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General| Application | Pump protection |
|---|---|
| Frequency | 50/60 Hz |
| Mounting | DIN rail |
| Temperature range | -20 to +60 °C |
| Storage temperature | -40°C to +70°C |
Comprehensive guide for installing and operating the MP 204 unit.
Details conformity with specific EU Council directives for the MP 204.
Explains the MP 204 as an electronic motor protector with warning and trip limits.
Describes MP 204 use as standalone protector or in Grundfos Modular Controls system.
Lists monitoring, protection, and communication functions.
Lists conditions that cause tripping and warnings.
Explains learning function and default configuration values.
Details default trip and warning limits for parameters.
Describes mounting the MP 204 in a control cabinet or on a DIN rail.
Illustrates steps for mounting and removing the MP 204 on a DIN rail.
Provides an overview of MP 204 terminal connections for power and I/O.
Lists terminal designations, connection types, and recommended cable sizes.
Specifies UL requirements for field wiring terminals, including conductor type.
Details terminal designations and diagrams for Pt100/Pt1000 sensor connections.
Lists maximum back-up fuse sizes for the MP 204 based on external CTs.
Specifies the terminal for connecting PTC/thermal switches.
Shows wiring for a three-phase pump with insulation measurement.
Illustrates a three-phase connection using external current transformers.
Shows passing measuring cables through the MP 204 five times per phase.
Depicts wiring for a single-phase motor with starting and run capacitors.
Details the use and fitting of external current transformers for currents above 120 A.
Lists Grundfos CT product numbers, ratios, and maximum ratings.
Identifies control panel components: display, buttons, indicators.
Explains the operation of 'T' (Test) and 'R' (Reset) buttons.
Describes the sequence of information displayed on the MP 204 screen.
Explains the '+' button's role in cycling through display information.
Describes how to enter the programming mode using control panel buttons.
Details how to set the rated motor current using the control panel.
Details how to set the nominal supply voltage using the control panel.
Selects IEC trip class (1-45) and trip delay.
Details how to set the number of phases (1 or 3).
Illustrates the sequence for basic parameter settings on the control panel.
Explains how to reactivate the learning function for sensors or capacitors.
Describes R100 use for wireless communication, settings, and status reading.
Shows the R100 remote control and the placement of its settings label.
Lists the main menus available on the R100: General, Operation, Status, Limits, Installation.
Explains R100 button functions and display modes (rolling, value, dark-coloured text).
Explains how the status field shows instantaneous values relative to limits.
Outlines the R100's menu structure divided into five parallel menus.
Introduces OPERATION menu for alarms, logs, and warnings.
Shows operating mode and MP 204 number on R100.
Displays the cause of the last trip, referencing fault codes.
Shows active warnings on the R100 display.
Displays entries from the alarm log.
Shows current and voltage measurements for single/three-phase supplies.
Details how three-phase voltages (UL1-L2, etc.) and currents (I1, I2, I3) are displayed.
Displays further entries from the alarm log.
Shows average current and voltage, calculated for three-phase or single-phase.
Displays temperatures measured by active Tempcon or Pt100/Pt1000 sensors.
Shows actual input power and accumulated motor energy consumption.
Displays the energy consumption counter, which can be reset.
Shows actual phase sequence and frequency.
Displays current unbalance percentage.
Shows total operating hours and motor starts.
Counts operating hours/starts and can be reset.
Shows actual values of starting and run capacitors.
Shows insulation resistance to earth.
Displays actual power factor of the motor.
Measures and displays distortion on mains.
Explains warning and trip limits for parameters.
Allows setting limits for Tempcon sensor temperature.
Allows setting warning and trip limits for Pt sensor temperature.
Sets rated motor current and minimum trip current (dry-running).
Sets warning limits for maximum and minimum motor current.
Allows setting the nominal supply voltage.
Sets warning/trip limits for under/over-voltage in % of nominal voltage.
Sets warning and trip limits for current unbalance.
Sets warning/trip limits for starting capacitor capacity.
Sets warning/trip limits for run capacitor capacity.
Sets warning and trip limits for insulation resistance to earth.
Sets the trip limits for the power factor (cos φ).
Sets the warning limits for the power factor (cos φ).
Sets supply mains: 1-phase or 3-phase (earthed/non-earthed).
Selects IEC trip class (1-45) and trip delay, including class "P".
Sets trip delay for conditions other than overload.
Sets the factor for external current transformers.
Sets delay before trip relay activation after voltage applied.
Configures automatic or manual restarting after tripping.
Sets time for automatic restart attempts after fault clears.
Enables or disables Tempcon sensor for temperature monitoring.
Enables or disables Pt sensor for temperature monitoring.
Enables or disables insulation resistance measurement.
Enables or disables the PTC/thermal switch input.
Selects which trip counters (all, hours, starts, energy) to reset.
Sets service warning thresholds for operating hours and starts.
Sets limit for automatic restarts within a 24-hour period.
Configures units (SI/US) and display indication (current, Tempcon, Pt).
Configures cos φ and warning display on the MP 204.
Assigns a unique ID number for GENIbus network connection.
Explains learning function operation and automatic disabling after measurements.
Illustrates connecting multiple MP 204 units in a GENIbus network.
Describes industrial pump use of PTC/thermal switches and IEC trip classes.
Discusses trip class "P" and cabling for submersible pumps to avoid interference.
Details trip class recommendations and sensor connections for wastewater pumps.
Illustrates curves for trip class "P" showing overload trip behavior.
Example of setting trip class "P" and trip delay for motor protection.
Presents IEC trip curves for various classes (5, 10, 20, 30, 45).
Shows how to use IEC trip curves for determining trip time based on current.
Specifies operating/storage temperatures, humidity, and electrical data.
Details relay specifications and input parameters for PTC/Pt sensors.
Explains insulation resistance measurement and test voltage calculation.
Lists measured parameters, their ranges, accuracy, and resolution.
Lists settable parameters, their ranges, and resolution.
Lists fault codes, type (trip/warning), and cause of the fault.
Provides instructions for the environmentally sound disposal of the product.
Shows a diagram with dimensions (A-F) of the MP 204 unit in mm.
Lists contact addresses and phone numbers for Grundfos offices worldwide.
Mentions Grundfos trademarks and the company website address.
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