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10 Installation and operating instructions • Wilo-Yonos MAXO/-D/-Z • Ed.01/2022-08
Warning of hot surfaces
Warning of magnetic fields
Notices
2.2 Personnel qualifications
Personnel must:
• Be instructed about locally applicable regulations governing acci-
dent prevention.
• Have read and understood the installation and operating instruc-
tions.
Personnel must have the following qualifications:
• Electrical work: Electrical work must be performed by a qualified
electrician.
• Installation/dismantling work: The installation/dismantling must be
carried out by a qualified technician who is trained in the use of the
necessary tools and fixation materials.
• The product must be operated by persons who are instructed on
how the complete system functions.
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
• Electrical work must be performed by a qualified electrician.
• Nationally applicable guidelines, standards and regulations as well as
specifications issued by the local energy supply companies for con-
nection to the local power supply system must be observed.
• Before commencing work, disconnect the product from the mains
and secure it against being switched on again.
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