Lamborghini Caloreclima ALHENA C Instructions For Use, Installation And Maintenance page 254

For coaxial connection, fit the unit with one of the following starting accessories. For the wall hole
dimensions, refer to the figure on the cover.
To facilitate the removal of condensate, the horizontal pipes must be inclined towards the
unit with a minimum slope of 5% (3°).
Ø 100
Ø 60
041083X0
Terminal distance (Type C13)
Table 4- Max. length coaxial ducts
Max. permissible length (horizontal)
Max. permissible length (vertical)
Reduction factor 90° bend
Reduction factor 45° bend
From the minimum length to the maximum length of the flues described in the table, the
power and combustion values declared in the technical data table will be respected within
the tolerances established by EN15502.
254 EN
041006X0
fig. 22- Starting accessories for coaxial ducts
50 mm
fig. 23
cod. 3540000251 - Rev. 00 - 03/2024
Ø 127
Ø 80
Terminal distance (Type C33)
Coaxial 60/100
All models 7 m
All models 8 m
1 m
0.5 m
ALHENA C
041084X0
fig. 24
Coaxial 80/125
24 kW = 28 m
28 kW = 20 m
34 kW = 20 m
0.5 m
0.25 m