Vaillant Air/Flue Gas System Installation Manual download pdf (Page 27)

Installing the 160 mm diameter and 200 mm diameter systems 7

0020058722_04 Air/flue gas system Installation manual 27

Static dimensions of the flue gas pipe

A Max. 50 m (max. vertical

height above the support

console)

B Max. 2 m (distance

between the pipe

brackets)

C Max. 2 m (distance

between the two upper

pipe brackets)

D Max. 1.5 m (max. height

above the last pipe

bracket)

Danger!

Risk of injury due to falling parts.

The part of the flue gas pipe that protrudes

above the roof must be sufficiently rigid.

There must be no offset between the two

uppermost pipe brackets (dimension C). An

offset reduces the tensile strength of the flue

gas pipe and can lead to rotation or loosening

of the flue gas guiding.

▶ Do not install an offset between the two

upper pipe brackets.

▶ Do not install an offset between the two

uppermost pipe brackets (dimension C).

▶ Install air clamps at all connecting joints

between the two uppermost pipe brackets

(dimension C) and the uppermost section

(dimension D).

7.4.2 Static dimensions for an offset of the flue

gas guiding

Max. 5 m

Max. 4 m

▶ Use 45° elbows.

▶ Only install one offset.

▶ Observe the following dimensions:

– Length of the diagonally-guided section: ≤ 4 m

– Distance A between 2 pipe brackets (1): ≤ 1 m

– Length of the vertical section: ≤ 5 m

▶ Connect the 45° elbows to the extensions on both sides

using clamps (2).

7.4.3 Preparing the installation

1. Before starting the installation, determine the route of

the flue gas guiding and the number and position of the

pipe brackets.

– Observe the static dimensions.

– The flue gas pipe must be positioned at a distance

of at least 20 cm from windows and other wall open-

ings.

2. Drill a hole with a core diameter of at least:

– 160/225 system: 253 mm

– 200/300 system: 303/353 mm

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Vaillant Air/Flue Gas System Installation Manual Page 27

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