Design Of Flue And Air Pipe For Direct Vent Operation - Buderus Logano plus GB312 Installation Manual

6
Installing the boiler
6.8

Design of flue and air pipe for direct vent operation

4
Fig. 18 Wall-exit air pipe, roof-exit flue
1 Flue outlet (type of outlet depends on chosen manufac-
turer, e.g. 90° elbow or T-piece)
2 Air inlet (T-piece fitted horizontally or 90° elbow)
3 External wall
4 Roof
Fig. 19 Wall-exit air pipe and flue
1;2 Flue outlet (external-wall flue requires horizontally or verti-
cally mounted T-piece), observe clearances specified in
Fig. 12
3 Air intake terminal (90° elbow facing vertically down-
wards)
4 External wall
28
1
1
1
2
2
3
7 747 010 720-17.2RS
1
2
3
4
7 747 010 720-20.2RS
Logano plus GB312 - Technical specifications are subject to change without prior notice
1
2
Fig. 20 Roof-exit air pipe and flue
1 Flue outlet (type of outlet depends on chosen manufac-
turer, e.g. 90° elbow or T-piece), observe clearances
specified in Fig. 17
2 Air inlet terminal (90° elbow pointing away from flue outlet)
3 Roof
2
Fig. 21 Roof-exit air pipe, wall-exit flue
1 Flue outlet (external-wall flue requires horizontally
mounted T-piece or 90° elbow facing downwards)
2 Air inlet (90° elbow or T-piece)
3 External wall
4 Roof
1
1
3
7 747 010 720-19.2RS
2
4
1
1
3
7 747 010 720-21.2RS