Grundfos ALPHA1 L Serie Instrucciones De Instalación Y Funcionamiento página 7

Pump installation
Tightening the fittings
Related information
3.3 Control box positions
3.2 Pump positions
Always install the pump with a horizontal motor shaft within ± 5 °.
Do not install the pump with a vertical motor shaft. See fig. Pump
positions, bottom row.
• Pump installed correctly in a vertical pipe. See fig. Pump
positions, top row, left.
• Pump installed correctly in a horizontal pipe. See fig. Pump
positions, top row, right.
Pump positions
3.3 Control box positions
DANGER
Electric shock
Death or serious personal injury
‐
Switch off the power supply before starting any work
on the product. Make sure that the power supply can-
not be accidentally switched on.
CAUTION
Hot surface
Minor or moderate personal injury
‐
The pump housing may be hot due to the pumped liq-
uid being scalding hot. Close the isolating valves on
both sides of the pump and wait for the pump housing
to cool down.
CAUTION
Pressurised system
Minor or moderate personal injury
‐
Before dismantling the pump, drain the system or
close the isolating valves on both sides of the pump.
The pumped liquid may be scalding hot and under
high pressure.
The control box can be mounted in all positions. See fig. Possible
control box positions.
Possible control box positions
3.3.1 Changing the control box position
Step Action Illustration
Make sure that
the inlet and out-
let valves are
closed.
1
Unscrew the
screws on the
pump head.
Turn the pump
2 head to the de-
sired position.
Refit the screws
3 on the pump
head.
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