The supply air flow must be lower than the exhaust air flow
to prevent over pressure in the house.
Set the ventilation capacity in the main product’s menu
system (menu 7.1.4 - "Ventilation").
Adjusting ventilation
To obtain the necessary air exchange in every room of the
building, the exhaust air valve and the supply air inlet as well
as the fans in the HRV unit must be correctly positioned and
adjusted.
Immediately after installation adjust the ventilation so that
it is set according to the projected value of the house.
Incorrect adjustment of the ventilation may lead to reduced
installation efficiency and thus poorer operating economy,
a poorer indoor climate and moisture damage in the building.
Ventilation connections
Exhaust air
Supply air
Extract air
Outdoor air
11Chapter 4 | Ventilation connectionsNIBE ERS 20-300
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