view from above
(L
+L
) max = 19 m
1
2
(*) The two end pieces (combustion air inlet - fl ue gas outlet) must be installed in the same area of the building.
The outlet pipe must never be any longer than 10 metres calculated with a
90° bend. For lengths greater than 6 metres, it is necessary, for the entire
length of the outlet duct, to use insulated pipes and bends so that the loss
of temperature along the duct is limited.
L max = 5,5 m
examples of installation with twin pipe horizontal ducts
(*)
examples of installation with twin pipe vertical ducts
IMPORTANT: The single duct for discharg-
ing fl ue gases must be suitably insulated where
it comes into contact with the walls of the
building, using appropriate insulation (such as
fi breglass padding).
For more detailed instructions on how to fi t
the accessories, please refer to the technical
notes provided with the accessories.
15
(L
+L
) max = 18,5 m
1
2
(L
+L
) max = 9 m
1
2
L max = 4,5 m