Ariston microGENUS 23 MFFI Installation Instructions Manual page 10

In addition, it is also possible to use a split (twin pipe)
system by fitting a special adaptor to the flue connector
and using the aperture for the air vent intake located on
the top part of the combustion chamber.
To utilise the air intake it is necessary to:
1. Remove the bottom of the air intake by cutting it with a
suitable knife (see F . 2.8);
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2. Insert the elbow into the air intake until it reaches the
lower end. (There is no need to use gaskets or sealing
componds).
The components marked * in F
depending on the type of flue system used by the installer.
F . 2.9
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C S
OAXIAL YSTEMS
F . 2.10
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2.9 are present or absent
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Ø 80 mm
FU004A
F . 2.8
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FU001A
10
I !
MPORTANT
For all flue systems, a restrictor
must always be inserted into the
boiler's flue connector; the
restrictor must be ø 43 or ø 41 in
diameter depending on the length
of piping indicated in Table 2.1.
The diagrams illustrate some of the
various designs for coaxial or twin
pipe flue systems.
For fur ther infor mation
discharge/ventilation accessories,
see the F P A
L U E I P E C C E S S O R I E S
M .
ANUAL
FU05A
FU006A
on