Vaillant ecoTEC plus - Setting Heating Flow Temperature; Hot Water Production and Safety

System conditions
Installation manual for the flue pipe for ecoTEC plus 0020137851_02 15
5
5 System conditions
5.1 Maximum pipe lengths
Elements Art. no.
ecoTEC plus
VU GB 806/5-5 VU GB 1006/5-5 VU GB 1206/5-5
Vertical
roof duct
0020166853 Max. concentric pipe
length
24 m
plus 2 x 87° elbows
20 m
plus 2 x 87° elbows
11 m
plus 2 x 87° elbows
If additional diversions are arranged in the flue gas installation,
the maximum pipe length is reduced as follows:
- By 1.5 m for each 87° elbow
- By 1.0 m for each 45° elbow
Horizontal wall/roof
duct
0020166854 Max. concentric pipe
length
22 m
plus 1 x 87° elbow
18 m
plus 1 x 87° elbow
9 m
plus 1 x 87° elbow
If additional diversions are arranged in the flue gas installation,
the maximum pipe length is reduced as follows:
- By 1.5 m for each 87° elbow
- By 1.0 m for each 45° elbow
Connection to air/flue
gas system (LAS)
0020106380
0020106376
Max. concentric pipe
length (horizontal
section)
4.0 m
plus 3 x 87° elbows
4.0 m
plus 3 x 87° elbows
4.0 m
plus 3 x 87° elbows
The chimney sweep approvals must be observed.
The dimensions of the chimney must comply with the manufacturer's
specifications.
Connection to flue
gas pipe on the exter-
nal wall
0020166855 Max. concentric pipe
length up to air intake
3 m
plus 3 x 87° elbows
and support elbow
3 m
plus 1 x 87° elbow and
support elbow
2 m
plus 1 x 87° elbow and
support elbow
If additional extensions/diversions are arranged in the concentric part
of the flue gas installation, the maximum length of the flue gas pipe on
the external wall is reduced as follows:
- By 5.3 m for each 87° elbow
- By 3.2 m for each 45° elbow
- By 3.2 m for each 1 m extension
max. pipe length on
the external wall
50 m 50 m 29 m
If additional diversions are arranged in the flue gas pipe on the external
wall, the maximum length is reduced as follows:
- By 1 m for each 87° elbow
- By 0.5 m for each 45° elbow
5.1 Maximum pipe lengths ecoTEC plus
(continued on next page)