Grundfos DWK O 6.50.075, Инструкция по эксплуатации

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English (GB) Installation and operating instructions
Original installation and operating instructions
CONTENTS
Page
1. Symbols used in this document
2. General description
To ensure reliable and optimum operation, Grundfos
dewatering pumps, type DWK, are designed with two
types of impeller:
•
0.75 - 15 kW models have semi-open impeller
• 22 and 90 kW models have enclosed impeller.
DWK pumps are used for removal of surface and
underground water in small and medium systems.
DWK pumps can be controlled via the pump
controllers GU01 and GU02. For further information,
see data sheet for GU01/GU02 module at
www.grundfos.com.
1. Symbols used in this document
2
2. General description 2
3. Operating conditions 3
4. Applications
4
5. Safety 4
6. Transportation and storage 4
6.1 Transportation
4
6.2 Storage 5
7. Nameplate 5
8. Approvals
6
9. Type key 6
10. Installation 7
10.1 Free-standing submerged installation
7
11. Electrical connection 8
11.1 Pump controllers 10
11.2 GU01 and GU02
10
11.3 Frequency converter operation 10
12. Startup
11
12.1 Direction of rotation
11
13. Operation 12
14. Maintenance, inspection and overhaul 12
14.1 Maintenance 12
14.2 Inspection 13
14.3 Overhaul
13
15. Fault finding 14
16. Service 15
16.1 Service documentation
15
16.2 Contaminated pumps 15
17. Disposal 15
Warning
Prior to installation, read these installation
and operating instructions. Installation and
operation must comply with local
regulations and accepted codes of good
practice.
Warning
If these safety instructions are not
observed, it may result in personal injury.
Warning
If these instructions are not observed, it
may lead to electric shock with consequent
risk of serious personal injury or death.
Caution
If these safety instructions are not
observed, it may result in malfunction or
damage to the equipment.
Note
Notes or instructions that make the job
easier and ensure safe operation.