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Grundfos DME - Start-up

Grundfos DME
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24
5. Start-up
If the pump is not operating satisfactorily, see section 9. Fault finding chart.
Step Action
1
Prior to start-up, the dosing head screws must be re-tightened:
Cross-tighten the screws to 5.5 Nm (+ 0.5/– 0 Nm).
2
Connect the hoses/pipes:
Connect the suction and dosing tubes/pipes to the pump.
Connect a tube to the vent valve, if required, and lead the hose to
the tank.
3
Switch on the electricity supply:
The display is on.
The green indicator light is flashing (the pump has stopped).
Select language, if required, see section 4.19.
4
Select the operating mode (see section 4.8):
Manual.
•Pulse.
Analog.
•Timer.
•Batch.
5
Connect the cables:
Connect the control/level cables, if any, to the pump, see section
3.6.
6
Start the pump:
Start the pump by pressing the on/off button.
The green indicator light is permanently on.
7
Priming/venting:
Press the button on the pump control panel and let the pump
run without a counter pressure. Loosen the vent valve by giving it a
1/8 to 1/4 turn, if required.
When the buttons and are pressed simultaneously during
priming, the pump can be set to run for a specific number of sec-
onds at maximum capacity.
8
Calibration:
When the pump has been primed and is running at the right
counter pressure, calibrate the pump, see section 6.
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Grundfos.bk Page 24 Wednesday, May 21, 2008 11:21 AM

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