Related Manuals for Grundfos DWK Series
Summary of Contents for Grundfos DWK Series
- Page 1 GRUNDFOS INSTRUCTIONS Installation and operating instructions Installation and operating instructions http://net.grundfos.com/qr/i/97515233...
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Page 2: Table Of Contents
Read this document before installing the These installation and operating instructions product. Installation and operation must describe Grundfos DWK pumps, 0.75 - 90 kW. comply with local regulations and accepted Sections 1-5 give the information necessary to be codes of good practice. -
Page 3: Notes
1.3 Notes The symbols and notes below may appear in Before beginning the installation, check that the Grundfos installation and operating instructions, pump is suitable for the supply voltage and safety instructions and service instructions. frequency available at the installation site. -
Page 4: Mechanical Installation
3.1 Mechanical installation CAUTION DANGER Crushing hazard Minor or moderate personal injury Electric shock - Make sure the lifting bracket is Death or serious personal injury tightened before attempting to lift the - Before installation and the first startup product. Tighten if necessary. of the product, check the power cable for visible defects and measure the Always lift the product from the lifting eyes on top of... - Page 5 3.1.2 Raising the product to upright position 3.1.3 Free-standing submerged installation Carelessness during lifting or transport may cause Pumps for free-standing submerged installation can injury to persons or damage the product. stand freely on the bottom of the pit or the like. See fig.
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Page 6: Electrical Connection
- It is not permitted to extend the pump the wiring diagram fig. or fig. 6. Make sure that the cable. Contact Grundfos to get the right alarm output will cause a motor stop in case of high cable length. - Page 7 3.3.2 Wiring diagrams Fig. 5 Direct-on-line starting L1 L2 L3 S / S MCCB F / L F / L MCCB O P . T R T / P T / P S / S S / S GU 01 / GU 02 U1 V1 W1 W2 U2 V2 T / P T / P S / S S / S...
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Page 8: Frequency Converter Operation
4. Starting up the product 3.4 Frequency converter operation Before installing a frequency converter, calculate the You can start up the product using either direct-on- lowest allowable frequency in the installation in order line (DOL) starting or star-delta (Y/D) starting. The to avoid zero flow. -
Page 9: Checking The Direction Of Rotation
The pumps are designed for intermittent operation 4.2 Checking the direction of rotation (S3). When completely submerged, the pumps can also operate continuously (S1). Only start and run an unsubmerged pump for a few seconds to check the direction of rotation. -
Page 10: Preparing For Startup
If the insulation resistance drops below 10 megohms contact Grundfos. • When the pump is not in service, disconnect the power supply from the control panel. -
Page 11: Product Introduction
6. Product introduction Pos. Description 6.1 Product description Lifting bracket Nameplate Motor Oil plug Outlet flange or hose connection Cable inlet Top cover Inlet strainer Pump housing 6.2 Applications and intended use DWK pumps are used for removal of surface, drainage and underground water containing abrasives such as sand and gravel. -
Page 12: Identification
6.5 Identification 6.5.2 Nameplate Fix the extra nameplate supplied with the pump at 6.5.1 Type key the installation site or keep it in the cover of this The pump can be identified by the type designation booklet. stated on the pump nameplate. Example: DWK.O.6.50.15.5.0D.R Code Description... -
Page 13: Protection And Control Functions
7.1 Pump controllers temperature and water penetration into the motor. It receives a digital signal. The pumps can be controlled via the Grundfos controllers: LC, LCD 107, LC, LCD 108 and LC, LCD GU02 is a monitoring device for monitoring stator 110. -
Page 14: Servicing The Product
The product will be classified as contaminated if it has been used for a liquid which is injurious to health or toxic. If you request Grundfos to service the product, contact Grundfos with details about the pumped liquid before returning the product for service. - Page 15 8.4.3 Checking the outlet pressure and flow rate 8.4.5 Oil check and oil change Declining performance can indicate the need for an overhaul. Regardless of performance, the pressure and flow rate must be stable, and rapidly changing pressure or flow rate indicate system problems on the inlet or outlet side.
