Grundfos MAGNA3 D Installation And Operating Instructions Manual
  1. Manuals
  2. Brands
  3. Grundfos Manuals
  4. Water Pump
  5. MAGNA3 D
  6. Installation and operating instructions manual
Grundfos MAGNA3 D Installation And Operating Instructions Manual

Grundfos MAGNA3 D Installation And Operating Instructions Manual

Hide thumbs Also See for MAGNA3 D:
Table of Contents

Advertisement

Quick Links

Download this manual
GRUNDFOS INSTRUCTIONS
MAGNA3
Model D
Installation and operating instructions

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the MAGNA3 D and is the answer not in the manual?

Questions and answers

Related Manuals for Grundfos MAGNA3 D

Summary of Contents for Grundfos MAGNA3 D

  • Page 1 GRUNDFOS INSTRUCTIONS MAGNA3 Model D Installation and operating instructions...
  • Page 3 MAGNA3 English (US) Installation and operating instructions ............4...

  • Page 4: Table Of Contents

    Inspecting the product......6 12.1 Grundfos GO ......65 Scope of delivery .

  • Page 5: Limited Warranty

    Children shall not play with the appliance. products and not by Grundfos' warranty. Cleaning and user maintenance shall not be made by Grundfos will not be liable for damage or wear to products caused children without supervision. by abnormal operating conditions, accident, abuse, misuse,...

  • Page 6: Safety Symbols On The Pump

    2.3 Safety symbols on the pump 3.2.2 Terminal-connected twin-head pump Check the position of the clamp before you tighten it. 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 6 ±...

  • Page 7: Lifting The Pump

    Install pump and housing/cover around pump as weather protection. Housing/cover need to be installed separately and is not provided by Grundfos. • Ambient temperatures below 14 °F (-10 °C) is not permitted and below -4 °F (-20 °C) needs glycol mixture.

  • Page 8: Tools

    4.2 Tools 0.6 × 3.5 1.2 × 8.0 10 cm 10 cm 10 cm 10 cm 10 cm 10 cm 10 cm TX10 10 cm 10 cm 10 cm TX20 10 cm Minimum clearance around Single head pump 10 cm 10 cm 10 cm 10 cm...

  • Page 9: Insulating Shells

    To ensure adequate cooling of the motor and electronics, observe the following requirements: • Make sure that the control box is in horizontal position with the Grundfos logo in vertical position. See section Control box positions. Removing insulating shells from the pump •...

  • Page 10: Positioning The Pump

    4.5 Positioning the pump Step Action Illustration Always install the pump with a horizontal motor shaft. • Pump installed correctly in a vertical pipe. See figure (A). • Pump installed correctly in a horizontal pipe. See figure (B). • Do not install the pump with a vertical motor shaft. See figure (C and D).

  • Page 11: 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 pump figure below.

  • Page 12: Changing The Control Box Position

    Pressurized system Place the control box in Minor or moderate personal injury horizontal position so ‐ that the Grundfos logo is Pay special attention to any escaping vapor when in vertical position. The loosening the clamp. motor shaft must be in Fit and tighten the screw that holds the clamp to 6 ±...

  • Page 13: Electrical Installation

    4.9 Electrical installation Step Action Illustration 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 Warning Twin-head pump. Electric shock ‐ Position the clamps so Before starting any work on the product, make sure that the gaps point that the power supply has been switched off.
  • Page 14 4.9.1 Supply voltage 1 x 115-230 V ± 10 %, 60 Hz*, PE. Check that the supply voltage and frequency correspond to the values stated on the nameplate. The voltage tolerances are intended for mains-voltage variations. Do not use the voltage tolerances for running pumps at other voltages than those stated on the nameplate.

  • Page 15: Wiring Diagrams

    4.10 Wiring diagrams 4.10.1 Connections in the control box, terminal-connected versions Example of connections in the control box of terminal-connected versions Pos. Description Analog input Sensor Signal Digital input Relay 1 Relay 2 Power Operation Alarm Start/stop On/off timer GFCI Use C and NC for fault signals as this enables serial connections of more relays and detection of signal cable defects.
  • Page 16 4.10.2 Connection to power supply, wire-to-wire-connected motor Example of wire-to-wire-connected motor with main disconnect switch, backup fuse and additional protection Pos. Description External switch Fuse GFCI...
  • Page 17 4.10.3 Connections in the control box, wire-to-wire-connected motor Wiring diagram, models with wire-to-wire connections Pos. Description Analog input Digital input Relay 1 Relay 2 Sensor Signal Operation Alarm Use C and NC for fault signals as this enables serial connections of more relays and detection of signal cable defects.

