3
UK
► Screw the sensor into the adapter and tighten.
Max. tightening torque: 20…25 Nm.
► After installation check the tank / pipe for ingress resistance.
4 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 according to EN 50178,
SELV, PELV.
► Disconnect power and connect unit as follows:
Core colours
4
3
2
1
L
L+
4:
3
2:
4
2
1 BN
WH
BK
BU
BK
Black
BN
Brown
BU
Blue
WH
White
5 Operation
When the supply voltage has been applied, the unit is in the operating mode. It
carries out its evaluation functions and switches the outputs.
Operation indication by LED and output signals:
LED
OUT1
OUT2
Unit ready for operation, no medium detected
Green
OFF
ON
Unit ready for operation, medium detected
Yellow
ON
OFF
no operating voltage
OFF
OFF
OFF
Error / failure
-
OFF
OFF
6 Maintenance, repair, disposal
► From time to time check the probe cap for deposits and damage. Clean the unit
if badly soiled. In case of damage replace the unit.
► After removal and before reinstallation of the unit carefully clean the probe neck
and the installation slot - especially the sealing cone - with appropriate methods
to ensure that it is resistant to ingress and without dead space.
► It is not possible to repair the unit.
