Vaillant ecoTEC plus - Page 30

5 Set-up
30 Set-up instructions 0020200969_07
5.7.2.3 Installing 80/125 mm diameter (stainless
steel) extensions
1
2
3
1. Unscrew the screws (3).
2. Pull the flue pipe (1) out of the air pipe (2).
1.
2.
A
B
+ 40 mm
15
70
25
1
2
2
1
3. First, measure the required air pipe length* (A) and then
calculate from that the corresponding flue pipe length
(B) in each case:
–
Length of the flue pipe: Length of the air
pipe + 40 mm
– * Minimum length of air-pipe extension: 100 mm.
4. Cut the pipes using tin snips, a saw, etc., suitable for
stainless steel.
5. After shortening, lock the flue pipe (1) inside the air pipe
(2) again.
5.7.3 Installing elbows (white)
5.7.3.1 Correctly aligning the elbows
Danger!
Risk of poisoning due to escaping flue
gas.
Unnecessary loads on the connections may
cause leaks.
▶ Align the elbows correctly.
▶ Observe the following illustrations when using two 87°
elbows.
Arrangement of the 2 x 87° elbows – View from above
3°
Arrangement of the 2 x 87° elbows – View from the front
3°
Arrangement of the 2 x 87° elbows – View from the side
▶ When using elbows to route long flue pipework in a
corner, observe the following figures.