  • Page 18: Connecting The Power Supply

    4.11 Connecting the power supply Step Action Illustration Step Action Illustration 115 V Connect the cable Remove the front conductors to the 230 V cover from the power supply plug. control box. Do not remove the screws from the cover. Insert the power Locate the power supply plug into...

  • Page 19: Connecting The External Control

    4.12 Connecting the external control Step Action Illustration Remove the front cover from the control box. Do not remove the screws from the cover. Locate the digital input terminal connector. Pull the cable through a M16 cable gland and one of the cable entries on the pump.

  • Page 20: Starting Up The Product

    5. Starting up the product 5.1 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 21 8.1 Quick overview of control modes 12.1 Grundfos GO 12.1 Grundfos GO 12.1 Grundfos GO...

  • Page 22: Twin-Head Pump

    5.2 Twin-head pump Related information • [TOPIC NOT IN MAP (empty topicContent)] href=reference-LBkpiX7.dita • [TOPIC NOT IN MAP (empty topicContent)] href=reference-WtvxQoP.dita • [TOPIC NOT IN MAP (empty topicContent)] href=concept-7uKmtsu.dita • [TOPIC NOT IN MAP (empty topicContent)] href=reference-LBkpiX7.dita • [TOPIC NOT IN MAP (empty topicContent)] href=reference-WtvxQoP.dita • [TOPIC NOT IN MAP (empty topicContent)] href=concept-7uKmtsu.dita 8.5.1 Multipump function...

  • Page 23: Handling And Storing The Product

    5.2.2 Configuring twin-head pumps If you replace a pump head of a twin-head pump, the twin-head Do not pump flammable, combustible or explosive liquids. pump will function as two single pumps until you have configured the pump heads and warning 77 is shown in the pump display. See figure above.

  • Page 24: Pump Heads In Twin-Head Pumps

    7.2.1 Glycol 7.3 Pump heads in twin-head pumps You can use the pump for pumping water-ethylene-glycol mixtures The twin-head pump housing has a flap valve on the outlet side. up to 50 %. The flap valve seals off the port of the idle pump housing to prevent Example of a water-ethylene-glycol mixture: the pumped liquid from running back to the inlet side.

  • Page 25: Identification

    For use with maximum 230 F water WARNING: Grundfos Holding A/S, USA - Fresno, California 93727 RISK OF ELECTRIC SHOCK. DE-ENERGIZE EQUIPMENT BEFORE REMOVAL OF COVER & SERVICING. FOR SUPPLY CONNECTION USE COPPER WIRE SUITABLE FOR 75°C OR EQUIVALENT. THIS PUMP HAS NOT BEEN INVESTIGATED FOR USE IN SWIMMING POOL OR MARINE AREAS.

  • Page 26: Radio Communication

    • Reorient or relocate the receiving antenna. MAGNA3 pumps can operate at any speed against a closed valve for several days without damage to the pump. However, Grundfos • Increase the separation between the equipment and receiver. recommends to operate at the lowest possible speed curve to •...

  • Page 27: Control Functions

    8. Control functions 8.1 Quick overview of control modes AUTOADAPT set1 For further information, • We recommend this control mode for most heating systems. see section 8.3.2 • During operation, the pump automatically makes the necessary AUTOADAPT adjustment to the actual system characteristic. auto_min set2 25 %...
  • Page 28 Constant flow Note: Available for pumps with production code from 1838. For further information, • The pump maintains a constant flow in the system independently of see section 8.3.8 the head. Constant flow It is not possible to use an external sensor, instead, the pump uses its internal sensor.

