Electric Connection - IBO 2” STING Betriebsanleitung

with plastic bands. At a great depth where the pump is installed the cable which is
not mounted to the delivery pipe may break reason high weight of cable.
I
It is recommended to lift the pump additionally at a steel line so that
in
case of self-rewinding of the delivery pipeline the unit does not sink
in the
well.
Right over the pump install a non-return valve to protect the equipment
against the
impact of the returning water. The non-return valve installed on the pump is
an
auxiliary valve, it may not be treated as the main valve.
The pump's motor is filled with an environment-friendly oil. In case of a
motor breakdown the oil might be released to the well.
Before lowering the pump into a new well, the user should make sure
whether the drilling company which executed the well has cleaned it by
pumping
protective pipe and inside the filter is contaminated with sludge and sand.
Pumping the water containing sand reduces significantly the lifecycle of deep-
well pumps.
When setting the pressure switch and choosing the capacity o
of pressure vessel it is necessary to comply with the rule that
the pump motor may not switch on more often than 30 times per
hour.
motor.

ELECTRIC CONNECTION:

The electric network from which the pump is to be supplied should have nominal
values as given in the date plate of the motor .
The pump must be connected to the network with active
earthing.
damages to people or objects resulting from the missing proper earthing.
The electrical network feeding the pump must be fitted with an
installation over-current motor switch securing the motor against
When lowering the pump into the well make sure that the feed
cable of the pump is in at least 2m mounted to the delivery pipe
the water out. When executing the well the water inside the
More frequent switching on might overload and damage the
The manufacturer and the warrantor is released from liability for
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