Installing The Product; Positioning - Grundfos SRG 60 Hz Installation And Operating Instructions Manual

5. Installing the product

During installation, the pump must only be lifted when using the
suspension point.
The lifting equipment supplied with the pump as well as the wire
used for lifting and lowering the pump into the tank must not be
used as universal lifting equipment.
Never hang the pump by the power supply cable.
Never let the pump run while suspended from the
lifting equipment.

5.1 Positioning

Correct positioning of the pump is essential to ensure trouble-free
operation and long life. The following guidelines must be
observed:
• If more pumps are installed in the same tank, they must not
generate opposite flows.
• The distance from the center of the pump to the tank bottom
(H ) must be equal to the impeller diameter. See fig. 1.
min
• The distance from the top of the pump rack to the liquid
surface (H ) must fulfil one of the following two
ABOVE
requirements:
– For pumps with vortex shield, the distance must at least be
equal to the impeller diameter.
– For pumps without vortex shield, the distance must at least
be equal to 1.5 times the impeller diameter. See fig. 1.
Fig. 1 Distance to liquid surface and tank bottom
12
18
19
2
1
23
1
Fig. 2 Open installation
Pos. Designation
Bottom fixation bracket and guide claws on
1
connection flange*
2 Column profile
5 Top fixation bracket
12 Crane foot
13 Crane with winch and lifting wire
15 Lifting wire incl. wire clamp
17 Cable clamp
Cable sock, incl. shackle ∅10
18
19 Intermediate fixation bracket
23 Connection flange
* Guide claws are only available for SRG.xx.32.
13
5
15
17
5