Boiler Installation
7
Logano G125 BE - Specifications subject to change without notice.
20
7.1.1.2 Chimney with 5" Liner
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.
z
Follow damper manufacturer’s instructions as to
placement.
z
Adjust draft for negative 0.02 – 0.04" W.C.
Fig. 13
5" Chimney liner installation
1
5" Chimney liner
2
Barometric damper
3
Horizontal air connection for combustion air
(optional, see 7.2)
1
3
2
Venting system: Chimney with 5" Liner
Comment
Draft
Combus-
tion air
Max. Vent length
Barometric
damper required
Negative Outside air
or room air
60 ft.
WARNING!
DANGER TO LIFE
from toxic flue gases.
z
Verify that all vent pipe connections
have been installed properly.
z
Have the entire venting system cleaned
and inspected annually by a qualified
service company.