Grundfos DPK Montage- Und Betriebsanleitung Seite 5

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
6.2.1 Warehouse storage
6.2.2 Storage in the tank
7. Nameplate
8. Approvals
9. Type key
10. Installation
10.1 Installation types
10.2 Submerged installation on auto coupling 10
10.3 Free-standing submerged installation
11. Electrical connection
11.1 Pump controllers
11.2 GU01 and GU02
11.3 Frequency converter operation
11.3.1 Recommendations
11.3.2 Possible consequences
12. Startup
12.1 Direction of rotation
13. Operation
14. Maintenance, inspection and overhaul 15
14.1 Maintenance
14.1.1 Current and voltage
14.1.2 Vibration
14.1.3 Outlet pressure and flow rate
14.1.4 Insulation resistance
14.2 Inspection
14.2.1 How to remove the pump
14.2.2 Inspection of seal sensor
14.2.3 Inspection of impeller and wear plate
14.3 Overhaul
15. Fault correction
16. Service
16.1 Service documentation
16.2 Contaminated pumps
17. Disposal
Warning
Prior to installation, read these installation
and operating instructions. Installation and
Page
operation must comply with local
regulations and accepted codes of good
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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
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observed, it may result in personal injury.
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Warning
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If these instructions are not observed, it
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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
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damage to the equipment.
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Notes or instructions that make the job
Note
easier and ensure safe operation.
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2. General description
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To ensure reliable and optimum operation, Grundfos
DPK pumps are available with various types of
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impellers.
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DPK drainage pump:
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• 0.75 - 15 kW models have semi-open impeller
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• 19 and 22 kW models have closed impeller.
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DPK.V wastewater pump:
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• 1.5 - 7.5 kW models have Super Vortex free-flow
impeller.
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DPK pumps are used for removal of surface and
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underground drainage water in buildings, courtyard
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drainage systems and industrial applications where
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water from various applications is collected into
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drainage pits and then pumped further.
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DPK.V pumps are used for more applications
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including effluent and screened wastewater in similar
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DPK and DPK.V pumps can be controlled via the
pump controllers GU01 and GU02. For further
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information, see data sheet for GU01 / GU02 module
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at www.grundfos.com.
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