10
8 Additional settings (optional)
8.1 Low flow adjustment
If the unit is used in media other than water, you should additionally adapt the unit
to the minimum flow�
Note: The following adjustment must only be carried out after the high flow adjust-
ment�
►
Let the minimum flow circulate in the installation or ensure flow standstill�
►
Press the pushbutton
and keep it pressed�
> LED 0 lights, after approx� 5 s it flashes�
►
Release the pushbutton� The unit adopts the new value and passes into the
operating mode�
8.2 Configure the switching output
The unit is delivered as normally open� In case of need you can change the output
to normally closed:
►
Press the pushbutton
for at least 15 s�
> LED 0 lights, after approx� 5 s it flashes�
> After 10 s the current setting is displayed: LEDs 5���9 light orange (= output
normally open)�
> After approx� 15 s LEDs 0���4 flash orange�
►
Release the pushbutton� The output is changed to normally closed operation�
For a new changeover repeat the operation�
8.3 Restore the factory setting (reset)
►
Press the pushbutton for at least 15 s�
> LED 9 lights, after approx� 5 s it flashes�
> After approx� 15 s LEDs 0���9 flash orange�
►
Release the pushbutton� All settings are reset to the factory setting:
-operating area: 5 ���100 cm/s for water
-switch point: LED 7
-output function: NO
-unlocked�
8.4 Lock / unlock the unit
The unit can be locked electronically to prevent unintentional settings�
