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Drainage by balanced flue offers the advantage of
making the boiler airtight in relation to the ventilation
conditions in the premises on which it is installed.
Drainage is possible through the wall next to the boi-
ler or through the roof.
5.3.2 - Horizontal balanced flue
Recommendations
It is possible to install the boiler with a
!
balanced flue outlet when the wall next
to the boiler is an outside wall opening
on to a well-ventilated area.
Ensure that the level of sound produced
by the boiler, around the balanced flue
terminal, will not be a nuisance.
Do not place the flue terminal:
- at less than 2 m (6.6 ft) from a ventila-
tion hole or an opening,
- in front of the building or in a pas-
sageway (risk of obstruction, smell of
combustion
amounts of steam depending on the
weather conditions).
- at less than 2 m (6.6 ft) from the
ground or in an area that can be ac-
cessed by a young child (risk of obs-
truction - not supllied).
Maximum linear length of the horizontal flue :
Lmax = 5 m (16.4 ft)
Note:
- It is possible to raise the terminal using the flue
with elbow option.
- Each 45° elbow added reduces the total autho-
rized length by 0.5 m (1.6 ft) .
- Each 90° angle added reduces the total autho-
rized length by 1 m (3.28 ft).
products,
varying
- 20 -
5.3.2.1 - Installation examples
5.3.2.1.1 - Straight balanced flue
Fig. 12
Accessory:
- 1 straight horizontal balanced flue kit - l = 0,95 m
(3.12 ft).
5.3.2.1.2 - Angled balanced flue with hose
Fig. 13
130
Accessory:
- 1 angled horizontal balanced flue kit - l = 3 m
(9.8 ft).
INSTALLATION
130
0,77 m
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