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D
E
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2.2
9
.1
95
Special safety notes
To draw attention to special risks, the following symbols are used in the safety notes:
Other markings
The following markings are used in these instructions to highlight action instructions,
results, lists, references and other elements:
2.2 Correct purpose
of use
The WRU 220 reader is exclusively intended for use with a WTC 200 control unit.
Correct purpose of use also includes observing all specifications contained in these
instructions.
Any use beyond or other than the correct purpose of use shall be deemed improper
use.
2.3 Safety symbols
The following stickers are located on one or more components of the access control
system. They relate to the immediate environment of where they are located.
Warning sign
Type of risk
Warning of dangerous electrical voltage
Warning of a hazardous area
This symbol highlights useful tips and recommendations and
information for efficient and problem-free operation.
1.>, 2.>, 3.>
Step-by-step action instructions
Results of action steps
•
Lists without a defined order
[push button]
Controls (e.g. push buttons, switches), display
elements (e.g. signal lamps)
“Display”
Screen elements (e.g. buttons, assignment of function
keys)
WARNING
Danger in case of improper use!
Improper use of the reader, the controller and the add-on modules can
result in dangerous situations.
• Never install the reader, the controller or the add-on modules in
ambient conditions other than those permitted.
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