Equipment Connections - Tekmar Invita Quick Setup Manual

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

Equipment Connections

This illustration shows various equipment connected to
the HVAC Interface Module. Other equipment may be
included in your application.
Optional
Outdoor
Sensor
Humidifier
Electric Coil
Air Conditioner
or
Heat Pump
HRV/ERV
Ventilator
HVAC
Interface
Module
Furnace
the sides or the back. Refer to the diagrams on pages 5
to 7 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.
Conventional systems:
• Up to 2-stage heating, 2-stage cooling, fan and 2
accessories
Heat pump & dual fuel systems:
• Up to 4-stage heating, 2-stage cooling, fan, reversing
valve and 1 accessory
Accessory options:
• Humidifier, dehumidifier, HRV/ERV ventilator
Watts
W
FloodSafe Water
®
Detector Shutoff
Hot
Water
Tank
4 of 12
Invita WiFi
Thermostat