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Thread: HY Chinese vfd

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  1. #5
    Hi
    Thank you every one for your replies.
    I'm still confused ,
    If I connect all my earths to terminal 9 as manual states, my vfd has a large aluminium heat sink on the rear of it which will be bolted to my control cabinet, as my cabinet is earthed it will earth the vfd heat sink, the 2 bottom screws with the earth symbol will now be tha same earth as the whole system, as terminal 9 is not connected to any of this, won't there be a problem as I have 2 different earth points, based on star ground.
    I can't see why terminal 9 wouldn't be connected to the Aluminium heat sink.
    Or am I over thinking this.

    Can someone just confirm they have no continuity between terminal 9 and there aluminium heat sink
    On the rear of the vfd.

    Many thanks Paul
    Last edited by Crunch; 22-09-2019 at 10:47 AM.

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