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For vertical ducts, the outlet must be at least 60 cm
Note
●
from any opening.
The dimensions (B, C, D, and E) may be reduced to
●
25 mm, as long as the flue terminal is extended to
clear any overhangs.
6.2 Selecting a Flue System
WARNING
The gas removal ducts must not be in contact with
●
or near flammable materials and they must not pass
through any structures or walls of buildings made of
such materials.
If you replace the boiler, the old gas removal system
●
must be replaced by a new one.
The standard flue must be installed level. If flue
●
extensions are needed, they must have a 3 degree fall
back to the appliance.
The fume extraction connection depends on the type of system
chosen (coaxial removal system or dual duct removal system).
Carefully follow the instructions given below:
Coaxial System
For coaxial system, fit the components as shown in the figure:
30
Flue System
Adapter
Dual Duct System
For dual duct system, fit the components as shown in the figure:
1. Remove the air intake cap.
2. Connect the corresponding adapters to the boiler (the gas
removal and air intake adapters).
3. Connect the gas removal and intake ducts.
Exhaustion and intake ducts
Air intake cap
Adapter
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