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  1. Realmsteel: What I believe has changed is the...

    Realmsteel: What I believe has changed is the pan's seal to the chassis that it sits under. The water level in the pan is normal.

    Dennis: You were working on a similar First Company air handler?
  2. Doesn't make sense: Air leak causes water to overflow ceiling AH.(pics & vid inside)

    I've never seen this before. Now I've seen it twice in a month. The video is something I did for the landlord of the first unit I saw. The pictures are from the second. Both are First Company air...
  3. Tim: Thanks very much. That's good knowledge,...

    Tim:

    Thanks very much. That's good knowledge, of which I understand partially. I doubt my meter can read a change in duty cycle. It can read frequency, so I'll check that next time.

    Anyone:
    ...
  4. Well... Now that you say that, maybe not. Thanks...

    Well... Now that you say that, maybe not. Thanks for planting uncertainty. (j/k ;))

    I'll be going back in a week or two. I'll check again. If I don't read a voltage drop I'll take a picture or...
  5. How does the ICM3XX head pressure control reduce fan speed?

    I assumed it did so by lowering the voltage. However, after installing this one I see that the input and output voltage are the same even when the condenser fan is running slow.

    The next thought...
  6. Thank you for the feedback gents.

    Thank you for the feedback gents.
  7. Thank you Sic! The point of this thread is to, if...

    Thank you Sic! The point of this thread is to, if possible, avoid compressor removal. :) Maybe it's a crazy thought, but I won't know till I try.
  8. I've performed a lot of searches on this forum...

    I've performed a lot of searches on this forum and on the net in general. It appears that, for high temp at least, R-438A is the best no oil change choice and R-407C is the best "some oil change...
  9. It's not to sample. It's to convert to from R-22...

    It's not to sample. It's to convert to from R-22 to R-407C.

    I don't know if this is widely accepted, but it's what I'm going with: The gentleman that put this class on states that we need only a...
  10. Quickest way to extract *some* oil from a compressor that's not being replaced?

    My thought is to cut the suction line and use an automotive style extractor.

    Thoughts on that idea? Better ideas?

    I think it might work well on a recip. I'm not as certain about scrolls.
  11. I realize it's not necessarily popular, but...

    I realize it's not necessarily popular, but soldering with Stay-Bright 8 will keep it a lot cooler. By the time I've finished soldering a typical joint, the liquid soap has only started to boil.
    ...
  12. deleted (Don't have the * next to my name! :))

    deleted

    (Don't have the * next to my name! :))
  13. Thread: UV Lights

    by Irascible
    Replies
    66
    Views
    41,225

    In reply to the preceding post: Sterilizing...

    In reply to the preceding post:

    Sterilizing the coil might be needed in humid climates. It’s certainly not needed here (a dry climate) in a typical residential application. Regardless of the...
  14. Replies
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    539

    Min and max settings are useful, but it's the...

    Min and max settings are useful, but it's the program that I need to lockout.

    I'll read up on those suggestions and others that may come. I appreciate the help.
  15. Replies
    8
    Views
    539

    Best option for t-stat with lockout?

    I have a customer that wants to lockout the program, leaving occupants with only the ability to temporarily change the setting - a fairly common request I think.

    I liked the Totaline thermostats...
  16. Thread: UV Lights

    by Irascible
    Replies
    66
    Views
    41,225

    Let me rephrase that old post by saying that it's...

    Let me rephrase that old post by saying that it's about a fifth of a second of exposure, depending. You're not going to sterilize much of anything in a fifth of a second.
  17. Replies
    24
    Views
    1,641

    More details? An X SEER condenser with a recip...

    More details? An X SEER condenser with a recip and an X SEER condenser with a scroll is still X SEER. Or are we talking about some other measure?

    That's not to imply I would choose recip if I...
  18. Replies
    12
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    2,119

    Stating the obvious here: A referral isn't fool...

    Stating the obvious here: A referral isn't fool proof, but it's 200% better than calling Joe Schmoe out of the phone book. :)
  19. Replies
    42
    Views
    3,156

    All the links work on my 'puter dan.

    All the links work on my 'puter dan.
  20. Replies
    42
    Views
    3,156

    Suhweet white paper brain overloading geek-heaven...

    Suhweet white paper brain overloading geek-heaven goodness!

    This is bookmarked for when I get some down time. Well... if I get some down time. What's down time again?

    Random thought: The...
  21. Replies
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    1,641

    I stick mostly to central Contra Costa. I've gone...

    I stick mostly to central Contra Costa. I've gone much farther, but those were unusual circumstances in which the homeowner agreed to deal with the limitations of a distant contractor. If you want a...
  22. Replies
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    2,119

    Read that over and over and over again. :) ...

    Read that over and over and over again. :)

    I've had painters to my house recently. (True story.) I spent at least 30 minutes each grilling them on how exactly they're going to prep and paint the...
  23. Replies
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    Views
    1,641

    [COLOR=black][FONT=Verdana]This. You want the...

    [COLOR=black][FONT=Verdana]This.

    You want the best contractor, period. Educate yourself about HVAC till you can't stand it. Then you'll be better prepared to figure out which contractor (if any)...
  24. Moisture removal is the product of how cold the...

    Moisture removal is the product of how cold the coil surface is, how much coil surface there is and how much airflow is going through the coil. The colder the coil, the more moisture that's removed....
  25. I imagine almost everyone is doing that. Cheating...

