Safety en
Installation and operating instructions Wilo Motor T 17.3, 20.2:, EMU FA, Rexa SUPRA, Rexa SOLID 53
Personal protective equipment: wear safety footwear
Personal protective equipment: wear protective gloves
Personal protective equipment: wear face mask
Personal protective equipment: wear safety goggles
Working alone is prohibited! A second person must be present.
Useful information
2.2 Personnel qualifications
Personnel must:
ƒ Be instructed about locally applicable regulations governing accident prevention.
ƒ Have read and understood the installation and operating instructions.
Personnel must have the following qualifications.
ƒ Electrical work: A qualified electrician must carry out the electrical work.
ƒ Installation/dismantling: The technician must be trained in the use of the necessary
tools and fixation materials for the relevant construction site.
ƒ 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 mech-
anical engineering.
Definition of “qualified electrician”
A qualified electrician is a person with appropriate technical education, knowledge and
experience who can identify and prevent electrical hazards.
2.3 Electrical work
ƒ Electrical work must be carried out by a qualified electrician.
ƒ Before commencing work, disconnect the product from the mains and safeguard it
from being switched on again.
ƒ Observe applicable local regulations when connecting to the mains power supply.
ƒ Adhere to the requirements of the local energy supply company.
ƒ Train personnel in connecting electrics.
ƒ Instruct personnel in options for switching off the device.
ƒ Comply with the technical specifications contained in these installation and operat-
ing instructions and on the rating plate.
ƒ Earth the device.
ƒ Observe regulations for connection to the electrical switching system.
ƒ Comply with the specifications on electro-magnetic compatibility when using elec-
tronic start-up controllers (e.g. soft starter or frequency converter). If required, take
into account special measures (e.g. shielded cables, filters etc.).
ƒ Replace defective connection cables. Contact customer service.
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, differential triggering and anti-reactivation device in accordance with
the local regulations. In case of sensitive mains, make provision for the installation on-
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