Aeraulic Connection; Type Of Roof Cowl And Fresh Air Grille To Be Used - aldes Cube 300 Notice De Montage

4.3 Aeraulic connections
Type of aeraulic duct system
The product can be used with several types of ducts:
• Algaine flexible ducts. (use at least 50 mm of insulation when installed in non-heated areas).
• Minigaine rigid ducts (only in heated areas).
• Flexigaine semi-rigid ducts (only in heated areas).
Recommendations for fitting ducts:
• Flexible ducts must be suspended.
• Avoid unnecessary bends.
• Make sure the ducts are not crushed.

Type of roof cowl and fresh air grille to be used

To minimise pressure losses the product must be used as follows:
Extraction of foul air:
• Either via a roof cowl with diameter 160, type STS
• Or via an external wall grille, type AWA 251 300x300.
Fresh air intake:
• External wall grille, type AWA 251 300x300.
The fresh air intake and foul air outlet must be installed on 2 different wall sections or at least 8 metres
apart to prevent recirculation .
The grille must be positioned so that it does not get wet or become blocked . Position it carefully (away
from chimneys, car parking)
The roof cowl and fresh air intake must be connected to the unit using ducts which are 160 mm in diameter .
It is not recommended that the fresh air intake be positioned on the roof (risk of ingestion of water or snow
into the Heat Recovery unit) .
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