  • Page 29: Operating Modes

    8.2 Operating modes 8.3.2 AUTOADAPT We recommend the AUTOADAPT control mode for most heating Normal systems, especially in systems with relatively large pressure losses The pump runs according to the selected control mode. in the distribution pipes, and in replacement situations where the proportional-pressure duty point is unknown.
  • Page 30 8.3.3 FLOWADAPT 8.3.4 Proportional pressure The FLOWADAPT control mode combines AUTOADAPT and Proportional pressure is suitable in systems with relatively large FLOWLIMIT, meaning that the pump runs AUTOADAPT while at the pressure losses in the distribution pipes and in air-conditioning and same time ensuring that the flow never exceeds the entered cooling systems: FLOWLIMIT value.
  • Page 31 8.3.5 Constant pressure When you use this control mode, do not install any balancing valves in the system. A constant pressure is advantageous in systems with relatively The inverse control for cooling application is available from model small pressure losses in the distribution pipes: •...
  • Page 32 Technical specifications Constant flow rate 8.3.9 Constant curve Differential temperature A constant curve is suitable for systems where there is a demand for both constant flow and constant head, i.e.: Pos. Description • heating surfaces Δt • cooling surfaces • heating systems with 3-way valves Temperature sensor •...

  • Page 33: Additional Control Mode Features

    If the pump speed is set in the range between minimum and 8.4 Additional control mode features maximum, the power and pressure are limited when the pump is MAGNA3 offers additional features for the control modes to meet running on the maximum curve. This means that the maximum specific demands.
  • Page 34 8.4.2 Automatic night setback A night setback system is often integrated into a building management system (BMS), or as part of an equivalent electronic control system, which has a built-in timer. The feature is not beneficial in a room that has underfloor heating because of the regulating inertia of the underfloor heating.

  • Page 35: Multipump Modes

    GENIair module enables communication between pumps The calculated flow rate has a typical accuracy of ± 5 % of Q and with Grundfos GO without the use of add-on modules. See The less flow through the pump, the less accurate the reading will sections Servicing the product and Grundfos GO .

  • Page 36: External Connections

    The priority of the settings is as shown in the table below. Example: If the pump has been forced to stop via an external signal, the operating panel or Grundfos GO can only set the pump to maximum curve. Possible settings...

  • Page 37: Input And Output Communication

    8.9 Input and output communication 8.9.2 Relay outputs The pump has two signal relays with a potential-free changeover • Relay outputs contact for external fault indication. Alarm, ready and operating indication via signal relay. The two signal relays are protected by a relay cover. To access the •...
  • Page 38 You can set the function of the signal relay to "Alarm", "Ready" or The functions of the signal relays appear from the table below: "Operation" on the operating panel or with Grundfos GO. The relays can be used for outputs up to 250 V and 2 A.
  • Page 39 Pos. Description Start-stop Select the function of the digital input using the pump’s operating On-off timer panel or Grundfos GO. Digital input on twin-head pumps Contact symbol Function The Start/Stop input operates on system level, meaning that if the Maximum curve master pump head receives a stop signal, the system stops.
  • Page 40 If the pump is installed in the return pipe of the system, you can use the internal temperature sensor. Examples of external sensors You can change the sensor type, 0-10 V or 4-20 mA, on the operating panel or with Grundfos GO. Pos. Description Combined temperature and pressure sensor, Grundfos type RPI T2.
  • Page 41 8.9.5 Heat energy monitor 8.9.6 External setpoint function The heat energy monitor calculates the heat energy consumption You can use the analog input to influence the setpoint externally. within the system. The built-in flow estimation needed for the The external setpoint function can be used in two different ways: calculation has a typical accuracy of ±...

  • Page 42: Setting The Product

    "Linear with Stop" 9. Setting the product Note: Available for pumps with production code from 1838. CAUTION Here, if the input signal is below 10 %, the pump changes to Hot surface operating mode "Stop". If the input signal is increased above 15 %, Minor or moderate personal injury the operating mode is changed back to "Normal".

  • Page 43: Menu Structure

    9.2 Menu structure 9.3 Startup guide The pump incorporates a startup guide which is started at the first At first startup you are asked to choose a language after which a startup. After the startup guide, the four main menus appear in the startup guide helps you set the date and time.
  • Page 44 9.3.2 "Setting of pump" Related information • [TOPIC NOT IN MAP (empty topicContent)] href=concept-UKmIK3r.dita • [TOPIC NOT IN MAP (empty topicContent)] href=concept-vyuCkLW.dita • [TOPIC NOT IN MAP (empty topicRef)] href=task-xzjURgc.dita • [TOPIC NOT IN MAP (empty topicContent)] href=concept-UKmIK3r.dita • [TOPIC NOT IN MAP (empty topicContent)] href=concept-vyuCkLW.dita • [TOPIC NOT IN MAP (empty topicRef)] href=task-xzjURgc.dita...

