Search:

Type: Posts; User: WAYNE3298

Page 1 of 20 1 2 3 4

Search: Search took 0.08 seconds; generated 36 minute(s) ago.

  1. Replies
    9
    Views
    528

    Hire a balance contractor and watch what they do.

    Hire a balance contractor and watch what they do.
  2. Replies
    41
    Views
    1,906

    Based on your stated level of responsibility all...

    Based on your stated level of responsibility all you have to do is tell the chiller supplier to get their tail out there and make the building comfortable. Tell them if they want paid they have to...
  3. Replies
    41
    Views
    1,906

    Leaving water is too high.

    Leaving water is too high.
  4. Replies
    4
    Views
    502

    We can't answer that without all the pertinent...

    We can't answer that without all the pertinent information. You should have the engineering data.
  5. Replies
    15
    Views
    988

    Good explanation Lahrs.

    Good explanation Lahrs.
  6. Replies
    15
    Views
    988

    You are wrong seee. Per your statement the...

    You are wrong seee. Per your statement the pressure at any point on a pressurized system would be the same except maybe the pump inlet and outlet and it isn't.
  7. Replies
    15
    Views
    988

    You need to include pressure drop as a result of...

    You need to include pressure drop as a result of flow.
  8. Replies
    20
    Views
    2,647

    I've seen some bad situations BBeerme but nothing...

    I've seen some bad situations BBeerme but nothing screwed up that way. It had to take forever to get the air balance completed. Good job!!
  9. Replies
    35
    Views
    17,664

    One piece of advice sw21 keep calibration of your...

    One piece of advice sw21 keep calibration of your equipment up to date. I'm not saying you haven't just a reminder.
  10. Replies
    20
    Views
    2,647

    We need to pass on accurate information,...

    [QUOTE] We need to pass on accurate information, and unfortunately a lot of this stuff is not easily learned from books, or by simply talking about it......

    Much of this requires hands on with a...
  11. Replies
    20
    Views
    2,647

    The first thing I did was drive all the boxes to...

    The first thing I did was drive all the boxes to full cool because I wanted to traverse the main duct first. If low on airflow I drove the freg drive to where ever needed above 60 hz to determine if...
  12. Replies
    20
    Views
    2,647

    Artrose You gave him as good advice as I can....

    Artrose You gave him as good advice as I can. There is too much to cover to advise him in this thread as to how balance should be done on a VAV system. He has to calibrate the VAV's and how to do...
  13. Replies
    22
    Views
    1,721

    This guy sictech will eventually be worth...

    This guy sictech will eventually be worth something. A good start was calling you for help and he followed that up by admitting you were right. Help him when he needs it and you will both come out...
  14. Replies
    22
    Views
    1,721

    They are pretty as long as they hold.

    They are pretty as long as they hold.
  15. Replies
    22
    Views
    1,721

    I had an excellant reputation for doing good...

    I had an excellant reputation for doing good design work. One lead engineer tried to set me up. He called a meeting with me and the project engineer to review my design about half way through the...
  16. Replies
    22
    Views
    1,721

    I was a mechanical design engineer for 25 years....

    I was a mechanical design engineer for 25 years. I learned to despise most engineers. I worked as a steel fitter prior to deciding I wanted to become an engineer. By tack welding the steel as I put...
  17. Replies
    81
    Views
    18,046

    I have really enjoyed talking to you BBeerMe. I...

    I have really enjoyed talking to you BBeerMe. I have been retired long enough that my stories are from the past but I'll gladly share them with anyone that will listen. I also enjoy you guys stories...
  18. Replies
    81
    Views
    18,046

    If you are talking to me BBeerme you or anyone...

    If you are talking to me BBeerme you or anyone else here can call me anytime.
  19. Replies
    81
    Views
    18,046

    I wouldn't run if a bear was going to get me. I'm...

    I wouldn't run if a bear was going to get me. I'm in good enough shape but would forget to think of it.
  20. Thread: Pump problem

    by WAYNE3298
    Replies
    8
    Views
    636

    Check the pump curve submittal for...

    Check the pump curve submittal for characteristics. It will tell you the NPSH needed.
  21. Thread: NEBB CT exam

    by WAYNE3298
    Replies
    1
    Views
    2,225

    The test is right out of the study guide. If you...

    The test is right out of the study guide. If you don't understand any part of a question ask the moderator to explain.
  22. There are small pitot tubes that have connections...

    There are small pitot tubes that have connections for both tube sizes. You can't accurately pitot traverse a flex duct.
  23. Considering your stated goals a BS degree in...

    Considering your stated goals a BS degree in mechanical engineering is the best bet. After graduating get a job with a consulting engineering company. You should be good at not only equipment...
  24. Replies
    9
    Views
    860

    As you know the purpose of the dampers is to...

    As you know the purpose of the dampers is to restrict airflow to within design parameters. By collapsing the flex duct you can do the same thing. You collapse the flex by crushing it the amount...
  25. Replies
    9
    Views
    860

    I hesitated telling you how to balance this...

    I hesitated telling you how to balance this because it's best done by someone with balance experience. If you do this don't hurry and don't over adjust.
    We used chicken chokers (band straps) on the...
  26. Replies
    9
    Views
    860

    Measure the airflows with a flow hood and adjust...

