Buderus Logano GA124 Installation And Maintenance Instructions Manual page 31

Boiler installation
Adjustment for horizontal flue system independent
of room air
Combustion air supply through combustion air pipe or
flexible combustion air hose from outside.
Boiler Adjustment dimension X of the combustion
size air baffle depending on the length (feet) of the
horizontal flue pipe/combustion air pipe
up up
to 12 to 20
feet feet
30 5.0 4.5
23 5.0 5.0
17 5.0 5.0
Tab. 7 Rigid combustion air pipe 3" as per Fig. 31.
Boiler Adjustment dimension X of the combustion air
size baffle depending on the length (feet) of the
horizontal flue pipe/combustion air hose
30 0 (up to 20 feet maximum)
23 4.0 (up to 20 feet maximum)
17 4.0 (up to 30 feet maximum)
Tab. 8 Flexible combustion air hose 3" as per Fig. 31
7.6.5 Adjustment for horizontal flue system using room air
Combustion air supply from the boiler room.
Boiler Adjustment dimension X of the combustion air
size baffle depending on the length (feet) of the
horizontal flue pipe
up up
to 12 to 12
feet feet
30 5.5 5.0
23 5.5 5.5
17 5.5 5.5
Tab. 9 Horizontal flue system using room air as per
Fig. 32
We reserve the right to make any changes due to technical modifications.
Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005
up up up to max. feet
to 30 to 40
cm feet
3.5 0 0 (up to 42 feet)
4.5 4.0 4.0 (up to
50 feet)
4.5 4.5 4.0 (up to
50 feet)
up up up to max. feet
to 30 to 40
feet feet
5.0 5.0 5.0 (up to
42 feet)
5.0 5.0 5.0 (up to
50 feet)
5.0 5.0 5.0 (up to
50 feet)
1
Fig. 31 Horizontal flue system independent of room air
1 Flue pipe 3"
2 Combustion air pipe 3" or combustion air hose 3"
2
Fig. 32 Horizontal flue system using room air
1 Flue pipe 3"
2 Combustion air inlet from the room
7
2
1
31