Tekmar Invita Installation, Operation And Maintenance Manual page 5

2. Mount Invita base to wall
Remove the back plate from the thermostat .
Secure the Invita 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 Invita WiFi Thermostat, place the wall plate
trim behind the back plate .
3. Wiring the Invita WiFi Thermostat
Connect the 2 wires from the old thermostat to the
terminals on the back of the Invita WiFi Thermostat .
This connection is not polarity sensitive .
4. Attach the thermostat
to back plate
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 .
5. Mounting the HVAC
Interface Module
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 .
6. Replace the Cover
Push the HVAC
Interface Module
Cover towards the
base . Top and bottom
clips hold the cover
in place .
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