7�2 High Flow Adjustment (Optional); Additional Settings (Optional); 8�1 Low Flow Adjustment; 8�2 Configure The Switching Output - IFM SI0550 Operating Instructions Manual

7.2 High flow adjustment (optional)
The unit determines the existing flow as normal flow and adapts the display repre-
sentation (all LEDs except the switch point LED light green)�
► Let the normal flow circulate in the installation�
► Press the pushbutton
> LED 9 lights, after approx� 5 s it flashes�
► Release the pushbutton�
The unit is now adapted to your flow conditions� It passes into the operating mode,
the display should now show example 1�
Note: The adjustment affects the switch point: It is increased proportionally (maxi-
mum up to LED 7)�
Remote adjustment → 8.5.

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
> LED 0 lights, after approx� 5 s it flashes�
► Release the pushbutton� The unit adopts the new value and passes into the
operating mode�
Remote adjustment → 8.5.
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
> 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�
and keep it pressed�
and keep it pressed�
for at least 15 s�
UK
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