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Open the switch box at the operating panel.
Figure 15
Set the speed potentiometer (a) according to the water hard-
ness. You can refer to the correct setting in the table.
Example:
For a water hardness of 15 °dH, set 6 on the value scale of the
speed potentiometer. This results in a pause of 31 seconds, i.e.
the solenoid valve will open briefly every 31 seconds.
Water hardness (°dH)
Scale on the speed poten-
tiometer
Pause (in seconds)
Adjusting the operations stand-by time
The operations stand-by time is set on the larger plate on the left
side-wall of the electrical cabinet.
8 7 6 5 4 3 2 1
min.
Figure 16
The operations stand-by time is set in the factory to a minimum
time of 2 minutes and can be increased to a maximum time of 8
minutes.
a
5
10
15
20
8
7
6
5
50
40
31
22
S2
max.
25
4,5
16
39
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