Rancilio S1 TANK Weekly, Cleaning the filters and delivery heads, Tank cleaning, Regeneration

10.2. Weekly

Operations to be carried out with the machine operative and under pressure.

●Place the supplied blind filter in the filter-holder, put in a spoonful of detergent in powder for coffee machines and fit the filter-holder in the unit to be cleaned.

●Press the coffee dispensing button and draw water for approx. 30 seconds.

●Stop and start dispensing several times until clean water comes out of the discharge unit tube.

●Remove the filter-holder, take out the blind filter and insert a normal one.Replace the filter-holder on the unit and rinse by drawing water several times.

●Make a coffee to eliminate any unpleasant taste.

Cleaning the filters and delivery heads

Operation to be carried out when the machine is off and cold.

●Prepare a solution of 4 sachets of detergent powder Code 69000124 dissolved in a litre of boiling water in a stainless steel, plastic or glass recipient (NOT ALUMINIUM OR IRON).

●Remove the filters and immerse them with the filter holders in the prepared solution, leaving them for at least 10/20 minutes (all night is better).

●Remove them from the container and rinse them thoroughly in running water.

Tank cleaning (Fig.10 - 11)

●Remove the cup-stand grille 1 (Fig.10) and clean.

●Check and clean the drainage sump 3 (Fig.11), removing any sludge with the help of a spoon.

10.3.Periodical maintenance

Operation to be carried out with the machine under pressure.

●Discharge the water from the boiler with hot water delivery switch 5

●Wait until the machine has returned to heat equi- librium before reuse.

10.3.1. Renewal of water in the boiler

(Fig.12)

To be carried out only by qualified person-

nel.

●Turn off the machine and wait for the pressure in the boiler to diminish (gauge needl on “0”).

●Insert a rubber hose (1) into the hose-end fitting

(2)

●Loosen the hose-end fitting (2).

●Allow the water to flow out completely; then, close the fitting (2) and remove the rubber hose (1).

●Refill the boiler (paragraph 7.3.).

10.3.2.Regeneration

Softener DP2 - DP4

Regenerate the water softener within the time-limi- ts specified for the softener as follows:

DP2

nr.1 regeneration per month for 500 coffees/day; nr.2 regenerations per month (once a fortnight) for

1000 coffees/day.

DP4

nr.1 regeneration per month for 1000 coffees/day; nr.2 regenerations per month (once a fortnight) for

2000 coffees/day.

This table has been drawn up according to a water har- dness of 25 degress calculated on the French scale.

See the documentation included with the softener for the instructions for use.

Model S1 TANK (Fig.13)

Operation to be carried out when the machi- ne is off and cold and with the plug discon- nected.

To be effected after the consumption of approx.15 litres of water (average hardness calculated as 35 degress on the French scale) or at least once a month.

●Prepare a solution in a glass of water adding three teaspoons of fine salt (the salt must be properly dissolved).

●Drain the water-tank, see point 10.2.

●Slide the softener 1 (Fig.13) off the rubber tubing 2 and turn it over.

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