Foster S4000 user manual INSTRUCTIONS for boiler descaling process, Boiler wash

Models: S4000

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INSTRUCTIONS for boiler descaling process:

INSTRUCTIONS for boiler descaling process:

Dosing: fill the pitcher with water up to the 0.6 L mark , add 5 teaspoons of citric acid monohydrate and dissolve.

Insert the pitcher in the appropriate seat and start the descaling process with key Boiler wash(8). The appliance will display the time remaining until the end of the descaling process.

When finished, a boiler wash and rinsing process will be carried out. See the section Boiler wash

Boiler wash

When finished, the system performs a boiler wash cycle and empties the dirty water into the pitcher. It will then be necessary to assist the appliance which will guide you step by step through the operations to be carried out.

In summary, the necessary operations will be to empty the contents of the pitcher, rinse and fill the pitcher with clean water. This operation will have to be repeated several times.

Water may drip from the filter container. Dry and clean with a cloth or small sponge.

Pay attention to the white gaskets; make sure that they are present on the inner part of the filter container, otherwise position them correctly as shown below.

Filter container

Cap

Filter

2 Gaskets

80

Page 34
Image 34
Foster S4000 user manual INSTRUCTIONS for boiler descaling process, Boiler wash