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Treadmill tripping RCD

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  • 04-10-2017 9:51pm
    #1
    tippgaafan
    Registered Users Posts: 74 ✭✭


    Having problems with a treadmill which is intermittently tripping the RCD. Presume it's due to the high current draw on the motor which is slowing down return current to the RCD. Any tips on preventing this ?

    Is it permitted to connect to a non RCD circuit via FCU?

    Would a surge protector help ?


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    #2
    Stoner
    Registered Users Posts: 10,952 ✭✭✭✭Stoner


    Haven't worked on these in a long time, but we'd the design on a lot of fitness centres over the years.
    The thread mill suppliers we dealt with recommended one 20 amp type D rcbo per unit. Due to high startup current

    However the real data is for 2 or 3 even 4 per 20amp rcbo. These operated without issue.

    Surge protection is not a solution here

    If you have checked the manual for recommendations to see what breaker is recommended. I'd look at the other things on the circuit too.

    If you have an industrial thread mill it might not like the sensitivity of the rcd or sharing it.

    Have a look at that

    A potential solution might be getting a sparks to move that circuit to its own rcbo might help.


  • Options
    #3
    tippgaafan
    Registered Users Posts: 74 ✭✭tippgaafan


    Stoner wrote: »
    Haven't worked on these in a long time, but we'd the design on a lot of fitness centres over the years.
    The thread mill suppliers we dealt with recommended one 20 amp type D rcbo per unit. Due to high startup current

    However the real data is for 2 or 3 even 4 per 20amp rcbo. These operated without issue.

    Surge protection is not a solution here

    If you have checked the manual for recommendations to see what breaker is recommended. I'd look at the other things on the circuit too.

    If you have an industrial thread mill it might not like the sensitivity of the rcd or sharing it.

    Have a look at that

    A potential solution might be getting a sparks to move that circuit to its own rcbo might help.

    Traced the problem to faulty emi filter. Replaced the filter and working for the past 2 weeks with no issues.


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