aldes VMC Dee Fly Hygro Notice De Montage page 33

ASSEMBLY
Connection to technical elements (heat exchanger and motor unit)
Connector
Insulated flexible
Attach the inner duct to the
connector using a collar.
Clip
Motor unit Dee Fly
Attach the insulator and the outer duct and tighten it with the fixing collar
Make sure the duct is properly fitted and sealed.
Fixing the roof mounted exhaust
The roof mounted exhaust diameter is minimum Ø 160 mm.
• Shape the lead sheets to match the contours of the roof,
avoiding crimped edges.
• If the roof is slated/tiled, the lead sheeting should be locked
in place along the lintels.
• The rain-cover hood must be fitted with a flow of air
perpendicular to the slope of the roof.
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Fresh air inlet
• Preferentially to be located on the façade of the
building
• Use a wall-mounting air grille with low pressure
losses, type AWA251 300x300.