Airflow monitor
SL020x SL510x
9
7 Settings
setting potentiometer
sensitivity
LEDs
Fig. 5: Operating and display elements
Flow adjustment for setting the switching point:
u
Switch on the power supply.
u
Let the normal flow circulate in the installation and keep it constant.
w
Both LEDs (red and green) are on. After approx. 60 s one LED goes out.
u
Continue with step 1 or 2.
1. If the red LED is on:
u
Turn the potentiometer slowly clockwise until the red LED goes out and the green LED comes on.
2. If the green LED is on:
u
Turn the potentiometer slowly anti-clockwise until the green LED goes out and the red LED comes
on.
u
Turn the potentiometer slowly clockwise again until the red LED goes out and the green LED
comes on.
If fluctuations which may result during operation shall be compensated for:
u
When the green LED has come on, continue to turn the potentiometer clockwise.
