To prevent freezing of the condensation pipe, the boiler must be
installed in a frost-free area. Where possible the condensate pipe
must be installed internally in the property.
The boiler is equipped with a frost protection which, as long
as the mains voltage and gas supply are present, switches
on the central heating pump and, if needed, the burner if the
temperature of the heat exchanger drops too much.
Comment: If an (external) frost thermostat is used in the
installation and it is connected to the boiler, it is not active when
the boiler has been switched o on the control display (see §2.2).
The boiler can be cleaned with a damp cloth. Do not use
aggressive or scrubbing cleaning agents or solvents.
The boiler and the system must be inspected annually by an
authorised installer and cleaned if necessary. This also applies
to the flue and air supply duct pipe.
4 FROST PROTECTION
5 MAINTENANCE
9
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