Results 1 to 5 of 5
  1. #1
    Join Date
    Sep 2002
    Posts
    2,645

    3 units out one location

    Unit one 3hp walk in, burnt contractor coil,Unit two 5HP produce case line up,off on oil pressure.Unit 3 Carrier 48TM009 RTU,burnt trans and IGC board.Voltage readings 197,190,182 One of the phases to ground 80v,only slightly better in the basement.So we call sparkey,I go for coffee.When I come back much of the lights in the store are going on and off Con Edison gets called,I shut down all my three phase stuff.They pull the man hole cover in the street,one phase wire burnt to a crisp ,another smoking.I got to say these guys did some job,they did a resplice live in less than two hours! Readings now 217,215,212!

  2. #2
    Join Date
    Feb 2009
    Location
    Tallahassee, FL
    Posts
    5,821
    That's intense work.

  3. #3
    Join Date
    Nov 2006
    Location
    Southeastern Pa
    Posts
    17,031
    It is.

    Procedures and protection.
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist

    AOP Forum Rules:







  4. #4
    Join Date
    Sep 2002
    Posts
    2,645
    Quote Originally Posted by SBKold View Post
    That's intense work.
    Yea,The coffee part was bad,It's a fight to give up the doughnuts!

  5. #5
    Join Date
    Jun 2010
    Location
    Jackson, MS
    Posts
    78
    You did a really smart thing by getting your equipment off-line ASAP. Saved somebody a bunch of money. Seen several 3-phase motors cooked when a phase goes low or goes away. People should put phase monitors on such things - they rarely do.
    Dave E

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Comfortech Show Promo Image

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine
Comfortech365 Virtual Event