4 Description
18 of 104
mini-Compacta
2317.886/16-EN
4.4 Design details
Design
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Floodable sewage lifting unit
4)
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Gas-tight and water-tight plastic collecting tank, pump unit, sensors and control
unit
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Ready-to-connect sewage lifting unit
Drive
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Surface-cooled
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AC motor / three-phase asynchronous motor
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Thermal overload protection
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To VDE 0530, Part 1/IEC 34-1
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Enclosure IP68 (permanently submerged) to EN 60529 / IEC 529
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Thermal class F
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Electrical voltage 400 V (three-phase asynchronous motor) / 230 V (AC motor)
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Frequency 50 Hz
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DOL starting
Impeller type
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Free-flow impeller
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Cutter
Bearings
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Grease-packed, maintenance-free rolling element bearings
Shaft seal
mini-Compacta US (40 litres) / U (60 litres) / U (100 litres) / UZ (150 litres):
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Impeller end, 1 shaft seal ring
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Drive end: 1 shaft seal ring
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A grease fill is provided between the impeller-end and drive-end shaft seals.
mini-Compacta US (100 litres) / UZS (150 litres) / variant C:
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Impeller end, 1 mechanical seal
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Drive end: 1 shaft seal ring
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An oil reservoir, which is supplied filled with ecologically acceptable white oil, is
fitted between the impeller-end and drive-end shaft seals.
4)
Maximum flooding height: 2 metres, maximum flooding period: 7 days (does not apply to control unit). The lifting unit
must be cleaned and serviced after it has been flooded.