Multidea Evo appliances are approved for installation types “B23P, C13, C43, C53, C63 (C13) and C83” and it is a
COMPULSORY requirement that they are equipped with an exhaust flue and combustion air extractor in compliance with
the above types of installation.
Multidea Evo appliances leave the factory with AR1 closed off by a metal cover and AR2 open.
In this configuration, installation is "TYPE B23" and the appliance receives the combustion air from the installation room,
which MUST BE FITTED with ventilation outlets installed in compliance with the specifications of the relevant technical
standards.
For "TYPE C" installations, open AR1 by removing the metal cover and applying it on AR2 to close off the aperture. Ensure
that the AR2 closure is completely sealed.
Flue exhaust duct installation
The horizontal sections of the flue duct must be set at a gradient of approx. 1.5 degrees (25 mm per metre), and therefore
the terminal must be positioned higher that the inlet on the boiler side.
Only the coaxial pipe with terminal must be horizontal, as the exhaust pipe is already positioned at the correct angle.
NOTE: the terminal must be positioned higher that the inlet on the boiler side.
FLUE EXHAUST AND EXTRACTION OF COMBUSTION AIR
Viewed from ABOVE
Viewed from BELOW
SF
AR1
160
235
105
L
150
AR2
Dimensions
Multidea Evo
60 100 115
SF
Flue exhaust
80 100 100 Ø mm
AR1
Air intake
80 Ø mm
AR2
Air intake
80 Ø mm
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