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Electronics / Re: Wiring nest thermostat to work w/ wood furnace and gas furnace

« on: November 13, 2013, 05:19:08 AM »

Boyd's, thanks for your input. I understand your comments and appear to be set up same as you. I haven't run it long enough or been in the situation where the plenum is too hot for the furnace flame to kick on. Do you remember if you hooked fan to W1 (wood) and the furnace flame to W2/Aux. also, I wish I could program the emergency point higher on the Nest.  I think a little adjustable programming on Nest's part to up the heat pump / emergency heat limit to say 60 or 65 would help.  Also, the nest is a great tool for the wood furnace as I can monitor and adjust heat while away saving wood

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Electronics / Wiring nest thermostat to work w/ wood furnace and gas furnace

« on: November 12, 2013, 09:17:53 PM »

I saw some dated threads, but, can anyone explain the proper set-up for wiring in the nest thermostat for a auxiliary source such as the wood boiler.  I have it working now, set up as a heat pump but would like to control the backup source (gas heater) a little better by setting a low temp for it to kick on if I forget to put wood in one night