Baxi LUNA HT 1.450 Installers And Users Instructions page 77

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Separated horizontal flue terminals installation options
IMPORTANT: Ensure a minimum downward slope of 1 cm toward the outside per each metre of
duct length
Make sure that the exhaust and intake ducts are securely fixed to the walls.
L max = 15 m
Separated vertical flue terminals installation options
L max = 15 m
IMPORTANT: if fitting a single exhaust flue duct, ensure it is adequately insulated (e.g.: with glass
wool) wherever the duct passes through building walls.
For detailed instructions concerning the installation of fittings refer to the technical data accompanying
the fittings.
77 77
(L1 + L2) max = 60 m
The maximum length of the suction
duct must be 15 metres.
L max = 14 m