Before You Begin

This product is intended to be installed by trained service professionals. This manual explains the procedures for installing the ecobee Smart Si thermostat. Please read it carefully before beginning the installation. For information on how to operate the ecobee Smart Si thermostat, please see the Smart Si Thermostat User Manual. The Smart Si thermostat is designed to be mounted on the homeowener's wall in a convenient location.

Note: Disconnect electric power to the HVAC system before installing this product. Failure to do so could result in electric shock and/or equipment damage. All wiring must conform to your local electrical code.

Mercury Notice: This product does not contain mercury. If you are replacing a product that does contain mercury, contact your local waste-management authority for disposal instructions. Do not discard the old product in the regular trash.

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