Search:

Type: Posts; User: rickd

Page 1 of 2 1 2

Search: Search took 0.00 seconds.

  1. Thread: Delfield delemna

    by rickd
    Replies
    14
    Views
    1,523

    Sounds like you probably got it. Wonder where the...

    Sounds like you probably got it. Wonder where the rust came from? Real world sure as heck ain't like the books/schools, is it?
    Like you, I usually try to make the "final" tstat adjustment in the...
  2. Thread: Delfield delemna

    by rickd
    Replies
    14
    Views
    1,523

    With the transient conditions you're seeing,...

    With the transient conditions you're seeing, might not trust the temp/press relationships you're using. That is: pressures are measured psi, temperatures are measured F. Certainly agree something is...
  3. Replies
    16
    Views
    834

    We ought to start another thread about various...

    We ought to start another thread about various bits of wisdom from bar birds and other knowledgeable people.
  4. Replies
    16
    Views
    834

    Wasn't at the time, Maybe I should have been. I...

    Wasn't at the time, Maybe I should have been.
    I have noticed that I get sharper when I've had a few (also better looking and my singing improves).
  5. Replies
    16
    Views
    834

    Exactly right! Wish I could think of comebacks...

    Exactly right! Wish I could think of comebacks like that at the time.
  6. Replies
    16
    Views
    834

    I am not making a suggestion! The discussion...

    I am not making a suggestion!
    The discussion was in a bar and I was talking to the bartender about the advantages of keeping the RI cooler condensers (floor level) clean. Obviously I told the "idea...
  7. Replies
    16
    Views
    834

    Them Expensive Wrinkley Filters

    Was told,"When those filters get dirty, you can just turn them over 'till the other side gets dirty too". When asked about the dirt from the first side being blown into the system, I was told "never...
  8. Thread: keystroke for

    by rickd
    Replies
    33
    Views
    1,604

    Two other very useful combos: Alt 230 and...

    Two other very useful combos:
    Alt 230 and Alt 234 Ω
  9. Thread: keystroke for

    by rickd
    Replies
    33
    Views
    1,604

    (Alt 0176) or (Alt 167) either seem to work,...

    (Alt 0176) or (Alt 167) either seem to work, the Alt 0176 looks a bit smaller.
  10. Thread: Options

    by rickd
    Replies
    44
    Views
    2,037

    Rough crowd! Lot of things that would be good to...

    Rough crowd! Lot of things that would be good to change, but for the most part, preaching to the choir.
    As a suggestion for additions to the "wish list", how about:
    All evidence is admissable- up...
  11. Thread: Lineset leaks

    by rickd
    Replies
    33
    Views
    2,352

    You guys have tons more experience than I do, but...

    You guys have tons more experience than I do, but I don't think I've ever found a leak in a lineset. Found 'em flattened, corroded and one LL had a "custom cooling kink" in it, but no leaks.
  12. Thread: Lineset leaks

    by rickd
    Replies
    33
    Views
    2,352

    Believe the op stated several times that this was...

    Believe the op stated several times that this was new construction.
    Surely the lines installed were new.
    Short of damage caused by the owner or a really corrosive environment, it seems the...
  13. Replies
    33
    Views
    4,238

    I've only got one I'm responsible for. It's the...

    I've only got one I'm responsible for. It's the make-up air for a big kitchen hood. The summertime rooftop RH here in the Pacific Northwest is pretty low so it's very effective in cooling the air....
  14. Thread: Linear filtering

    by rickd
    Replies
    6
    Views
    1,191

    I don't think anybody had changed the filter...

    I don't think anybody had changed the filter (which is right where the photo was taken) for many years. It was completely clogged and airflow had collapsed it. Smoking hasn't been allowed in bars in...
  15. Thread: 134a question

    by rickd
    Replies
    13
    Views
    1,391

    The Grainger cat. shows 134A mobile and 134...

    The Grainger cat. shows 134A mobile and 134 stationary, so I submitted this question to Dupont. Recieved a nice phone call from an obviously competent tech (lady) who said the difference was only in...
  16. Replies
    4
    Views
    477

    Oh yeah, wax would be another. In any case I'd at...

