User-Defined Duty (4.3.14 - Grundfos CONTROL MPC Installation And Operating Instructions Manual

11.7.35 Max. duty (4.3.14.2)
Fig. 76 Max. duty
Description
The function makes it possible for a set number of pumps to run
at maximum performance when the function is activated.
Setting range
In this display, the number of pumps to run in the operating mode
Max. can be set. All pumps run at 100 % speed.
Setting via control panel
1. Mark the Settings menu with
2. Mark Secondary functions with
3. Mark Min., max. and user-defined duty with
press .
4. Mark Max. duty with
5. Mark Number of pumps in operation at 100 % speed, max.
duty with or .
6. Set the number with
Factory setting
Number of pumps in operation
during max. duty:
.
or , and press
or
or , and press .
or , and save with .
All pumps (except standby
pumps)

11.7.36 User-defined duty (4.3.14.3)

Fig. 77 User-defined duty
Description
In this display, it is possible to set a user-defined performance,
typically a performance between min. and max. duty.
The function makes it possible 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
, and
• Number of pumps in operation.
• Speed as percentage for variable-speed pumps.
Note: In Control MPC 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 control panel
1. Mark the Settings menu with
2. Mark Secondary functions with
3. Mark Min., max. and user-defined duty with
press .
4. Mark User-defined duty with
5. Mark Number of pumps in operation, user-defined duty
with or
6. Set the number with
7. Mark Speed with
8. Set the value with
Factory setting
The function is not activated, as the following has been set:
Number of pumps in operation during user-defined duty:
.
or
or , and press
.
or , and save with
or .
or , and save with
, and press .
or , and
.
.
.
0
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