© 2019 tekmar 564_Q - 10/19
5 of 16
Equipment Connections
This illustration shows various equipment connected to the HVAC Interface Module. Other
equipment may be included in your application.
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
W
Air Conditioner
or Heat Pump
HVAC
Interface
Module
Hot Water Tank
Watts
FloodSafe
®
Water
Detector Shutoff
HRV/ERV
Ventilator
Optional
Outdoor
Sensor
Invita WiFi
Thermostat
Furnace
Humidifier
Electric Coil