Installation and Operating Instructions

ManualsBrandsGrundfos Holding ManualsElectronicsHMI for Pump Control Panel

Table Of Contents

English (GB)

CU 241

Dual pump unit

Installation and operating instructions

GRUNDFOS INSTRUCTIONS

Summary of content (18 pages)

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GRUNDFOS INSTRUCTIONS CU 241 Dual pump unit Installation and operating instructions
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English (GB) Installation and operating instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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English (GB) English (GB) Installation and operating instructions Original installation and operating instructions Table of contents 1. 1.1 1.2 General information . . . . . . . . . . . . . . . . . . . . . . . . 4 Hazard statements . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2. 2.1 2.2 2.2.1 2.2.2 2.3 2.3.1 Installing the product . . . . . . . . . . . . . Location . . . . . . . . . . . . . . . . . . . . . .
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English (GB) DANGER Indicates a hazardous situation which, if not avoided, will result in death or serious personal injury. 5 0. 17 1 CAUTION Indicates a hazardous situation which, if not avoided, could result in minor or moderate personal injury. TM072345 120.5 WARNING Indicates a hazardous situation which, if not avoided, could result in death or serious personal injury. Min. 1 / Max. 5 The hazard statements are structured in the following way: Fig.
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4. Fit the CIM module. TM071909 TM071977 Break off the tap. 2.3 Electrical connections STATUS-NOT-SET | Connecting-the-power-supply-(ta)-VwbLbnE.dita 2.3.1 Connecting the power supply 1. Check that the supply voltage corresponds with the needed 24 VDC and ensure that the polarity is connected correctly according to the label on the product itself. 2. Connect the power cables and pump cables according to the relevant electrical diagram. TM071907 If supplied, place the labels on the back cover.
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STATUS-NOT-SET | Setting-the-service-interval-with-Grundfos-GO-Remote-(ta)--tKe20w.dita 3.1.6 Setting the service interval with Grundfos GO Remote 3.1.4 How to enable Bluetooth on the operating panel 3.1.5 How to disable Bluetooth on the operating panel You can set a time in Grundfos GO Remote in order to get a reminder that the pump needs service when the time comes. 1. Go to Settings > Service > State The product is designed for Bluetooth communication with Grundfos GO Remote.
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Description 5 Dry-running level 6 • Up / Down buttons: Press these buttons to navigate between submenus or change the value settings. STATUS-NOT-SET | Intended-use-of-LC-231-(co)-yAgEoEw.dita OK button: 7 • 8 • 4.4 Intended use Press this button to save changed values. The control unit is designed to control two pumps. The product can be configured for two purposes: emptying a wastewater pit or filling a pit or tank.
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the High level sensor can be used to activate an output relay which can then be used to indicate a visual or acoustic alarm or send a signal to a SCADA system. If the pump is running and the liquid level in the tank or pit falls below the dry-running level, the dry-running protection will stop the pump to ensure that it is not damaged mechanically. Description Type 1 • 2 CU 241 Number of pumps supported STATUS-NOT-SET | Supported-communication-interface-modules-and-protocols-(re)-0fwnkCs.dita 4.
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Continuously press OK to confirm all other settings and to exit the setup. STATUS-NOT-SET | Setting-the-stop-level-with-the-operating-panel-(ta)--u7I7A4.dita 5.4.2 Setting the stop level with the operating panel The settings apply to analog sensors. For digital sensors, the setting is automatically activated. The stop level is the same for pump 1 and pump 2. 5.3 Setting the start level STATUS-NOT-SET | Setting-the-start-level-with-Grundfos-GO-Remote-(ta)--PCpUL0.dita 5.3.
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1. Go to Settings > Level control > Dry-running level. 2. Set the dry-running level. The dry-running level must be set to a value which ensures that the pump is not damaged due to dryrunning. The specific level depends on the installed pump type. See the installation and operating instructions for the product. STATUS-NOT-SET | Setting-the-dry-running-level-with-the-operating-panel-(ta)--NwmwMs.dita 5.
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2. Go to Settings > Motor protection pump 1 or Motor protection pump 2. Follow the on-screen wizard to set the following: • Nominal pump current • Trip IEC class • Pump connection TM070084 English (GB) 1. • Overheat protection. Related information 5.13 Setting the maximum number of restarts with Grundfos GO Remote 5.14.3 Moisture protection 5.15 Alarm reset Go to General > Settings > Products > Units. 3. Select US or Grundfos default units.
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3. Go one step back in the menu and select Return to. 4. Choose one of the following options: STATUS-NOT-SET | Unlocking-Grundfos-GO-Remote-(ta)-0pI-a9o.dita 5.20.4 Unlocking Grundfos GO Remote • Auto 1. Go to Settings > Security. • Off. 2. Enter the four digit PIN code. 5. Go one step back in the menu and select Forced start time. 3. Select Go Remote Security. 6. 4. Select Disabled and press Next. Set the time period in which the pump must run in manual operating mode.
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English (GB) 1. Switch off the power supply to the product and other components with external supply. 2. Write down the terminal connection of each wire to ensure correct re-connection. 3. Disconnect all wires connected to the CIM module. 4. Remove the screws that holds the module. 5. Remove the module from the control unit. 6. Fit the new module. 7. Connect all wires. Code number Description Code 205 Level-switch inconsistency. Code 225 Communication error pump module.
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• Alarm code 22 is shown on the display. • The alarm symbol on the display turns red and the pump stops. • Alarm code Moisture in motor of pump is displayed in Grundfos GO Remote. Cause Moisture is detected in the motor of the pump. Remedy • Service is needed on the pump. Contact Grundfos. Remedy Allow the pump to cool down. • Adjust the distance between start and stop levels. Related information 5.14.1 Overheat protection STATUS-NOT-SET | Code-84-(Memory-storage-media-faulty)-(ts)-AAFdH3w.
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Remedy • Alarm code 191 is shown on the display. • The alarm symbol on the display turns red, but the pump's operating mode is unchanged. 9. Technical data • Alarm code High water level is displayed in Grundfos GO Remote. STATUS-NOT-SET | Code-191-(High-water-level)-(ts)-AONKraA.dita • Check for water leakage. STATUS-NOT-SET | Technical-data-for-CU-241-(re)-Itw2Pw4.dita Supply voltage 24 VDC, - 10 %/+ 10 %. Power supply is required to be class 2.
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Finland Malaysia Spain Bombas GRUNDFOS de Argentina S.A. Ruta Panamericana km. 37.500 Centro Industrial Garin 1619 - Garín Pcia. de B.A. Tel.: +54-3327 414 444 Fax: +54-3327 45 3190 OY GRUNDFOS Pumput AB Trukkikuja 1 FI-01360 Vantaa Tel.: +358-(0) 207 889 500 GRUNDFOS Pumps Sdn. Bhd. 7 Jalan Peguam U1/25 Glenmarie Industrial Park 40150 Shah Alam, Selangor Tel.: +60-3-5569 2922 Fax: +60-3-5569 2866 Bombas GRUNDFOS España S.A. Camino de la Fuentecilla, s/n E-28110 Algete (Madrid) Tel.