Adjusting the water hardness
You can set the water hardness on this device between H1 and H7. Please refer to the table
below for the appropriate setting for your water hardness reference.
Set value
H1
H2
H3
H4
H5
H6
H7
•
Start settings:
o
Turn on the device.
o
Simultaneously press buttons 15 and 16 for 5 seconds (as shown in the image
below).
Setting the water hardness:
•
o
The default setting is "H4".
o
To make a different setting, press button 15 to change the values. Confirm your
selection with button 16.
36
Values for different water values
Hardness range
Soft
medium
medium
hard
hard
hard
Reading Ppm
(mg/L(CaC03))
0 – 1.00
1.01 – 2.00
2.01 – 3.00
3.01 – 4.50
4.51 – 6.50
>6.51
mmolI/L
0 - 100
101-200
201-300
301-450
451-650
> 651