8.1 Standard control panel on the pump
TM054848
Standard control panel
Pos. Symbol Description
1
Grundfos Eye
Shows the operating status of individual
pump.
See section Grundfos Eye for further
information.
2 - Light fields for indication of setpoint.
3
Changes the setpoint and resets alarms and
warnings.
4
Enables radio communication with Grundfos
GO and other products of the same type.
5
Makes the pump ready for operation or starts
and stops the pump.
Start:
If the button is pressed when the pump is
stopped, the pump will only start if no other
functions with higher priority have been
enabled. See section Priority of settings.
Stop:
If the button is pressed when the pump is
running, the pump will always be stopped.
When the pump is stopped via this button, the
Stop text next to the button will illuminate.
Related information
14. Priority of settings
15. Grundfos Eye
8.1.1
Setpoint setting
Set the desired setpoint by pressing or . The setpoint can be
set on any of the pumps in the system and applies to the complete
system.
The light fields on the control panel will indicate the setpoint set.
Pump in constant-pressure control mode
Hydro Multi-E systems are set up from factory as pressure boosting
systems, but can be set up to other control modes. See CRI and
CRIE installation and operating instructions. The following example
applies to a pump in an application where a pressure sensor gives
feedback to the pump. If the sensor is retrofitted to the pump, it
must be set manually as the pump does not automatically register a
connected sensor.
The figure below shows that the light fields 5 and 6 are activated,
indicating a desired setpoint of 3 bar with a sensor measuring range
from 0 to 6 bar.
The setting range is equal to the sensor measuring range.
TM054894
Setpoint set to 3 bar,constant-pressure control mode
TM057901
Constant pressure curve
Setting to maximum curve:
• Press
continuously to change over to the maximum curve of
the pump (top light field flashes). When the top light field is on,
press and hold
for 3 seconds until the light field starts
flashing.
• To change back, press
continuously until the desired setpoint
is indicated.
Example: Pump set to maximum curve.
The figure below shows that the top light field is flashing, indicating
maximum curve.
18
English (GB)
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