Loop Powered Display
250 SERIES
Explanation of symbols used in the manual
1. BASIC REQUIREMENTS AND USER SAFETY
This symbol denotes especially important guidelines concerning the installation
and operation of the device. Not complying with the guidelines denoted by this
symbol may cause an accident, damage or equipment destruction.
This symbol denotes especially important characteristics of the unit. Read any
information regarding this symbol carefully.
IF THE DEVICE IS NOT USED ACCORDING TO THE MANUAL THE USER IS
RESPONSIBLE FOR POSSIBLE DAMAGES.
The manufacturer is not responsible for any damages caused by inappropriate installation, not
maintaining the proper environmental conditions and using the unit contrary to its assignment.
Installation should be conducted by qualified personnel . During installation all available safety
requirements should be considered. The fitter is responsible for executing the installation according
to this manual, local safety and EMC
regulations.
GND input of device should be connected to PE wire;
The unit must be properly set-up, according to the application. Incorrect configuration can cause
defective operation, which can lead to unit damage or an accident.
If in the case of a unit malfunction there is a risk of a serious threat to the safety of people or
property additional, independent systems and solutions to prevent such a threat must be used.
The unit uses dangerous voltage that can cause a lethal accident. The unit must be switched off
and disconnected from the power supply prior to starting installation of troubleshooting (in the case
of malfunction).
Neighboring and connected equipment must meet the appropriate standards and regulations
concerning safety and be equipped with adequate overvoltage and interference filters.
Do not attempt to disassemble, repair or modify the unit yourself. The unit has no user serviceable
parts. Defective units must be disconnected and submitted for repairs at an authorized service
center.
Do not use the unit in areas threatened with excessive shocks, vibrations, dust, humidity, corrosive
gasses and oils.
Do not use the unit in areas where there is risk of explosions.
Do not use the unit in areas with significant temperature variations, exposure to condensation or ice.
Do not use the unit in areas exposed to direct sunlight.
Make sure that the ambient temperature (e.g. inside the control box) does not exceed the
recommended values. In such cases forced cooling of the unit must be considered (e.g. by using a
ventilator).
The unit is designed for operation in an industrial environment and must not be used in a
household environment or similar.
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