en
Installation and operating instructions • Wilo-Flumen OPTI-TR 50-3 ... 120-1, Wilo-Flumen EXCEL-TRE 50-3 ... 90-2 • Ed.01/2022-07
9
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If the weather conditions mean it is no longer possible to work
safely, stop work.
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Work must always be carried out by two persons.
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When working at a height of more than 1 m (3 ft) above the
ground, use scaffolding with a safety harness.
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Ensure enclosed spaces have sufficient ventilation.
•
Toxic or asphyxiating gases may build up in enclosed spaces or
buildings. Observe protective measures in accordance with
work regulations, e.g. carry a gas detector with you.
•
If there is a risk of explosion, do not carry out welding work or
work with electrical devices.
•
Disconnect device from the mains and secure it against being
switched on again without authorisation.
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All rotating parts must stop.
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Disinfect product.
2.9
During operation
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Demarcate and cordon off the working area.
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No persons are allowed in the working area during operation.
•
Depending on the process, the product is activated and deac-
tivated using separate controls. The product may automatically
be activated following power cuts.
•
If the motor emerges, the motor housing can heat up to above
40 °C (104 °F).
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Superior must be informed immediately of any faults or irregu-
larities.
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The product must be switched off immediately if faults occur.
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Propeller must not crash into fixtures or walls. Observe defined
clearances in accordance with consulting documents.
•
Observe required water immersion. If water level varies signific-
antly, use level monitoring.
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Sound-pressure level depends on several factors (installation,
duty point, etc.). Measure the current noise level under operat-
ing conditions. Wear hearing protection at noise levels of
85 dB(A) and over. Demarcate the working area!
2.10 Maintenance tasks
•
Disconnect device from the mains and secure it against being
switched on again without authorisation.
•
Disinfect product.
•
Carry out maintenance work in a clean, dry and well-lit place.
•
Only carry out maintenance tasks described in these installation
and operating instructions.
•
Only original parts of the manufacturer may be used. The use of
any non-original parts releases the manufacturer from any liab-
ility.
•
Collect any leakage of fluid and operating fluid immediately and
dispose of it according to the locally applicable guidelines.
