
3
UK
2 Installation
Before mounting and removing the unit: ensure that no medium can leak
at the process connection.
►Insert the unit in a ¼“ NPT process
connection.
Minimum installation depth: 15 mm
(0.6 inch).
►Tighten firmly. Tightening torque:
max. 25 Nm (18 ft-lbs).
3 Electrical connection
The unit must be connected by a suitably qualified electrician.
The national and international regulations for the installation of electrical
equipment must be observed.
Voltage supply to EN50178, SELV, PELV.
►Disconnect power.
►Connecting the unit as follows:
L+
3
4
2
1
L-
3
1
4
2
n.c.
n.c.
n.c. = not connected