CLASSIC-LINE
ECO-LINE
Installation Guide
23
L
max
Convection air
Convection air
Combustion air
Air-Direct
Convection air
Convection air
VL
/
Ai
r-D
ire
ct
Top of the hearth
Non-hermetiocally-
closing valve
Hermetically-
closing valve
Ex
ce
pt
io
n
: H
m
ax
≤
6
m
N
or
m
al
: H
m
ax
● The external air feed to the fireplace from the façade must
never
be fitted
higher than the top of the hearth.
Exceptions:
When the fireplace is fitted with the AIR-Direct system (VL) ;
→ in this case:
H
max
≤ 6 m
from the top of the hearth, if the fireplace projects
above the suction source.
If the fireplace uses a convection air system with a built-in fan;
→ in this case:
H
max
≤ 6 m
from the top of the hearth
●
External air ducts with a section of 175 cm
2
(
15 cm) should not exceed the
following maximum lengths:
→ fireplace
without ventilation
With semi-ridgid ductings („Aluflex“):
L
max
= 3 m
With ridgid smooth ducts:
L
max
= 4 m
→ fireplace with ventilation
With semi-rigid ductings („Aluflex“):
L
max
= 6 m
With ridgid smooth ducts:
L
max
= 8 m