1 General
1.1 About this document
The language of the original Installation and oper-
ating instructions is French. All other languages of
these instructions are translations of the original
Installation and operating instructions.
These Installation and operating instructions are
an integral part of the product. They must be kept
readily available close by the product. Strict
adherence to these instructions is a precondition
for the correct installation and application of the
product.
These Installation and operating instructions cor-
respond to the relevant version of the product and
the underlying safety standards valid at the time
of going to print.
EC-Declaration of conformity:
A copy of the EC-Declaration of conformity is a
key component of these Installation and operat-
ing instructions.
If a technical modification is made to the designs
named herein without our agreement, this decla-
ration loses its validity.
2 Safety
These Installation and operating instructions con-
tain important information which must be
adhered to during installation, operation and
maintenance. These instructions must therefore,
without fail, be read by the service technician and
the qualified personnel/operator before installa-
tion and commissioning.
It is not only the chapter on general safety
instructions that must be adhered to, but also the
special safety instructions from the following
chapters with an accompanying danger symbol.
2.1 Symbols and signal words in the operating
instructions
Symbols:
General danger symbol
Instructions relating to electrical voltage
NOTICE: ...
Signal words:
DANGER!
Acutely dangerous situation.
Non-observance will result in death or the most
serious of injuries.
WARNING!
The user may suffer (serious) injuries. "Warning"
signifies that (serious) personal injury is proba-
ble if this instruction is not observed.
Installation and operating instructions Wilo-COF-2 Helix
CAUTION!
There is a risk of damaging the product/unit.
"Caution" signifies that damage to the product
and its functioning is likely if this instruction is
not observed.
NOTICE:
Useful information on handling the product. It
draws attention to possible problems.
Information that appears directly on the product,
such as
• the arrows indicating the direction of rotation,
• identification for connections,
• the rating plate, and
• warning stickers
must be strictly complied with and kept in legible
condition.
2.2 Personnel qualifications
The installation, application and maintenance
personnel must have the appropriate qualifica-
tions to complete this work. The operator must
ensure the personnel's areas of responsibility,
terms of reference and their supervision. If the
personnel do not possess the necessary knowl-
edge, they must be trained and instructed accord-
ingly. If necessary, this training can be carried out
by the product's manufacturer on the operator's
behalf.
2.3 Danger in the event of non-observance of the
safety instructions
Non-observance of the safety instructions con-
stitutes a danger to persons and damage to the
environment and the product/unit. It also results
in the invalidation of any warranty claims. In detail,
non-observance can, for example, result in the
following risks:
• danger to persons due to electrical, mechanical
and bacteriological factors,
• damage to the environment due to leakage of
hazardous materials,
• damage to property,
• failure of important product/unit functions, and
• failure of required maintenance and repair proce-
dures.
2.4 Safety consciousness on the job
The existing directives for accident prevention
must be adhered to.
Danger from electrical current must be eliminated.
Local directives or general directives [e.g. IEC, VDE
etc.] and instructions from local energy supply
companies must be respected.
2.5 Safety instructions for the operator
Adhere to existing directives for accident preven-
tion. This device may be used by children aged 8
and over, by persons with reduced physical, sen-
sory or mental capacity or by people lacking in
specialist knowledge or experience, provided that
they are properly supervised or are given instruc-
tions regarding careful use of the device and that
English
15