Safety
General warnings
5
Subject to technical changes.
Stepper motor-driven diaphragm dosing pump NXP-M and NXP-P
Operating instructions
2 Safety
2.1 General warnings
The following warnings are intended to help you to eliminate the dangers
that can arise while handling the dosing pump. Risk prevention measures
always apply regardless of any specific action.
Safety instructions warning against risks arising from specific activities
or situations can be found in the respective sub-chapters.
DANGER
Mortal danger from electric shock!
Wrongly connected or located cables or damaged ones can injure you.
ð
Connect the device only to a SCHUKO socket outlet protected by a
ground fault circuit interrupter (GFCI).
ð
Replace damaged cables without delay.
ð
Do not use extension cables.
ð
Do not bury cables.
ð
Secure cables to avoid being damaged by other equipment.
DANGER
Danger to life through explosions!
The use of dosing pumps without ATEX certification in a potentially
explosive atmospheres can result in potentially-fatal explosions.
ð
Never use the dosing pump in potentially explosive areas.
WARNING
Danger from unsuitable materials
The materials of the dosing pump and hydraulic parts of the system
must be suitable for the dosing medium that is used. Should this not
be the case, the dosing media may leak.
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Make sure that the materials you are using are suitable for the
dosing medium.
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Make sure that the lubricants, adhesives, sealants, etc. that you
use are suitable for the dosing medium.
WARNING
Caustic burns or other burns through dosing media!
While working on the dosing head, valves and connections, you may
come into contact with dosing media.
ð
Use sufficient personal protective equipment.
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Rinse the dosing pump with a liquid (e.g. water) which does not
pose any risk. Ensure that the liquid is compatible with the dosing
medium.
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Release pressure in hydraulic parts.
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Never look into open ends of plugged pipelines and valves.
WARNING
Danger of automatic start up!
After connecting the mains supply, residual dosing media in the
dosing head can spray out.
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Before connecting the mains supply, connect the dosing lines.
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Check that all the screw connections have been tightened
correctly and are leak-proof.
CAUTION
Danger when changing the dosing medium.
Changing the dosing media can provoke unexpected reactions,
damage to property and injury.
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Clean the dosing pump and the system parts in contact with the
media thoroughly before changing the dosing medium.
CAUTION
Increased risk of accidents due to insufficient qualifica-
tion of personnel!
Dosing pumps and their accessories may only be installed, operated
and maintained by personnel with sufficient qualifications. Insufficient
qualification will increase the risk of accidents.
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Ensure that all action is taken only by personnel with sufficient and
corresponding qualifications.
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Prevent access to the system for unauthorised persons.