WebbAn addition to the W terminal is the W2 terminal which is for second stage heating. Some systems and thermostats even have a W3 for third stage heating. C Terminal: The C-terminal is the 24 volt common (as opposed … WebbW wires go directly to the source of heating; that may be a furnace (gas, electric, oil, you name it) or heat pumps (mini-split heat pumps included). W2 is designated for two-stage …

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Webb1st generation Nest Learning Thermostats support two stages of heating and one stage of cooling for conventional systems, and heat pumps with auxiliary heat. To learn more … WebbW2-Wire - connects to W2 terminal and for heat stage 2 G-Wire - connects to G terminal and for fan operation with the green wire C-Wire - connects to C terminal (common 24v power) with the C wire O or B-Wire - connects to O or B terminal and is for reversing valve operation E-Wire - connects to E terminal and is for Emergency heat gravity inversion

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Webb12 feb. 2024 · Connect the W wire to terminal 2 Connect the R wire to terminal 3 Connect the G wire to terminal 4 Remove the door panel of your furnace to access the control board and transformer. Label the four wires from the furnace to your thermostat – Y, G, W & R. Disconnect the wires from the control board. Open up your Power Bridge casing WebbConnect your Nest Thermostats, Nest Cams, Nest Doorbell, or Nest devices and add Nest Aware to one or more devices. Sign in to the Nest app in your web browser with your Google Account or non-migrated Nest Account. Connect your Nest Thermostats, Nest Cams, Nest Doorbell, or Nest devices and add Nest Aware to one or more devices. WebbSince you have a heat pump that means the Y wire controls both heat and cooling. Pretty much your wiring would go like this: For a Nest Learning Thermostat: Y1 = Yellow … gravity inversion boots recnsione