    Oh yeah, wax would be another. In any case I'd at least like to flush that dye out and change that drier. Quick job but I'm not so charitable I'd do it for free. This was the first thing I did for...
  17. Replies
    4
    Views
    477

    Thought about moisture, or maybe a small piece of...

    Thought about moisture, or maybe a small piece of something. Figured the caps are slightly smaller where the braze had shrunk when solidifying. Anyway it sure feels like a real "hack" that I can't...
  18. Replies
    135
    Views
    23,730

    "I have a system where one of the past residents...

    "I have a system where one of the past residents used bleach to keep her condensate drain clear. I've been able to patch up two capillaries but I still have a pinhole leak in there somewhere and have...
  19. Replies
    4
    Views
    477

    Solder gun a cap tube

    In desperation on a busy Friday evening, I tried heating a clogged cap tube with a solder gun. Large reach in refer, 134A, schraders on both hi and low, real filter/drier in lieu of a spun clog...
  20. Replies
    5
    Views
    529

    Fix..., Might consider a bit more elaboration...

    Fix..., Might consider a bit more elaboration here. Why does such a small unit have two TXVs? Two evaporators? If you carefull reread the rest of your post you will probably see where the confusion...
  21. Replies
    109
    Views
    12,732

    Don't get me wrong. I'm an old Mechanical...

    Don't get me wrong. I'm an old Mechanical engineer, all the useful chemistry I learned was in thermodynamics. As far as the acidity of CO2, in either of its fluid states, I have to listen to guys...
  22. Replies
    109
    Views
    12,732

    Just wandered through several Google returns...

    Just wandered through several Google returns trying to find something about liquid CO2 being highly acidic. All I could find discussed the relatively weak carbonic acid resulting from CO2 in water....
  23. Replies
    109
    Views
    12,732

    dprimrose, I agree. Always figured purging was...

    dprimrose, I agree. Always figured purging was to prevent oxide scale in the system, evacuation was to minimize noncondensibles and moisture.
  24. Thread: Linear filtering

    by rickd
    Replies
    6
    Views
    1,191

    Gotta be at least R30 anyway. Those sticky walls...

    Gotta be at least R30 anyway. Those sticky walls sure "filtered" the dust out of the airstream.
  25. Thread: Linear filtering

    by rickd
    Replies
    6
    Views
    1,191

    Linear filtering

    Checking the filters in a rooftop package, found filters completely plugged/collapsed/bypassed. Looking down return air duct found this:...
  26. Replies
    109
    Views
    12,732

    Probably should buy some stock in cap tubes. They...

    Probably should buy some stock in cap tubes. They sure seem to accumulate! Here's a photo
    http://i202.photobucket.com/albums/aa75/rickdickmann/temp/purgeblow.jpg
  27. Replies
    109
    Views
    12,732

    Also made a cap tube "extension" for a blow gun....

    Also made a cap tube "extension" for a blow gun. Really does a job on those dirty condensers.
  28. Replies
    109
    Views
    12,732

    It's just too easy to convince yourself of the...

    It's just too easy to convince yourself of the advantages of a purge. Just take some junk tubing with oily inner surfaces, run a purge (use any old CO2 you can find), heat one area red hot. Let it...
  29. Might not be the best practice to stand next to...

    Might not be the best practice to stand next to things you know are going to make a loud bang! The next one might be your last.
  30. Replies
    5
    Views
    1,481

    Any chance you have a slightly loose baffle/rack...

    Any chance you have a slightly loose baffle/rack interface?
  31. Replies
    14
    Views
    940

    Put some value on it (the 12 pack sounds good)....

    Put some value on it (the 12 pack sounds good). Offer it for free and he might not take it.
  32. Ditto the other replys. Damage from roof...

    Ditto the other replys. Damage from roof water/debris impacting the fan might be of more concern than water on the evaporator (in HP mode).
  33. Replies
    14
    Views
    940

    Call the local scrap yard and see what they say....

    Call the local scrap yard and see what they say. They might even want to charge you to take an old compressor! South Florida, parts may be a bit corroded.
    Sell it to your neighbor and let him make...
Results 1 to 33 of 55
Page 1 of 2 1 2
Comfortech Show Promo Image

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine
Comfortech365 Virtual Event