Smeg ST1124 - Manual (Page 11)

SWITCH SETTING (models without display)
According to the machine model, the selector which acts on the
adjustment may be located:
• inside the plastic locking ring located on the right-hand side, inside
the dishwasher;
• inside the water softener, just below the cap.
Both allow for adjustment to 5 settings:
WATER HARDNESS TABLE
WATER HARDNESS
German Degrees (°dH) French Degrees (°dF)
SETTING
0 - 4 0 - 7 Setting N. 1 NO SALT
5 - 9 8 - 15 Setting N. 1
10 - 17 16 - 30 Setting N. 2
18 - 26 31 - 45 Setting N. 3
27 - 35 46 - 60 Setting N. 4
36 - 47 61 - 80 Setting N. 5
Contact your local water board for information on the hardness of your
water supply.
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User instructions