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Thread: Mini Splits

  1. #41
    Join Date
    Jul 2007
    Location
    Clark County, NV
    Posts
    1,204
    Thank you for the update. I'm an HVAC contractor (after 15 years as an electrician) now and can say that in 10 years, I've never once installed a disco at the indoor unit, and it would seem silly to do so.

    And yes, I completely agree that a standard split-system is a different animal.

  2. #42
    Join Date
    Nov 2013
    Location
    Derry, NH
    Posts
    3

    minisplits

    I live in NH and we are currently using the 2017 NEC; this topic has been addressed by the NH State Electrical Inspectors and they are hanging their hat on 440.14. Why this switch is required in their eyes, I guess only they know, but the exterior unit may be locked off thereby rendering the interior unit de-energized. Just seems redundant to me.

  3. #43
    Join Date
    Dec 2007
    Location
    NE Nebraska
    Posts
    38,252
    Quote Originally Posted by WENTY View Post
    I live in NH and we are currently using the 2017 NEC; this topic has been addressed by the NH State Electrical Inspectors and they are hanging their hat on 440.14. Why this switch is required in their eyes, I guess only they know, but the exterior unit may be locked off thereby rendering the interior unit de-energized. Just seems redundant to me.
    I would be more understanding of their decision if they hung their hat on something from art 422. The indoor unit does not contain a hermetic compressor and therefore doesn't fit the scope in 440.1 meaning nothing in 440 applies, it is simply a motor driven appliance.
    I live for today, I'm just a day behind.

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