Grundfos MAGNA3 25-60 (N) Installation And Operating Instructions Manual
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Grundfos MAGNA3 25-60 (N) Installation And Operating Instructions Manual

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GRUNDFOS INSTRUCTIONS
MAGNA3
Installation and operating instructions

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Summary of Contents for Grundfos MAGNA3 25-60 (N)

  • Page 1 GRUNDFOS INSTRUCTIONS MAGNA3 Installation and operating instructions...

  • Page 2: Table Of Contents

    Servicing the product Differential-pressure and temperature sensor External sensor condition Fault finding the product Notes or instructions that make the work easier and 10.1 Grundfos Eye operating indications ensure safe operation. 10.2 Fault finding Accessories 11.1 Grundfos GO 11.2 Communication interface module, CIM...

  • Page 3: Safety Symbols On The Pump

    1.2 Safety symbols on the pump 2.2.2 Plug-connected twin-head pump Check the position of the clamp before you tighten the clamp. Incorrect position of the clamp will cause leakage from the pump and damage the hydraulic parts in the pump head. Fit and tighten the screw that holds the clamp to 8 Nm ±...

  • Page 4: Lifting The Pump

    2.3 Lifting the pump 3. Installing the product Observe local regulations concerning limits for manual lifting or handling. Always lift directly on the pump head or the cooling fins when handling the pump. See fig. 5. 3.1 Location For large pumps, it may be necessary to use lifting equipment. The pump is designed for indoor installation.

  • Page 5: Mechanical Installation

    3.3 Mechanical installation 3.4 Positioning the pump The pump range includes both flanged and threaded versions. Always install the pump with horizontal motor shaft. These installation and operating instructions apply to both • Pump installed correctly in a vertical pipe. See fig. 8, pos. A. versions, but give a general description of flanged versions.

  • Page 6: Control Box Positions

    To ensure adequate cooling, make sure that the control box is in If you remove the pump head before installing the pump in the horizontal position with the Grundfos logo in vertical position. See pipes, pay special attention when fitting the pump head to the fig.

  • Page 7: Changing The Control Box Position

    Place the control box in Fit the insulating shells. horizontal position so that the The insulating shells for Grundfos logo is in vertical pumps in air-conditioning and position. The motor shaft cooling systems must be must be in horizontal ordered separately.

  • Page 8: Electrical Installation

    As an alternative to insulating shells, you can insulate the pump 3.8 Electrical installation housing and pipes as illustrated in fig. 14. Do not insulate the control box or cover the control panel. Carry out the electrical connection and protection according to local regulations.

  • Page 9: Connecting The Power Supply

    3.9 Connecting the power supply Step Action Illustration Terminal-connected versions Step Action Illustration Remove the front Insert the power cover from the supply plug into the control box. male plug in the Do not remove the pump control box. screws from the cover.
  • Page 10 Plug-connected versions Step Action Illustration Assembling the plug Step Action Illustration Max. 1.5 mm Fit the cable gland Insert the power 12 mm and plug cover to supply plug into the cable. Strip the the male plug in Ø 5.5 - 10 mm cable conductors the pump control 7 mm...
  • Page 11 3.9.1 Connection diagram External switch Fuse RCD/RCCB Fig. 15 Example of terminal-connected motor with main switch, backup fuse and additional protection External switch Fuse RCD/RCCB Fig. 16 Example of plug-connected motor with main switch, backup fuse and additional protection Make sure that the fuse is dimensioned according to the nameplate and local legislation.

  • Page 12: Starting Up The Product

    4. Starting up the product 4.1 Single-head pump The number of starts and stops via the power supply must not exceed four times per hour. Do not start the pump until the system has been filled with liquid and vented. Furthermore, the required minimum inlet pressure must be available at the pump inlet.

  • Page 13: Twin-Head Pump

    4.2 Twin-head pump 6. Product introduction MAGNA3 is a complete range of circulator pumps with integrated controller enabling adjustment of pump performance to the actual system requirements. In many systems, this reduces the power consumption considerably, reduces noise from thermostatic Fig.

  • Page 14: Identification

    6.2.1 Glycol 6.3 Identification You can use the pump for pumping water-ethylene-glycol 6.3.1 Nameplate mixtures up to 50 %. Example of a water-ethylene-glycol mixture: Maximum viscosity: 50 cSt ~ 50 % water / 50 % ethylene-glycol mixture at -10 °C. The pump has a power-limiting function that protects it against overload.

