Stationary Wet Well Installation - Wilo Rexa UNI Instrucciones De Instalación Y Funcionamiento

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NOTICE
Use only properly functioning lifting equip-
ment!
Use only properly functioning lifting equipment to lift
and lower the pump. Ensure that the pump does not
become jammed during lifting and lowering. Do not
exceed the maximum bearing capacity of the lifting
equipment! Check that lifting equipment is function-
ing properly before use!
8.4.1

Stationary wet well installation

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Pump is decommissioned.
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Gate valves on the inlet and pressure side closed.
1. Disconnect the pump from the mains.
2. Attach the lifting equipment to the attachment point.
CAUTION! Never pull on the power supply cable! This
damages the power supply cable!
3. Slowly raise the pump and lift above the guide pipes
from the operating space. CAUTION! The power supply
cable can be damaged while lifting! Hold the power
supply cable slightly taut when lifting!
4. Clean the pump thoroughly (see point "Cleaning and dis-
infecting"). DANGER! Disinfect the pump when used in
fluids hazardous to health!
8.4.2 Portable wet well installation
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Pump is taken out of operation.
1. Disconnect the pump from the mains.
2. Roll up the power supply cable and place it over the mo-
tor housing. CAUTION! Never pull on the power supply
cable! This damages the power supply cable!
3. Loosen the pressure pipe from the pressure port.
4. Attach the lifting equipment to the attachment point.
5. Lift the pump from the operating space. CAUTION! The
power supply cable may be squeezed and damaged
when setting the pump down! Pay attention to the
power supply cable when setting the pump down!
6. Clean the pump thoroughly (see point "Cleaning and dis-
infecting"). DANGER! Disinfect the pump when used in
fluids hazardous to health!
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Shut-down/dismantling
8.4.3 Clean and disinfect
DANGER
Danger due to fluids hazardous to health!
Danger to life if the pump is used in fluids hazardous
to health! Decontaminate the pump before carrying
out any further work! Wear the following protective
equipment while performing cleaning tasks:
• Closed safety goggles
• Breathing mask
• Protective gloves
⇒ The equipment listed here is the minimum re-
quirement, observe the specifications of the
work regulations! The operator must make sure
that the personnel have received and read the
work regulations!
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Pump is dismantled.
‡
Contaminated cleaning water is disposed of in the sewer
in accordance with the locally applicable regulations.
‡
A disinfectant is provided for contaminated pumps.
1. Attach the lifting equipment to the attachment point of
the pump.
2. Lift the pump approximately 30 cm (10 in) above the
ground.
3. Spray the pump with clear water from top to bottom.
NOTICE! An appropriate disinfectant must be used for
contaminated pumps! Strictly observe the manufac-
turer's specifications concerning use!
4. To clean the impeller and the pump interior, guide the
water jet inside via the pressure port.
5. Flush all dirt residue onto the floor of the channel.
6. Allow the pump to dry out.
In order to completely drain the pump housing, lie it
down on its side for approx. 5 minutes. Place the pres-
sure port face down.
8.4.3.1 Clean the interior area of the hydraulics
Remove the baseplate of the hydraulics for easier clean-
ing of the interior area of the hydraulics.
WILO SE 2019-02