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  1. Replies
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    X2. You can have 0 superheat but not negative...

    X2. You can have 0 superheat but not negative superheat.
  2. Replies
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    890

    LOL. Got it.:whistle:

    LOL. Got it.:whistle:
  3. Replies
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    890

    In the first place you do not "Read" superheat....

    In the first place you do not "Read" superheat. You read temp, pressures, (SST) and then calculate the superheat. You cannot have "Negative superheat". CDave would have a field day with this. ...
  4. Thread: Fluke 902

    by rayr
    Replies
    18
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    1,106

    The 325 does not have a micro amps option.

    The 325 does not have a micro amps option.
  5. Replies
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    2,596

    I am trying to figure out how a failed X valve...

    I am trying to figure out how a failed X valve can cause the ID and OD coils to leak??????
  6. Thread: Tube benders???

    by rayr
    Replies
    36
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    2,676

    I have used the Yellow Jacket. Not much good to...

    I have used the Yellow Jacket. Not much good to say about 7/8 tubing. I have a REMS. Perfect bend first time, perfect bend every time. Had it about 10 years. Costs more, but does it right.
  7. Replies
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    3,082

    Those are "Weapons".

    Those are "Weapons".
  8. Autozone!

    Autozone!
  9. Replies
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    3,082

    Do not think this applies to fan blades. Shaft...

    Do not think this applies to fan blades. Shaft can go in either end. Using the hub as a reference for rotation will not work either. Hub and be on either side, depending on the manufacturer. I like...
  10. Replies
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    2,982

    Dumb, but trap is code here no matter if it is...

    Dumb, but trap is code here no matter if it is negative or positive side of ariflow.
  11. Thread: Relay in a Box

    by rayr
    Replies
    15
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    2,763

    I cut mine on Weathertrons a long time ago. :)

    I cut mine on Weathertrons a long time ago. :)
  12. Let him have the Chinese Restaurants Terry it...

    Let him have the Chinese Restaurants Terry it will be a better learning experience then school !

    Light buld Wattage ?


    3.4 Btus per watt.
  13. Replies
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    784

    Now that is being creative. Adapt and overcome.

    Now that is being creative. Adapt and overcome.
  14. Replies
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    We (I) do kitchen refrigeration and exhaust...

    We (I) do kitchen refrigeration and exhaust hoods. Biggest one we installed was 30' with 9000 cfm ex and 7200 mua. Am in process of installing a 20 and 8 ft hood in a new restaurant. 7200 ex. Mua...
  15. Replies
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    2,649

    I have a Fluke 902 and always have an analog...

    I have a Fluke 902 and always have an analog backup.
  16. Replies
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    2,472

    Very nice, clean work. What is that Dewalt thingy...

    Very nice, clean work. What is that Dewalt thingy in the second pic, generator, radio??
  17. Replies
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    394

    First order of the day would be to know how many...

    First order of the day would be to know how many btu's are required. How much insulation, vapor barrier, is it out in the blazing sun, and design conditions??? 5,000 may be ok, but then again maybe...
  18. Replies
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    2,936

    Probably the best info you can get right now is...

    Probably the best info you can get right now is to spend a few bux and get someone over there that knows REFRIGERATION. Have them check out the install and charge it. Apparently you are in over your...
  19. Replies
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    2,936

    X2 Exactly:)

    X2 Exactly:)
  20. Replies
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    2,936

    Somewhat of a waste of time checking subcooling...

    Somewhat of a waste of time checking subcooling with a receiver in place, don't you think?
  21. Replies
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    5,281

    We make our own curb adaptors. Usuall about...

    We make our own curb adaptors. Usuall about $1,000.00 to buy em.
  22. Thread: New 92%er

    by rayr
    Replies
    17
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    2,332

    Gas flex going through cabinet,,,,,that is a big...

    Gas flex going through cabinet,,,,,that is a big no no.
  23. Replies
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    Most do not. I install one on every new install....

    Most do not. I install one on every new install. The last thing I need are compressors cycling on the internal overload and cooking the POE. Doubtful that this site will see it's demise due to a few...
  24. Thread: Recent install

    by rayr
    Replies
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    1,857

    Inside of "B" vent is aluminum.

