Safety Instructions - Endress+Hauser RNS 221 Bedienungsanleitung

1 Safety instructions

Correct use
e
Safety symbols
12
q The unit is a power supply for sensors and transmitters. The unit is not
to be installed in explosion hazardous areas!
q The manufacturer cannot be held responsible for damage caused by
incorrect use of the unit. Changes, constructive or otherwise, must
not be made to the unit.
q The unit has been designed for use in industrial areas and must only
be used in an installed condition.
q The power supply is manufactured using state of the art technology
and complies to the EN 61010-1 regulations.
q Installation, electrical connection and commissioning of the unit must
only be done by trained skilled personnel and only in conjunction with
these operating instructions.
q Please make sure that the unit is connected in accordance with the
electrical connection diagrams contained in these instructions. If the
housing cover is removed, the handling protection is also removed
(danger of electrical shock)!
q Due to its construction the power supply cannot be repaired. Please
follow local regulations when disposing of the unit.
q An overvoltage protection system (current ˆ 10 A) is required for the
power to the unit.
2
Hint! - Have an indirect influence on the unit's operation or could
release an unforseen unit reaction.
4
Warning! - Can lead to personal injury, safety risks or total damage
to the unit.