9
UK
8 Additional settings (optional)
8.1 Change the switch point
For the factory setting the switch point is at LED 7� A change makes sense if:
• The flow fluctuates much or pulsates�
• If a faster response time of the unit is requested (low switch point = fast re-
sponse with rising flow, high switch point = fast response with falling flow)�
► Briefly press the pushbutton
or �
> The switch point LED flashes�
► Press the pushbutton
or as often as required� Each press of the push-
button shifts the LED by one position in the indicated direction�
Note: If no pushbutton is pressed for 2 s, the unit returns to the operating mode
with the newly set value�
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:
> 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�
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