Introduction; About This Document; Structure Of The Manual; Personnel Qualifications - Wilo SUB TWU 3 Notice De Montage Et De Mise En Service

English

1. introduction

1.1. About this document

The language of the original operating manual is
German. All other language versions are transla-
tions 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 dec-
laration.

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 instruc-
tions are highlighted. 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 per-
sons (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 operating 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
30
1.4.2. Terms
Dry running
The pump 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 auto-
matically shut down the pump if the water level
falls below the minimum immersion level. This is
done, for example, by installing a float switch or
level sensor.
Level controller
The level controller switches the pump on or off
at various filling levels. This is done by installing
either one or two float switches.

1.5. Copyright

This operation 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.

1.6. Rights of alteration

The manufacturer reserves the right to make
technical alterations to systems or components.
This operating and maintenance manual refers to
the product indicated on the title page.

1.7. 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 de-
fects found in the products it sells, provided that
the following requirements have been fulfilled:
1.7.1. 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 inspected by qualified personnel.
1.7.2. 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.
INTRODUCTION
WILO SE 12/2012 Ed.03 DIN A4