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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.
10.2. 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.
10.3.1. 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.