First Start-Up - Grundfos MAGNA1 Series Installation And Operating Instructions Manual

5. First start-up

Do not start the pump until the system has been filled with liquid
and vented. Furthermore, the required minimum inlet pressure
must be available at the pump inlet. See section 12. Technical
data.
The system cannot be vented through the pump. The pump is
self-venting.
The discharge valve must be opened immediately
after start-up of the pump. Otherwise the
Caution
temperature of the pumped liquid may become
too high and cause damage to the equipment.
Step Action
Switch on the power supply to the pump.
1 Note: When switched on, the pump will start after approx.
5 seconds.
2 Control panel at first start-up.
The pump has been factory-set to the intermediate
proportional-pressure curve.
3
Select the control mode according to the system
application.
Illustration
17