Introduction1
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 technologies 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 perform-
ance 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 specifications
(Section 12).
If you think you may have the wrong pump system for
your application, call your supplier immediately.
Please fill in the system report (Section 1). 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 connect to a
battery system, you can skip the sections about the solar
array and solar-direct.
REFERENCE SECTION (Section 13)
Many installers are new to solar pumping, so we provide
helpful information — principles of operation, instructions
for wellhead assembly, water storage, control and monitor-
ing of water supply, pipe sizing, freeze protection, and a
glossary of technical terms.
Warnings2
General Warnings
The manual contains basic instructions which bust 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/
operators and should be available at the installation site
at all times.
Personnel Qualification and Training – All person-
nel 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 neces-
sary 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 – Ignor-
ing 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, mechanical 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 directions
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 per-
sonnel 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 as-
sembly work is performed exclusively by authorized and
qualified experts sufficiently informed through careful
perusal of the Operating Instructions.The accident pre-
vention 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 decontaminated. 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 operational
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 – Pro-
longed 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.
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