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Filling the condensate drain trap
When the appliance is switched on for the first time, combustion products come out of the con-
densate drain. After a few minutes of operation, check that combustion flue gases are no longer
coming out of the condensate drain; this means that the drain trap has filled to a correct con-
densate height that the flue gases cannot pass through.
Open chamber appliances type B
and B
must not be installed in rooms in which commer-
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cial, craft or industrial activities are carried out where products are used that are capable of
developing vapours or volatile substances (e.g. acid vapours, glues, paints, solvents, fuels, etc.),
as well as dust (e.g. dust from wood processing, coal dust, cement dust, etc.) that could be
harmful to the appliance's components and impair its operation.
In configuration B
and B
, unless local regulations are in force, the appliances must not be
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installed in bedrooms, bathrooms, toilets or studios; they must neither be installed in rooms
containing solid fuel heat generators nor in rooms communicating with said rooms.
For appliances for domestic use (up to 35 kW) in B
and B
configuration, the installation
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rooms must be permanently ventilated, in compliance with the local regulations in force (at
least 6 cm
for each kW of heat input installed, except in the case of the presence of electrome-
2
chanical extractor fans or other devices that can depressurise the installation room).
Install the appliances in B
and B
configuration in non-residential premises and which are permanently ventilated.
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Failure to comply with the above implies personal responsibility and invalidates the warranty.
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