Ferroli MODENA S HE Instructions For Use, Installation And Maintenance page 15

MODENA S HE
Other coaxial connections
fig. 18 - Examples of connection with coaxial pipes (
For coaxial connection, fit the unit with one of the following starting accessories. For the wall hole dimensions, refer to
section "4.1 Dimensions and connections" pag. 27.
Before proceeding with installation, check with table 1 that the maximum permissible length is not exceeded, bearing in
mind that every coaxial bend gives rise to the reduction indicated in the table. For example, a Ø 60/100 duct comprising
a 90° bend + 1 horizontal metre has a total equivalent length of 2 metres.
Table. 1 - Max. length coaxial ducts
Max permissible (horizontal)
equivalent flue length
Max permissible (vertical)
equivalent flue length
Reduction factor 90° bend
Reduction factor 45° bend
EN
fig. 19 - Starting accessory for coaxial ducts
Coaxial 60/100
MODENA
18 S HE - 25 S HE - 32 S HE
7 m
8 m
1 m
0.5 m
cod. 3541C364 - Rev. 00 - 12/2012
= Air / = Fumes)
Coaxial 80/125
MODENA
18 S HE - 25 S HE - 32 S HE
28 m
0.5 m
0.25 m
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