Vaillant ecoTEC plus VU Series Installation Manual page 14

Condition: Top connection, air/flue pipe to the side
A = 125 mm
If you want to install the air/flue pipe laterally, you can de-
termine the position of the wall duct by carefully offsetting the
central line of the wall duct that is marked on the mounting
template.
▶
Calculate the required gradient in accordance with the
length of the flue pipework and then mark the position for
the wall duct.
14
A
5.2.2 Determining the clearance to the external
wall
1a.
1b.
2.
1a. Upper flue pipe at the
rear
1b. Upper flue pipe to the
side
▶
Measure the clearance (A) from outside of the wall to the
centre of the connector.
Clearance
0010035512
303933
B 87 mm
Air/flue pipe installation manual 0020308120_02
A B
A B
A
2. Must only be used with
the variable terminal set
(VTK)
A Clearance to the ex-
ternal wall
Article number
0020219517
0020219519
140 mm