
English (GB)
2
English (GB) Installation and operating instructions
Original installation and operating instructions
These installation and operating instructions describe MAGNA3
model D.
Sections 1-5 give the information necessary to be able to unpack,
install and start up the product in a safe way.
Sections 6-13 give important information about the product, as
well as information on service, fault finding and disposal of the
product.
CONTENTS
Page
1. General information 3
1.1 Hazard statements 3
1.2 Notes 3
1.3 Safety symbols on the pump 3
2. Receiving the product 3
2.1 Inspecting the product 3
2.2 Scope of delivery 3
2.3 Lifting the pump 4
3. Installing the product 5
3.1 Location 5
3.2 Tools 5
3.3 Mechanical installation 5
3.4 Positioning the pump 6
3.5 Control box positions 6
3.6 Pump head position 7
3.7 Changing the control box position 7
3.8 Electrical installation 9
3.9 Wiring diagrams 10
3.10 Connecting the power supply, plug-connected versions 12
3.11 Connecting the power supply, terminal-connected
versions 13
3.12 Connecting the external control 14
4. Starting up the product 15
4.1 Single-head pump 15
4.2 Twin-head pump 16
5. Handling and storing the product 16
5.1 Frost protection 16
6. Product introduction 17
6.1 Applications 17
6.2 Pumped liquids 17
6.3 Pump heads in twin-head pumps 17
6.4 Identification 18
6.5 Model type 18
6.6 Radio communication 18
6.7 Closed valve operation 18
6.8 Insulating shells 19
6.9 Non-return valve 19
7. Control functions 20
7.1 Quick overview of control modes 20
7.2 Operating modes 22
7.3 Control modes 22
7.4 Additional control mode features 26
7.5 Multipump modes 27
7.6 Flow estimation accuracy 28
7.7 External connections 29
7.8 Priority of settings 29
7.9 Input and output communication 30
8. Setting the product 34
8.1 Operating panel 34
8.2 Menu structure 34
8.3 Startup guide 34
8.4 Menu overview 36
8.5 "Home" menu 38
8.6 "Status" menu 38
8.7 "Settings" menu 39
8.8 "Assist" menu 48
8.9 "Description of control mode" 49
8.10 "Assisted fault advice" 49
9. Servicing the product 50
9.1 Differential-pressure and temperature sensor 50
9.2 External sensor condition 50
9.3 Disassembling the plug 50
10. Fault finding the product 51
10.1 Grundfos Eye operating indications 51
10.2 Fault finding table 52
10.3 Fault finding 53
11. Accessories 54
11.1 Grundfos GO 54
11.2 Communication interface module, CIM 54
11.3 Counterflanges 59
11.4 External sensors 60
11.5 Cable for sensors 60
11.6 Blanking flange 61
11.7 Insulating kits for air-conditioning and cooling systems 61
12. Technical data 61
12.1 Sensor specifications 62
13. Disposing of the product 63
Read this document and the quick guide before
installing the product. Installation and operation must
comply with local regulations and accepted codes of
good practice.
This appliance can be used by children aged from 8
years and above and persons with reduced physical,
sensory or mental capabilities or lack of experience
and knowledge if they have been given supervision
or instruction concerning use of the appliance in a
safe way and understand the hazards involved.
Children shall not play with the appliance. Cleaning
and user maintenance shall not be made by children
without supervision.