Settings; Primary Controller; Pump Cascade Control; Secondary Function - Grundfos Control MPC Installation And Operating Instructions Manual

8.7 Settings (4)

Fig. 36 Settings
In this menu, you can set the following functions:

• Primary controller

PI controller, Alternative setpoints, External setpoint influence,
Primary sensor, Clock program, Proportional pressure,
S-system configuration, Setpoint ramp.

• Pump cascade control

Min. time between start/stop, Max. number of starts/hour,
Number of standby pumps, Forced pump changeover, Pump
test run, Pump stop attempt, Pump start and stop speed, Min.
performance, Compensation for pump start-up time.
• Secondary functions
Stop function, Soft pressure build-up, Digital inputs, Analog
inputs, Digital outputs, Analog outputs, Emergency run, Min.,
max. and user-defined duty, Pump curve data, Control source,
Fixed inlet pressure, Flow estimation, Reduced operation.
• Monitoring functions
Dry-running protection, Min. pressure, Max. pressure, External
fault, Limit 1 exceeded, Limit 2 exceeded, Pumps outside duty
range, Pressure relief, Log values, Fault, primary sensor.
• Functions, CU 352
Display language, Units, Date and time, Password, Ethernet,
GENIbus number, Software status. The service language,
British English, can be selected for service purposes. All these
functions are usually set correctly when the system is switched
on.
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8.7.1 Primary controller (4.1)
Fig. 37 Primary controller
Description
It is possible to set the functions related to the primary controller.
It is only necessary to make settings in this menu if the
functionality is to be expanded with for instance alternative
setpoints, external setpoint influence, clock program or
proportional pressure.
The following menus can be selected:
• PI controller
• Alternative setpoints
• External setpoint influence
• Primary sensor
• Clock program
• Proportional pressure
• S-system configuration.