Grundfos SB Serie Montage- Und Betriebsanleitung Seite 7

3.1.1 Maximum installation depth
Maximum installation depth
Product
[m]
SB 10
SBA 10
SB HF 15
3.1.2 Highest tapping point for SBA pumps
Install SBA pumps so that the height between the
pump and the highest tapping point does not exceed
these values:
SBA 3-35: 13 m.
SBA 3-45: 20 m.
SBA 3-35
Max.
13 m/43 ft
Fig. 1 Highest tapping point for SBA
3.1.3 Minimum space
Pumps installed with a float switch require a free
space between the float switch and the wall to
ensure free movability.
Pumps with side inlet require a free space between
the floating inlet strainer and the wall.
If you install the pump in a well or tank, the minimum
free space must be as shown in figs
Pumps installed without a float switch require a
space that corresponds to the physical dimensions of
the pump.
SBA 3-45
Max.
20 m/66ft
2 and 3.
SB and SBA pump with a float switch and side
inlet
Min.
5 cm/2 inch
Fig. 2 Minimum space for SB and SBA pump in
a well or tank
SB HF pump with a float switch
Fig. 3 Minimum space for SB HF pump. This
example shows installation in a well
Min.
10 cm/
4 inch
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