Ariston BOOSTER Manuale d'uso - Pagina 13

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• Remove the earth screw V.

• Use a 13 mm spanner to remove flange

F check nuts.

8.3 REGULAR MAINTENANCE

8.3.1 H

OW TO REMOVE DEPOSITS FROM THE HEATING ELEMENTS

For the appliance to perform well, remove any hard water deposits that have formed on

the heating elements about once every two years.

• Remove the cover and the flange as shown in paragraphs 8.1 and 8.2.

If you do not wish to use the special acids available for this type of operation, you can

gently crumble the deposit but take care not to damage the outer protection of the heating

elements.

• Remove screws 8 so that the electrical

• Remove the flange.

system is disconnected from the water

heater.