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Type: Posts; User: bigmike

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  1. Replies
    8
    Views
    549

    Tsccgy19 has it right. Cannot have 2 lines...

    Tsccgy19 has it right. Cannot have 2 lines included in the argument for an "IFT" statement
  2. 0-135 ohms is a typical signal used to drive some...

    0-135 ohms is a typical signal used to drive some actuators. The current switch rating of 0-135 Amps is a totaly different thing. tlp261 was just commenting based on the info he was given. In this...
  3. Thread: Loop Tuning

    by bigmike
    Replies
    20
    Views
    6,466

    I agree that in 99% of HVAC applications,...

    I agree that in 99% of HVAC applications, D(derivative) is not needed at all.

    I have been programming control systems for 10 years and have used D exactly once.

    P (proportional) is the reaction...
  4. Replies
    2
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    1,114

    If you want to shut down some of the AHUs, there...

    If you want to shut down some of the AHUs, there would need to be some kind of damper setup to keep the running units from pushing air backwards through the stopped units. Similar to check valves on...
  5. Thread: Taekwondo Tech

    by bigmike
    Replies
    3
    Views
    637

    My son and I both tested for our yellow belt...

    My son and I both tested for our yellow belt promotion last Saturday. Just started TKD a couple months ago.
  6. Thread: VAV Box brand?

    by bigmike
    Replies
    31
    Views
    3,080

    It my part of the country, we use the exact...

    It my part of the country, we use the exact sequence Norm described. All VAVs open during morning warm-up. We don't take them to 100% just to Max CFM. If there are reheats, we set the MWU setpoint...
  7. Thread: Scouters?

    by bigmike
    Replies
    25
    Views
    1,535

    I am cuurently Cubmaster for our local Pack. ...

    I am cuurently Cubmaster for our local Pack. Also Den Leader. We have 30 boys in the Pack right now but the best part is we have about 15 adults who are active and attend every committee meeting,...
  8. Replies
    24
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    2,063

    It was the heating system at John Deere World...

    It was the heating system at John Deere World Headquarters. High temperature hot water. 350 deg water at 200psi. Alot different than the 180deg systems I was used too.
  9. Replies
    13
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    2,255

    I'm with you, I normally use a bucket for a seat...

    I'm with you, I normally use a bucket for a seat and a cardboard box for a table but a small portable stand of some kind would be nice.
  10. Replies
    29
    Views
    5,981

    The control action is determined by comparing the...

    The control action is determined by comparing the supply temperature to the space temperature. If supply temp is lower, control action is cooling. If space temp is lower, control action is heating....
  11. Replies
    4
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    1,863

    Qtip is right. The old OS2 manual is the place...

    Qtip is right. The old OS2 manual is the place to go. Trane literature number is BMTS-IOP-504.
  12. Replies
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    1,130

    canadian bacon and saurkraut

    canadian bacon and saurkraut
  13. Replies
    22
    Views
    4,888

    good doctor, It appears to me that while you are...

    good doctor,
    It appears to me that while you are trying to remove moisture, you probably are not doing it. To remove moisture by cooling, you must cool the air down to or below its dewpoint to...
  14. Replies
    5
    Views
    1,291

    It looks bettr if instead of folding it in half,...

    It looks bettr if instead of folding it in half, cut out the box of butter she is holding and then fold the bottom back and up so the knees are in the hole you just made.
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