CS wall air intake
Wall air intakes are intended for drawing fresh air from outside of the wall.
Wall intake vents are made of steel sheets protected with the paint coatings.
Presentation of % participation of fresh air, for which wall intakes of dimensions equal with intake boxes meet the condition of air inlet velocity less than 2,5 m/s it means: they will not suck the rain.
ERM 0&1 units can operate totally on the outdoor air with the wall intakes dimensions equal with the cross-sections of the intake boxes.
For the TERM 2, 3 and 4 units and operated totally on the outdoor air the wall intakes are selected by the manufacturer (wall intakes will have the bigger surfaces area).