Grundfos MAGNA1 C Series Installation And Operating Instructions Manual
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Grundfos MAGNA1 C Series Installation And Operating Instructions Manual

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GRUNDFOS INSTRUCTIONS
New MAGNA1
Model C
Installation and operating instructions

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Summary of Contents for Grundfos MAGNA1 C Series

  • Page 1 GRUNDFOS INSTRUCTIONS New MAGNA1 Model C Installation and operating instructions...

  • Page 2: Table Of Contents

    8.4 Communication, control and monitoring Fault finding the product 9.1 Grundfos Eye operating status 9.2 Resetting a fault indication 9.3 Reading out warning and alarm codes in Grundfos GO Remote 9.4 Fault finding table 9.5 Warning 77, twin-head pump 10. Technical data 11.

  • Page 3: Notes

    1.2 Notes 2. Receiving the product The symbols and notes below may appear in Grundfos 2.1 Inspecting the product installation and operating instructions, safety instructions and Check that the product is in accordance with the order. service instructions. Check that the voltage and frequency of the product match the voltage and frequency of the installation site.

  • Page 4: Lifting The Product

    2.2.3 Terminal-connected single-head pump 2.3 Lifting 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. For large pumps, it may be necessary to use lifting equipment. Position the lifting straps as illustrated in fig.

  • Page 5: Installing The Product

    3. Installing the product 3.3 Insulating shells Insulating shells limit the heat loss from the pump housing and 3.1 Location pipes. Insulating shells are available for single-head pumps only. The pump is designed for indoor installation. 3.3.1 Heating systems Always install the pump in an dry environment where it will not be exposed to drops or splashes, for example water, from surrounding equipment or structures.

  • Page 6: Mechanical Installation

    3.4 Mechanical installation Install the pump so that it is not stressed by the pipes. For maximum permissible forces and moments from pipe connections acting on the pump flanges, see page 40. You can suspend the pump directly in the pipes, provided that the pipes support the pump.
  • Page 7 Always install the pump with horizontal motor shaft. To ensure adequate cooling, make sure that the control box is in horizontal position with the Grundfos logo in vertical position. See • Pump installed correctly in a vertical pipe. See fig. 10, pos. A.
  • Page 8 3.4.3 Pump head position Check the position of the clamp before you tighten it. If you remove the pump head before installing the pump in the Incorrect position of the clamp will cause leakage pipes, pay special attention when fitting the pump head to the from the pump and damage the hydraulic parts in the pump housing: pump head.
  • Page 9 Insulating shells for pumps in air-conditioning Place the control and cooling box in horizontal systems must be position so that the ordered separately. Grundfos logo is in vertical position. The motor shaft must be in horizontal position.

  • Page 10: Electrical Connection

    3.5 Electrical connection Carry out the electrical connection and protection according to local regulations. Check that the supply voltage and frequency correspond to the values stated on the nameplate. WARNING Electric shock Death or serious personal injury - Lock the main switch in position 0. Type and requirements as specified in EN 60204-1, 5.3.2.
  • Page 11 3.5.2 Wiring diagrams External switch RCD/RCCB Fuse Fig. 16 Example of a plug-connected motor with a main switch, backup fuse and additional protection External switch Fuse RCD/RCCB Fig. 17 Example of a mains-connected motor with a main switch, backup fuse and additional protection Fig.
  • Page 12 3.5.3 Connection to the power supply, plug-connected Step Action Illustration versions Step Action Illustration Max. 1.5 mm Insert the power Fit the cable gland supply plug into 12 mm and plug cover to the male plug in the cable. Strip the Ø...
  • Page 13 3.5.4 Connection to the power supply, terminal-connected Step Action Illustration version Step Action Illustration Connect the Remove the cable front cover from conductors to the control box. the power Do not remove supply plug. the screws from the cover. Locate the power supply plug and cable gland in the...
  • Page 14 3.5.5 Connecting the digital input 3.5.6 Connecting the fault relay output Step Action Illustration Step Action Illustration Remove the front Remove the front cover from the cover from the control box. control box. Do not remove the Do not remove the screws from the screws from the cover.

  • Page 15: Starting Up The Product

    4. Starting up the product 4.1 Single-head pump In order to protect the electronics, the number of starts and stops must not exceed four times per hour. Do not start the pump until the system has been filled with liquid and vented.

