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Operating Modes; Normal Operation; Stop Or Max. Operation; Operating Condition In Case Of Disconnection Of Power Supply - Grundfos Hydro Multi-E Manual Del Usuario

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8. Operating modes

The operating modes are the operating conditions that the
booster system can be brought in by the user.
Possible operating modes:
Stop
All pumps stopped.
Normal (factory setting)
One or more pumps are operating to maintain the set
pressure.
Max.
All pumps running at maximum speed.
The operating modes can be selected on the control panel, via
the R100 or via bus.

8.1 Normal operation

H
H
set
H
set
Fig. 19 Hydro Multi-E in normal operation, i.e.
constant-pressure mode
In constant-pressure mode, the Hydro Multi-E adjusts its
performance to the desired setpoint.

8.2 Stop or max. operation

In addition to normal operating mode, you can select the
operating modes "Stop" or "Max.". See the example in fig. 20.
Max.
H
Fig. 20 Hydro Multi-E in operating mode "Max."
Max. operation can for instance be used in connection with the
venting and start-up procedures.
8.3 Operating condition in case of disconnection of
power supply
If the power supply to the Hydro Multi-E is disconnected, the
settings will be stored. The Hydro Multi-E will restart in the same
operating condition as it was in before the disconnection.

8.4 Other settings

You can make other settings with the R100.
See section
10. Setting via the
Factory settings are marked with bold-faced type under each
individual display in sections
10.1 Menu OPERATION
10.3 Menu
INSTALLATION.
12
Q
Q
R100.
and

9. Setting via the control panel

The control panel, fig.
21
or 22, has these elements:
operating buttons,
and
light fields, yellow, for indication of setpoint
indicator lights, green (operation) and red (fault).
Light fields
Indicator lights
Fig. 21 Control panel, single-phase Hydro Multi-E
Light fields
Indicator lights
Fig. 22 Control panel, three-phase Hydro Multi-E

9.1 Setpoint setting

Set the desired setpoint by pressing
The light fields on the control panel indicate the setpoint set.

9.2 Hydro Multi-E in constant-pressure operation

Figure
23
shows that the light fields 5 and 6 are activated,
indicating a desired setpoint of 5 bar with a sensor measuring
range from 0 to 10 bar. The setting range is equal to the sensor
measuring range (see sensor nameplate).
[bar]
10
5
0
Fig. 23 Setpoint set to 5 bar
, for setpoint setting
Buttons
Buttons
and
.

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