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Nest 3rd gen heat link USB?

Discussion in 'Plumbing and Central Heating' started by gwebstech, 27 Oct 2020.

  1. gwebstech

    gwebstech

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    Hi

    What is the USB C cable attachment for with these heat links? they have to be mains wired dont they, if so why have connection for a cable?

    thanks
     
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  3. stem

    stem

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    You are right the Heat link is mains powered, and I have often wondered about its USB port. I believe that it's there for diagnostics / troubleshooting by Nest support...

    ...or, maybe to allow the installer to charge his mobile phone during commissioning. :)
     
  4. denso13

    denso13

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  5. Chris_W

    Chris_W

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    I think it’s also used as a power source should you not have a current room thermostat.
     
  6. stem

    stem

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    That link refers to the USB port on the Thermostat, not the one on the Heat link.

    The Heat link requires a 230V supply AFAIK it can't be powered via the USB, but would be interesting to find out. Were you thinking of the Thermostat which can be powered / charged via USB?

    The OP asked about the USB port on the Heat link.

    pic.jpg
     
    Last edited: 28 Oct 2020
  7. Chris_W

    Chris_W

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    Yes I was, :oops:, should have gone to specsavers :LOL:
     
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  8. gwebstech

    gwebstech

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    yes i know what its for on the nest itself, but not so sure about the heat link.
     
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