Installing The Flue; Concentric Ducts; Separate Ducts - Baxi DUO-TEC Instruction Manual For Users And Fitters

10. INSTALLING THE FLUE

ducts using the accessory splitting kit.
WARNINGS
C13, C33
C53
C63 The pressure drop of the ducts must not exceed 100 Pa
C43, C83
For optimal installation, the accessories supplied by the manufacturer should
be used.
positioned over the joints at a distance of approximately 1 metre from one another.
SOME OUTLET DUCT INSTALLATION EXAMPLES AND THEIR RELATIVE MAXIMUM LENGTHS ARE SHOWN IN ANNEX
"SECTION" D AT THE END OF THIS MANUAL.

10.1 CONCENTRIC DUCTS

• A 90° bend reduces the total duct length by 1 metre.
• A 45° bend reduces the total duct length by 0.5 metres.
•
"SECTION" D at the end of this manual).
Make sure there is a minimum downward slope of 5 cm per metre of duct towards the boiler.

10.2 SEPARATE DUCTS

single splitting kit (C), supplied as an accessory, can be used.
This accessory, in fact, can be used to move the inlet and outlet
in any direction. This type of installation makes it possible to
discharge exhaust fumes both outside the building and into
mm). For further information, read the assembly instructions
outlet ducts, adapting them to various requirements. It can
• A 90° bend reduces the total duct length by 0.5 metres.
• A 45° bend reduces the total duct length by 0.25 metres.
•
31 7733595 (01-05/19)