3
UK
To avoid malfunction:
►
a minimum distance between the
airflow monitor and bends, valves
or such like must be observed.
min.
5 x D
min.
3 x D
D
3 Electrical connection
The unit must be connected by a qualified electrician.
The national and international regulations for the installation of electrical
equipment must be adhered to.
Voltage supply for units up to 60 V to EN 50178, SELV, PELV.
►
Disconnect power.
►
Connect the unit as indicated on the type label.
4 Adjustment
setting potentiometer
sensitivity
LEDs
1
►
Switch on the power supply.
►
Let the normal flow circulate in the installation (preset value) and keep it constant.
2
When the red LED is lit:
►
Turn the potentiometer
slowly clockwise until the
red LED goes out and the
green LED comes on.
When the green LED is lit:
►
Turn the potentiometer slowly anti-clockwise until
the green LED goes out and the red LED comes
on.
►
Turn the potentiometer slowly clockwise again
until the red LED goes out and the green LED
comes on.
3
If fluctuations which may result during operation shall be compensated for:
►
When the green LED has come on, continue to turn the potentiometer clockwise.
