8.3.5 Shortening An Extension - Vaillant ecoTEC plus Installation Manual

8.13 Shortening the roof duct
Key
1 Roof duct
2 Fastening clamp
3 External pipe of the roof duct
4 Internal pipe of the roof duct
5 Connecting sleeve
> Pull the connecting sleeve (6) out of the external pipe
(3).
> Shorten the external pipe (3) and the flue pipe by an
equal distance (maximum 20 cm).
> Place the connecting sleeve (6) back into the external
pipe (3).
> Drill a hole (4) with a diameter of 3 mm through the
external pipe and through the connecting sleeve (6).
> Install the safety screw.
> Connect all the flue components under the roof.
> Connect up all the flue components above the roof
(extensions, opening piece, clamps).
> Install all the pipe brackets.
> Attach the fastening clamps of the roof duct to the raft-
ers or ceiling.
If opening heights of more than 1.5 m are required, the roof
duct must be anchored.
Installation manual for the flue pipe for ecoTEC plus 0020137851_02
Installing the flue gas pipe on the external wall
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2
3
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8.14 Anchoring above the roof
If the roof duct protrudes by more than 1.5 m above the tile
(3), the roof duct must be secured above the roof.
> Attach clamps (1) to all the connecting points above the
> Attach a pipe bracket (2) to the pipe above the roof.
> Connect this pipe bracket to the roof construction using

8.3.5 Shortening an extension

8.15 Shortening an extension
4
tile.
struts (4) or rope.
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8
1
2
3
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