OPTIMAX HE PLUS C
15
EN
cod. 3540I885 - 08/2012 (Rev. 00)
Other coaxial connections
fig. 20 - Examples of connection with coaxial pipes (
= Air /
= Fumes)
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.
fig. 21 - Starting accessory for coaxial ducts
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
Coaxial 60/100
Coaxial 80/125
Coaxial 80/125
OPTIMAX
HE PLUS 31 C
OPTIMAX
HE PLUS 38 C
OPTIMAX
HE PLUS 31 C
OPTIMAX
HE PLUS 38 C
Max permissible (horizontal)
equivalent flue length
7 m
6 m
28 m
25 m
Max permissible (vertical)
equivalent flue length
8 m
7 m
Reduction factor 90° bend
1 m
1 m
0.5 m
0.5 m
Reduction factor 45° bend
0.5 m
0.5 m
0.25 m
0.25 m
C
13
C
13
C
33
C
33
C
33
C
13
Ø 100
Ø 60
120
142
Ø 80
Ø 127
120
147
Ø 100
Ø 60
041002X0
041006X0
041001X0