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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 WANDERS 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 universal wall brackets of Ø 150 mm to attach the surround of the concentric fl ue system to any construction.
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.
Gastype
A (min.-max.)
Nat. gas
1,0 - 3,0 m
LPG
Nat. gas
1,0 - 3,0 m
LPG
all dimensions are exclusive the length of the wall outlet
B
B (min. - max.)
Collar shaft
0 - 0,5 m
NO
NO
1 - 3,0 m
NO
NO
Gastype
A (min. - max)
Nat. gas
3,0 - 10,0 m
LPG
Nat. gas
1,0 - 3,0 m
LPG
all dimensions are exclusive the length of the roof outlet
Collar shaft
Ø 50 mm
Ø 70 mm
25
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