  • Page 15: Model Type

    This pump incorporates a radio for remote control. If a non-return valve is fitted in the pipe system, make sure that The pump can communicate with Grundfos GO and with other the set minimum outlet pressure of the pump is always higher MAGNA3 pumps of the same type via the built-in radio.

  • Page 16: Control Functions

    7. Control functions 7.1 Overview of settings You can make all settings on the pump control panel or with Grundfos GO. Menu Submenu Further information See section " " 8.6.1 " ". See section " " 8.6.2 " ". • "...

  • Page 17: External Connections

    7.2 External connections Pos. 3 Max. Max. 24 V DC 250 V AC 22 mA 2 A AC1 Signal Min. 0 - 10 V DC 5 V DC 20 mA Signal 4 - 20 mA Pos. 2 NC N0 C Pos.

  • Page 18: Input And Output Communication

    Example: If the pump has been forced to stop via an external Connect the cable screen to earth via the digital-input signal, the control panel or Grundfos GO can only set the pump to terminal. See fig. 25. maximum curve.
  • Page 19 7.4.2 Digital inputs Relay 1 Relay 2 See fig. 25, pos. 2. You can use the digital input for external control of start-stop or NC NO C NC NO C forced maximum or minimum curve. If no external on-off switch is connected, the jumper between terminals start-stop (S/S) and frame ( ) must be maintained.
  • Page 20 If the pump is installed in the return pipe of the system, you can use the internal temperature sensor. You can change the sensor type, 0-10 V or 4-20 mA, on the control panel or with Grundfos GO. Fig. 32 Examples of external signal for the control via BMS or signal...

  • Page 21: Setting The Product

    8. Setting the product Select this control System application mode Recommended for most heating systems, especially in systems with relatively large pressure losses in the AUTO ADAPT distribution pipes. See the description under proportional pressure. In replacement situations where the proportional-pressure duty point is unknown. The duty point has to be within the AUTO operating range.
  • Page 22 Select this control System application mode If an external controller is installed, the pump is able to change from one constant curve to another, depending Constant curve on the value of the external signal. You can also set the pump to operate according to the maximum or minimum curve, like an uncontrolled pump: •...

  • Page 23: Operating The Product

    8.1 Operating the product 8.2 " " menu CAUTION Hot surface Minor or moderate personal injury - At high liquid temperatures, the pump housing may be so hot that only the control panel should be touched to avoid burns. Navigation "...

  • Page 24: Menu Overview

    8.3 Menu overview " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " "...
  • Page 25 " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " "...

  • Page 26: Menu

    menu 8.6 " " menu Navigation Navigation " " > " " > " " Press and go to the menu with Press and go to the " " menu with menu " " menu This menu offers the following status information: This menu offers the following setting options: •...
  • Page 27 8.6.2 " " 8.6.3 " " Navigation Navigation " " > " " > " " " " > " " > " " " " " " • " " • " " The pump runs according to the selected control mode. •...
  • Page 28 " " " " The AUTO control mode continuously adapts the pump The head is reduced at decreasing flow demand and increased at ADAPT performance according to the actual system characteristic. rising flow demand. See fig. 37. Manual setting of the setpoint is not possible. You can set the setpoint with an accuracy of 0.1 metre.
  • Page 29 " " This control mode ensures a constant temperature. Constant temperature is a comfort control mode that you can use in domestic hot-water systems to control the flow to maintain a fixed temperature in the system. See fig. 39. When you use this control mode, do not install any balancing valves in the system.
  • Page 30 Use Grundfos GO to change the controller constants, gain and integral time. You can only set positive values. Model B and C: Change the control settings by means of the display or Grundfos GO. You can set both positive and negative values.
  • Page 31 8.6.5 " " 8.6.6 " " Navigation Navigation " " > " " > " " " " > " " > " " "FLOW " " " LIMIT • " " To enable the function, select " " with and press [OK].
  • Page 32 8.6.7 " " 8.6.8 " " In this menu, you can set an analog input such as a temperature sensor to activate the heat-energy-monitor function. See fig. 57. Navigation " " > " " > " " " " Navigation •...

