en
Safety
6
WILO SE 2019-02
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NOTICE!
Useful information on handling the product
Symbols
These instructions use the following symbols:
Danger of electric voltage
Danger of bacterial infection
Danger of explosion
General warning symbols
Warning of crushing
Warning of cutting injuries
Warning of hot surfaces
Warning of high pressure
Warning of suspended loads
Personal protective equipment: Wear a safety helmet
Personal protective equipment: Wear foot protection
Personal protective equipment: Wear hand protec-
tion
Personal protective equipment: Wear mouth protec-
tion
Personal protective equipment: Wear safety goggles
Autonomous work prohibited! A second person must
be present.
Useful information
Markups
‡
Prerequisite
1. Work step/list
⇒ Notice/instructions
▶ Result
2.2
Personnel qualifications
Personnel must:
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Be instructed about locally applicable regulations governing
accident prevention.
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Have read and understood the installation and operating in-
structions.
Personnel must have the following qualifications.
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Electrical work: A qualified electrician must carry out the elec-
trical work.
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Installation/dismantling: The technician must be trained in the
use of the necessary tools and fixation materials for the relev-
ant construction site.
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Maintenance tasks: The technician must be familiar with the
use of operating fluids and their disposal. In addition, the
technician must have basic knowledge of mechanical engin-
eering.
Definition of “qualified electrician”
A qualified electrician is a person with appropriate technical edu-
cation, knowledge and experience who can identify
and
prevent
electrical hazards.
2.3
Electrical work
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Electrical work must be carried out by a qualified electrician.
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Before commencing work, disconnect the product from the
mains and safeguard it from being switched on again.
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Observe applicable local regulations when connecting to the
mains power supply.
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Adhere to the requirements of the local energy supply com-
pany.
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Train personnel in connecting electrics.
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Instruct personnel in options for switching off the device.
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Comply with the technical specifications contained in these
installation and operating instructions and on the rating plate.
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Earth the device.
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Observe regulations for connection to the electrical switching
system.
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Comply with the specifications on electro-magnetic compat-
ibility when using electronic start-up controllers (e.g. soft
starter or frequency converter). If required, take into account
special measures (e.g. shielded cables, filters etc.).
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Replace defective connection cables. Contact customer ser-
vice.
2.4
Monitoring devices
The following monitoring devices must be provided on-site:
Circuit breaker
The size and switching characteristics of the circuit breakers
must conform to the rated current of the connected product.
Observe local regulations.
Motor protection switch
Make provision for an on-site motor protection switch for
devices without a plug! The minimum requirement is a thermal
relay/motor protection switch with temperature compensation,
