Do not install the pump set with the suction strainer exactly at the level of the well
screen/filter. Excessive flow in the area of the well screen/filter entails the risk of
large amounts of sand being transported, which will cause excessive wear in the
pump.
Verify the well dimensions.
Pumps which are to be installed in a pump sump are always designed with a suction
or cooling shroud.
The pump set must not sit on the base of the well!
The pump set must not touch the well and tank walls! Use a centring device, if
required!
Prevent adjacent pump sets from influencing each other.
Provide an even approach flow in the suction area and do not obstruct it with any
structural components or installations.
Air intake from an inlet arranged above the water level is not permitted.
5.2.2 Checking the installation position
WARNING
Impermissible installation position
Damage to the machine! Damage to the bearings!
▷ For angled installation, always install the pump set with a rising slope towards
the discharge side.
The submersible borehole pump can be installed in a vertical or, depending on the
number of stages, also in an angled or horizontal position.
1.
Never install horizontally a pump set which has been selected for vertical
installation!
2. Never install the pump set with the pump at the lowest point.
Fig. 4: Checking the installation position
A1, A2 Permissible installation position
B Permissible installation position, if approved in the order documentation
C Impermissible installation position
Sand deposits
Narrowing
Installation conditions
5 Installation at Site
22 of 64
UPA, UPZ, BSX
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