Buderus Logano G125 BE US/CA Installation And Service Instructions Manual page 20

7 Boiler Installation
7.1.1.2 Chimney with 5" Liner
Venting system: Chimney with 5" Liner
Comment Draft
Barometric Negative Outside air
damper required
Install liner according to manufacturer's instructions.
Follow all applicable local and national codes and regu-
lations.
The maximum vent length of 5" liner in a masonry chim-
ney is 60 ft.
The 5" liner in a chimney is operated under slight nega-
tive pressure, which requires a barometric damper.
Follow damper manufacturer's instructions as to
placement.
Adjust draft for negative 0.02 – 0.04" W.C.
DANGER TO LIFE
from toxic flue gases.
WARNING!
Verify that all vent pipe connections
have been installed properly.
Have the entire venting system cleaned
and inspected annually by a qualified
service company.
20
Combus- Max. Vent length
tion air
60 ft.
or room air
3
Fig. 13 5" Chimney liner installation
1 5" Chimney liner
2 Barometric damper
3 Horizontal air connection for combustion air
(optional, see 7.2)
Logano G125 BE - Specifications subject to change without notice.
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