Viessmann 15L Cube C1, Инструкция по установке и эксплуатации

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Maintenance instructions
Maintenance instructions
Maintenance regulations (for competent persons)
Warning! Follow the general warnings and the safety norms listed at the
beginning of the text and keep to all the instructions given under all
circumstances.
All maintenance operations and service visits should be performed by a
competent person (who has the skills required by the applicable norms in
force).
Disconnect the appliance from the electricity supply before carrying out any work on
it.
Cleaning the outer parts
■
Prevent the water from flowing into the water heater during the cleaning process.
■
Use a soft cloth soaked in warm water or mild detergent (detergents containing
acids, chemical solvents or abrasive agents are forbidden).
Safety valve
If the safety valve is equipped with valve rod, lift the valve rod under any of following
conditions:
■
Empty the appliance if necessary;
■
Check if the valve works normally regularly (typically every month);
■
Before removing the valve, it is important to check that the water heater has been
switched off long enough for the water inside to cool down. Flush the valve with
water to remove any deposit of salts. The valve can be removed and reattached by
use of a wrench.