- 17 -
INSTALLATION
3.2.4 - Configuration étanche (C
33
)
Definition: Lining of an existing chimney flue,
sealed with respect to the installation room by a PP
corrugated flue of Ø 80
or ∅ 110(in this case the air
inlet is obtained by the chimney flue around the
combustion product outlet) - (no ventilation con
-
straints for the boiler).
- The roof termination specific to this configuration
can have an outlet below the roof,
- Do not use the hose for a horizontal assem-
bly: condensate may be retained.
- Fit a siphon (5) with a minimum 80 mm seal be-
tween the bleed T-bracket and the waste water
pipe,
- The bleed T-bracket at the foot of the flue is op-
tional when the vertical flue is short,
- The air is sucked in by the burner from outside the
room through the concentric terminal
(The air in-
let sheath (21) is connected to the burner).
- Refer to the CSTB technical notice for install-
ing flues.
3.2.4.1 - Installation example
Accessories :
3) PPtl tube
∅
80 L = 1 m (cut to the length required),
3) PVC tube
∅
125 L = 1 m (cut to the length required),
or 1+3 = concentric extension
∅
80/125
4) Bleed T-bracket (PPtl
∅
80 for FCX 22) -
(PPtl
∅
110 for FCX 30) (preferably to be used) or
Ø 80 with 90° elbow,
5) Siphon,
6) PP corrugated flue (
∅
80 for FCX 22) -
(
∅
110 for FCX 30)
7) Termination (outlet possible below the roof)
9) Bleed T-bracket support
10)Chimney spacers
- T-bracket added reduces the total length allowed
by 1 m
.
Maximum length allowed: :
Lmax ≤ L1 + L2 + 1 m ≤ 9 m
6
1
3
FCX-74-0
L1
21
4
7
L2 = 1 m
maxi
9
5
10
Fig. 16