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Page 16: Fault Finding The Product
9. Fault finding the product Before attempting to diagnose any fault, read and DANGER observe the safety instructions in section 8.1 Safety instructions and requirements. Electric shock Death or serious personal injury For pumps with a sensor, start fault finding - Before starting any work on the product, by checking the status on the GU01 or make sure that the power supply has... -
Page 17: Technical Data
10.1.5 Ambient temperature (if the pump is not fully submerged) 0 to 40 °C 10.1.6 Density of pumped liquid Maximum 1000 kg/m In the case of higher densities, contact Grundfos. 10.1.7 Maximum operating pressure 5.7 bar 10.1.8 Installation depth DWK: Maximum 25 m below liquid level 10.1.9 Max. - Page 18 Appendix Dimensions and weights DWK.O.6.50/80.xx and DWK.O.10.80.37 Hose connection Flange connection Dimensions [mm] Connection Weight Pump type type [kg] Hose DWK.O.6.50.075 Flange Hose DWK.O.6.50.15 Flange Hose DWK.O.6.50.22 Flange Hose DWK.O.6.80.15 Flange Hose DWK.O.6.80.22 Flange Hose DWK.O.10.80.37 Flange...
- Page 19 DWK.O.10.100.37 and DWK.O.13.xx.xx Hose connection Flange connection Dimensions [mm] Connection Weight Pump type type [kg] Hose DWK.O.10.100.37 Flange Hose DWK.O.13.80.55 Flange Hose DWK.O.13.100.55 Flange Hose DWK.O.13.100.75 Flange Hose DWK.O.13.100.110 Flange Hose DWK.O.13.100.150 Flange Hose DWK.O.13.150.75 Flange Hose DWK.O.13.150.110 Flange Hose DWK.O.13.150.150 Flange...
- Page 20 DWK.E Hose connection Flange connection Dimensions [mm] Connection Weight Pump type type [kg] Hose 1099 1117 DWK.E.10.100.220 Flange 1099 1342 Hose 1099 1232 DWK.E.10.150.220 Flange 1099 1342 Hose 1099 1232 DWK.E.10.150.300 Flange 1099 1342 Hose 1318 1411 DWK.E.10.150.370 Flange 1318 1561 Hose 1318...
- Page 21 DWK.H Hose connection Flange connection Dimensions [mm] Weight Pump type [kg] DWK.H.7.100.220 1161 1410 1180 DWK.H.7.100.300 1161 1410 1180 DWK.H.7.100.370 1350 1595 1445 DWK.H.7.150.450 1350 1595 1445 DWK.H.7.150.550 1350 1595 1445 DWK.H.7.150.750 1450 1695 1545 DWK.H.7.150.900 1450 1695 1545 1500...
- Page 22 Argentina China Hong Kong Bombas GRUNDFOS de Argentina S.A. GRUNDFOS Pumps (Shanghai) Co. Ltd. GRUNDFOS Pumps (Hong Kong) Ltd. Ruta Panamericana km. 37.500 Centro 10F The Hub, No. 33 Suhong Road Unit 1, Ground floor Industrial Garin Minhang District Siu Wai Industrial Centre 1619 Garín Pcia.
- Page 23 Malaysia Serbia Turkey GRUNDFOS Pumps Sdn. Bhd. Grundfos Srbija d.o.o. GRUNDFOS POMPA San. ve Tic. Ltd. 7 Jalan Peguam U1/25 Omladinskih brigada 90b Sti. Glenmarie Industrial Park 11070 Novi Beograd Gebze Organize Sanayi Bölgesi 40150 Shah Alam Phone: +381 11 2258 740...
- Page 24 97515233 1119 ECM: 1272550 www.grundfos.com...