Grundfos MP 204 Installation And Operating Instructions Manual
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Grundfos MP 204 Installation And Operating Instructions Manual

Control cabinet range
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GRUNDFOS INSTRUCTIONS
Control MP 204 cabinet range
Installation and operating instructions

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Summary of Contents for Grundfos MP 204

  • Page 1 GRUNDFOS INSTRUCTIONS Control MP 204 cabinet range Installation and operating instructions...

  • Page 2: Table Of Contents

    Original installation and operating instructions. 1. Limited warranty Products manufactured by GRUNDFOS PUMPS CORPORATION CONTENTS (Grundfos) are warranted to the original user only to be free of Page defects in material and workmanship for a period of 24 months Limited warranty from date of installation, but not more than 30 months from date of manufacture.

  • Page 3: Scope Of These Instructions

    Further documentation supplied with the Control MP 204 cabinet range The power supply to the MP 204 is in parallel with the supply to the motor. Motor currents up to 120 A are passed directly through – Safety instructions for MP 204 the MP 204.

  • Page 4: Identification

    XXXX Made in Type UL enclosure rating (Standard is UL Type 3R enclosure rating) Weight in pounds Approval Fig. 1 Control MP 204 electrical cabinet nameplate 6.2 Type key Example Control MP 204 1-1.6 ACL IEC 3 x 460 Type 3R...

  • Page 5: Product Overview

    1x28-34A SST IEC 3 x 460 stable measured values. Control MP 204 The MP 204 unit is the central unit in the electrical cabinet and 1x34-43A SST IEC 3 x 460 this is the unit that provides the motor protection for the given 1x43-53A SST IEC 3 x 460 motor.

  • Page 6: Electrical Installation

    Electrical installation 10.1 Electrical connection 10.1.1 Overview Pos. 2 Pos. 3 Pos. 1 MP 204 Pos. 7 Pos. 4 Pos. 5 Pos. 6 Fig. 3 Terminals Fig. 2 Cable entries Pos. Designation Three-phase connection Single-phase connection Cable Entry for phase L1 to motor Entry for neutral Max.

  • Page 7: Input For Pt100/Pt1000

    10.2 Input for Pt100/Pt1000 10.4 Back-up fuses See fig. 3, pos. 5. Maximum back-up fuse sizes which may be used for the MP 204 appear from the table below: Terminal Description designation Max. size MP 204 Type Resistance input. Without external current Correction for lead resistance.

  • Page 8: Wiring Diagrams

    If larger back-up fuses are used, the voltage to the L1, L2 and L3 must be protected separately. A maximum of 10 A or less is recommended. Max. 10 A MP 204 Pt100 Pt100/Pt1000 Fig. 5 Three-phase connection...
  • Page 9 10.5.2 Three-phase system with external current transformers Max. 10 A MP 204 Pt100/Pt1000 Pt100 Fig. 6 Three-phase connection with current transformers Fig. 7 Five windings per phase through the MP 204...
  • Page 10 10.5.3 Single-phase system with starting and run capacitors start MP 204 Pt100 Pt100/Pt1000 Fig. 8 Single-phase connection...

  • Page 11: External Current Transformers

    Fit the transformers as shown in fig. 9. Take the three measuring cables through the Note Note three holes in the MP 204 five times per phase. See fig. 10. The three current transformers must be fitted in Note...

  • Page 12: Function

    Indication of temperature in °F or °C (user selection) Power-on delay: 5 seconds. • 4-digit, 7-segment display Learning function: Active. • Setting and status reading with the R100 or Grundfos GO Active trip limits • Setting and status reading via the GENIbus. Overload according to class Tripping conditions Underload: - 40 % •...

  • Page 13: Operation

    12. Operation 12.1 Startup Trip code (flashing) A basic setting of the MP 204 can be made on the control panel. Additional functions must be set with the R100 remote control, Grundfos GO or PC Tool Water Utility. 12.1.1 General information Warning code no.

  • Page 14: Setting On Control Panel

    ] and [ ] buttons simultaneously for a minimum of 5 seconds to place the MP 204 in the programming mode. When the display shows "..", the buttons can be released. The set value, e.g. "4.9 A", appears. The unit symbol "A" is flashing.

  • Page 15: Learning Function

    ] buttons for a minimum of 10 seconds. The dot in the right side of the display is flashing. The MP 204 is waiting for current to pass through the unit for a minimum of 120 seconds. Then the phase sequence is measured and stored.

  • Page 16: Submersible Pumps

    MP 204. Wastewater pumps may also be connected to a Pt100/Pt1000 sensor. The sensor can also be connected direct to the MP 204. The Pt100/Pt1000 can be activated with the R100, Grundfos GO, or the PC Tool Water Utility.

  • Page 17: Curves

    10 A. The MP 204 trips after 900 ms. Figure 15, curve 2: The pump has a normal start-up time, and the current exceeds 10 A only briefly (< 900 ms). The MP 204 does not trip. The curves are examples and cannot be used for Note Note readings.

  • Page 18: Iec Trip Curves

    Set the MP 204 to IEC trip class 20. • Set the overload limit to 10 A (the rated motor current is stated on the nameplate). At a motor current of 22.5 A (10 x 2.25), the MP 204 trips after approximately 170 seconds.

  • Page 19: Fault Finding

    Wrong phase sequence Service warning Communication alarm for main system Commanded trip (not in alarm log) Low insulation resistance Too many starts per hour The motor is operating even if the MP 204 is tripped Overvoltage Undervoltage Overload Underload Overtemperature, Tempcon measurement...

  • Page 20: Technical Data

    Refer to the electrical cabinet wiring diagram. Equivalent external load 2.2 kΩ For MP 204 electrical data refer to the manual for the MP 204 Input filter time 41 ± 7 ms unit. Input for Pt100/Pt1000 sensor 15.2 Approvals and standards...

  • Page 21: Measuring Ranges

    This product or parts of it must be disposed of in an environmentally sound way: 1. Use the public or private waste collection service. 2. If this is not possible, contact the nearest Grundfos company or service workshop. Subject to alterations.
  • Page 22 Appendix Dimensions [in. (mm)] 6.46 (164) 4.57 (116) 5.00 (127) 5.52 (140) 2.49 (63) 5.95 (151) All dimensions are [in. (mm)].
  • Page 23 [in. (mm)] 17.53 (446) 16.00 (407) 14.54 (370) 14.00 (356) 12.23 (311) 14.25 (362) 16.74 (426) 16.73 (425) 5.00 (127) All dimensions are [in. (mm)].
  • Page 24 MPL: MPLAE1080 550 x 570 554.5 488 x 31 x 84 488 x 31 x 84 K4 K8 K10 550 x 31 x 84 Fig. 1 Wiring diagram example for power connection and sensors with terminal numbers...
  • Page 25 GRUNDFOS Canada GRUNDFOS México GRUNDFOS Kansas City 2941 Brighton Road Boulevard TLC No. 15 17100 West 118th Terrace Oakville, Ontario L6H 6C9 Canada Parque Industrial Stiva Aeropuerto Olathe, Kansas 66061 Phone: +1-905 829 9533 C.P. 66600 Apodaca, N.L. México Phone: (913) 227-3400...
  • Page 26 98698346 0215 ECM: 1137243 www.grundfos.com www.grundfos.us...

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