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Thread: Carrier 30HXA

  1. #1
    Join Date
    Sep 2018
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    Carrier 30HXA

    Im working on a Carrier 30HXA chiller with a wye delta screw compressor. I just got on site this afternoon and found that FUSE 2 was blown. I replaced the 15A fuse and restarted the chiller. Contactor 1M engages and soon after the start contactor engages (S contactor). It immediately blows the fuse. I have chased down the wiring and can not find a direct short anywere on the circuit. I would appreciate any help. Thanks.

  2. #2
    Join Date
    Dec 2015
    Location
    Washington, DC
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    Check motor starter coil

  3. #3
    Join Date
    Sep 2018
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    Thread Starter
    Quote Originally Posted by Boiler Guy View Post
    Check motor starter coil
    I did that. I put a 15A popper in place of the fuse and it’s up and running. I guess the fuse holder has a short in it.

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