2.10
Operating fluids
2.11
Operator's obligations
3
Application/Use
3.1
Intended use
3.2
Improper use
Installation and operating instructions Wilo-Rexa PRO
Application/Use
WARNING! When the pressure escapes, hot operating fluid can also be ejected.This can
lead to burns!To avoid injury, allow the motor to cool down to ambient temperature be-
fore commencing work!
▪ When the pressure has fully dissipated, fully unscrew screw plug.
The motor is filled with white oil in the sealing chamber. The operating fluid must be re-
placed during the regular maintenance work and disposed of according to the local guide-
lines.
▪ Provide the 'Installation and operating instructions' in the language of the personnel.
▪ Ensure the required training of personnel for the specified work.
▪ Provide the required protective equipment and ensure that the personnel wear the protec-
tive equipment.
▪ Ensure that the attached safety and information signs on the product are always legible.
▪ Instruct the personnel in the operating principle of the system.
▪ Exclude any potential risks presented by electricity.
▪ Fit dangerous components within the system with an on-site guard.
▪ Secure and mark the work area.
▪ For a safe workflow define the personnel's work plan.
Children and persons under 16 years of age or with limited physical, sensory or cognitive ca-
pacities are prohibited from handling the product! Persons under 18 years of age must be
supervised by a technician!
The submersible pumps are suited for pumping:
▪ Sewage containing feces
▪ Wastewater (with small amounts of sand and grit)
▪ Process sewage
▪ Pumped fluids with up to max. 8 % dry matter
DANGER
Explosion due to pumping explosive fluids!
Pumping highly flammable and explosive fluids (benzene, kerosene etc.) in their pure
form is strictly forbidden. There is a risk of fatal injury due to explosion! The pumps are
not designed for these fluids.
DANGER
Danger due to fluids which are hazardous to health!
When the pump is used in fluids which are hazardous to health, decontaminate the pump
after removal and before all work! There is a risk of fatal injury! Observe information from
the work regulations! The operator must ensure that the personnel have received and
read the work regulations!
The submersible pumps must not be used for pumping:
▪ Potable water
▪ Fluids containing hard components (e.g. stone, wood, metal etc.)
▪ Fluids with large amounts of abrasive contents (e.g. sand, grit)
Intended use also includes compliance with these instructions. Any other use is regarded as
improper use.
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