2.3
Electrical work
2.4
Monitoring devices
2.5
Operating in fluids that are haz-
ardous to health
2.6
Transport
Installation and operating instructions Wilo-Flumen OPTI-TR 20-1, 28-1, 30-1, 40-1 Wilo-Flumen EXCEL-TRE 20, 30, 40
Safety
▪ Have electrical work carried out by a qualified electrician.
▪ Before commencing work, disconnect the product from the power supply and safeguard it
from being switched on again.
▪ Observe applicable local provisions when making the power connection.
▪ Adhere to the provisions of the local energy supply company.
▪ Train personnel in the execution of the electrical connection.
▪ Instruct personnel in the options for switching off the device.
▪ Adhere to the technical information in these installation and operating instructions as well
as on the rating plate.
▪ Earth product.
▪ Observe provisions for connection to the electrical switching systems.
▪ 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 mea-
sures into account (e.g. shielded cables, filters etc.).
▪ 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)
Adhere to the regulations of the local energy supply company! We recommend using a
residual-current device (RCD).
If persons come into contact with the product and conductive liquids, secure connection
with a residual-current device (RCD).
When using the product in fluids which are dangerous to health, there is a danger of bacte-
rial infection! Thoroughly clean and disinfect the product after removal and before further
use. The operator must ensure the following points:
▪ When cleaning the product the following protective equipment is made available and worn:
– Closed safety goggles
– Breathing mask
– Protective gloves
▪ All persons are informed about the fluid, the danger resulting from it and how to handle it!
▪ Risk of injury due to impact or crushing. Wear the following protective equipment:
– Safety shoes
– Protective helmet
▪ At the operation site adhere to applicable laws and regulations for work safety and accident
prevention.
▪ Demarcate the working area.
▪ Unauthorized persons must be kept away from the working area.
▪ Observe packaging provisions:
– Impact-resistant
– Ensure the product is properly fixed in place.
– Protect it against dust, oil and moisture.
▪ Only use legally specified and approved lifting gear and hoists.
▪ Select lifting gear according to the present conditions (weather, attachment point, load
etc.).
▪ Always attach the lifting gear to the attachment points and ensure they are securely at-
tached.
▪ The stability of the hoist must be ensured during operation.
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