Condition Of The Well; Positional Requirements; Motors Suitable For Horizontal Installation - Grundfos SP Serie Instrucciones De Instalación Y Operación

6.1.1 Condition of the well

If the pump is to be installed in a new well, make
sure that the well is fully developed and bailed
or blown free of cuttings, drillings and sand. The
stainless steel construction of the Grundfos
submersible pump makes it resistant to
abrasion; however, no pump, made of any
material, can forever withstand the destructive
wear that occurs when constantly pumping
sandy water.
If this pump is used to replace an oil-filled
submersible or oil-lubricated line-shaft turbine
pump in an existing well, the well must be blown
or bailed clear of oil.
Determine the maximum depth of the well, and
the draw-down level at the pump's maximum
capacity. Use this data for pump selection and to
determine installation depth.
Check the inside diameter of the well casing to
ensure that it is larger than the size of the pump
and motor.

6.2 Positional requirements

WARNING
Leave the inlet screen in place if the
pump installation is accessible to
human touch.
Depending on the motor type, the pump can be
installed either vertically or horizontally. A
complete list of motor types suitable for
horizontal installation is shown in section
6.2.1 Motors suitable for horizontal
If the pump is installed horizontally, make sure
that the outlet port never falls below the
horizontal plane. See fig. 2.
Fig. 2 Positional requirements
If the pump is installed horizontally, e.g. in a
tank, we recommend that you fit it in a flow
sleeve.
8
installation.
Allowed
Not
allowed
6.2.1 Motors suitable for horizontal
installation
Output power
60 Hz
Motor
[Hp (kW)]
0.5 - 40
MS
(0.37 - 30)
50-60
MMS6
(37 - 44.7)
30-150
MMS 8000
(22-112)
100-250
MMS 10000
(75-190)
CAUTION
During operation, the suction
Caution interconnector of the pump must
always be completely submerged in
the liquid. Make sure that the NPSH
values are fulfilled.
WARNING
If the pump is used for pumping hot
liquids of 104-140 °F (40-60 °C),
make sure that persons cannot come
into contact with the pump and the
installation, e.g. by installing a guard.
Output power
50 Hz
[Hp (kW)]
All
5-50
(3.7 - 37)
30-150
(22-112)
100-250
(75-190)