English
1.
Introduction
1.1.
About this document
The language of the original operating manual is German. All other
language versions are translations of the original German manual.
The operating manual contains a copy of the EC Declaration of
Conformity.
Any unauthorized or unapproved changes made to the design
specified in it will nullify this declaration.
1.2.
Structure of the manual
The manual is divided into individual sections. Each section has a
heading which clearly describes its content.
The table of contents also serves as a brief reference, since all the
important sections have their own headers.
All the important operating and safety instructions are highlight-
ed. For detailed information on the structure of these texts, see
"Safety" in section 2.
1.3.
Personnel qualifications
All personnel who work on or with the product must be qualified
for such work; electrical work, for example may only be carried out
by a qualified electrician. All personnel must be of legal age.
Operating and maintenance personnel must also observe national
accident prevention regulations.
It must be ensured that the personnel have read and understood
the instructions in this operating and maintenance handbook; if
necessary, this manual must be ordered from the manufacturer in
the required language.
This product is not intended to be used by persons (including
children) with limited physical, sensory or mental capacities or
without the experience or knowledge to do so, unless they are
supervised by a person responsible for their safety and receive
instructions from this person on how to use the product.
Children must be supervised in order to ensure that they do not
play with the product.
1.4.
Abbreviations and technical terms
Various abbreviations and technical terms are used in this operat-
ing and maintenance manual.
1.4.1. Abbreviations
• approx. = approximately
• e.g. = for example
• etc. = and so on
• i.e. = that means
• incl. = including
• max. = maximum
• min. = minimum
• p.t.o. = please turn over
• re. = regarding
• s.a. = see also
1.4.2. Terms
Dry running
The product is running at full speed, however, there is no liquid to
be pumped. Dry running must be strictly avoided. If necessary, a
safety device must be installed.
Dry-running protection
The dry-running protection is designed to automatically shut
down the product if the water level falls below the minimum im-
mersion level. This is done, for example, by installing a float switch
or level sensor.
Level controller
The level controller switches the product on or off at various filling
levels. This is done by installing either one or two float switches.
1.5.
Illustrations
Dummies and original drawings of the products are used in the
illustrations. This is the only sensible solution given our wide range
of products and the differing sizes offered by the modular system.
More exact drawings and specifications can be found on the di-
mension sheet, the planning information and the installation plan.
1.6.
Copyright
This operating and maintenance manual has been copyrighted
by the manufacturer. The operation and maintenance handbook
is intended for use by assembly, operating, and maintenance
personnel. It contains technical specifications and diagrams which
may not be reproduced or distributed, either completely or in part,
or used for any other purpose without the express consent of the
manufacturer.
1.7.
Rights of alteration
The manufacturer reserves the right to make technical alterations
to systems or components. This operating and maintenance man-
ual refers to the product indicated on the title page.
1.8.
Warranty
This section contains the general information on the warranty.
Contractual agreements have the highest priority and are not
superseded by the information in this section.
The manufacturer is obliged to correct any defects found in the
products it sells, provided that the following requirements have
been fulfilled:
1.8.1. General requirements
• The defects are caused by the materials used or the way
the product was manufactured or designed.
• The defects were reported in writing to the manufacturer
within the agreed warranty period.
• The product was used only as prescribed.
• All safety and control devices were connected and in-
spected by qualified personnel.
1.8.2. Warranty period
If no other provisions have been made, the warranty period covers
the first 12 months after initial start-up or up to 18 months after
the delivery date. Other agreements must be made in writing in
the order confirmation. These remain valid at least until the agreed
warranty period of the product has expired.
1.8.3. Spare parts, add-ons and modifications
Only genuine spare parts from the manufacturer may be used for
repairs, replacements, add-ons and modifications. These are the
only parts that guarantee a long service life and maximum safety.
These parts have been specially designed for our products. Un-
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