Ecobee SMART, Installation Manual, Page: 10 / 20

4. Move the backplate out of the way and make holes
where indicated in step 3. The mounting holes can
accommodate a #6 pan-head screw.
5. Use drywall plugs or other screw anchors (not
included) to ensure the Smart Thermostat can be
mounted securely to the wall.
6.
Fasten the backplate to the wall using the appropriate
screws (not included).
Connecting the Smart Thermostat to
the Equipment Interface
Only four wires are needed to connect the Smart
Thermostat to the Equipment Interface. If you are
replacing a Thermostat, you can use the existing wiring.
Note: Ensure any unused wires do not have exposed
bare copper conductors.
Follow these steps to connect the Smart Thermostat to the
Equipment Interface:
1.
Connect the wires between the Smart Thermostat and
Equipment Interface as shown below.
2. Attach the front cover of the Smart Thermostat to the
backplate. Ensure the four pins on the circuit board mate
with the terminal block on the backplate as shown below.
Wiring from Smart Thermostat to the Equipment Interface
D- D+ GND +12V
Equipment
Interface
Thermostat
D-
D+
GND
+12V
Installing The Smart Thermostat 16
Installing the Smart Thermostat
The ideal location for the Smart Thermostat is
approximately five feet (1.5m) above floor level in the
main living area.
Do not install the Smart Thermostat:
Close to sources of heat such as incandescent lights
or heating/cooling registers.
In direct sunlight.
On exterior, non-insulated or poorly insulated walls.
In the kitchen or other areas of potentially high heat
and/or humidity.
In an area that could restrict air flow.
To Install the Smart Thermostat:
1. Remove the front cover of the Smart Thermostat,
insert a flat-head screwdriver into one of the slots as
shown below and gently twist the screwdriver.
2. Place the Smart Thermostat backplate on the wall.
Make sure that any existing wires can be inserted
through the opening for the wiring.
3. Using the backplate as a template, mark the location
of the mounting holes on the wall as shown below.
Insert screwdriver into one of the two slots and twist gently
D- D+ GND +12V
The solid color indicates mounting holes
15 Installing The Smart Thermostat
Replace the front cover ensuring the pins meet the terminals