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Installation and operating instructions • Wilo-Flumen OPTI-TR 50-3 ... 120-1, Wilo-Flumen EXCEL-TRE 50-3 ... 90-2 • Ed.01/2022-07
2.5
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/mo-
tor protection switch with temperature compensation, differen-
tial 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. over-
voltage, undervoltage or phase failure relay, etc.).
Residual-current device (RCD)
•
Install a residual-current device (RCD) in accordance with the
regulations of the local energy supply company.
•
If people can come into contact with the device and conductive
fluids, install a residual-current device (RCD).
2.6
Fluids hazardous to
health
Hazardous germs form in sewage or in stagnant water. There is a
danger of bacterial infections!
•
Wear protective equipment!
•
Clean and disinfect the product thoroughly after removal!
•
Inform all persons about the pumped fluid and the danger it
poses!
2.7
Transport
•
Locally applicable laws and regulations on work safety and ac-
cident prevention must be complied with.
•
Demarcate and cordon off the working area.
•
Keep unauthorised persons away from the working area.
•
Always attach the lifting gear to the attachment points.
•
Ensure that the lifting gear is securely attached.
•
Observe packaging instructions:
–
Impact-resistant
–
Ensure that the product is properly fixed in place.
–
Protect it against dust, oil and moisture.
2.8
Installing/dismantling
•
Wear a safety harness.
•
Locally applicable laws and regulations on work safety and ac-
cident prevention must be complied with.
•
Demarcate and cordon off the working area.
•
Keep working area free from ice.
•
Remove objects lying around from the work area.
•
Keep unauthorised persons away from the working area.
