Wilo DrainLift WS 50 Basic Einbau- Und Betriebsanleitung Seite 43

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3.2 Improper use
42
Application/use
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For the backflow resistant drainage in cases where the discharge point is below the
backflow level.
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As a lifting unit within buildings (above ground installation).
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As a pump chamber outside buildings (concealed floor installation).
NOTICE! Install grease traps upstream of the pump chamber if pumping greasy
sewage!
Pumping station
WS 40E Basic with Rexa MINI3...
WS 40D Basic with Rexa MINI3...
WS 50E Basic with Rexa MINI3...
WS 50E Basic with Rexa UNI...
WS 50D Basic with Rexa MINI3...
WS 50D Basic with Rexa UNI...
CAUTION
Overpressure in the tank!
If there is overpressure in the tank, it can burst. Observe the following points to pre-
vent overpressure:
• The maximum positive suction head is 5 m (16.5 ft)
• The maximum inlet volume flow must be less than the maximum flow rate at the
duty point!
DANGER
Explosion due to use of explosive fluids!
Use of highly flammable and explosive fluids (gasoline, kerosene, etc.) in their pure
form is prohibited. There is a risk of fatal injury due to explosion! The lifting unit is
not designed for these fluids.
Do not use the following fluids:
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Sewage from drainage objects that are located above the backflow level and can be
drained by natural fall.
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Debris, ash, rubbish, glass, sand, plaster, cement, lime, mortar, fibrous materials, tex-
tiles, paper towels, wet-wipes (e.g. fleece cloths, moist toilet paper wipes), nappies,
cardboard, coarse paper, synthetic resins, tar, kitchen waste, grease, oil
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Slaughterhouse waste, disposal of slaughtered animals and animal waste (liquid ma-
nure etc.)
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Toxic, aggressive and corrosive fluids, such as heavy metals, biocides, pesticides,
acids, bases, salts, swimming-pool water
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Cleaning agents, disinfectants, dishwashing or laundry detergents in excess
amounts, and such that have a disproportionately high degree of foam formation
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Drinking water
Intended use also includes compliance with this manual. Any other use is regarded as
non-compliant with intended use.
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WILO SE 05