3
Electrical installation
3.1
Safety messages
WARNING
Failure to follow safe installation and servicing guidelines could result in
death or serious injury.
•
Ensure the level switch is installed by qualified personnel and in
accordance with applicable code of practice.
•
Use the level switch only as specified in this manual. Failure to do so may
impair the protection provided by the level switch.
Explosions could result in death or serious injury.
•
The level switch must only be installed and operated in non-hazardous
(ordinary) locations.
Electrical shock could cause death or serious injury.
•
Avoid contact with the leads and terminals. High voltage that may be
present on leads can cause electrical shock.
•
Ensure the power to the level switch is off, and the lines to any other
external power source are disconnected or not powered while wiring the
level switch.
•
Ensure the wiring is suitable for the electrical current and the insulation is
suitable for the voltage, temperature, and environment.
3.2
Wiring considerations
3.2.1
Handling
In cases of improper handling or handling malpractice, the electrical safety
of the device cannot be guaranteed.
3.2.2
Installation regulations
Local regulations or VDE 0100 (Regulations of German Electrotechnical
Engineers) must be observed.
When using 24 V supply voltage, an approved power supply with reinforced
insulation to mains is required.
3.2.3
Fuse
Use a fuse as stated in the connection diagrams.
For details, see
.
Quick Start Guide
October 2019
20
Quick Start Guide
