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UK
7.1 Change the switch point (optional)
For the factory setting the switch point is at LED 7� A change makes sense in the
following cases:
• the display shows example 2�
• the flow fluctuates much or pulsates�
• A faster response time of the unit is requested (low switch point = fast response
with rising flow, high switch point = fast response with falling flow)�
Proceed as follows:
► Briefly press the pushbutton or �
> The switch point LED flashes�
► Press or as often as required� Each press of the pushbutton 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�
7.2 High-flow adjustment (optional)
The unit determines the existing flow as normal flow and adapts the display
representation (all LEDs except the switch point LED light green)�
Proceed as follows:
► Let the normal flow circulate in the installation�
► Press the pushbutton and keep it pressed�
> LED 9 lights, after approx� 5 s it flashes�
► Release the button�
The unit is now adapted to your flow conditions� It returns to the operating mode,
the display should now show example 1�
The adjustment has failed if all LEDs are flashing red instead� Possible reasons / remedy
→ chapter 9.
Note: The adjustment affects the switch point: It is increased proportionally
(maximum up to LED 7)�
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�
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