  • Page 16: Twin-Head Pump

    The pumps are paired from factory. When switching on the power button on any of supply, the heads will establish connection, which is indicated by the two pump a green light in the centre of Grundfos Eye. Please allow heads for 5 approximately 5 seconds for this to happen. seconds.

  • Page 17: Handling And Storing The Product

    If further dilution of the supplied glycol is 6.1 Product description required, follow the glycol supplier's instructions. Grundfos MAGNA1 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...

  • Page 18: Identification

    6.5 Radio communication Energy Efficiency Index, EEI MAGNA1 single-head pumps are designed for infrared Part, according to EEI communication (IR) with Grundfos GO Remote, while MAGNA1 twin-head pumps can also communicate via radio. Temperature class Minimum current [A] 6.6 Non-return valve...

  • Page 19: Closed Valve Operation

    MAGNA1 pumps can operate at any speed against a closed valve pump heads of a twin-head pump is removed for service to for several days without damage to the pump. However, Grundfos enable uninterrupted operation of the other pump. recommends to operate at the lowest possible speed curve to minimize energy losses.

  • Page 20: Control Functions

    Proportional-pressure control adjusts the pump performance to the actual flow rate demand in the system, but the pump In order to communicate with Grundfos GO Remote via infrared, performance follows the selected performance curve, PP1, PP2 you need an add-on module. Two variants are available as or PP3.

  • Page 21: Overview Of The Control Functions

    7.4 Overview of the control functions Fig. 29 Control function in relation to system requirements Setting Pump curve Function The duty point of the pump will move up or down on the lowest proportional-pressure curve, Lowest proportional-pressure depending on the flow rate demand. curve The head is reduced at falling flow rate demand and increased at rising flow rate demand.

  • Page 22: Selecting Control Function

    7.5 Selecting control function System application Select this control mode Systems with relatively large pressure losses in the distribution pipes and in air-conditioning and cooling systems. • Two-pipe heating systems with thermostatic valves and the following: – very long distribution pipes Proportional pressure –...

  • Page 23: Setting The Product

    Constant curve III Fig. 30 Operating panel The operating panel on the pump comprises the following: Constant curve II Pos. Description Infrared receiver for Grundfos GO. Plug-connected versions. Constant curve I Grundfos Eye. See section 9.1 Grundfos Eye operating status.
  • Page 24 - none of the level indicators lights up. For instructions on how to connect the pump to Grundfos GO Remote, see section 8.3 Connecting the pump to Grundfos GO Remote. Choose "Setpoint" in the "Settings"...

  • Page 25: Connecting The Pump To Grundfos Go Remote

    Grundfos GO add-on module and your smart device. See the separate installation and operating instructions. 2. Open the Grundfos GO Remote app and select either IR or radio communication depending on the pump type and chosen communication method. Make sure to point Grundfos GO at the receiver placed left or right to Grundfos Eye depending on your pump model.
  • Page 26 Fig. 35 "Alarms and warnings" menu with alarm For more information on warnings and alarms, see section 9. Fault finding the product. You can also reach the menu by tapping Grundfos Eye on the dashboard, see pos. 2, fig. 32.

  • Page 27: Communication, Control And Monitoring

    Made in Germany XXXX To use the digital input, connect the control wires to terminals Grundfos Holding A/S, DK - 8850 Bjerringbro, Denmark Start/Stop (S/S) and frame ( ). If no external on and off switch is connected, maintain the jumper between terminals Start/Stop (S/S) and frame ( ).This connection is the factory...

  • Page 28: Fault Finding The Product

    9. Fault finding the product 9.1 Grundfos Eye operating status Grundfos Eye is on when you switch on the power supply. Grundfos Eye is an indicator light providing information about the actual pump status. A fault is indicated by a yellow or red indicator light in Grundfos Eye on the operating panel and in Grundfos GO Remote.

  • Page 29: Resetting A Fault Indication

    When connecting Grundfos GO Remote to a multipump setup and choosing "system view", Grundfos GO Remote will indicate To read out alarm codes and text, connect the pump to Grundfos the system's operating status and not the status of the pump GO Remote and navigate to the "Alarms and warnings"...

  • Page 30: Fault Finding Table

    (29) "Forced pumping". Switch off the pump on the main switch. If the light in Other pumps or sources force Grundfos Eye is on, the pump is running in forced-pumping "Forced pumping" (29) flow through the pump even if mode.

