Maximum Flue Lengths For Use With Ecotec - Vaillant ecoMAX 618/2 E Installation Instructions Manual

PLANNING THE AIR/FLUE DUCT LAYOUT

Maximum flue lengths for use with ecoTEC

Accessories Accy. No.
Horizontal 303 933 Max. permitted
flue systems
Variable
303 942
termination 303 946
kit
only in
combina-
tion with
303 933
Vertical 303 900
flue systems
12
plus 612
plus 615
plus 618
8.0 m
concentric
flue length 1 elbow 87°
Fig. 1.17
Maximum length of flue is reduced by 1.0 m for each additional 87° elbow
Maximum length of flue is reduced by 0.5 m for each additional 45° elbow
Max. permitted The maximum permitted concentric flue length given above is reduced as
concentric
follows:
flue length
Fig. 1.19 - Reduced by 0.5 m for the variable terminal
- Reduced by 0.5 m for every 1 m VTK pipe
- Reduced by 0.5 m for every 87° bend
- Reduced by 0.5 m for 2 x 45° bend
Max. permitted
12.0 m
concentric
flue length
Fig. 1.18
Maximum length of flue is reduced by 1.0 m for each additional 87° elbow
Maximum length of flue is reduced by 0.5 m for each additional 45° elbow
plus 624
plus 824
8.0 m
incl.
incl.
1 elbow 87°
12.0 m
ecoTEC
plus 630
plus 831
8.0 m
incl.
1 elbow 87°
12.0 m
pro 28
8.0 m
incl.
1 elbow 87°
12.0 m