  • Page 33: Setting Values For Control Modes

    8.7 Setting values for control modes The setting values for FLOW and FLOW are indicated ADAPT LIMIT as percent of maximum flow, but you must enter the value in m in the " " menu. The maximum flow is a theoretical value corresponding to H is equal to 0.
  • Page 34 8.7.1 " " " " When this function is enabled in proportional- or constant-pressure control mode, the setpoint for head is reduced according to the liquid temperature. You can set the temperature influence to function at liquid temperatures below 80 or 50 °C. These temperature limits are called T .
  • Page 35 8.7.2 " " 8.7.3 " " " " Navigation " " > " " > " " Navigation " " > " " > " " > " " "Bus communication" • " " " " • " " The display can be shown in any of the following languages: •...
  • Page 36 In this menu you can select between SI and US units. The setting " " can be made generally for all parameters or customised for each individual parameter. • " " • " " • " " • " " •...
  • Page 37 " " " " • " " • " " • " ". In this menu, you can delete data from the pump, for example if the pump is moved to another system or if new data are required due to changes to the system. Setting: 1.

  • Page 38: Menu

    " " 8.8 " " menu Navigation Navigation " " > " " > " " > " " " " > " " Press and go to the " " menu with " " 1. Press [OK]. " " menu 2.
  • Page 39 S/N: XXXXXXXX XXXX XXXX Model: Made in Germany XXXX Grundfos Holding A/S, DK - 8850 Bjerringbro, Denmark Navigation I is defined as master. " " > " " > " " Fig. 52 Identify the master pump on a twin-head pump 1.
  • Page 40 " " 8.8.5 " " This menu guides you through the setup of the analog inputs, for example a temperature sensor input to a heat energy monitor. Fig. 55 " " Cascade operation ensures that the pump performance is automatically adapted to the consumption by switching pumps on or off.

  • Page 41: External Setpoint Influence

    Example: " " Max. Min. Navigation " " > > " " > " " Qmax " " Fig. 58 Q You can measure both heating and cooling in the same system. If a system is used for both heating and cooling, two counters are 1.

  • Page 42: Wireless Geniair

    The pump is designed for multipump connection via the wireless GENIair connection. The built-in wireless GENIair module 8.13 " " enables communication between pumps and with Grundfos GO without the use of add-on modules: This menu gives guidance and corrective actions in case of pump failures.

  • Page 43: Servicing The Product

    9. Servicing the product Before dismantling WARNING Electric shock Death or serious personal injury. - Make sure that other pumps or sources do not force flow through the pump even if the pump is stopped. This will cause the motor to act like a generator, resulting in voltage on the pump.

  • Page 44: Fault Finding The Product

    The pump is currently being accessed by permanently on in addition to another indication. Grundfos GO. Signals from Grundfos Eye The operating condition of the pump is indicated by Grundfos Eye on the control panel when it communicates with a remote control. Indication Description...

  • Page 45: Fault Finding

    10.2 Fault finding Reset a fault indication in one of the following ways: • When you have eliminated the fault cause, the pump reverts to normal duty. • If the fault disappears by itself, the fault indication is automatically reset. •...
  • Page 46 "Alarm" electronics. operation. See code (29) " ". Switch off the pump on the main switch. If the light in Grundfos Eye is on, the pump is running Other pumps or sources force in forced-pumping mode. " " (29) flow through the pump even if Check the system for defective non-return "Alarm"...

  • Page 47: Accessories

    The radio communication between the pump and Grundfos GO is encrypted to protect against misuse. Grundfos GO is available in Apple App Store and Google Play. Grundfos GO replaces the Grundfos R100 remote control. This means that all products supported by R100 are now supported by Fig.
  • Page 48 11.2.1 Description of communication interface modules Fieldbus Module Description Functions protocol CIM 050 CIM 050 is a Grundfos communication interface module used for CIM 050 has terminals for the GENIbus GENIbus communication with a GENIbus connection. network. CIM 100 CIM 100 has terminals for the LonWorks connection.
  • Page 49 CIM 270 your account anywhere, anytime when you have an internet connection, for example via CIM 270 is a Grundfos GSM or GPRS a smartphone, tablet PC, laptop or modem used for communication with a computer. Warnings and alarms can be sent...
  • Page 50 11.2.2 Installing a communication interface module WARNING WARNING Electric shock Electric shock Death or serious personal injury. Death or serious personal injury. - Make sure that other pumps or sources do not - Switch off the power supply for at least 3 minutes force flow through the pump even if the pump is before you start any work on the product.
  • Page 51 The system only requires an internet connection, a web browser, a Grundfos Remote Management modem and an antenna as well as a contract with Grundfos allowing you to monitor and manage Grundfos pump systems. You have wireless access to your account anywhere, anytime when you have an internet connection, for example via a mobile device.

