Mechanical Installation; Lifting The Pump; Installing The Pump; Positioning - Grundfos MAGNA1 Installation And Operating Instructions Manual

4. Mechanical installation

4.1 Lifting the pump

Warning
Observe local regulations setting limits for
manual lifting or handling.
Always lift directly on the pump head or the cooling fins when
handling the pump.
For large pumps, it may be necessary to use lifting equipment.

4.2 Installing the pump

The MAGNA1 is designed for indoor installation.
The pump may be suspended direct in the pipes, provided that
the pipework can support the pump.
To ensure adequate cooling of motor and electronics, observe the
following requirements:
• Position the pump in such a way that sufficient cooling is
ensured.
• The ambient temperature must not exceed +104 °F (+40 °C).
Step Action
Arrows on the pump housing
indicate the liquid flow
direction through the pump.
1 The liquid flow direction can
be horizontal or vertical,
depending on the control
box position.
Mount the pump with
2
gaskets in the pipework.
Flanged version:
Fit bolts and nuts. Use the
3
right size of bolts according
to system pressure.

4.3 Positioning

Always install the pump with horizontal motor shaft.
• Pump installed correctly in a vertical pipe. See fig. 9, pos. A.
• Pump installed correctly in a horizontal pipe. See fig. 9, pos. B.
• Do not install the pump with vertical motor shaft. See fig. 9,
pos. C and D.
A
C
Fig. 9
Illustration
B
D
Pump installed with horizontal motor shaft
7