CU 241
Dual pump unit
Installation and operating instructions
GRUNDFOS INSTRUCTIONS
CU 241
English (GB)
Installation and operating instructions ..........................................................5
Български (BG)
Упътване за монтаж и експлоатация.........................................................29
Čeština (CZ)
Montážní a provozní návod .................................................................52
Deutsch (DE)
Montage- und Betriebsanleitung .............................................................74
Dansk (DK)
Monterings- og driftsinstruktion ..............................................................97
Eesti (EE)
Paigaldus- ja kasutusjuhend ...............................................................120
Español (ES)
Instrucciones de instalación y funcionamiento ..................................................143
Suomi (FI)
Asennus- ja käyttöohjeet ..................................................................166
Français (FR)
Notice d'installation et de fonctionnement .....................................................189
Table of contents
Ελληνικά (GR)
Οδηγίες εγκατάστασης και λειτουργίας........................................................212
Hrvatski (HR)
Montažne i pogonske upute ................................................................235
Magyar (HU)
Telepítési és üzemeltetési utasítás...........................................................257
Italiano (IT)
Istruzioni di installazione e funzionamento .....................................................280
Lietuviškai (LT)
Įrengimo ir naudojimo instrukcija ............................................................303
Latviešu (LV)
Uzstādīšanas un ekspluatācijas instrukcija ....................................................325
Nederlands (NL)
Installatie- en bedieningsinstructies ..........................................................347
Polski (PL)
Instrukcja montażu i eksploatacji ............................................................370
Português (PT)
Instruções de instalação e funcionamento .....................................................393
Română (RO)
Instrucţiuni de instalare şi utilizare ...........................................................416
Srpski (RS)
Uputstvo za instalaciju i rad ................................................................439
Русский (RU)
Паспорт, Руководство по монтажу и эксплуатации.............................................462
Svenska (SE)
Monterings- och driftsinstruktion.............................................................486
Slovensko (SI)
Navodila za montažo in obratovanje .........................................................508
Türkçe (TR)
3
Table of contents
Montaj ve kullanım kılavuzu ................................................................530
Українська (UA)
Інструкції з монтажу та експлуатації ........................................................554
中文 (CN)
安装和使用说明书 .......................................................................577
(AR) ةيبرعلا
......................................................................599
4 CU 241
English (GB) Installation and operating instructions
Original installation and operating instructions
Table of contents
1. General information ......................................................................6
1.1 Hazard statements........................................................................6
1.2 Notes ................................................................................6
2. Installing the product .....................................................................6
2.1 Location ..............................................................................6
2.2 Mechanical installation .....................................................................7
2.3 Electrical connection...................................................................... 11
3. Starting up the product ................................................................... 11
3.1 Connecting to Grundfos GO Remote............................................................ 11
3.2 Startup wizard on Grundfos GO Remote ......................................................... 11
3.3 Startup wizard on the operating panel ........................................................... 11
3.4 How to enable Bluetooth on the operating panel..................................................... 11
3.5 How to disable Bluetooth on the operating panel .................................................... 12
3.6 Testing the product.......................................................................12
4. Product introduction.....................................................................12
4.1 Product description ......................................................................12
4.2 Intended use ..........................................................................12
4.3 Features .............................................................................12
4.4 Application types ........................................................................12
4.5 Terminals ............................................................................14
4.6 Identification........................................................................... 14
4.7 Supported communication interface modules and protocols .............................................. 15
5. Control functions ....................................................................... 15
5.1 Operating panel ........................................................................ 15
6. Setting the product...................................................................... 16
6.1 Setting the application type with Grundfos GO Remote.................................................16
6.2 Setting the sensor type ....................................................................16
6.3 Setting the start level ..................................................................... 16
6.4 Setting the stop level .....................................................................17
6.5 Setting the high level .....................................................................17
6.6 Stop delay ............................................................................18
6.7 Power-on delay......................................................................... 18
6.8 Dry-running protection.....................................................................18
6.9 "Multipump settings" ...................................................................... 18
6.10 Using the same level switch for the start and stop level ................................................ 18
6.11 "Antiseizing"...........................................................................19
6.12 Signal-detection time ..................................................................... 19
6.13 Setting the maximum number of restarts with Grundfos GO Remote ........................................19
6.14 Setting the service interval with Grundfos GO Remote .................................................19