    Inside of "B" vent is aluminum.
  25. Replies
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    4,723

    If you knew the NEC, you would know that the...

    If you knew the NEC, you would know that the raceway must be secured within 12 inches of the disconnect
  26. Thread: Magnafish

    by rayr
    Replies
    4
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    704

    I use fishsticks with no problem.

    I use fishsticks with no problem.
  27. Replies
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    2,539

    My error thought I was reading the freezer thread.

    My error thought I was reading the freezer thread.
  28. Replies
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    40 lbs suction on a 404 freezer at set point????...

    40 lbs suction on a 404 freezer at set point???? That does not sound right....
  29. Replies
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    557

    x2. In 1979 (or there abouts) there was a...

    x2. In 1979 (or there abouts) there was a shortage of R-22 and the only thing I could ge was Dupont with Dytel in it.......I hated it.
  30. Thread: another tool bag

    by rayr
    Replies
    9
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    1,184

    That bag really deserves a "Fluke" in place of...

    That bag really deserves a "Fluke" in place of that Fieldpiece
  31. Replies
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    Must be really efficient to, huh?:whistle:

    Must be really efficient to, huh?:whistle:
  32. Replies
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    That will prob outlive any newer units. Those...

    That will prob outlive any newer units. Those commercial units are NOT cheap.
  33. Thread: My Wife's Friend

    by rayr
    Replies
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    1,946

    Most times,, it is safer to take the money. :)

    Most times,, it is safer to take the money. :)
  34. When the frost is within 6 inches of the...

    When the frost is within 6 inches of the compressor when it reaches setpoint, it is just about right. Old school stuff. Never failed me in a pinch.
  35. In my experience, high side pressure measurements...

    In my experience, high side pressure measurements are not advisable due to the very small amount of refrigerant in the system. OMO.
  36. Replies
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    United has a new one on the shelf. Jumper with...

    United has a new one on the shelf. Jumper with small magnet on each end. Works well on metal screw terminals. Not brass of course.
  37. Just what we need, another flavor of refrigerant...

    Just what we need, another flavor of refrigerant to carry around.
    :gah:
  38. Replies
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    894

    can that be used on an extension ladder?

    can that be used on an extension ladder?
  39. Thread: Made me laugh

    by rayr
    Replies
    12
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    3,592

    We will be installing one in March. It has...

    We will be installing one in March. It has modulating gas valve to maintain 70 deg air temp. Will be 13 tons of air conditioning. Will have VFD for 73000 exhaust fan and MUA unit. This will service...
  40. Replies
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    Third wolrd countries. Seen some insane stuff...

    Third wolrd countries. Seen some insane stuff work wise stuff in Caracus. Never want to go back.
  41. Replies
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    CDave would have a field day with this. There is...

    CDave would have a field day with this. There is no such thing as "Negative Superheat". You may have negative temperature and/or negative pressure but not negagtive superheat. Best re-check.
  42. Replies
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    If it were mine and I was using 134-a, I would...

    If it were mine and I was using 134-a, I would put a small receiver on it along with an expansion valve. POE and cap tubes are poblematic at times if the compressor over heats, especially if...
  43. Replies
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    863

    I bought my first one in 1965 and it was made by...

    I bought my first one in 1965 and it was made by GE for a very long time.
  44. Thread: Nice return room

    by rayr
    Replies
    9
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    1,551

    Don't suppose they have CO detectors?

    Don't suppose they have CO detectors?
  45. Replies
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    1,226

    LOL

    LOL
  46. Replies
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    14,201

    A pilot relight kit should solve the problem....

    A pilot relight kit should solve the problem. Have installed a few over the years.
  47. Replies
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    1,982

    Headaches, death. No biggie! :)

    Headaches, death. No biggie! :)
  48. Replies
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    Does it come in a spray can? :whistle:

    Does it come in a spray can? :whistle:
  49. Thread: Torpedo level

    by rayr
    Replies
    9
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    856

    My I phone has a level/compass on it if I am in a...

    My I phone has a level/compass on it if I am in a pinch. I tend to opt for the plastic ones for thermostat installation. Less likley to leave that aluminum transfer mark on the wall if an ooooops...
  50. Replies
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    3,079

    Not legal to have a union in burner compartment...

    Not legal to have a union in burner compartment here!
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