Wilo Rexa UNI Series, Installation And Operating Instructions Manual

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en Safety
34 WILO SE 2019-02
▪ WARNING!
Failure to follow the instructions can lead to (serious) in-
juries!
▪ CAUTION!
Failure to follow the instructions can lead to property
damage and a possible total loss.
▪ 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 protection
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:
▪ Be instructed about locally applicable regulations gov-
erning accident prevention.
▪ Have read and understood the installation and operating
instructions.
Personnel must have the following qualifications.
▪ Electrical work: A qualified electrician must carry out the
electrical work.
▪ Installation/dismantling: The technician must be trained
in the use of the necessary tools and fixation materials
for the relevant construction site.
▪ 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
engineering.
Definition of “qualified electrician”
A qualified electrician is a person with appropriate tech-
nical education, knowledge and experience who can
identify and prevent electrical hazards.
2.3 Electrical work
▪ Electrical work must be carried out by a qualified electri-
cian.
▪ Before commencing work, disconnect the product from
the mains and safeguard it from being switched on again.
▪ Observe applicable local regulations when connecting to
the mains power supply.
▪ Adhere to the requirements of the local energy supply
company.
▪ Train personnel in connecting electrics.
▪ Instruct personnel in options for switching off the
device.
▪ Comply with the technical specifications contained in
these installation and operating instructions and on the
rating plate.
▪ Earth the device.
▪ Observe regulations for connection to the electrical
switching system.
▪ Comply with the specifications on electro-magnetic
compatibility when using electronic start-up controllers
(e.g. soft starter or frequency converter). If required, take
into account special measures (e.g. shielded cables, fil-
ters etc.).
▪ Replace defective connection cables. Contact customer
service.