6.15 Motor protection ........................................................................ 19
6.16 Alarm reset ........................................................................... 20
6.17 Setting the buzzer with Grundfos GO Remote ......................................................20
6.18 Setting units for Grundfos GO Remote........................................................... 20
6.19 Setting units for the operating panel with Grundfos GO Remote ........................................... 21
6.20 GENIbus .............................................................................21
6.21 Security .............................................................................21
6.22 Starting the startup wizard with the operating panel ................................................... 22
7. Operating the product....................................................................22
7.1 Manual operation........................................................................ 22
8. Servicing the product .................................................................... 23
8.1 Updating the product software................................................................23
8.2 Replacing the control unit................................................................... 23
8.3 Replacing the CIM module ..................................................................23
8.4 Replacing the battery ..................................................................... 23
9. Fault finding the product ..................................................................24
9.1 Overview of alarm and warning codes ...........................................................24
9.2 Code 2 (Power phase missing) ............................................................... 24
9.3 Code 4 (Too many motor restarts) .............................................................24
9.4 Code 9 (Power phase sequence wrong)..........................................................24
9.5 Code 12 (Service needed) ..................................................................25
9.6 Code 22 (Moisture in motor of pump) ........................................................... 25
English (GB)
5
English (GB)
9.7 Code 25 (Wrong configuration) ............................................................... 25
9.8 Code 48 (Motor is overloaded) ............................................................... 25
9.9 Code 57 (Missing water in the application) ........................................................25
9.10 Code 69 (Winding temperature too high) ......................................................... 25
9.11 Code 84 (Memory storage media faulty)..........................................................26
9.12 Code 117 (Door opened) ...................................................................26
9.13 Code 159 (Communication error CIMxxx) .........................................................26
9.14 Code 165 (Signal fault) ....................................................................26
9.15 Code 191 (High water level) .................................................................26
9.16 Code 205 (Level switch inconsistency) ..........................................................26
9.17 Code 225 (Communication error pump module) .....................................................27
9.18 Code 226 (Communication error IO module) ....................................................... 27
9.19 Code 229 (Water on floor) .................................................................. 27
10. Technical data......................................................................... 27
11. Disposing of the product ..................................................................28
1. General information
1.1 Hazard statements
The symbols and hazard statements below may appear in Grundfos installation and operating instructions, safety instructions and service
instructions.
Read this document before you install the product. Installation and operation must comply with local regulations and accepted codes
of good practice.
DANGER
Indicates a hazardous situation which, if not avoided, will result in death or serious personal injury.
WARNING
Indicates a hazardous situation which, if not avoided, could result in death or serious personal injury.
CAUTION
Indicates a hazardous situation which, if not avoided, could result in minor or moderate personal injury.
The hazard statements are structured in the following way:
SIGNAL WORD
Description of the hazard
Consequence of ignoring the warning
• Action to avoid the hazard.
1.2 Notes
The symbols and notes below may appear in Grundfos installation and operating instructions, safety instructions and service instructions.
Observe these instructions for explosion-proof products.
A blue or grey circle with a white graphical symbol indicates that an action must be taken.
A red or grey circle with a diagonal bar, possibly with a black graphical symbol, indicates that an action must not be taken or must be
stopped.
If these instructions are not observed, it may result in malfunction or damage to the equipment.
Tips and advice that make the work easier.
2. Installing the product
2.1 Location
Install the product in a location that meets the following requirements:
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• Place the product in a flood-safe place.
1
160.5 (6.3")
110.5 (4.35")
Min. 1 (0.04")
Max. 5 (0.2")
• Make sure that the ambient temperature is within the limits.
• Install the product as close as possible to the connected pumps, sensors, and accessories.
• The product must be protected from direct sunlight.
• The product must be easily accessible.
• Outdoor installation: the product must be installed in a protective shed or enclosure, class IP 54.
• Indoor installation:The product must be installed in a well-ventilated room to ensure cooling of its components.
2.2 Mechanical installation
2.2.1 Mounting the control unit
1. Fasten the control unit with the four screws (1), M4 x 12, supplied with the unit. Torque value: 0.5 Nm.
Fig. Mounting the control unit
Related information
8.2 Replacing the control unit
2.2.2 Installing a communication interface module
You can fit a communication interface module (CIM) in the control unit to enable communication with external systems. The module is optional
and is not delivered with the product. See the installation and operating instruction for the module regarding electrical connections.
English (GB)
TM072345
Use an antistatic service kit when handling electronic components. This prevents static electricity from damaging the components.
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English (GB)
1. Remove the screw in the back cover of the CU product.
2. Remove the back cover.
TM071905
3. Break off the tap.
TM071906
TM071977
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4. Fit the CIM module.
English (GB)
TM071907
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