Operation Manual

5 Checking and maintenance
5.1 General instructions
CAUTION
4 Maintenance operations must be done by a qualified
engineer.
4 Only original spare parts must be used.
5.2 Safety valve or safety unit
The safety valve or unit on the domestic cold water inlet must be
operated at least once a month to ensure proper operating and to
prevent from any overpressure which may that may damage the
domestic hot water calorifier.
WARNING
Failure to abide by this maintenance rule may damage the
domestic hot water calorifier and void its warranty.
5.3 Cleaning the casing material
Clean the outside of appliances using a damp cloth and a mild
detergent.
5.4 Checking the magnesium anode
Have the installer check the condition of the anode. The magnesium
anode must be checked at least every 2 years. After the first check,
determine the frequency of future checks on the basis of anode wear.
5. Checking and maintenance
BSL 150...400 BESL 200...400
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08/09/2015 - 300028413-04