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Grundfos MAGNA 2000 Series Instructions Manual

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GRUNDFOS INSTRUCTIONS
GRUNDFOS MAGNA
Series 2000
MAGNA 25-60, 25-100, 32-60, 32-100, 40-100(D), 50-100
Installation and operating instructions

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Summary of Contents for Grundfos MAGNA 2000 Series

  • Page 1 GRUNDFOS INSTRUCTIONS GRUNDFOS MAGNA Series 2000 MAGNA 25-60, 25-100, 32-60, 32-100, 40-100(D), 50-100 Installation and operating instructions...

  • Page 2: Declaration Of Conformity

    Normas utilizadas: EN 60335-1: 1994 e EN 60335-2-51: 1997. ∆ήλωση Συµµόρφωσης Overeenkomstigheidsverklaring Εµείς η Grundfos δηλώνουµε µε αποκλειστικά δική µας ευθύνη ότι τα Wij Grundfos verklaren geheel onder eigen verantwoordelijkheid dat de προιόντα MAGNA Σειρά 2000 συµµορφώνονται µε την Οδηγία του...
  • Page 3 Свидетельство о соответствии Bjerringbro, 15th August 2005 требованиям Мы, фирма Grundfos, со всей ответственностью заявляем, что изделия MAGNA серии 2000, к которым и относится данное свидетельство, отвечают требованиям следующих указаний Совета ЕС об унификации законодательных предписаний стран-членов ЕС: – Машиностроение (98/37/ЕС).
  • Page 5 GRUNDFOS MAGNA Series 2000 MAGNA 25-60, 25-100, 32-60, 32-100, 40-100(D), 50-100 Installation and operating instructions Montage- und Betriebsanleitung Notice d’installation et d’entretien Istruzioni di installazione e funzionamento Instrucciones de instalación y funcionamiento Instruções de instalação e funcionamento Οδηγίες εγκατάστασης και λειτουργίας...

  • Page 6: Table Of Contents

    CONTENTS 1. General description Page The GRUNDFOS MAGNA Series 2000 is a complete range of circulator pumps with integrated differential General description pressure control enabling adjustment of pump per- Applications formance to the actual system requirements. In Pumped liquids many systems, this will reduce the power consump-...

  • Page 7: Installation

    3. Installation 3.2 Twin-head pumps Twin-head pumps are supplied fitted with a GENI Arrows on the pump housing indicate the liquid flow module on each control box. The modules are con- direction through the pump. nected via a cable. The modules determine the oper- ating mode of the pump, see section 6.9.1 Control of 3.1 Changing the control box position twin-head pumps.

  • Page 8: Electrical Connection

    4. Electrical connection Step Action The electrical connection and protection must be carried out in accordance with local regulations. The pump must be connected to an ex- ternal mains switch with a contact sepa- ration of at least 3 mm in each pole. Earthing or neutralization can be used for protection against indirect contact.

  • Page 9: Functions

    - Max. curve - Min. curve. • Bus communication via GENIbus The pump can be controlled and monitored by a GRUNDFOS Pump Management System 2000, a build- ing management system or another type of external control system. • Control of twin-head pumps The control of twin-head pumps is described in section 6.9.1.

  • Page 10: Control Modes

    6.1 Control modes Proportional-pressure control: To be set on the control panel or with the R100, see A GRUNDFOS MAGNA pump can be set to the con- section 7. Setting the pump. trol mode which is most suitable for the individual system.

  • Page 11: Selection Of Control Mode

    6.2 Selection of control mode Select this System type Description control mode Grundfos recommends to let the pump remain in AUTO mode. ADAPT Typical systems This ensures optimum performance at the lowest possible energy con- AUTO ADAPT sumption. 1. Two-pipe •...

  • Page 12: Constant-Curve Duty

    6.4 Constant-curve duty 6.6 Temperature influence To be set with the R100, see section 7. Setting the To be set with the R100, see section 7. Setting the pump. pump. The pump can be set to operate according to a con- When this function is activated in proportional- or stant curve, like an uncontrolled pump, see fig.

  • Page 13: Expansion Modules

    6.7 Expansion modules 6.9.1 Control of twin-head pumps The pump can be fitted with an expansion module Twin-head pumps are supplied fitted with a GENI enabling communication with external signals (signal module on each control box. The modules are con- transmitters).

  • Page 14: Connection To Lon Network

    Select the operating mode by means of the mechani- The pump can be connected to a LON network via a cal contact in each module. GENI module and an external Grundfos G10 LON interface. Product number: 00605726. Operating Left pump...

  • Page 15: Factory Setting

    7.1 Factory setting 7.2.1 Control mode setting The pump is factory-set to AUTO without auto- Description of function, see section 6.1 Control ADAPT matic night-time duty. modes. To change the control mode, press , pos. 3, 7.2 Control panel according to this cycle: At high liquid temperatures, the pump may AUTO be so hot that only the buttons should be...

  • Page 16: R100 Remote Control

    To change over to the max. curve, press continu- The pump is designed for wireless communication ously until "MAX" illuminates, see fig. 15. To change with the Grundfos R100 remote control. The R100 back, press continuously until the desired setpoint communicates with the pump via infra-red light.

  • Page 17: R100 Display Overview

    7.4 R100 display overview The number stated at each individual display in fig. 17 refers to the section in which the display is de- The R100 displays are divided into four parallel scribed. menus, see fig. 17: 0. GENERAL, see operating instructions for R100 1.

  • Page 18: Menu Operation

    7.5 Menu OPERATION 7.5.3 Fault indications When the communication between the R100 and the pump has been established, "Contact with" appears in the display. When the "arrow down" on the R100 is pressed, menu OPERATION appears. Note: The display "Contact with" appears only once, i.e.

  • Page 19: Menu Installation

    7.6.2 Operating mode 7.6.7 Operating hours This display shows the actual operating mode (Stop, Operating hours of the pump. Min., Normal or Max.) and where is was selected The value of operating hours is an accumulated (Pump, R100, BUS or External). value and cannot be set to zero.

  • Page 20: Priority Of Settings

    If an expansion module has been fitted, the signal re- lay function can be set in this display. that function. For further details, please contact Grundfos. • Fault (functions as a fault signal relay) • Ready (functions as a ready signal relay)

  • Page 21: Fault Finding Chart

    Use the R100 for fault finding, see The pump has The pump is faulty, but is able to section 7.5.3 Fault indications. been set to stop operate (has been set to STOP). In case of repeated faults, contact and is faulty. GRUNDFOS SERVICE.

  • Page 22: Checking The Module

    Indicator lights Fault Cause Remedy Green Air in the system. Vent the system. Reduce the setpoint and possibly The flow is too high. change over to AUTO or con- ADAPT Noise in the stant pressure. system. Reduce the setpoint and possibly The pressure is too high.

  • Page 23: Megging

    9. Megging Megging of an installation incorporating a GRUND- FOS MAGNA pump is not allowed, as the built-in electronics may be damaged. If megging of the pump Before removing the cables, the electricity is necessary, the pump should be electrically sepa- must be switched off.

  • Page 24: Technical Data

    Maximum load: 1 mA. 0-10 V signal Pumps in domestic hot-water systems: Screened cable. Continuously: +15°C to +60°C. Grundfos bus protocol, To eliminate the risk of condensation in the control GENIbus protocol, RS-485. box and the stator, the pumped liquid temperature Screened cable.

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