Menu System Installation - Grundfos IO Instrucciones De Instalación Y Funcionamiento

6.4 Menu SYSTEM INSTALLATION

In this menu, the settings to be considered when
installing the pump are made. Values set in this
menu apply to all pumps in the system.
P1 P2 P3 P4
Level indication
Fig. 18
At this level, the alarm relay
output is triggered, and an
High water level alarm is generated.
Factory default setting:
Max. start level + 10 cm.
The highest level at which the
Max. start level pump will start.
Factory default setting: 25 cm.
Dry-running Dry-running level.
level Fixed value.
6.4.1 Max. start level
This display is only available in single-pit mode.
Set the maximum permissible start level for the
pumps.
6.4.2 High water level
This display is only available in single-pit mode.
When "High water level" is reached, an alarm is
generated, and all pumps will start.
Set the water level that has to indicate "High water
level". This value must be higher than "Max. start
level" to avoid conflicting levels.
24
High water level
Max. start level
Dry running
6.4.3 Anti-seizing
This display is only available in single-pit mode.
The anti-seizing function is enabled by selecting
"Enable". Set operating time (seconds) and the
interval (days) between activations of the anti-
seizing function.
Factory default setting: 2 s / 3 days (operating time).
6.4.4 After-run
Warning
This function cannot be used on pumps
with SuperVortex impeller. These
pumps cannot start with air in the
hydraulic system.
Warning
This function must not be used in Ex
installations.
The after-run function is enabled by selecting
"Enable". Set the operating time (seconds) and the
interval (number of starts) between activations of the
after-run function.
Factory default setting: 6 s / 15 starts.
6.4.5 Number
The number refers to the CIU unit. It is only
necessary to change the number if several CIU units
have to communicate at the same GENIbus level.
Enter the desired pump number to change the
factory-set pump number.
Factory default setting: 1.