13
ASSEMBLY AND INSTALLATION INSTRUCTIONS
Chapter 4
CONNECTION OF THE SMOKE CHANNEL OR FITTINGS TO THE FLUE
GAS EXHAUST SYSTEM
To mount the smoke channels, non-fl ammable elements will have to be used, ideal for resisting fuel
products and their eventual condensing.
The use of fl exible metal and asbestos cement pipes to connect the appliances to the fl ue is forbidden,
even for pre-existing smoke channels.
There must be continuity between the smoke channel and the fl ue so that the fl ue does not lean on the
generator. The smoke channels must not cross rooms where the installation of the combustion appliances
is not allowed.
The mounting of the smoke channels must be carried out in order to guarantee smoke seal for the
appliance functioning conditions, limit the forming of condensate and avoid it being transported towards
the appliance.
The mounting of horizontal routes must be avoided.
For appliances where ceiling or wall non coaxial discharges respect to the appliance smoke outlet have to
be reached, the direction changes will have to realised using open elbows not higher than 45° (see fi gure
below).
Insulating product
Flue
Inspection
In any case, the smoke channels must seal the fuel and condensing products and be insulated if they pass
externally to the installation room.
The use of counterslope elements is forbidden.
The smoke channel must allow the recovery of soot or be brushed.
The smoke channel must be at constant section. Any section changes are only allowed at the fl ue
coupling.
It is forbidden to have other air supply channels and pipes for plant engineering, especially if over-sized,
transit inside the smoke channels. The mounting of manual draught adjustment devices on forced draught
appliances is forbidden.
fi gure 4.1
fi gure 4.2
Summary of Contents for Cleopatra
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