6 Checking and maintenance
6.1
General instructions
CAUTION
4
Maintenance operations must be done by a qualified
engineer.
4
Only original spare parts must be used.
6.2
Checking the magnesium anode
Carry out a visual check of the anode.
¼
See chapter: "Replacing the magnesium anode and
descaling", page 20.
4
The anode must be replaced if its diameter is less than 15 mm.
4
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.
6.3
Safety valve or safety unit
The valve or safety assembly must be operated at least
once a
month
in order to ensure that it is operating correctly and to prevent
possible overpressure which would damage the DHW tank.
WARNING
Failure to comply with this maintenance rule may cause
deterioration of the DHW tank and the cancellation of the
guarantee.
6.4
Cleaning the casing material
Clean the outside of appliances using a damp cloth and a mild
detergent.
6.5
Replacing the magnesium anode and descaling
In regions with hard water, annual descaling of the appliance is
recommended in order to maintain its performance.
BL 150...500
6. Checking and maintenance
01/03/2011 - 300019417-001-C
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Summary of Contents for BL 150
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