HBM WTX120 Bedienungsanleitung Seite 11

S The device is delivered from the factory with a fixed hardware and software
configuration. Changes can only be made within the range of possibilities
described in the corresponding documentation.
S The device is maintenance free.
S Please note the following points when cleaning the housing:
- Disconnect the device from all current and voltage supplies before
cleaning it.
- Clean the housing with a soft, slightly damp (not wet!) cloth. Never use
solvent as this could damage the label or the housing.
- When cleaning, ensure that no liquid gets into the device or connections.
S In accordance with national and local environmental protection and material
recovery and recycling regulations, old equipment that can no longer be
used must be disposed of separately and not with normal household waste.
Qualified personnel
Qualified persons are individuals entrusted with the installation, fitting,
commissioning and operation of the product and have the relevant
qualifications for their work.
This includes people who meet at least one of the three following criteria:
S Knowledge of the safety concepts relating to measurement and automation
technology is a requirement and as project personnel, they must be familiar
with these concepts.
S As measurement or automation plant operating personnel, they have been
instructed on how to handle the machinery. They are familiar with the
operation of the equipment and technologies described in this document.
S As commissioning engineers or service engineers, they have successfully
completed the training to qualify them to repair the automation plants.
Moreover, they are authorized to start up, ground and label circuits and
equipment in accordance with safety engineering standards.
WTX120
A04500_02_Y00_00 HBM: public
Safety instructions
9