75
caldaie
Separated flues can be directed towards any part of the premises
according to need.
Figure 7.15 shows the flue for combustion products (7).
The combustion air suction flue can be connected at the inlet
(6 – fig. 7.15) – after removing the plug attached by 3 screws.
7.7 EVENTUAL EVACUATION CONFIGURATION
C12 Concentric wall evacuation. The flues can leave the boiler
separately, but the outlets must be concentric or near
enough to be affected by similar wind conditions (within
50 cm.).
C22 Concentric evacuation in common flue (intake and
evacuation in same flue).
C32 Concentric evacuation at roof. Outlet as per C12.
C42 Intake and evacuation in common separate flues but
affected by similar wind conditions.
C52 Separate intake and evacuation at wall or roof and
anyhow in areas under different pressure. Intake and
evacuation must never be installed on opposite walls.
C62 Intake and evacuation made of pipes sold and certified
apart.
C82 Evacuation into single or common flue and wall intake.
Fig. 7.16
C12
C12
C42
C32
C52
C52
C52
C82
C22
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