13. SOFTENERS
Mains water contains insoluble salts, which cause the build-up of lime scale deposits in the boiler and in other parts of the machine. The
softener makes it possible to eliminate or substantially reduce the presence of these mineral salts.
The resin softener has the property of retaining the calcium contained in the water. For this reason after a certain period the resins are
saturated and are to be regenerated with coarse kitchen salt (NaCL, sodium chloride) or special water softening salt. It is very important to
regenerate the softener within the established times.
The regeneration is to be done regularly every 15 days. However, in locations with very hard water, it will be necessary to regenerate more
frequently. The same is true of places in which there is a large consumption of hot water for tea or other uses.
Softener regeneration
Proceed as follows:
• move levers
(2) and (5) from left to right;
• Remove the lid by loosening the knob
(1).
• Release enough water through the pipe
(3) to make room for the amount of salt as required depending on the model (see table).
• Clean any salt or resin residue from the gasket located on the lid.
• Put the lid back in place by screwing the knob
(1) down securely and move the lever (2) back from right to left.
• Let the salt water drain from the small tube
(4) until the water is no longer salty (about 30-60 minutes). The salt allows the accumulated
mineral salts to be released.
• Bring the lever
(5) from right to left back to its initial position.
1
2
3
4
5
In order to keep the softener and hence the machine in
perfect operating condition, it is necessary to perform
regeneration periodically based on the use of the softener
and the hardness of the water that is used.
The table alongside shows the values of the quantity of
softened water based on the hardness of the water in the
various units of measure:
- F°: French degree
- D°: German degree
- mg CaCO
3
For further information on installation, start-up and regeneration of the softener, refer to the relative instruction manual.
WARNING
The build-up of lime scale in the hydraulic circuit and boiler inhibit thermal exchange, thus compromising proper operation
of the machine. Heavy incrustation in the boiler may cause long machine shutdowns and in any case invalidate any gua-
rantee, because this symptom indicates that regeneration has been neglected.
8 litres 1.0 kg
12 litres
1.5 kg
16 litres 2.0 kg
Model
softener
Amount
of salt
F° 30°
D° 16.5°
mg CaCO
3
300
8 litres
1000 lt
Amount of softened water based on hardness
40°
22°
400
900 lt
60°
33°
600
700 lt
80°
44°
800
500 lt 1.0 kg
salt
12 litres
1500 lt 1350 lt 1050 lt 750 lt 1.5 kg
16 litres
2100 lt 1800 lt 1400 lt 1000 lt 2.0 kg
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