2
Safety Directions for Maintenance, Inspection
and Assembly Work – It is the user’s responsibili-
ty to make sure that all maintenance, inspection and
assembly work is performed exclusively by authorized
and qualified experts sufficiently informed through
careful perusal of the Operating Instructions.The acci-
dent prevention regulations must be observed. Basi-
cally, all work on the machine is to be performed while
the machine is not in operation. The sequence for
shutting the machine down described in the manual
must be strictly observed. Pumps or pump units han-
dling hazardous liquids must be decontaminated. Im-
mediately upon completion of the work, all safety and
protective equipment must be restored and activated.
Unauthorized Changes and Manufacturing of
Spare Parts – Any conversion or changes of the ma-
chine may only be undertaken after consulting the
manufacturer. Original spare parts and accessories au-
thorized by the manufacturer guarantee operation-
al safety. Using non-authorized parts may void any lia-
bility on the part of the manufacturer in case of conse-
quential damage.
Unauthorized Operation – The operational safety
of the machine delivered is only guaranteed if the ma-
chine is used in accordance with the directions con-
tained in manual. Limits stated in the data sheets may
not be exceeded under any circumstances.
Cited Standards and other Documentations –
DIN 4844 Part 1 Safety marking; Safety symbols W 8,
Supplement 13; DIN 4844 Part 1 Safety marking; Safe-
ty symbols W 9, Supplement 14
Transportation and Intermediate Storage – Pro-
longed intermediate storage in an environment of high
humidity and fluctuating temperatures must be avoid-
ed. Moisture condensation may damage windings and
metal parts. Non-compliance will void any warranty.
Do not attempt to use the controller for any purpose
other than LORENTZ PS pump systems. Do not attempt
to run the motor without controller.
Ensure all power sources are disconnected when
working on the system. Follow all appropriate electri-
cal codes. There are no user-serviceable parts inside
the motor or the controller.
READ AND
FOLLOW ALL
INSTRUCTIONS!
When installing and using this electrical equip-
ment, basic safety precautions should always be
followed, including the following:
WARNING – To reduce the risk of injury,
do not permit children to use this
product unless they are closely super-
vised at all times.
WARNING – To reduce the risk of electric
shock, replace damaged cord immedi-
ately.
WARNING – It must be assured that all
grounds are connected properly and that
the resistances do not exceed the local
codes.
SAVE THESE
INSTRUCTIONS!
The manual contains basic instructions which
must be observed during mounting, operation
and maintenance. Therefore the manual should
be carefully read before installation and start-
up by the person in charge of the installation
as well as by all other technical personnel/op-
erators and should be available at the installa-
tion site at all times.
Personnel Qualification and Training – All per-
sonnel for the operation, maintenance, inspection and
installation must be fully qualified to perform that type
of job. Responsibility, competence and the supervi-
sion of such personnel must be strictly regulated by
the user. Should the available personnel be lacking the
necessary qualification, they must be trained and in-
structed accordingly. If necessary, the operator may re-
quire the manufacturer/supplier to provide such train-
ing. Furthermore the operator/user must make sure
that the personnel fully understands the contents of
the manual.
Dangers of Ignoring the Safety Symbols – Ignor-
ing the safety directions and symbols may pose a dan-
ger to humans as well as to the environment and the
machine itself. Non-observance may void any warran-
ties. Non-observance of safety directions and symbols
may for example entail the following: Failure of im-
portant functions of the machine/plant; failure of pre-
scribed methods for maintenance and repair; endan-
germent of persons through electrical, mechanical and
chemical effects; danger to the environment because
of leakage of hazardous material; danger of damage
to equipment and buildings.
Safety-oriented Operation – The safety directions
contained in the manual, existing national regula-
tions for the prevention of accidents as well as internal
working-, operational- and safety-regulations of the
operator/user must be observed at all times.
General Safety Directions for the Operator/
User – If hot or cold machine parts pose a dan-
ger, such parts must be protected by the operator/
user against contact with personnel. Protective cov-
ers for moving parts (e.g. coupling) must not be re-
moved when the machine is running. Leakages (e.g. at
the shaft seal) of hazardous pumping media (e.g. ex-
plosive, toxic, hot liquids) must be disposed of in such
a way that any danger for personnel and the environ-
ment is removed. All government regulations must be
observed at all times. Any danger to persons etc. by
electrical energy must be excluded. (For details see e.g.
regulations of VDE and the local utilities).
Explanation of Warning Symbols
WARNING
disregard might lead to injury or damage the
installation
CAUTION
recommended to avoid disfunction or
premature ageing of the pump etc.
2 IMPORTANT SAFETY INSTRUCTIONS
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