Buderus Logano GA244 Installation, Operation And Maintenance Manual page 25

Installation of the Exhaust and Air Intake System
10.3.3 Sealed Combustion and Vertical Venting
Combustion air from outside the Building.
Sealed Combustion Configuration
Boiler
model
37 40 feet (max. 10 feet co-axial)
44 40 feet (max. 10 feet co-axial)
53 50 feet (max. 10 feet co-axial)
62 50 feet (max. 10 feet co-axial)
Table 9 Maximum equivalent length of exhaust vent pipe or
air intake pipe for vertical venting ( Fig. 20)
NOTICE !
Do not exceed 10 ft concentric piping with
vertical termination.
10.3.4 Room Air Configuration and Vertical Venting
Room Air Configuration
Boiler
model
37
44
53
62
Tab. 10 Maximum equivalent length of exhaust vent pipe
for vertical venting ( Fig. 21)
NOTICE !
Vertical concentric piping is only required
for the length of the roof penetration.
Combustion air can be drawn then directly
from the boiler room.
We reserve the right to make any changes due to technical modifications!
Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004
Exhaust vent pipe/
Air intake pipe
Exhaust vent pipe
40 feet
40 feet
50 feet
50 feet
1
Fig. 20 Vertical sealed combustion vent system
Item. 1: Exhaust vent pipe 3" (models 37, 44 and 53)
Item. 2: Air intake pipe 4"
1
Fig. 21 Vertical vent system for room air configuration
Item. 1: Exhaust vent pipe 3" (models 37, 44 and 53)
Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de
10
2
25