Installation and electrical connection
en
Installation and operating instructions Wilo-Padus PRO
15
WARNING
Hand and foot injuries due to lack of protective equipment!
Danger of (serious) injuries during work. Wear the following protective equipment:
• Safety gloves for protection against cuts
• Safety shoes
• Safety helmet must be worn if lifting equipment are used!
NOTICE
Use only properly functioning lifting equipment!
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 equip-
ment is functioning properly before use!
ƒ
Prepare the operating space/installation location as follows:
–
Clean, free of coarse solids
–
Dry
–
Frost-free
–
Decontaminated
ƒ
Take immediate countermeasures if there is a build-up of toxic or suffocating gases!
ƒ
Use the handle for lifting, lowering and transporting the pump. Never carry or drag
the pump by the connection cable!
ƒ
It must be possible to attach the lifting equipment safely. The storage place and the
operating space/installation site must be accessible by the lifting equipment. The
set-down location must have a firm surface.
ƒ
Attach the lifting gear to the handle using a shackle. Only use lifting gear which has
been technically approved.
ƒ
The laid connection cables must enable safe operation. Check whether the cable
cross-section and the cable length are sufficient for the selected installation type.
ƒ
The corresponding IP class must be observed when using switchgear. Install the
switchgear in an overflow-proof position and away from potentially explosive atmo-
sphere areas!
6.4.1
Maintenance tasks
After a storage period of more than 6 months, turn the impeller prior to installation.
6.4.1.1
Rotate impeller
WARNING
Sharp edges on the impeller and suction port!
Sharp edges can form on the impeller and suction port. There is danger of limbs be-
ing severed! Protective gloves must be worn to protect from cuts.
‡
The pump is
not
connected to the mains!
‡
Protective equipment must be worn!
1. Place the pump on a firm surface in a vertical position.
WARNING! Risk of hands being crushed. Make sure that the pump cannot fall
over or slip!
2. Disassemble the suction strainer.
Loosen the four hexagon nuts on the suction strainer and remove with the washer.
3. Pull off the suction strainer.
4. Reach slowly and carefully into the hydraulics and turn the impeller.
5. Mount the suction strainer.
Push the suction strainer into position. Screw in the four hexagon nuts with wash-
ers and tighten.
Max. tightening torque: 20 Nm!
