Duct connection
All duct connections display a yellow sticker indicating the
type of ventilation duct to be connected.
Connect the supply air
Du ct system from the unit to the supply outlet in the living
room
Connect the extract air
Duct system from wet rooms to the unit.
Connect the fresh air
Duct system from fresh air roof cowls/external grills from
the ground collector to the unit.
Connect the exhaust air:
Duct system from unit to the escaping roof cowls/external
grills.
Duct system
It is recommended that the duct system is executed in
spiral ducting connected with rubber ring seal fittings in
order to provide a leak-free and durable duct system.
To achieve a satisfactory low sound level from the unit,
attenuators must always be fitted to the supply and extract
duct system between the unit and the first supply and
extract fittings.
It is recommended that air speeds in the ducts are
dimensioned at sufficiently low level to prevent noise from
the ductwork.
When positioning fresh air and extract roof cowls/grills,
make sure the two air flows do not short circuit, causing
escaping air to be drawn in again.
It is recommended that the fresh air intake is placed on the
north or east side of the house to provide optimum comfort
with minimum influence by heating of the sun.
Recommended minimum horizontal distance between air
intake and exhaust: 3 meters.
Recommended minimum vertical distance between air
intake and exhaust: 1 meter.
To connect standard galvanized steel ducts to the ECO190
ventilation unit - start by installing 4 no. male connectors in
the Ø125 mm. openings in the unit (double sealing lips).
Now the unit is ready for connecting ductwork directly on
to the male connector.
It is recommended to install galvanized brackets to secure
the male connector to the galvanized housing by using steel
cutting screws.
3 m
1 m
3 m
5
