Grundfos seg autoadapt, Service Instructions Manual

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English (GB)
18
12.3 Testing the sensors
In case the pump software version is old, we recommend that you
update it to the latest one.
12.3.1 Dry-running sensor (dry test)
1. Place the pump in horizontal position.
2. Connect Grundfos PC Tool to the pump.
3. Connect the pump to the power supply, but do not start it yet.
4. Clean the dry-running sensor.
5. Cover the sensor with wet cloth and start the pump.
6. Let the pump run for a maximum of 5 seconds.
7. Remove the wet cloth and dry the sensor.
8. Turn off the power supply.
9. Disconnect the power supply cable and PC Tool.
12.3.2 Dry-running and/or level sensor (submersion test)
1. Connect the pump to Grundfos PC tool.
2. Connect the pump to the power supply.
3. Secure the pump in vertical position.
4. Lower the pump carefully into the test basin.
5. Start the pump and find the start level.
In case the pump does not start automatically within 5
seconds, reverse the phase connections.
6. Observe the pump data through PC Tool in case of sensor
warnings.
7. Pump water into the test basin until the pump start level is
reached.
8. The pump starts to pump down to the stop level.
9. Let the pump start a few times to make sure that it operates
correctly.
10. Remove the pump from the test basin.
11. Remove the power supply cable and PC Tool.
Make sure that the pump base is clear from objects.
Make sure that the flow is lower than the pump
capacity when the liquid is pumped into the test
basin.