Biodom C15 | instructions for use, maintenance and installation | February 2019
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• make sure that the connection with the flue pipe is properly sealed;
• avoid contact with flammable material (such as wood ashes), and, in any case, insulate them
with fire-resistant material.
When using connections between the pellet boiler and flue pipe, it is mandatory to use joints with
cleaning doors (figure 3). Use of joints with cleaning doors enables regular cleaning without the need
to disassemble pipes. Exhaust fumes in flue connection are under slight pressure. Therefore, it is
compulsory to check that the cover for cleaning ash is completely hermetically closed and that it
remains in this state after each cleaning. Ensure proper reassembly and check condition of the seal.
Figure 3: Cleaning unit
Connection between pipes must be always made with male fitting turned upwards (figure 4).
It is advisable to avoid using horizontal connections of pipes to flue. If this is not possible, the pipes
must not be installed in a downwards angle, but at an upwards angle of at least 5° (figure 5). Horizontal
installation of pipes must not exceed 2 m in length.
It is not advisable to connect the pipe from the pellet boiler directly to flue with horizontal pipe, longer
than 1 m.
Figure 4 Figure 5
or more
gases
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