Fondital NIAS BTN 28, Инструкция по установке, эксплуатации и обслуживанию

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3.2.8 Flue system with coaxial pipes
100/60 mm diameter (Type A accessories)
Type C12
Minimum length of horizontal coaxial ducts is
0.5 meters. Maximum allowable length of
horizontal coaxial ducts is 3 meters; for each
elbow after the first, the maximum allowable
length must be reduced by 1 meter.
Moreover, the duct must have a downward
dip of 1% towards the outlet point to prevent
rain water from getting into the duct.
Type C32
Minimum length of vertical coaxial ducts is 0.5
meters. Maximum allowable length of vertical
coaxial ducts is 4 meters including the
chimney; for each additional elbow after the
first, the maximum allowable length must be
reduced by 1 meter.
In installations using coaxial pipes of 0.5
m to 1.5 m install the 46 mm diaphragm as
shown in picture 9.
Diaphragm
Ø 46
Neoprene
seal
Diaphragm
Max length 1.5 mt
COAXIAL DUCTS
SAMPLE INSTALLATION
COAXIAL FLUE SYSTEM DISTANCES
pic. 9
pic. 10