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Recent content by CanuckEngineer

  1. CanuckEngineer

    Jump of EF motor fla

    Thanks Bill, excellent questions. I will get you answers asap. Regards, RK.
  2. CanuckEngineer

    Fire Pump Motor burning out on loss of phase

    Success!! Thanks Scotty I will remember that for future. File has successfully attached on my last post. Regards, RK.
  3. CanuckEngineer

    Fire Pump Motor burning out on loss of phase

    Repost http://files.engineering.com/getfile.aspx?folder=cc0db7f5-c438-44cc-a95e-cea0dcaab298&file=A1_A2_B1_B3_Graphs_Summaries.pdf
  4. CanuckEngineer

    Fire Pump Motor burning out on loss of phase

    Re-post of file attachment. http://files.engineering.com/getfile.aspx?folder=a6ea015d-d2a5-4d98-a5dd-8844bb20b583&file=A1_A2_B1_B3_Graphs_&_Summaries.pdf
  5. CanuckEngineer

    Fire Pump Motor burning out on loss of phase

    Thanks Scotty. I will try right now.
  6. CanuckEngineer

    Fire Pump Motor burning out on loss of phase

    To the site moderator: Can you see why my file attachment is not uploading via Engineering.com When I click on link submission it says everything is successful. Regards, RK.
  7. CanuckEngineer

    Fire Pump Motor burning out on loss of phase

    Repost, attachment retry, again. http://files.engineering.com/getfile.aspx?folder=aea3a804-5708-48a9-b13a-2221764c8465&file=A1_A2,_B1_B3_Graphs_&_Summaries.pdf
  8. CanuckEngineer

    Fire Pump Motor burning out on loss of phase

    Repost, retry.
  9. CanuckEngineer

    Fire Pump Motor burning out on loss of phase

    Thanks Waross and KuanYau for your input. Waross, I am not sure why the attachment is not coming up, it came up before in another thread. Here are the answers to some of your questions: Are the transformer primaries star or delta? Delta, 95% of Ontario-Canada primaries (for non industrial...
  10. CanuckEngineer

    Jump of EF motor fla

    The BAS supplier thinks there is turbulence before the fan (EF-20) because there is 50,000 CFM + coming up through an 'S' bend before the fan. Not sure if that would 'lock' the VFD current at 42A as mentioned above. Thanks for all your input. Regards, RK.
  11. CanuckEngineer

    Jump of EF motor fla

    EF-20 is a booster exhaust fan and is controlled by a Danfoss VFD model no: FC-102P30T6. 575V/3 phase/ 40hp. Thanks, RK.
  12. CanuckEngineer

    Jump of EF motor fla

    Hey guys, Great forum here. I am usually on the electrical side but I recently was posed with some issues on the Operations side of one of our buildings. Please feel free to read the sequence below and provide any comments. I am working on gathering supplemental data like BAS shops and...
  13. CanuckEngineer

    Fire Pump Motor burning out on loss of phase

    Here is the attachment reposted. Thanks, RK. http://files.engineering.com/getfile.aspx?folder=de386422-4024-4c99-b8f6-7f4c4dc57955&file=A1_A2,_B1_B3_Graphs_&_Summaries.pdf
  14. CanuckEngineer

    Fire Pump Motor burning out on loss of phase

    Thanks jraef. Great info. I will repost the attachment shortly, hopefully no errors this time. Regards, RK.
  15. CanuckEngineer

    Fire Pump Motor burning out on loss of phase

    For those of you who may be asking. The power transformer secondary is a Y connection with the neutral solidly grounded to earth. Thanks, RK.
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