
2 Safety
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M 1 (K) Alarm Contactor
2 Safety
!
DANGER
All the information in this section refers to hazardous situations.
2.1 Key to safety symbols/markings
Table 3:
Definition of safety symbols/markings
Symbol
Description
!
DANGER
DANGER
This signal word indicates a high-risk hazard which, if not avoided,
will result in death or serious injury.
!
WARNING
WARNING
This signal word indicates a medium-risk hazard which, if not
avoided, could result in death or serious injury.
CAUTION
CAUTION
This signal word indicates a hazard which, if not avoided, could
result in damage to the machine and its functions.
General hazard
In conjunction with one of the signal words this symbol indicates a
hazard which will or could result in death or serious injury.
Electrical hazard
In conjunction with one of the signal words this symbol indicates a
hazard involving electrical voltage and identifies information about
protection against electrical voltage.
Machine damage
In conjunction with the signal word CAUTION this symbol indicates
a hazard for the machine and its functions.
2.2 General
This manual contains general installation, operating, and maintenance instructions
that must be observed to ensure that the float switch is operated safely as well as to
prevent injury and damage to property.
The safety information in all sections of this manual must be complied with.
The manual must be read and fully understood by the specialist personnel/operators
responsible prior to installation and commissioning.
The contents of this manual must be available to the specialist personnel on site at all
times. Instructions attached directly to the float switch must always be complied with
and kept in a perfectly legible condition. This applies to, for example:
▪
Markings for connections
▪
Name plate
The operator is responsible for ensuring compliance with all local regulations not
taken into account in this manual.
2.3 Intended use
The values specified in the technical documentation for the mains voltage, mains
frequency, ambient temperature, and motor current must not be exceeded. The float
switch must only be operated in accordance with the instructions provided in the
operating manual and other applicable documents .
2.4 Personnel qualification and training
All personnel involved must be fully qualified to transport, install, operate, maintain
and inspect the machinery this manual refers to. The responsibilities, competence and
supervision of all personnel involved in installation, operation, maintenance and
inspection must be clearly defined by the operator.