User's Manual

INSTALLING THE SMART Si
THERMOSTAT
There are 5 steps to install the ecobee Smart Si thermostat:
Step 1. Power O HVAC Equipment
Step 2. Remove Existing Thermostat
Step 3. Install the Smart Si Thermostat
Step 4. Connect the Wiring
Step 5. Power On HVAC Equipment
Step 1. Power O HVAC Equipment
Before disconnecting the existing thermostat, or installing the
Smart Si thermostat, disconnect the power to the heating and air
conditioning equipment.
Step 2. Remove Existing Thermostat
Disconnect the wires to the existing thermostat and remove it
from the wall (if you are installing the Smart Si thermostat in the
same location).
Step 3. Install the Smart Si Thermostat
The ideal location for the thermostat is approximately 5 ft (1.5 m)
above oor level in the main living area.
Do not install the thermostat:
Close to sources of heat such as incandescent lights
Near supply heating/cooling sources
In direct sunlight
On exterior, non-insulated or poorly insulated walls
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