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2.4
Electrical work
2.5
Monitoring devices
2.6
Fluids hazardous to health
2.7
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Installation and operating instructions Wilo-EMU TR/TRE 216 ... 326-3
Safety
Article recommendations
The articles mentioned in brackets are recommendations. The articles can be replaced with
an identical article according to the mentioned labellings!
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Have electrical work carried out by a qualified electrician.
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Disconnect product from power supply and secure against unauthorized reactivation.
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Observe applicable local regulations when connecting power.
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Observe the specifications of the local energy supplier.
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Train staff on how to set up the electrical connection.
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Train staff on the options for switching off the product.
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Adhere to the technical information in these installation and operating instructions as
well as on the rating plate.
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Ground product.
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Observe provisions for connection to the electrical switching systems.
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Comply with the specifications on electro-magnetic compatibility when using electronic
start-up controllers (e.g. soft starter or frequency converter). If required, take special
measures into account (e.g. shielded cables, filters etc.).
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Replace defective connection cables. Contact customer service.
The following monitoring devices must be provided by the customer:
Circuit breaker
The size and switching characteristics of the circuit breakers must conform to the rated cur-
rent of the product connected. Observe the locally applicable regulations.
Motor protection switch
For products supplied without a plug, a motor protection switch must be installed on-site.
The minimum requirement is a thermal relay/motor protection switch with temperature
compensation, differential triggering and an anti-reactivation device, in accordance with lo-
cal regulations. Further protection devices (e.g. overvoltage, undervoltage, or phase-failure
relay etc.) must be provided on-site for sensitive power supplies.
Residual-current device (RCD)
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Install residual-current device (RCD) according to the regulations of the local energy sup-
ply company.
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If contact with the product and conductive liquids is possible, install residual-current de-
vice (RCD).
Hazardous germs form in sewage or in stagnant water. There is a danger of bacterial infec-
tion!
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Wear protective equipment!
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Clean and disinfect the product thoroughly after removal!
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Inform all persons about the fluid and the danger it poses!
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At the operation site, comply with the applicable laws and regulations for work safety
and accident prevention.
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Secure and demarcate the working area.
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Unauthorized persons must be kept away from the working area.
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Always attach lifting gear to the attachment points.
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Ensure lifting gear is securely attached.
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Observe packaging instructions:
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Impact-resistant
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Ensure that product is properly fixed in place.
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Protect it against dust, oil and moisture.
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