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5 MAINTENANCE
5.1
General
Caution
Do not neglect to service the domestic hot water tank.
Contact a qualified professional or take out a maintenance contract for the obligatory
annual servicing of the electrical water heater.
Failure to service the appliance voids the warranty.
The control and maintenance interventions for the appliance must be performed by a
certified professional in accordance with prevailing statutory texts and codes of practice.
Maintenance operations are important for the following reasons:
To guarantee optimum performance.
●
To extend the life of the equipment.
●
●
To provide an installation which offers the customer optimum comfort over
time.
Power off the electrical water heater before any interventions on the appliance.
Remove the electrical water heater casing only to perform maintenance and repair work.
Put the casing back in place after maintenance and repair work.
5.2
Maintenance operation intervals
5.2.1
General maintenance
Operate the safety valve or unit
5.2.2
Maintenance of domestic hot water tank
Clean the casing using a damp soft cloth once a year
Descaling the domestic hot water tank
5.3
Operate the safety valve or unit
To take the proper precautions against possible pressure surges which would damage
the domestic hot water tank, ensure the safety valve or unit functions correctly. Failure
to follow this maintenance requirement may lead to damage of the domestic hot water
tank and void its warranty:
Operate the safety valve or unit at least once a year.
1.
Replace the safety valve or unit if necessary
2.
Operation
Operations
Periodicity
Once a year
Periodicity
after the first year of use
and then every two years
Installer
User
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Installer
User
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