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BERNT LORENTZ GmbH & Co. KG Kroegerskoppel 7, 24558 Henstedt-Ulzburg, Germany, Tel. +49 (0) 4193 7548 - 0, Fax - 29, www.lorentz.de
Errors excepted and possible alterations without prior notice.
1 Introduction 2 Warnings
General Warnings
The manual contains basic instructions which bust
be observed during mounting, operation and main-
tenance. 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 tech-
nical personnel/operators and should be available at
the installation site at all times.
Personnel Qualification and Training – All
personnel for the operation, maintenance, inspection
and installation must be fully qualified to perform
that type of job. Responsibility, competence and
the supervision of such personnel must be strictly
regulated by the user. Should the available personnel
be lacking the necessary qualification, they must be
trained and instructed accordingly. If necessary, the
operator may require the manufacturer/supplier to
provide such training. Furthermore the operator/user
must make sure that the personnel fully understands
the contents of the manual.
Dangers of Ignoring the Safety Symbols –
Ignoring the safety directions and symbols may pose
a danger to humans as well as to the environment
and the machine itself. Non-observance may void any
warranties. Non-observance of safety directions and
symbols may for example entail the following: Failure
of important functions of the machine/plant; failure
of prescribed methods for maintenance and repair;
endangerment of persons through electrical, mechan-
ical and chemical effects; danger to the environment
because of leakage of hazardous material; danger of
damage to equipment and buildingsDo not attempt
to run the motor without controller.
Safety-oriented Operation – The safety direc-
tions contained in the manual, existing national
regulations 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 danger,
such parts must be protected by the operator/user
against contact with personnel. Protective covers for
moving parts (e.g. coupling) must not be removed
when the machine is running. Leakages (e.g. at
the shaft seal) of hazardous pumping media (e.g.
explosive, toxic, hot liquids) must be disposed of in
such a way that any danger for personnel and the
environment 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).
Safety Directions for Maintenance, Inspection
and Assembly Work – It is the user’s responsibility
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
accident prevention regulations must be observed.
Basically, 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 handling hazardous liquids must be decontami-
nated. Immediately upon completion of the work, all
safety and protective equipment must be restored
and activated. Before restarting the machine, all
points contained in chapter “Initial Start-up” must
be observed.
Unauthorized Changes and Manufacturing of
Spare Parts – Any conversion or changes of the
machine may only be undertaken after consulting the
manufacturer. Original spare parts and accessories
authorized by the manufacturer guarantee opera-
tional safety. Using non-authorized parts may void
any liability on the part of the manufacturer in case
of consequential damage.
Unauthorized Operation – The operational safety
of the machine delivered is only guaranteed if the
machine is used in accordance with the directions
contained 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;
Safety symbols W 9, Supplement 14
Transportation and Intermediate Storage –
Prolonged intermediate storage in an environment
of high humidity and fluctuating temperatures must
be avoided. Moisture condensation may damage
windings and metal parts. Non-compliance will void
any warranty.
Thank you for purchasing a LORENTZ pump system. We
set a new standard for quality and economy in solar
pumping. It incorporates the best solar pump technolo-
gies that were very expensive until the introduction of
LORENTZ PS pump systems in 2002.
Before you start check the model numbers of all the
components of your system and verify that they are
the items that you ordered.
Check against the pump specifications and per-
formance charts (end of this manual) to be sure the
system is appropriate for your application.
If you expect to pump water that is very cold or
very warm, check the temperature range specifica-
tions (Section 11).
If you think you may have the wrong pump system
for your application, call your supplier immediately.
Please fill in the system report (Section 13). This
contains the most essential information so can easily
communicate with our support if any problems occur.
This manual covers two types of systems, battery and
solar-direct. If you purchased the pump system to con-
nect to a battery system, you can skip the sections about
the solar array and solar-direct.
REFERENCE SECTION (Section 12)
Many installers are new to solar pumping, so we provide
helpful information — principles of operation, instruc-
tions for wellhead assembly, water storage, control and
monitoring of water supply, pipe sizing, freeze protec-
tion, and a glossary of technical terms.
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