English INSTALLATION
40
WILO SE 11-2016 V06 DIN A4
ly. The lifting equipment is not permitted to be
fastened anywhere other than to the designated
attachment points.
The personnel must be qualified for the tasks and
must follow all applicable national safety regula-
tions during the work.
The lifting units are supplied by the manufacturer
or supplier in suitable packaging. This normally
precludes the possibility of damage occurring
during transportation and storage. The packaging
should be stored in a safe place for reuse if the
product is frequently used at different locations.
4.3. Storage
Newly delivered lifting units are prepared in such
a way that they can be stored for at least 1 year.
For temporary storage, the lifting units must be
thoroughly rinsed with clean water before storage
in order to prevent encrustations and deposits
building up in the collection reservoir, on the level
control device and the pump hydraulics.
DANGER due to toxic substances!
Flushing through the lifting unit contami-
nates the flushing water with faeces. Risk of
fatal injury due to contact with fluid that is
harmful to health! Always wear the necessary
physical protection equipment and channel
the flushing water into the sewer system at
suitable points!
The following should be taken into consideration
for storage:
•
Place the lifting unit securely on a firm bearing
surface, and secure it to prevent tipping over and
sliding. Lifting units are stored horizontally.
• Lifting units can be stored at temperatures down
to -15 °C if completely emptied. The store room
must be dry. We recommend a frost-protected
room for storage with temperature between 5 °C
and 25 °C.
• The lifting unit is not allowed to be stored in
rooms in which welding work is carried out, be-
cause the resulting gases or radiation can damage
the elastomer components.
• All connections must be sealed securely to pre-
vent contamination getting in.
• The power supply cables should be protected
against kinking, damage, and moisture. Further-
more, mounted plugs and switchgear must also
be protected against moisture ingress.
DANGER due to electrical voltage!
Defective electrical components (e.g. power
supply cables, switchgear, plugs) represent
a risk of fatal injury due to electric shock!
Defective components must be replaced by a
qualified electrician immediately.
BEWARE of moisture!
Ingress of moisture into the electrical compo-
nents (cables, plugs, switchgear) will result in
damage to these components and the lifting
unit. Never immerse the electrical compo-
nents in a liquid, and protect them against the
ingress of moisture.
• The lifting unit must be protected from direct
sunlight and frost. This can lead to significant
damage to the collection reservoir or the electri-
cal components!
• Following prolonged storage, maintenance work
in accordance with this Operating and mainte-
nance manual and pursuant to EN 12056-4 must
be carried out prior to commissioning.
If you comply with these rules, your lifting unit
can be stored over a lengthy period. However,
note that the elastomer components are subject
to natural embrittlement. If the product is to be
stored for longer than 6 months, we recommend
checking these parts and replacing them as
necessary. Consult the manufacturer for further
details.
4.4. Return delivery
Lifting units that are sent back to the factory
must be cleaned to remove impurities and, if they
have been used with fluids that are harmful to
health, they must also be decontaminated.
For shipping, the parts must be packed in tear-
proof plastic bags of sufficient size in such a
manner that they are tightly sealed and leak-
proof. Furthermore, the packaging must protect
the lifting unit from damage during transporta-
tion. If you have any questions, please contact
the manufacturer!
5. Installation
In order to prevent damage to the device or seri-
ous injury during installation, the following points
must be observed:
• Installation work – assembly and installation
of the lifting unit – may only be carried out by
qualified persons. The safety instructions must be
followed at all times.
• The lifting unit must be inspected for transport
damage before any installation work is carried
out.
5.1. General
For design and operation of technical sewage sys-
tems, observe the pertinent local regulations and
directives for sewage technology (such as those
of the German Association for Water, Wastewater
and Waste).
In particular, pressure surges which occur, e.g.
when closing the non-return valve, may be
several times higher than the pump pressure,
depending on the operating conditions. These
pressure surges can cause irreparable damage to
the system.
Attention must therefore be paid
to the pressure resistance and the longitudinal
force fit connection of the pipe.
Furthermore, the existing piping must be checked
to ensure it is correctly connected to the system.
The existing pipe system must be self-supporting
and is not allowed to be supported by the lifting
unit.
In particular, the following applicable regulations
must be complied with for installation of lifting
units:
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