  • Page 52: Counterflanges

    [VDC] number [bar] 0 - 0.6 97748907 0 - 1.0 97748908 0 - 1.6 97748909 0 - 2.5 97748910 Pressure sensor Grundfos 4-20 12-30 G 1/2 0 - 4.0 97748921 0 - 6.0 97748922 0-12 97748923 0-16 97748924 11.5 Cable for sensors...

  • Page 53: Blanking Flange

    11.6 Blanking flange 12. Technical data A blanking flange is used to blank off the opening when one of the Supply voltage pump heads of a twin-head pump is removed for service to 1 x 230 V ± 10 %, 50/60 Hz, PE. enable uninterrupted operation of the other pump.

  • Page 54: Sensor Specifications

    Consumption when the pump is stopped 4 to 10 W, depending on activity, such as reading the display, use of Grundfos GO, interaction with modules. 4 W when the pump is stopped and there is no activity. Input and output communication External potential-free contact.
  • Page 55 Appendix Dimensions Dimensions, single-head pumps, threaded versions Fig. 1 Dimensions [mm] Pump type MAGNA3 25-40 (N) 1 1/2 MAGNA3 25-60 (N) 1 1/2 MAGNA3 25-80 (N) 1 1/2 MAGNA3 25-100 (N) 1 1/2 MAGNA3 25-120 (N) 1 1/2 MAGNA3 32-40 (N) MAGNA3 32-60 (N) MAGNA3 32-80 (N) MAGNA3 32-100 (N)
  • Page 56 Dimensions, single-head pumps, flanged versions Fig. 3 Dimensions [mm] Pump type MAGNA3 32-120 F (N) 90/100 14/19 MAGNA3 40-80 F (N) 100/110 14/19 MAGNA3 40-100 F (N) 100/110 14/19 MAGNA3 40-120 F (N) 100/110 14/19 MAGNA3 40-150 F (N) 100/110 14/19 MAGNA3 40-180 F (N) 100/110...
  • Page 57 Dimensions, twin-head pumps, threaded versions Fig. 4 Dimensions [mm] Pump type MAGNA3 D 32-40 MAGNA3 D 32-60 MAGNA3 D 32-80 MAGNA3 D 32-100 Dimensions, twin-head pumps, flanged versions Fig. 5 Dimensions [mm] Pump type D1 D2 MAGNA3 D 32-40 F 254 32 76 90/100 140 14/19 M12 Rp 1/4 MAGNA3 D 32-60 F 254 32 76 90/100 140 14/19 M12 Rp 1/4...
  • Page 58 Dimensions, twin-head pumps Fig. 6 Dimensions [mm] Pump type MAGNA3 D 40-120 F 84 512 220 294 130 260 100/110 150 14/19 Rp 1/4 MAGNA3 D 40-150 F 84 512 220 294 130 260 100/110 150 14/19 Rp 1/4 MAGNA3 D 40-180 F 84 512 220 294 130 260 100/110 150 14/19...
  • Page 59 1. Flange forces and moments Maximum permissible forces and moments from the pipe connections acting on the pump flanges or threaded connections are indicated in fig. 7. Forces and moments from the pipe connections acting on the pump flanges or threaded connections Fig.
  • Page 61 Norway Turkey Av. Humberto de Alencar Castelo Branco, Siu Wai Industrial Centre GRUNDFOS Pumper A/S GRUNDFOS POMPA San. ve Tic. Ltd. Sti. 29-33 Wing Hong Street & Strømsveien 344 Gebze Organize Sanayi Bölgesi CEP 09850 - 300 68 King Lam Street, Cheung Sha Wan...
  • Page 62 98091805 1216 ECM: 1199282 www.grundfos.com...

This manual is also suitable for:

Magna3 25-100 (n)Magna3 25-40 (n)Magna3 25-80 (n)Magna3 32-40 (n)Magna3 32-60 (n)Magna3 32-80 (n) ... Show all

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