Dual Fuel Smart Stat Wiring | Hvac Pro Forums Apr 23, 2019Dual Fuel Smart Stat Wiring. Discussion in 'Residential' started by AmbientAndy, Apr 16, 2019. AmbientAndy New Member. Messages: 401 Location: SE MI. So my neighbor got a new EcoBee4 and asked me to come over and help wire it up, and after looking at the diagrams I don’t know that it’s going to work. The problem I’m seeing is the[PDF] Smart Installation Thermostat Manual - ecobee Wiring the Equipment Interface To wire the Equipment Interface: 1. Disconnect the power to the heating and air conditioning equipment. 2. Disconnect the wires going to the existing Thermostat. 3. Using the wiring diagrams on pages 9-14, connect the heating or air ECOBEE SMART INSTALLATION MANUAL Pdf Download. Installation Wizard HVAC System Compatibility Information Equipment FCC Compliance Statement Thresholds Specifications Test Equipment Installing the ecobee Smart Thermostat Sensors Installing the Equipment Interface Setting up the Remote Sensor Inputs Wiring the Equipment Interface View Wiring Diagram Wiring Diagrams Contractor Info.. In-depth Thermostat Wiring Guide for Homeowners Wire strippers are available at home improvement stores for less than $15. Add wire connectors, if necessary, to each wire you’ll use. They are available in packs for less than $5. Attach the wires to the terminals on the furnace using the color code and diagram provided with the thermostat and/or the furnace or air handler.[PDF] Advanced Installation and Configuration Instructions Wiring Diagrams The following pages provide wiring diagrams for multiple heating and cooling equipment configurations. Dual Transformer Installations During the Guided Setup process, you will need to configure the thermostat for two transformers. This removes the internal jumper between Rc and Rh.