  • Page 45: Menu Overview

    9.4 Menu overview "Home" Status "Settings" "Assist" Estimated Function of Forced "Home" Status "Settings" "Assist" flow analog input pumping Control Operating Application Volume Not active Undervoltage Setpoint mode status wizard Differential- Operating Operating log pressure Overvoltage Setpoint Operating mode Boiler pump mode, from control Estimated...
  • Page 46 Delete heat Multipump energy data profile selection Delete energy Compatibility consumption for models A, B, C Define Home display Generic Grundfos Select Home profile display type Automatic List of data General settings Graphical illustration Language Define Home Set date and...

  • Page 47: Home" Menu

    9.5 "Home" menu 9.5.1 Low-flow indication Note: Available for pumps with production code from 1838. The pump can experience low flow due to for example valves being Navigation shut. In cases where the flow is below 10 %, thus too low for the "Home"...

  • Page 48: Status Menu

    9.6 Status menu 9.6.1 "Heat energy monitor" Navigation Navigation "Home" > Status "Home" > Status > "Heat energy monitor" Press and go to the Status menu with The "Heat energy monitor" calculates the heat energy consumption within a system. For detailed information, see This menu offers status information on the following: section Heat energy monitor.

  • Page 49: Settings" Menu

    "Estimated flow" 9.7 "Settings" menu Navigation Navigation "Home" > "Settings" "Home" > Status > "Heat energy monitor" > "Estimated flow" Press and go to the "Settings" menu with The internal sensor estimates the difference in pressure between This menu offers the following options: the inlet and outlet ports of the pump.
  • Page 50 9.7.1 "Setpoint" 9.7.3 "Control mode" Navigation Navigation "Home" > "Settings" > "Control mode" "Home" > "Settings" > "Setpoint" Set the operating mode to "Normal" before you enable a Setting control mode. 1. Press [OK]. 2. Select digit with and adjust with This menu offers the following options: 3.
  • Page 51 30 + 5L - 0.5 reducing the gain or increasing the integral time. Change the control settings by means of the display or Grundfos GO. You can set both positive and negative values. Related information In heating systems, an increase in pump performance results in a rise in temperature at the sensor.
  • Page 52 9.7.5 " FLOW " 9.7.6 "Analog Input" LIMIT Navigation Navigation "Home" > "Settings" > " FLOW " "Home" > "Settings" > "Analog Input" LIMIT This menu offers the following options: This menu offers the following options: • Function of analog input •...
  • Page 53 9.7.7 "Relay outputs" 9.7.8 Operating range Navigation Navigation "Home" > "Settings" > "Relay outputs" "Home" > "Settings" > "Operating range" This menu offers the following options: This menu offers the following options: • Relay output 1 • Set min. speed •...
  • Page 54 Note: The analog input must be set to "External setpoint influence" the head as is the case with two-pipe heating systems. In such before the "External setpoint function" can be enabled. systems, you can only adjust the pump performance by enabling the temperature influence function.
  • Page 55 BMS. You enable this function by choosing "Automatic" in the display. "Generic Grundfos profile" overrules auto detection, and the Navigation pump runs as a MAGNA 3 from Model D and onwards. However, if "Home"...
  • Page 56 • Run start-up guide. "Language" Navigation "Home" > "Settings" > "General settings" > "Set date and time" This menu offers the following options: Navigation • Select date format "Home" > "Settings" > "General settings" > "Language" • Set date Setting •...
  • Page 57 • Differential temp. "Internal fault (157)" Navigation • Power "Home" > "Settings" > "General settings" > "Internal fault (157)" • Energy. Setting Setting, general 1. Select either "Enable" or "Disable" with and press [OK]. 1. Select "SI or US units" with and press [OK].
  • Page 58 6. Select the desired curve. Press [OK] to save. You can recall the factory settings and overwrite the current settings. All user settings in the "Settings" and "Assist" menus are To specify the contents, go to "Define Home display contents". set back to the factory settings.

