6
Installation RSR20/RSR30
Release 04 10/2015
Device casing
Only technicians authorized by the manufacturer are permitted to open
the casing.
Never insert pointed objects (narrow screwdrivers, wires, etc.) into the
device or into the connection terminals for electric conductors. Do not
touch the connection terminals.
Keep the ventilation slits free to ensure good air circulation.
See “General technical data” on page 54.
Install the device in the vertical position.
At ambient temperatures > 60 °C:
The surfaces of the device casing may become hot. Avoid touching the
device while it is operating.
Qualification requirements for personnel
Allow qualified personnel exclusively to perform any work on the
device.
Qualified personnel are characterized by the following points:
The qualified personnel has received an appropriate training. Proper
training as well as a practical knowledge and experience constitute the
qualification. This qualification is the requirement to connect, to ground
and to label power circuits, devices, and systems in accordance with
current safety engineering standards.
The qualified personnel are aware of the hazards associated with their
tasks.
The qualified personnel know proper measures against such hazards
to minimize the risk for themselves and others.
The qualified personnel participate in regular training.
National and international safety regulations
Verify that the electrical installation meets local or nationally applicable
safety regulations.
Grounding
The device is grounded by the separate ground screw on the front panel.
Use a wire diameter for the ground conductor that is no smaller than
the diameter of the supply voltage connection, however of at least
0.75 mm² (AWG18).
Ground the device before connecting any other cables.
Disconnect the grounding only after disconnecting all other cables.
Shielding ground
The overall shield of a connected shielded twisted pair cable is connected
to the ground connector on the front panel as a conductor.
Beware of possible short circuits when connecting a cable section with
conductive shielding braiding.