Grundfos DMH 25X Installatie- En Bedieningsinstructies pagina 5
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Zie ook voor DMH 25X:
- Installatie- en bedieningsinstructies (52 pagina's) ,
- Installatie- en bedieningsinstructies (10 pagina's) ,
- Installatie- en bedieningsinstructies (14 pagina's)
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2.1 Identification of safety instructions in this manual
If the safety instructions or other advice in this manual are not
observed, it may result in personal injury or malfunction and
damage to the pump. The safety instructions and other advice are
identified by the following symbols:
Warning
If these safety instructions are not observed, it may
result in personal injury.
If these safety instructions are not observed, it may
Caution
result in malfunction or damage to the equipment.
Notes or instructions that make the job easier and
Note
ensure safe operation.
Information provided directly on the pump, e.g. labelling of fluid
connections, must be maintained in a readable condition at all
times.
2.2 Qualification and training of personnel
The personnel responsible for the operation, maintenance,
inspection and installation must be appropriately qualified for
these tasks. Areas of responsibility, levels of authority and the
supervision of the personnel must be precisely defined by the
operator.
If the personnel do not have the necessary knowledge, the
necessary training and instruction must be given. If necessary,
training can be performed by the manufacturer/supplier at the
request of the operator of the pump. It is the responsibility of the
operator to make sure that the contents of this manual are
understood by the personnel.
2.3 Risks when safety instructions are not observed
Non-observance of the safety instructions may have dangerous
consequences for the personnel, the environment and the pump.
If the safety instructions are not observed, all rights to claims for
damages may be lost.
Non-observance of the safety instructions may lead to the
following hazards:
•
failure of important functions of the pump/system
•
failure of specified methods for maintenance
•
harm to humans from exposure to electrical, mechanical and
chemical influences
•
damage to the environment from leakage of harmful
substances.
2.4 Safety-conscious working
The safety instructions in this manual, applicable national health
and safety regulations and any operator internal working,
operating and safety regulations must be observed.
2.5 Safety instructions for the operator/user
Hazardous hot or cold parts on the pump must be protected to
prevent accidental contact.
Leakages of dangerous substances (e.g. hot, toxic) must be
disposed of in a way that is not harmful to the personnel or the
environment. Legal regulations must be observed.
Damage caused by electrical energy must be prevented (for more
details, see for example the regulations of the VDE and the local
electricity supply company).
2.6 Safety instructions for maintenance, inspection
and installation work
The operator must ensure that all maintenance, inspection and
installation work is carried out by authorised and qualified
personnel, who have been adequately trained by reading this
manual.
All work on the pump should only be carried out when the pump is
stopped. The procedure described in this manual for stopping the
pump must be observed.
Pumps or pump units which are used for media that are harmful
to health must be decontaminated.
All safety and protective equipment must be immediately
restarted or put into operation once work is complete.
Observe the points described in the initial start-up section prior to
subsequent start-up.
Warning
The pump must be installed in a position where it is
easily accessible during operation and maintenance
work.
Observe the flow direction of valves (indicated by an
arrow on the valve)!
Only tighten plastic valves by hand.
Only use the prescribed line types!
Electrical connections must only be carried out by
qualified personnel!
Warning
Make sure that the pump is suitable for the actual
dosing medium!
Observe the chemical manufacturer's safety
instructions when handling chemicals!
Do not operate the pump next to closed valves.
Warning
The pump housing, control unit and sensors must
only be opened by personnel authorised by
Grundfos!
Repairs must only be carried out by authorised and
qualified personnel!
Wear protective clothing (gloves and goggles) when
working on the dosing head, connections or lines!
Before removing the dosing head, valves and lines,
empty any remaining medium in the dosing head into
a drip tray by carefully unscrewing the suction valve.
The resistance of the parts that come into contact
with the media depends on the media, media
temperature and operating pressure. Ensure that
Caution
parts in contact with the media are chemically
resistant to the dosing medium under operating
conditions!
5
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