Home Comfort" website is National Comfort Institutes site for finding contractors who are certified in CO safety and Combustion Performance (testing).
  18. Here is publication on this subject - see...

    Here is publication on this subject - see attachment.
  19. Go to this site -...

    Go to this site - https://www.myhomecomfort.org/why-you-need-a-carbon-monoxide-test/

    and see if you can find a contractor in your area who has been trained in CO Safety and Combustion Performance.
  20. Do you have any Carbon Monoxide (CO) monitors in...

    Do you have any Carbon Monoxide (CO) monitors in the home? Preferably "Low Level" CO monitors that will indicate at levels starting at 5 -10 ppm.
  21. Replies
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    No they are not required. Check your inbox,...

    No they are not required.

    Check your inbox, as I sent you an email on this.
  22. Replies
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    8,778

    https://hvac-talk.com/vbb/showthread.php?431542-Wo...

    https://hvac-talk.com/vbb/showthread.php?431542-Would-you-like-to-understand-electricity
  23. Replies
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    451

    Bad capacitors are known for causing several...

    Bad capacitors are known for causing several issues when it comes to correct motor operations.

    I'm sure you will put your electrical talent to work and solve this problem.

    Keep us posted as to...
  24. Replies
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    Unfortunately, only electrical testing of the...

    Unfortunately, only electrical testing of the capacitor and fan motor will definitively confirm which is the problem.

    With that said, this forum does not allow us to provide you with step by steps...
  25. Replies
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    209

    I agree. The thread does not exist, so start a...

    I agree. The thread does not exist, so start a new one.
  26. Yes it is. Thanks for all your work. :cheers:

    Yes it is. Thanks for all your work. :cheers:
  27. It has been that way since the trouble began. ...

    It has been that way since the trouble began.

    The mobile version works too, but not the desktop version for getting into the PRO- Residential forum.
  28. I’m an IT idiot, but if your knowledge is above...

    I’m an IT idiot, but if your knowledge is above those who continue to make this forum work on a daily basis, please reach out to them and offer your assistance.

    Questioning those who continue to...
  29. Replies
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    As a "Facilities Manager" (noted in your...

    As a "Facilities Manager" (noted in your profile), do you, or your tech, have access to a Trane Parts Center?

    They can easily assist you with this compressor swap out.

    Note: Determining why...
  30. The entire site was intermittent this afternoon...

    The entire site was intermittent this afternoon (I'm sure they were working on issues), then it came back to life (working normally). Shortly there after, the "Pro- Residential" forum went back to...
  31. Yes we are, sorry. I hate to complain with all...

    Yes we are, sorry.

    I hate to complain with all you guys have done these last several days.
  32. Yes it did. Thanks for continuing to try and...

    Yes it did. Thanks for continuing to try and reach a solution on this.
  33. You are correct. It has always worked "OK" on the...

    You are correct. It has always worked "OK" on the mobile version.
  34. I see that too. Back to the "502 Bad Gateway"...

    I see that too. Back to the "502 Bad Gateway" error when trying to OPEN the "PRO- Residential" forum.

    I'm going to say it is short lived due to the number of other issues they are working on.
    ...
  35. Replies
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    SWEET!!! Thanks Michael. I owe the two of...

    SWEET!!!

    Thanks Michael.

    I owe the two of you dinner and cocktails.

    You have saved me a lot of emailing pdf's to guys because the upload file size was not large enough.
  36. Replies
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    Problem solved! We are back to being able to...

    Problem solved! We are back to being able to upload pdf's up to 5.0MB's.

    Robb, thanks for your tireless efforts on a this Sunday, and always. :cheers:

    Once things calm down, and you are bored,...
  37. Replies
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    357

    Hummmm........... Like I said, I'm sticking...

    Hummmm........... Like I said, I'm sticking with Dementia setting in. :)

    Thanks for you efforts.
  38. Replies
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    Hummmm........... Like I said, I'm sticking...

    Hummmm........... Like I said, I'm sticking with Dementia setting in. :)

    Thanks for you efforts.
  39. Replies
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    357

    Thanks.

    Thanks.
  40. Replies
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    Max upload PDF is short

    I see that in the "?" tab for "File Upload Manger", but no PDF over 999 bytes (.999 KB) will upload.

    So any pdf of 1.0 KB to 5.24 MB (5,242,880) size, will not upload.

    Question: Didn't the max...
  41. Will do. I'm sure he is working on the pdf...

    Will do.

    I'm sure he is working on the pdf upload issue, where nothing larger than 999KB will upload.

    Tell him thanks for us.
  42. Robb, you are the man!!!! :cheers: The...

    Robb, you are the man!!!! :cheers:

    The Pro-Residential forum is back up. No more error (502 Bad Gateway) when trying to open it.

    I would be interested to know what the problem was, but the...
  43. Replies
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    899

    Model number please.

    Model number please.
  44. No problem. I completely understand, no pressure...

    No problem. I completely understand, no pressure from my end.

    Time will get it all resolved.

    Even with the problems, it’s great to be back to the old format.
  45. No I don't. The bottom line to all this is, I...

    No I don't. The bottom line to all this is, I don't want to use my iPhone to access the Pro Residential forum even if it worked, I want to use my computer, where all my files reside.
  46. Thanks, but I have tried that same thing on my...

    Thanks, but I have tried that same thing on my iPhone and lost - still doesn't work.
  47. I have deleted just about everything possible on...

    I have deleted just about everything possible on my computer, moved to different networks, changed States (Virginia to Georgia), swapped computers (Mac and PC, both mine and other peoples), and still...
  48. I have deleted just about everything possible on...

    I have deleted just about everything possible on my computer, moved to different networks, changed States (Virginia to Georgia), swapped computers and IP addresses, and still have the same problem.
    ...
  49. Robb: Another question and please don’t laugh at...

    Robb: Another question and please don’t laugh at me because I’m the furthest thing from an “IT guy”.

    Have you tried to access this specific forum from outside your internal workplace network?
  50. Bummer!! It sounds like there are several of...

    Bummer!!

    It sounds like there are several of us with this problem, so do you have any suggestions on how we can further troubleshoot this from our end?

    Also, can you explain why it works on...
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