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  1. Replies
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    I agree.

    I agree.
  2. Replies
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    2,213

    Trane parts has them.

    Trane parts has them.
  3. Replies
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    784

    You are correct speed change will not occur until...

    You are correct speed change will not occur until the reference is above the minimum Freq. In this case as stated by someone, your minimum is 20 Hz or 33.3 %. Be careful with the minimum reference....
  4. Replies
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    580

    Sound like you need a professional to make...

    Sound like you need a professional to make recommendations.

    Regards.
  5. Replies
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    992

    Nothing wrong with multiple motors on a drive....

    Nothing wrong with multiple motors on a drive. Here is the criteria: [1] Total amps of motors must not exceed the drive rating. [2] HP of all must be equal.[3] Each motor must have its own OL relay....
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    914

    Actually, my earlier post is the recommended...

    Actually, my earlier post is the recommended procedure to have some redundancy. The movement of the entire aux assembly can sometimes be an issue and this takes care of that.
  7. Replies
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    914

    Your "I" problem is most likey caused by a...

    Your "I" problem is most likey caused by a defective aux contact on the run contactor. The transition contacts are gold plated and can eventually fail. Take a standard relay and wire the coil in...
  8. Thread: CVHE NEEDS FIX

    by Chomper
    Replies
    10
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    1,352

    Dumb question. Did you check the 1st stage tang...

    Dumb question. Did you check the 1st stage tang operator assembly?
    It can give simular symtoms and is a lot less work.

    Regards.
  9. Thread: Centravac

    by Chomper
    Replies
    5
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    1,020

    They do not like to sell the boards by itself....

    They do not like to sell the boards by itself. Try installing a standard contactor if the busses will allow and eliminate the constant 120 vac wire. Also make sure the Xformer will handle the...
  10. Replies
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    888

    2nd.....say what????

    2nd.....say what????
  11. Replies
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    1,084

    Trane.com

    Trane.com
  12. Replies
    4
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    672

    err, crane, maybe?

    err, crane, maybe?
  13. Here goes,4 contactors, Shorting, Start, run and...

    Here goes,4 contactors, Shorting, Start, run and transition.
    1. Shorting contactor pulls in forming center of Wye.
    2. Start contactor pulls in starting motor in Wye.
    3. Transition
    Old way. ...
  14. Replies
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    1,065

    Hmmm, Face and bypass maybe?

    Hmmm, Face and bypass maybe?
  15. Thread: blackbook

    by Chomper
    Replies
    10
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    1,383

    Well, now I have an excuse not to work hard...

    Well, now I have an excuse not to work hard anymore. LOL
  16. Thread: blackbook

    by Chomper
    Replies
    10
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    1,383

    Just saw your signature. I'm a liberal, I work...

    Just saw your signature. I'm a liberal, I work hard, happy most days. Does that mean you only work hard to annoy others? LOL
  17. You obviously don't read well. I ask a general...

    You obviously don't read well. I ask a general question.
    By the way which benefits are you willing to give up and pay for your self?
  18. Heres my 2 cents. I am proud to be union. With...

    Heres my 2 cents.
    I am proud to be union. With that said, everyone must decide what is best for them and theirs. I take offense to my union brothers using degrading words like"scab, rats etc." Most...
  19. Replies
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    2,734

    Look on the bright side of the Bards. If the...

    Look on the bright side of the Bards. If the entire plant is down, atleast you'll be cool.

    enjoy.
  20. Replies
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    1,744

    See your friendly local Trane parts Dept.

    See your friendly local Trane parts Dept.
  21. Replies
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    644

    Nitrogen! Never. You must use a recovery machine.

    Nitrogen! Never.
    You must use a recovery machine.
  22. Thread: Belt tension

    by Chomper
    Replies
    18
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    2,118

    Hey max, what are you smoking, or did you just...

    Hey max, what are you smoking, or did you just miss a key?
    LOL
  23. Replies
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    730

    Ouch!

    Ouch!
  24. Err, I think that is highly unlikly that all five...

    Err, I think that is highly unlikly that all five reliefs would go at the same time. I could see one maybe. The chiller should have shut down on high head before that occurs. Then again, anything is...
  25. Thread: CVHE Dry Run

    by Chomper
    Replies
    19
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    2,223

    What about transition?

    What about transition?
  26. Replies
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    3,130

    No, its just funny. Lighten up, no harm meant.

    No, its just funny. Lighten up, no harm meant.
  27. Replies
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    3,130

    "MAKE THE BUILDING LEAKIER" Thats a new one on...

    "MAKE THE BUILDING LEAKIER" Thats a new one on me. LOL, oh my side.
  28. Replies
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    3,130

    OooH My Gosh. Common sense is alive and well...