  • Page 59: Assist" Menu

    "Application wizard" again or choose a control mode in the "Settings" menu. See section "Control mode". The application wizard menu which guides through a complete pump setup and set correct control mode in available in Grundfos go app. This helps to perform above settings remotely using smart phones.

  • Page 60: Description Of Control Mode

    9.8.4 "Setup, analog input" Identify the master pump in a multipump system A twin-head pump is set to multipump function from factory. Here Navigation pump head I is defined as master pump. Check the nameplate to "Home" > "Assist" > "Setup, analog input" identify the master pump.

  • Page 61: Servicing The Product

    10. 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 62: Fault Finding The Product

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

  • Page 63: Fault Finding

    11.2 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. The fault cause is stored in the pump alarm log.

  • Page 64: Fault Finding Table

    "Alarm" See code (29) "Forced pumping". Switch off the pump on the main disconnect switch. If the light in Grundfos Eye is on, the pump Other pumps or sources force is running in forced-pumping mode. "Forced pumping" (29)

  • Page 65: Accessories

    Grundfos GO is encrypted to protect against misuse. LonWorks for CIM 110 96824798 Twinpump Grundfos GO is available in Apple App Store and Google Play. Grundfos GO replaces the Grundfos R100 remote control. This CIM 150 PROFIBUS DP 96824793 means that all products supported by R100 are now supported by...
  • Page 66 12.2.1 Description of communication interface modules Module Fieldbus protocol Description Functions CIM 050 CIM 050 is a Grundfos communication CIM 050 has terminals for the GENIbus GENIbus interface module used for connection. communication with a GENIbus network. CIM 100 CIM 100 has terminals for the LonWorks connection.
  • Page 67 Note: A eUICC SIM card is supplied with the CIM 280. Reach out to Grundfos to verify if your Grundfos iSolution Could application is supported. Require a related 3G/4G antenna CIM 280-US GIC GEN2...
  • Page 68 LAN Grundfos iSolution Could applications. connection to Grundfos iSolution Could applications. Reach out to Grundfos to verify if your Grundfos iSolution Could application is supported and your country fit due to approvals.
  • Page 69 Step Action Illustration Remove the front cover from the control box. Unscrew the ground connection. Fit the communication interface module as illustrated and click it on. Tighten the screw holding the communication interface module and secure the ground connection. For connection to fieldbus networks, see the installation and operating instructions for the desired communication interface module.

  • Page 70: Pipe Connections

    GSM or GPRS modem. 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.

  • Page 71: External Sensors

    Adapter for 1/4" NPT 98344015 The accessory set consists of a blanking flange and a fastener set. 12.6 Cable for sensors Pump type Product number MAGNA3 D 65-150 F Length Description Product number MAGNA3 D 80-100 F 98159372 [ft (m)]...

  • Page 72: Insulating Kits For Applications With Ice Buildup

    In cooling applications condensation may occur on the surface of * If the control box of the pump is turned, the insulating shells are the pump. not applicable. Contact Grundfos for assistance. Condensating application allowed only if the power is on. Not all variants are available in all markets.

  • Page 73: Sensor Specifications

    4 to 10 W, depending on activity, such as reading the display, use of 50-100/120 F 32 (0.0) 1.5 (0.10) 7.25 (0.5) 14.5 (1) Grundfos GO, interaction with modules. 10.15 24.66 4 W when the pump is stopped and there is no activity. 50-150/180 F 32.7 (0.4)

  • Page 74: Markings And Approvals

    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. See also end-of-life information at www.grundfos.com/product- recycling.
  • Page 75 2941 Brighton Road Oakville, Ontario L6H 6C9 Tel.: +1-905 829 9533 Fax: +1-905 829 9512 Mexico Bombas GRUNDFOS de México S.A. de C.V. Boulevard TLC No. 15 Parque industrial Stiva Aeropuerto Apodaca, N.L. 66600 Tel.: +52-81-8144 4000 Fax: +52-81-8144 4010...
  • Page 76 99332342 102023 ECM: 1379433 www.grundfos.com...

This manual is also suitable for:

Magna3 25-40Magna3 25-60Magna3 25-80Magna3 25-100Magna3 25-120Magna3 32-40 ... Show all

Table of Contents

Save PDF