Safety
en
Installation and operating instructions Wilo-EMU TR/TRE 212 ... 326-3
7
Personal protective equipment: wear safety harness
Personal protective equipment: wear mouth protection
Personal protective equipment: wear safety goggles
Working alone is prohibited! A second person must be present.
Useful information
2.2
Personnel qualifications
ƒ
Electrical work: qualified electrician
Person with appropriate technical training, knowledge and experience who can
identify and prevent electrical hazards.
ƒ
Installation/dismantling work: trained sewage technology professional
Fixation and pipework in wet well and dry well installation, lifting equipment, basic
knowledge of wastewater facilities
ƒ
Maintenance work: trained sewage technology professional
Application/disposal of operating fluids used, basic engineering knowledge (installa-
tion/dismantling)
ƒ
Lifting work: trained specialist for the operation of lifting devices
Lifting equipment, lifting gear, attachment points
ƒ
Personnel have been instructed on locally applicable regulations governing accident
prevention.
ƒ
Personnel have read and understood the installation and operating instructions.
2.3
Electrical work
ƒ
Electrical work must be carried out by a qualified electrician.
ƒ
Disconnect device from the mains and secure it against being switched on again
without authorisation.
ƒ
Observe applicable local regulations when connecting to the mains power supply.
ƒ
Comply with the requirements of the local energy supply company.
ƒ
Train personnel on how to make electrical connections.
ƒ
Train personnel on the options for switching off the device.
ƒ
Observe the technical information in these installation and operating instructions as
well as on the rating plate.
ƒ
Earth the device.
ƒ
Observe provisions 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
special measures into account (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-
site of other protective equipment (e.g. overvoltage, undervoltage or phase failure re-
lay, etc.).