    OooH My Gosh. Common sense is alive and well EJ45.
    Great point.
  29. Replies
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    1,331

    Service Guy, You are almost correct. 10 min vs 3...

    Service Guy, You are almost correct. 10 min vs 3 min. This one is in the lock out circuit.

    Wonder Boy, wonder no more the info is good.

    Hope this helps.
  30. Replies
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    5,227

    Sir, I'm not trying to buck your teacher. Try...

    Sir, I'm not trying to buck your teacher. Try using Ohms law and see for yourself. At least on resistive loads.
    As resistance increases, current is reduced, if voltage remains constant.
    Good...
  31. Replies
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    Another method is if you can, cut the shaft flush...

    Another method is if you can, cut the shaft flush from both sides of the hub and use a sawzall to slice out a small piece of the remaining shaft in the hub. It taps out real easy after that.
  32. Replies
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    Gentlemen, It seems more often than not I read...

    Gentlemen, It seems more often than not I read about the motor FLA plus the SF being used in setting the drives "Motor FLA". Lest I am misinformed. The service factor, which is the safety factor is...
  33. Replies
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    Sir, 240 vac does not come from one leg. You need...

    Sir, 240 vac does not come from one leg. You need two hot legs to produce it. You should do some reading to understand the relationship between a 3 phase Wye and a delta secondaries.

    240...
  34. Replies
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    Sir, in your response, you mentioned PF...

    Sir, in your response, you mentioned PF cpacitors. Would you care to elaborate?

    Thanks.
  35. Replies
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    1,920

    Try Tecogen, they should still be in business....

    Try Tecogen, they should still be in business. They are also called Tecochill.
    The ones that I worked on produced a lot of hot water as an added benefit. They seemed to work well, though on natural...
  36. Replies
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    3,228

    Moral of the story! Be careful what you wish for....

    Moral of the story! Be careful what you wish for.

    No offense, just poking fun.
  37. Replies
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    You did not specify if these were ATV 66 or 58....

    You did not specify if these were ATV 66 or 58. The 58's will sometimes generate an eroneous fault if the cooling fans goes bad (3 wire type), therefore not providing a feedback to the control board....
  38. Thread: UV lights

    by Chomper
    Replies
    7
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    997

    How about the wires? Same effect.

    How about the wires? Same effect.
  39. Replies
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    1,582

    Yes, you can see the diagnostics at the unit...

    Yes, you can see the diagnostics at the unit using a volt meter. Search on this site for the voyager black book. That will offer the test points.
  40. Replies
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    4,090

    Just make sure your beer is not out in the sun...

    Just make sure your beer is not out in the sun for too long :-)
  41. Replies
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    1,565

    Never brag about how good you are at work. Never...

    Never brag about how good you are at work.
    Never put down a fellow worker. EG. I had to fix so and so's problems.
    Always have more to cover than the time allows. You can always finish the following...
  42. Replies
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    3,556

    If you have just on eductor you can install a...

    If you have just on eductor you can install a "Toronto Tee" and that would cover both the cooler and the cover. Hell, you have the machine in peices why not just install the second one. could save...
  43. Thread: Yaskawa VFDs

    by Chomper
    Replies
    10
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    1,650

    Sorry man, you cannot get rid of the disconnect....

    Sorry man, you cannot get rid of the disconnect. Think safety over equipment.
  44. Thread: Yaskawa VFDs

    by Chomper
    Replies
    10
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    1,650

    A really great installation will have a micro...

    A really great installation will have a micro switch in the service disconnect. If you pull the handle the VFD will shut down on external interlock before the knives break. A normal restart will...
  45. Replies
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    2,083

    Did you also install a delay timer with the...

    Did you also install a delay timer with the solenoid? This not a generic valve as Fric eluded to.
    There are no other sensors to swap with. Low return water temp is a load condition and TYPICALLY has...
  46. Replies
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    3,308

    Neo=new Con = Conservative

    Neo=new
    Con = Conservative
  47. Replies
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    2,635

    Actually SCBA is fit tested per face. A fit for a...

    Actually SCBA is fit tested per face. A fit for a fat face would not fit skinny face properly. Imagine how many they would have to have at the door with the names of the users on it.
  48. Thread: Local 725

    by Chomper
    Replies
    3
    Views
    729

    Whats so great about Miami? Lots of sunshine,...

    Whats so great about Miami?
    Lots of sunshine, 70* and above most of the time and absolutely no snow.
    Lots of sunshine and an occational hurricane and no snow.

    Oh! Did I mention NO SnOW?

    I...
  49. Gentlemen, seems all is covered except, the...

    Gentlemen, seems all is covered except, the infamous cut off plate.
  50. Replies
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    11,310

    What exactly does a good vacuum mean?

    What exactly does a good vacuum mean?
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