Grundfos CRE Serie Instrucciones De Instalación Y Funcionamiento página 5

English (GB) Installation and operating instructions
Original installation and operating instructions
CONTENTS
1. Symbols used in this document
2. General information
3. General description
3.1 Pumps without factory-fitted sensor
3.2 Pumps with pressure sensor
3.3 Settings
4. Mechanical installation
4.1 Motor cooling
4.2 Outdoor installation
5. Electrical connection
5.1 Three-phase pumps, 1.1 - 7.5 kW
5.2 Three-phase pumps, 11-22 kW
5.3 Signal cables
5.4 Bus connection cable
6. Modes
6.1 Overview of modes
6.2 Operating mode
6.3 Control mode
7. Setting up the pump
7.1 Factory setting
8. Setting by means of control panel
8.1 Setting of operating mode
8.2 Setpoint setting
9. Setting by means of R100
9.1 Menu OPERATION
9.2 Menu STATUS
9.3 Menu INSTALLATION
10. Setting by means of PC Tool E-products
11. Priority of settings
12. External forced-control signals
12.1 Start/stop input
12.2 Digital input
13. External setpoint signal
14. Bus signal
15. Other bus standards
16. Indicator lights and signal relay
17. Insulation resistance
18. Emergency operation (only 11-22 kW)
19. Maintenance and service
19.1 Cleaning of the motor
19.2 Relubrication of motor bearings
19.3 Replacement of motor bearings
19.4 Replacement of varistor (only 11-22 kW)
19.5 Service parts and service kits
20. Technical data - three-phase pumps, 1.1 - 7.5 kW
20.1 Supply voltage
20.2 Overload protection
20.3 Leakage current
20.4 Inputs/output
21. Technical data - three-phase pumps, 11-22 kW
21.1 Supply voltage
21.2 Overload protection
21.3 Leakage current
21.4 Inputs/output
21.5 Other technical data
22. Disposal
Warning
Prior to installation, read these installation and
operating instructions. Installation and operation
Page
must comply with local regulations and accepted
codes of good practice.
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1. Symbols used in this document
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Warning
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If these safety instructions are not observed, it may
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result in personal injury!
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Warning
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The surface of the product may be so hot that it may
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cause burns or personal injury.
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If these safety instructions are not observed, it may
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Caution
result in malfunction or damage to the equipment.
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Notes or instructions that make the job easier and
Note
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ensure safe operation.
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