Operation Pump running Ready Alarm Warning Operating mode
Stop
Grundfos Eye is rotating red
Alarm, but the pump or motor is running.
Operation Pump running Ready Alarm Warning Operating mode
Normal
Min.
or
Max.
Grundfos Eye is rotating red
Alarm, but the pump or motor is running.
Operation Pump running Ready Alarm Warning Operating mode
Manual
Grundfos Eye is flashing red
The pump or motor has been stopped due to an alarm.
Operation
Pump running Ready Alarm Warning Operating mode
Stop
7. Starting up the product
After having carried out the mechanical and electrical installation
described in previous sections, proceed to the following steps.
7.1 Positive inlet pressure startup procedure
1. Check that the precharge pressure in the diaphragm tank is 0.7
times the required outlet pressure (setpoint).
2. Make sure that all valves on the pump outlet and inlet side are
open.
3. Turn on the tap on the pump outlet side to allow water to pass
through the pump.
4. Turn the power on the pump by pressing the Start/Stop button
5. Adjust the required setpoint pressure by using the up or down
arrows on the motor.
7.2 Flooded suction and suction lift startup procedures
1. Check that the precharge pressure in the diaphragm tank is 0.7
times the required outlet pressure (setpoint).
2. Use a 10-mm Allen wrench to remove the vent plug on the front
of the pump just above the inlet port.
3. Use a funnel and fill water into the pump through the vent port.
When water is no longer able to fill into the pump, the pump is
primed.
4. Reinstall vent plug. Be careful not to cross-thread the vent plug
while reinstalling.
5. Ensure all valves on the outlet side and inlet side of the pump
are in an open position.
6. Turn the power on by pressing the Start/Stop button on the
pump.
7. Adjust the required setpoint pressure by using the up or down
arrows on the motor.
12
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