I-37
A-070336_EN • Rev. A
P
roduct
I
nstallatIon
The chimney system must be engi-
neered by a qualified professional, ac
-
cording to local standards and regula-
tions. The overall installation resistance
of each boiler should not exceed 200
Pa (including maximum wind condition)
measured at the outlet of each boiler at
maximum output.
Please contact your AIC Europe repre-
sentative for more information
Engineering the Chimney System
î
The flue system length must be cal-
culated so as to ensure a safe per-
formance of the system.
î
Make sure to install the boiler with the short-
est length of combustion air and flue ducts.
î
When several boilers need to be connected
to a common duct, please contact your AIC
Europe representative for more information.
i
Make sure that the ventila-
tion openings remain unob-
structed at all times.
B (Open)
Description
B
23
Combustion air is taken directly from the boiler room, fl ue gas is discharged outside of the room
where the appliance is installed (roof terminal).
B
23P
Same as B23, but using a positive pressure.