Installing The Roof Penetration For The Air Pipe - Buderus Logano plus GB312 Installation And Service Instructions Manual

6.7

Installing the roof penetration for the air pipe

To prevent possible recirculation of flue gas, the flue system installer
must take account of effects such as the prevailing wind conditions, e. g.
any eddy zones, the specifics of the site, etc. in the design of the flue and
air supply systems. Buderus can not be held responsible for such
potentially deleterious effects on boiler operation. Multi-boiler systems
1
2
3
Fig. 17 Design of air pipe roof penetration
A Minimum horizontal distance from air intake of another appliance
= 10 ft, minimum distance from own air intake for directly vented
appliances = 4 ft.
[1] 90° elbow or
[2] T-piece
[3] Ventilation air pipe boiler 1
[4] Flue outlet boiler 1
[5] Ventilation air pipe boiler 2
[6] Flue outlet boiler 2
Logano plus GB312 – 6 720 806 273 (2013/01)
A
4 ft min.
4 ft min.
must be installed according to the specifications of ANSI Z223.1.
The clearances detailed or illustrated in Fig. 14 and Fig. 17 should be
seen as the absolute minimum and may in some circumstances not be
adequate for specific installations.
10 ft min. (ANSI Z223.1)
4
5
Installing the boiler
6
6 720 647 031-02.1T
6
21