Ferroli BLUEHELIX MAXIMA Instrucciones De Uso, Instalación Y Mantenimiento página 197

BLUEHELIX MAXIMA
Connection with coaxial pipes
fig. 15 - Examples of connection with coaxial pipes (
For coaxial connection, fit the unit with one of the following starting accessories. For the wall drilling dimensions refer
to the figures fig. 40, fig. 41 and fig. 42 . Any horizontal sections of the fume exhaust must be kept sloping slightly
towards the boiler, to prevent possible condensate from flowing back towards the outside and causing dripping.
Ø 100
Ø 60
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Table 2- Max. length coaxial ducts
Max. permissible length (horizontal)
Max. permissible length (vertical)
Reduction factor 90° bend
Reduction factor 45° bend
EN
fig. 16- Starting accessories for coaxial ducts
Coaxial 60/100
cod. 3541U630 - Rev. 00 - 07/2020
= Air / = Fumes)
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7 m
8 m
1 m
0.5 m
Coaxial 80/125
20 m
0.5 m
0.25 m
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