EcoNet UETST800SYS Guide D'utilisation page 33

How do I connect a ventilator (HRV or ERV) to an EcoNet HVAC system?
One must use the ventilator's wall control in the traditional manner, except only wire the ventilator control to
the G terminal of the furnace (do not wire to the Y or W terminals). In the EcoNet furnace setup menu, change the G
Input Fan Control to a fan speed that is desirable to run with the ventilator. The EcoNet system monitors the furnace
G terminal, and will turn on the fan when requested by the G terminal signal (when it is not heating
or cooling).
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EcoNet Smart Thermostat User Guide
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