3. Screw in the lubricant check plug of the gear unit and the lubricant filler plug, if
applicable.
5.3
Setting up the submersible mixer
CAUTION
Incorrect installation position of submersible mixer
Damage by excessive stresses or strains!
▷
Observe the data given in the general arrangement drawing.
▷
Installation in other positions is only permitted after prior consultation with and
approval by KSB.
Mount the submersible mixer on the applicable installation set as described in the
separate "Installation parts/accessories" installation instructions.
5.4
Electrical connection
5.4.1 Information for planning the control system
For the electrical connection of the submersible mixer observe the wiring diagrams
contained in the Annex.
The submersible mixer is supplied with a power cable and is wired for DOL starting.
For motors 4 4 and 5 4, star-delta starting is also possible.
NOTE
When laying a cable between the control system and the submersible mixer's connection
point, make sure to have a sufficient number of cores for the sensors! A minimum cable
cross-section of 1.5 mm² is required.
5.4.1.1 Overload protection
1. Protect the submersible mixer against overloading by a thermal time-lag
overload protection device in accordance with IEC 947 and local regulations.
2. Set the overload protection device to the rated current specified on the name
5.4.1.2 Level switch
DANGER
Dry-running of submersible mixer
Explosion hazard!
▷
Never allow an explosion-proof submersible mixer to run dry!
CAUTION
Propeller not fully submerged
Damage to the submersible mixer!
▷
Never allow the liquid level to drop below the submersible mixer during mixer
operation (not even for short periods).
Automatic mixer operation in a tank requires the use of level control equipment.
Observe the specified minimum fluid level. (
5.4.1.3 Frequency inverter operation
The submersible mixer is suitable for frequency inverter operation as per IEC
60034-17.
5 Installation at Site
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Amaprop®
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