Installation 5
0020229560_00 Betacom 3 Installation and maintenance instructions 13
5.6.2 Air/flue gas system
5.6.2.1 Horizontal air/flue gas system
The openings in an attachment for separate lines must lead
to a 50 cm-sided square.
For each additional 90° elbow (or two 45° elbows) that is
required, the length (L) must be reduced by 1 m.
Length of the C13 type flue pipe (→ Page 46)
5.6.2.2 Vertical air/flue gas system
The openings in an attachment for separate lines must lead
to a 50 cm-sided square.
For each additional 90° elbow (or two 45° elbows) that is
required, the length (L) must be reduced by 1 m.
Length of the C33 type flue pipe (→ Page 46)
5.6.2.3 Air/flue gas system for header lines
The connections with the line are established using the ac-
cessory specially developed by the product manufacturer.
A boiler that is connected to a type C43 system must only be
connected to natural draught chimneys.
The condensate from header line systems must not drain
into the boiler.
For each additional 90° elbow (or two 45° elbows) that is
required, the length (L) must be reduced by 1 m.
Length of the C43 type flue pipe (→ Page 46)
5.7 Electrical installation
Danger!
Risk of death from electric shock!
The mains connection terminals L and N re-
main live even if the product is switched off:
▶ Switch off the power supply.
▶ Secure the power supply against being
switched on again.
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