22
GB
apply. To prevent water from entering the outlet, the façade duct can be installed at a slight angle to improve drainage.
You must also take into consideration the place of the outfl ow in relation to the existing ventilation openings,
movable windows and combustion air supply provisions. Please consult the national and local requirements.
Placing possibilities for the pipe system
The total length of the pipe system must never be more than 10 metres excluding the passage through the wall and the
outfl ow. The maximum horizontal length is 3 metres. A 90° square angle counts as a length of 2 metres. A 45° turn counts as
a length of 1 metre.
For the combined fl ue tube and combustion air supply you must apply one of the following set-up possibilities of the
concentric pipe systems: with wall duct, with roof duct, or with roof duct with bend.
Because of the high outer temperatures of the fl ue system (around ± 150°C) it’s not allowed to use flammable materials
near the flue system. Therefore it is advised to surround the flue system, on locations where it is not in direct view, with
non-flammable materials. Make sure this construction is sufficiently ventilated (per floor) by installing
ventilation grids near the floor and the ceiling.
It’s not allowed to insulate the concentric fl ue system.
Use approved wall brackets Ø150 mm to attach the sleeving of the concentric channel system [Ø 100
mm - Ø 150 mm].
Select one of the connection possibilities. Then build up the fi rst metre of concentric pipe from the
counterpart in the appliance. If you can see the blue rubber ring in the pipe from above, you will
know that the assembly is correct. Keep a distance of at least 5 centimetres between the outer wall
of the concentric pipe and the ceiling. Always start with 1 meter vertical.
Pay special attention to proper installing when, due to circumstances, a part of the double-walled
pipe system must be built in.
Wall outlet (type C11)
•
Always allow one metre vertical before passing through the outer wall.
•
The maximum length for a horizontal segment is 3 metres. When using LPG the maximum horizontal length is 2 metres.
•
Determine the location of the appliance and the exterior wall duct.
•
Make an opening of Ø 160 mm for the wall duct.
•
Connect the wall duct vertically with a curve to the mouth of the appliance, push them fi rmly together and place the clip
binding. The blue rubber ring ensures suffi cient sealing of the outlet of the fl ue gas system.
•
If the appliance is placed more than 1 meter from the outside wall, place the fi rst meter on top the appliance, then the elbow
followed by the wall outlet. Finally make sure the construction is gastight.
•
Mount the wall brackets with the appropriate diameter, following the instructions on page 21.
Roof outlet (type C31)
The roof outlet may pass through any point of the roof, with a bend to the ridge, if so desired. The roof outlet is supplied with
a universally adjustable plate for a sloped roof, or with an adhesive plate for a fl at roof.
•
Determine the location of the appliance and the roof outlet.
•
Make an opening of Ø 160 mm.
•
Connect the pipes vertically to the outlet of the appliance, press it in place and secure it with the clip.
•
Determine the length of the pipes you need, and ensure that the adhesive strip or the universal tile is properly linked up with
the roof.
•
Saw the outer pipe off to measure and link the roof outlet to the concentric pipes.
•
Mount the wall brackets with the appropriate diameter, following the instructions on page 21.
M
in. 1 m.
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