Symbols Used In This Document; General Description - Grundfos DWK Serie Instrucciones De Instalación Y Funcionamiento

English (GB) Installation and operating instructions
Original installation and operating instructions
CONTENTS
1. Symbols used in this document
2. General description
3. Operating conditions
4. Applications
5. Safety
6. Transportation and storage
6.1 Transportation
6.2 Storage
7. Nameplate
8. Approvals
9. Type key
10. Installation
10.1 Free-standing submerged installation
11. Electrical connection
11.1 Pump controllers
11.2 GU01 and GU02
11.3 Frequency converter operation
12. Startup
12.1 Direction of rotation
13. Operation
14. Maintenance, inspection and overhaul 15
14.1 Maintenance
14.2 Inspection
14.3 Overhaul
15. Fault finding
16. Service
16.1 Service documentation
16.2 Contaminated pumps
17. Disposal
Warning
Prior to installation, read these installation
and operating instructions. Installation and
operation must comply with local
regulations and accepted codes of good
practice.

1. Symbols used in this document

Warning
Page
If these safety instructions are not
observed, it may result in personal injury.
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Warning
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If these instructions are not observed, it
may lead to electric shock with consequent
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risk of serious personal injury or death.
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If these safety instructions are not
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Caution observed, it may result in malfunction or
damage to the equipment.
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Notes or instructions that make the job
Note
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easier and ensure safe operation.
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2. General description

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To ensure reliable and optimum operation, Grundfos
dewatering pumps, type DWK, are designed with two
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types of impeller:
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• 0.75 - 15 kW models have semi-open impeller
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• 22 and 90 kW models have enclosed impeller.
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DWK pumps are used for removal of surface and
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underground water in small and medium systems.
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DWK pumps can be controlled via the pump
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controllers GU01 and GU02. For further information,
see data sheet for GU01/GU02 module at
www.grundfos.com.
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