    Measure the airflows with a flow hood and adjust the individual diffuser dampers to obtain diffuser airflow to within +/- 10% of design airflow.
  27. Replies
    48
    Views
    3,934

    I have a friend that wanted to get a degree in...

    I have a friend that wanted to get a degree in mechanical engineering. He had trouble with what most of us thought were the easiest courses. Yes he flunked some of them but give up was not in him. He...
  28. Replies
    11
    Views
    1,111

    Don't be nervous. Liking the work indicates you...

    Don't be nervous. Liking the work indicates you are good at it so far. Be confident and the nerves will all but go away.
  29. Replies
    7
    Views
    1,798

    These systems can work well but are often not set...

    These systems can work well but are often not set up (calibrated) properly. I balanced a courthouse several years back that had never worked right since installed. I was called to balance it after...
  30. Replies
    48
    Views
    5,739

    I'm retired and old but enjoy this site. My...

    I'm retired and old but enjoy this site. My skills and knowledge haven't kept up with the times and as a result my participation has decreased. There are a lot of sharp techs here.
  31. Replies
    29
    Views
    2,606

    The subject of being a good teacher deserves it's...

    The subject of being a good teacher deserves it's own thread. I taught a lot of young engineers and loved every minute of it. They liked having someone they trusted to look to when they needed help.
  32. Replies
    7
    Views
    1,798

    I have worked with a lot of Taco pumps etc. but...

    I have worked with a lot of Taco pumps etc. but not familiar with this one. Having said that there are ways the pump can be feed enough info to control total flow but the system is not self...
  33. Replies
    29
    Views
    2,606

    Those that take liberties with definitions don't...

    Those that take liberties with definitions don't change the true meaning of words. Tertiary is a British term that has a specific meaning. If the pump is not the third in order it isn't tertiary. Has...
  34. Replies
    29
    Views
    2,606

    In the design world primary/secondary is clearly...

    In the design world primary/secondary is clearly defined. Not saying you are wrong because it is common for some to take liberty with definitions. Tertiary because of the meaning can correctly be...
  35. Replies
    29
    Views
    2,606

    Tertiary means third in order. That should be a...

    Tertiary means third in order. That should be a clue as to what pumps can be called tertiary. This thread can get interesting.
  36. Replies
    18
    Views
    1,801

    I argued with engineers when doing design and...

    I argued with engineers when doing design and when doing TAB. You can only reason with 1 out of 50.
  37. Replies
    18
    Views
    1,801

    He had more OA than the system could heat at zero...

    He had more OA than the system could heat at zero OA temperature. I suggested they add carbon monoxide control to the AHU'S and make building static pressure control permissive to that. If they...
  38. Replies
    18
    Views
    1,801

    Simple design error VTP99 that the engineer...

    Simple design error VTP99 that the engineer didn't want to admit and tried to blame me for when it happened.
  39. Replies
    18
    Views
    1,801

    I didn't mention the design and/or installation...

    I didn't mention the design and/or installation problems you can encounter so I'm glad Artrose did. I didn't want to make this anymore involved than it is but, in my words it's simple but complex....
  40. Replies
    18
    Views
    1,801

    I'm reluctant to get too far into this because...

    I'm reluctant to get too far into this because there are several parts of this process that I have seen several TAB certified techs screw up. You start with what is the duct designed to handle. Then...
  41. Replies
    18
    Views
    1,801

    You got some good comments but get someone to...

    You got some good comments but get someone to help you on site or you will either fight this for a long time or set the static pressure higher than needed and waste energy or worse. This is not...
  42. Replies
    18
    Views
    1,835

    I no longer have a dog.

    I no longer have a dog.
  43. Replies
    18
    Views
    1,835

    Herd of Wild Turkeys

    I looked out in my west field and saw a herd of wild turkeys. I thought they knew it was close to thanks giving. They did disappear real fast.
  44. Replies
    17
    Views
    1,399

    You are so right. I was attacked many times...

    You are so right. I was attacked many times simply because I knew things weren't right and insisted on everything set right. I never understood that and never will. Even the owners in some cases were...
  45. Replies
    17
    Views
    1,399

    There is no excuse for the mess you were handed...

    There is no excuse for the mess you were handed numbawunfela.
  46. Replies
    17
    Views
    1,399

    In 20 years doing TAB I never had a chiller that...

    In 20 years doing TAB I never had a chiller that didn't perform. You are correct though orion the chiller guy doesn't have any place to turn as long as you can verify the accuracy of your readings.
    ...
  47. Replies
    17
    Views
    1,399

    When doing design that's the way I did it. The...

    When doing design that's the way I did it. The rep and chiller manufacturers loved it.
  48. Replies
    44
    Views
    8,664

    Can you check with the authority having...

    Can you check with the authority having jurisdiction and see the original installation plan that was approved?
  49. Replies
    17
    Views
    1,399

    I would use chiller design pressure drop. The...

    I would use chiller design pressure drop. The manufacturer knows what that should be. When doing TAB I compared chiller DP to the pump readings. Pump measurements need to include shutoff head...
  50. Replies
    17
    Views
    1,399

    Are you pumping to a chiller or other primary...

    Are you pumping to a chiller or other primary piece of equipment?
Results 1 to 50 of 1000
Page 1 of 20 1 2 3 4