Safety Notes
VTK-TR-BA-072e-1 - User Manual MDS 358X Series
• If you use the valve with a heater for the nozzle unit, the temperature in that area can reach
up to 180 °C. Do not touch it during operations and afterwards only once it had enough time
to cool down.
• When cleaning the components in contact with the transported substance, you should place
the device in a safe and stable position, without being subjected to vibrations.
• To clean the actuator, a cloth not fluffy and lightly moistened (e.g. by Isopropanol) is
recommended. During the cleaning procedure, no liquid should penetrate into the actuator
itself (e.g. through the plug).
• The valve is designed according to the Normally Open principle. Therefore, the valve is
normally open and the transported liquid can flow. Before switching OFF the
microdispensing system, do not forget to lower the supply pressure to atmospheric pressure.
2.6 Qualifications of Operators and Maintenance Personnel
The microdispensing system together with all attached accessories should only be used by
competent personnel with an adequate qualification. They must know and understand the
content of the manual. We do suppose that the department head is aware of possible dangers,
and correspondingly assigns the tasks to persons able to execute their work in a responsible
manner.
According to DIN VDE 0105 and IEC 364 qualified personnel refers to members of the team with a
sufficient knowledge of relevant norms, directives and rules for prevention of accidents. They
need the qualification and experience necessary, so that they are in a position to realize and to
prevent possible dangers already at an early stage. Knowledge in First Aid and a direct contact to
the local emergency units is required as well.
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