User's Manual

INSTALLING THE EMS Si

There are 5 steps to install the ecobee EMS Si:

Step 1. Power O HVAC Equipment

Step 2. Remove Existing Thermostat

Step 3. Install the EMS Si

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

EMS Si, 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 EMS Si in the same

location).

Step 3. Install the EMS Si

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

In the kitchen or other areas of potentially high heat and/or

humidity