Grundfos Control MPC Montage- Und Betriebsanleitung Seite 55

8.6.40 Max. duty (4.3.14.2)
Max. duty
Description
The function allows you to set a number of pumps to run at
maximum performance when the function is enabled.
Setting range
You can set the number of pumps to run in the operating mode
Max.. All pumps run at 100 % speed.
Setting via the operating panel
• Settings > Secondary functions > Min., max. and user-
defined duty > Max. duty.
Select and set:
• Number of pumps in operation at 100 % speed, max. duty.
Factory settings
Number of pumps in operation during max. duty:
All pumps (except standby pumps).
8.6.41 User-defined duty (4.3.14.3)
User-defined duty
Description
You can set a user-defined performance, typically a performance
between minimum and maximum duty.
The function allows you to set a pump performance by selecting the
number of pumps to run and the speed of variable-speed pumps.
This function primarily selects the variable-speed pumps. If the
number of selected pumps exceeds the number of variable-speed
pumps, mains-operated pumps are started too.
Setting range
• Number of pumps in operation.
• Speed as percentage for variable-speed pumps.
In systems with only variable-speed pumps, the speed
can be set between 25 and 100 %; in systems with
both variable-speed pumps and mains-operated
pumps the speed can be set between 70 and 100 %.
Setting via the operating panel
• Settings > Secondary functions > Min., max. and user-
defined duty > User-defined duty.
Select and set:
• Number of pumps in operation, user-defined duty.
• Speed.
Factory settings
The function is disabled as the following has been set:
Number of pumps in operation during user-defined duty: 00
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