Install Instructions

5
2. Mount thermostat base to wall
Remove the back plate from the thermostat.
Secure the thermostat back plate to a
2 x 4" electrical box with machine screws or to
drywall using wood screws with wall anchors.
If the wall has damage extending beyond the
width of the Thermostat, place the wall plate trim
behind the back plate.
Connect the 2 wires from the old thermostat to
the terminals on the back of the Thermostat. This
connection is not polarity sensitive.
3. Wiring the Thermostat
Align the 2 notches at the top of the base plate
with the holes on the top of the thermostat then
rotate on the hinge point down to close.
4. Attach the thermostat
to back plate
Locate the HVAC Interface Module so that it can
connect to the other end of the existing wire from
the thermostat. After removing the cover, secure
the HVAC Interface Module to the wall, the HVAC
equipment chassis or HVAC plenum using the
holes at the top and bottom of the module.
Wiring to the module enters from opening on
the sides or the back. Refer to the diagrams on
pages 6 to 11 for wiring details.
5. Mounting the HVAC
Interface Module
6. Replace the Cover
Push the HVAC
Interface Module
Cover towards the
base. Top and bottom
clips hold the cover
in place.