“can I use the existing 24 volt wire R and JUMPER it to the C terminal instead of the exterior power. if so do I have to remove Rc and R jumper that is required on my old one, Rc IS FOR COOL”

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• This comes with a kit for supplying power if you don’t have a C wire. But what I’ve noticed is that most furnaces have the spot for a wire, it’s just tied off. Check your furnace, it’ll probably save you some hassle

  Answered by Drsw 6 years ago

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• The ecobee3 lite is designed for 24VAC with a 2A maximum current.

  Answered by CommunityAnswer 6 years ago

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