Wilo Helix EXCEL 2 Notice De Montage Et De Mise En Service page 32

English
1. General
1.1 About this document
The language of the original operating instruc-
tions is English. All other languages of these
instructions are transations of the original oper-
ating instructions.
These Installation and Operating Instructions
form an integral part of the unit. They must be
kept close to the unit and in readiness whenever
required. Precise observance of these instructions
is a pre-condition for use of the unit for the
intended purpose and for its correct operation.
These Installation and Operating Instructions
conform to the relevant version of the equipment
and the underlying safety standards valid at the
time of going to press.
2. Safety
These instructions contain important information
which must be followed when installing and oper-
ating the pump. It is therefore imperative that
they be read by both the installer and the opera-
tor before the circulator is installed or started up.
Both the general safety instructions in the 'Safety
precautions' section and those in subsequent
sections indicated by danger symbols should be
carefully observed.
2.1 Symbols and signal words used in these oper-
ating instructions
Symbols
General Safety symbol.
Hazards from electrical causes.
Signals:
DANGER! Imminently hazardous situation.
Will result in death or serious injury if not
avoided.
WARNING! The user can be exposed to (severe)
injury. 'Warning' refers that harm to the user
when the user is neglecting the procedure.
CAUTION! The product is at risk of damage.
'Caution' refers to the product when the user is
neglecting the procedures.
NOTE: A notice with useful information for the
user in relation to the product. It attends the user
to possible problems.
2.2 Qualified Personnel
The personnel installing the pump must have the
appropriate qualifications for this work.
2.3 Risks incurred by failure to comply with the
safety precautions
Failure to comply with the safety precautions
could result in personal injury or damage to the
pump or installation. Failure to comply with the
safety precautions could invalidate warranty
32
and/or damage claims.
In particular, failure to comply with these safety
precautions could increase the possibility of the
following risks:
• the failure of important parts of the pump or
installation,
• personal injury due to electrical and mechanical
causes,
• material damage.
2.4 Safety instructions for the operator
Existing regulations for the prevention of acci-
dents must be observed.
National Electrical Codes, local codes and regula-
tions must be followed.
2.5 Safety instructions for inspection and installa-
tion
The operator must ensure that all inspection and
installation work is carried out by authorized and
qualified specialists who have carefully reviewed
these instructions.
Work on the pump/unit must be carried out only
with the pump switched off and at complete
standstill.
2.6 Unauthorized alterations and manufacture of
spare parts
Alterations to the pump or installation may only
be carried out with the manufacturer's consent.
The use of original spare parts and accessories
authorized by the manufacturer will ensure safe-
ty. The use of any other parts may invalidate
claims invoking the liability of the manufacturer
for any consequences.
2.7 Improper use
The operational safety of the pump or installation
supplied can only be guaranteed if it is used in
accordance with §4 of the operating instructions.
The limits given in the catalogue or data sheet
must under no circumstances be exceeded.
3. Transport and interim storage
When receiving the material, check that there has
been no damage during the transport. If shipping
damage has occurred, take all necessary steps
with the carrier within the allowed time.
CAUTION! Outside influences may cause dam-
ages !
If the delivered material is to be installed later on,
store it in a dry place and protect it from impacts
and any outside influences (humidity, frost etc.).
Handle the pump carefully so as not to damage
the unit prior to installation!
WILO SE 03/2013