    I imagine almost everyone is doing that. Cheating on green tax credits is the new black. In most cases it's not moral or legal of course.
  26. Correct. Let's be real. The government ...

    Correct.

    Let's be real. The government isn't that generous. Of course it's a trick to say that the AC comprises only 17% of the total cost. That's not tax or legal advice. That's just obvious. :)
  27. You mentioned the 165A and 126B in another...

    You mentioned the 165A and 126B in another thread. I checked on the 165A and found 4 ARI matches with a 4 ton coil: 3815885, 3815886, 3493443 and 3493437. So yes, a 4 ton coil is approved depending...
  28. I appreciate the fixation on diffusers. It's a...

    I appreciate the fixation on diffusers. It's a valid suggestion, but it isn't going to happen - period. They already replaced them once. They're not going to do it again. The diffusers they currently...
  29. It's a reasonable suggestion bigtime. But I'm 99%...

    It's a reasonable suggestion bigtime. But I'm 99% certain we're going to be using a deflector like the one linked. As stated before, they spent a lot of money on high quality diffusers already...
  30. Regarding the damper, it's not a question of...

    Regarding the damper, it's not a question of volume. It's a question of direction. They want the cold air to diffuse into ambient air as much as possible before it settles to chair level, hence their...
  31. Found it on page 6:...

    Found it on page 6:
    http://www.jandjreg.com/PDF/ProductCatalog/GRD/JJSquareRoundDiffusers.pdf

    That gets us close. They already dropped some serious coin on similar diffusers. They, their clients...
  32. Alternative air deflectors for 24x24 t-bar diffusers?

    This company's product is of interest:

    http://www.comfortfirst.us/controlaflow.htm

    Know of any others? I don't need the filtering mechanism. I just need to deflect air. Hanging a piece of...
  33. ange stops + 2 hour operation + non-programmable: Is there such a thermostat?

    That is to say: range stops + 2 hour operation + non-programmable: Is there such a thermostat?

    The customer wants the following:

    non-programmable
    range stops to prevent too low or too...
  34. Replies
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    1,149

    In terms of heat transfer, I don't see anyway...

    In terms of heat transfer, I don't see anyway that the coil knows the difference whether the air flows one way or another. There could be subtle differences on certain coils, but nothing major. It's...
  35. edit: My reason for posting vanished! No......

    edit: My reason for posting vanished! No... really. Some mod must be staring at the computer night and day. ;)
  36. Really Tom? Wow. Those sneaky bistirds at my...

    Really Tom? Wow. Those sneaky bistirds at my power company must have put a camera on my AC. They see it running just fine. :D ;)
  37. I'd go three ton as well. Based on anecdotal...

    I'd go three ton as well. Based on anecdotal evidence and my subjective experience, heat load calcs do a poor job of accounting for how much of the downstairs heat load the upstairs ends up taking....
  38. The car analogy is a good one venting. Believe...

    The car analogy is a good one venting. Believe it. However, the actual money saved by having a half ton less is nothing to get excited about in a typical home in these parts. I live in a relatively...
  39. Replies
    11
    Views
    599

    100% minutes, so to speak. :) In these parts...

    100% minutes, so to speak. :)

    In these parts design conditions are just a smidge under what you describe. That means a properly sized system around here would run literally nonstop just to...
  40. Replies
    9
    Views
    584

    Get a good referral if at all possible. Just...

    Get a good referral if at all possible. Just calling anyone for your AC is like playing five bullet Russian roulette with your wallet.
  41. Replies
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    1,073

    As assessment from a guy that's only replaced one...

    As assessment from a guy that's only replaced one compressor in 25 years is worthless. You’ll be assessed into a new system, of course. That doesn’t necessarily mean his assessment will be wrong in...
  42. Replies
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    1,073

    "he does stand by his installations and offers...

    "he does stand by his installations and offers maintainence"

    There's nothing especially remarkable about that. If you have it in you to do so, digger deeper than that.
  43. Replies
    23
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    1,073

    In some ways installing an air conditioner is...

    In some ways installing an air conditioner is supposed to have clean-room like procedures.

    The installer is responsible for connecting the refrigerant lines to your new condenser. Within those...
  44. Thread: AC Questions

    by Irascible
    Replies
    3
    Views
    433

    Bigger ducts are generally better as most duct...

    Bigger ducts are generally better as most duct systems are undersized. However, applying a blanket rule is no substitute for proper Manual J & D calculations.

    I believe the answer to your second...
  45. Few could design it. Quite a few could install it...

    Few could design it. Quite a few could install it if they had plans in front of them. You don't need a local guy to design it, so you've got an entire country and perhaps world (via the internet)...
  46. Ah. Thanks.

    Ah. Thanks.
  47. :cool:

    :cool:
  48. Good answers. You're better qualified than a lot...

    Good answers. You're better qualified than a lot of techs.
  49. Thanks for the good word Illusion. I have to...

    Thanks for the good word Illusion. I have to admit that I didn't know of the negative feelings towards Bristol until I did a search prompted by your post. My own experience with the TS product has...
  50. Yeah. He sounds low level, so to speak. We all...

    Yeah. He sounds low level, so to speak. We all start there.

    The good news is that if the company chooses their newbs judiciously then the tech will have a good understanding of fundamentals....
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