  • Page 31: Warning 77, Twin-Head Pump

    It is possible to choose whether warning 77 should trigger the setting is fault relay or not. This is done in Grundfos GO. For instructions activated. on how to connect the pump to Grundfos GO, see section To disable the 8.3 Connecting the pump to Grundfos GO...

  • Page 32: Technical Data

    10. Technical data Liquid temperature Supply voltage Single-head pumps 75 °C 95 °C 110 °C 1 x 230 V ± 10 %, 50/60 Hz, PE. Inlet pressure Motor protection [bar] / [MPa] The pump requires no external motor protection. 25-40/60/80/100/120 0.10 / 0.01 0.35 / 0.035 1.0 / 0.10 Enclosure class 32-40/60/80/100/120...

  • Page 33: Disposing Of The Product

    5 % depositing. Dispose of this product or parts of it in an environmentally sound way according to local regulations. See also end-of-life information on www.grundfos.com/product-recycling. WARNING Magnetic field Death or serious personal injury - Persons with pacemakers disassembling this product must exercise care when handling the magnetic materials embedded in the rotor.
  • Page 34 Appendix 1. Dimensions, threaded versions Fig. 1 Single-head pump dimensions, threaded version Dimensions [mm] [inch] Pump type MAGNA1 25-40 (N) 1 1/2 MAGNA1 25-60 (N) 1 1/2 MAGNA1 25-80 (N) 1 1/2 MAGNA1 25-100 (N) 1 1/2 MAGNA1 25-120 (N) 1 1/2 MAGNA1 32-40 (N) MAGNA1 32-60 (N)
  • Page 35 2. Dimensions, flanged versions Dimensions [mm] [inch] Pump type MAGNA1 D 32-40 MAGNA1 D 32-60 MAGNA1 D 32-80 MAGNA1 D 32-100 Fig. 3 Single-head pump dimensions, plug-connected versions, flanged version Dimensions [mm] Pump type MAGNA1 32-40 F (N) 90/100 140 14/19 MAGNA1 32-60 F (N) 90/100 140 14/19...
  • Page 36 P N 6 P N 1 0 / 1 6 Fig. 4 Single-head pump dimensions, terminal-connected versions, flanged version Dimensions [mm] Pump type MAGNA1 32-120 F (N) 90/100 140 14/19 MAGNA1 40-80 F (N) 100/110 150 14/19 MAGNA1 40-100 F (N) 100/110 150 14/19 MAGNA1 40-120 F (N)
  • Page 37 Fig. 5 Twin-head pump dimensions, plug-connected versions, flanged version Dimensions [mm] Pump type L7 B1 MAGNA1 D 130 260 69 142 211 90/100 14/19 12 32-40 F MAGNA1 D 130 260 69 142 211 90/100 14/19 12 32-60 F MAGNA1 D 130 260 69 142 211 90/100 14/19 12...
  • Page 38 Fig. 6 Twin-head pump dimensions, terminal-connected versions, flanged version Dimensions [mm] Pump type L7 B1 B3 MAGNA1 D 204 50 84 502 210 294 130 260 300 368 90/100 140 14/19 12 32-120 F MAGNA1 D 204 15 84 502 210 294 130 260 303 379 100/110 150 14/19 12...
  • Page 39 Dimensions [mm] Pump type L7 B1 B3 MAGNA1 D 102 204 84 538 244 294 130 260 318 415 128 150/160 200 80-100 F MAGNA1 D 102 204 84 538 244 294 130 260 318 415 128 150/160 200 80-120 F MAGNA1 D 147 204 84 551 252 299 135 270 103 330 434 100 160...
  • Page 40 3. Forces and moments Maximum permissible forces and moments from the pipe connections acting on the pump flanges are indicated in fig 7. Fig. 7 Forces and moments from the pipe connections acting on the pump flanges Force Moment [Nm] ΣFb ΣMb Diameter DN...
  • Page 41 Unit 1, Ground floor 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...
  • Page 42 99209952 0618 ECM: 1226130 www.grundfos.com...

This manual is also suitable for:

Magna1 25-40 nMagna1 25-80 nMagna1 25-100 nMagna1 25-60 nMagna1 25-120 nMagna1 32-60 n ... Show all

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