Related Manuals for Grundfos DWK
Summary of Contents for Grundfos DWK
- Page 1 GRUNDFOS INSTRUCTIONS Installation and operating instructions QR97515233 Installation and operating instructions (all available languages) http://net.grundfos.com/qr/i/97515233...
- Page 3 English (GB) Installation and operating instructions ........5 Čeština (CZ) Montážní...
- Page 4 中文 (CN) 安装和使用说明书 ..........333 한국어...
-
Page 5: Table Of Contents
English (GB) Installation and operating instructions Original installation and operating instructions Document quality feedback ..22 Table of contents General information ... . . 6 Hazard statements . -
Page 6: General Information
1.3 Target group These installation and operating instructions are 1.1 Hazard statements intended for professional installers. The symbols and hazard statements below may appear in Grundfos installation and operating instructions, safety instructions and service instructions. DANGER Indicates a hazardous situation which, if not avoided, will result in death or serious personal injury. -
Page 7: Product Introduction
All pumps are supplied with a 10 m cable and a free The nameplate is fitted to the top cover of the pump. cable end. U.K Importer: Grundfos Pumps ltd. Grovebury Road Leighton Buzzard Bedfordshire LU74TL Type: Model: P.c.:... - Page 8 24 25 The pump can be identified by the type designation stated on the nameplate. Example: DWK.O.6.50.15.5.0D.R Code Description Explanation DWK Dewatering pump Pump type Semi-open impeller Enclosed impeller Impeller type High-head, double impeller Maximum solids size [mm] Strainer hole size...
-
Page 9: Receiving The Product
3. Receiving the product WARNING Crushing hazard The product is supplied in proper packing in which it Minor or moderate personal injury must remain until it is to be installed. ‐ Before lifting the package, check the centre of gravity marked on the box. Make sure that the product cannot roll or ‐... -
Page 10: Mechanical Installation
4. Mechanical installation DWK pumps are suitable for free-standing installation with a hose or flange connection on the top of the motor. DWK.H pumps can be ordered with optional auto coupling installation. DANGER Electric shock Death or serious personal injury ‐... -
Page 11: Free-Standing Installation
For customised installation, contact Grundfos. 4. Fasten the relief fitting to a suitable hook. WARNING 5. Connect the power and sensor cables, if any. -
Page 12: Electrical Connection
Make sure that the electrical connection complies with local regulations. Do not install Grundfos control boxes and pump controllers in potentially explosive environments. Connect the pump to a control box with a motor-protective relay with IEC trip class 10 or 15. -
Page 13: Wiring Diagram
5.1 Wiring diagram MCCB S / S F / L MCCB F / L OP . TR T / P T / P S / S S / S GU 01 / GU 02 T / P T / P S / S S / S SR/S 1 .M Direct-on-line starting... -
Page 14: Frequency Converter Operation
The cable 5.4.1 Level controllers influence is not taken into account. See the The liquid level can be controlled by the Grundfos LC frequency converter data sheet regarding the level controllers. actual values and the cable influence on the peak Suitable level controllers, depending on the size of voltage and dU/dt. - Page 15 LC 231 supports analog level transmitters, digital • high level (optional). float switches and combinations of both. Air bells Analogue level transmitters can be used, and all are available as an accessory. levels can be customised. Level switches can be •...
-
Page 16: Preparations Before Startup
GU01 and GU02 are manufactured for Grundfos. For further information, contact Grundfos. LC 231 and LC 241 controllers can handle the same If star-delta starting is used, keep the... - Page 17 S3 operation the pump is completely submerged, it is sufficiently cooled by the surrounding liquid. High-level float switch Level transmitter DWK.O pumps must be fully submerged Start for S1 operation. Stop S3, intermittent operation S3 operation is a series of 10-minute duty cycles (TC): the pump must run for maximum 4 minutes and stop for minimum 6 minutes.
-
Page 18: Checking The Direction Of Rotation
6.3 Checking the direction of rotation 7. Maintenance and service Check the direction of rotation every time the pump is connected to a new installation. 7.1 Maintenance schedule 1. Remove the pump from the system. Under normal operating conditions, remove the pump 2. -
Page 19: Oil Check And Change
(water) in the oil chamber, the shaft seal is defective. water, and rinse the pump parts after dismantling. Use original parts only. Before returning the product for service, contact Grundfos with details about the pumped liquid. Otherwise, Grundfos can deny to service the product. -
Page 20: Storing The Product
If the impeller cannot be turned, contact The impeller is blocked • Clean the impeller. Grundfos or an authorised service by impurities. workshop. The level pickup, float • Check the level switch or electrode is... -
Page 21: The Pump Operates But The Motor Protector Trips After A Short While
Maximum operating altitude 2000 m above sea level 9.4 The pump operates at below-standard If the pump is not completely submerged. performance and power consumption In case of higher densities, contact Grundfos. Cause Remedy Related information The impeller is blocked •... -
Page 22: Disposing Of The Product
1. Use the public or private waste collection service. 2. If this is not possible, contact the nearest Grundfos company or service workshop. The crossed-out wheelie bin symbol on a product means that it must be disposed of separately from household waste. - Page 23 Appendix A A.1. Dimensions and weights DWK.O Pump dimensions with hose connection Pump dimensions with flange connection DWK.O.6.50/80.xx and DWK.O.10.80.37 Dimensions [mm] Pump type Connection type Weight [kg] V2 V3 V4 Hose 438 235 110 215 398 462 65 202 DWK.O.6.50.075...
- Page 24 DWK.O.10.100.37 and DWK.O.13.xx.xx Pump dimensions with hose connection Pump dimensions with flange connection Dimensions [mm] Pump type Connection type Weight [kg] Hose 286 134 100 253 591 691 90 234 DWK.O.10.100.37 Flange 321 134 100 253 591 731 90 234...
- Page 25 DWK.E Pump dimensions with hose connection Pump dimensions with flange connection Dimensions [mm] Pump type Connection type Weight [kg] Hose 432 235 100 470 1099 1117 183 470 DWK.E.10.100.220 Flange 432 235 100 470 1099 1342 183 470 Hose 432 235 150 470 1099 1232 183 470 DWK.E.10.150.220...
- Page 26 Weight [kg] Flange 532 306 200 612 1318 1561 220 557 Hose 532 306 200 612 1318 1411 220 557 DWK.E.10.200.550 Flange 532 306 200 612 1318 1561 220 557 Hose 532 306 200 612 1418 1511 220 557 DWK.E.10.200.750...
- Page 27 Argentina Columbia Hong Kong Bombas GRUNDFOS de Argentina S.A. GRUNDFOS Colombia S.A.S. GRUNDFOS Pumps (Hong Kong) Ltd. Ruta Panamericana km. 37.500industin Km 1.5 vía Siberia-Cota Conj. Potrero Unit 1, Ground floor, Siu Wai industrial 1619 - Garín Pcia. de B.A.
- Page 28 Lithuania Serbia Turkey GRUNDFOS Pumps UAB Grundfos Srbija d.o.o. GRUNDFOS POMPA San. ve Tic. Ltd. Smolensko g. 6 Omladinskih brigada 90b Sti. LT-03201 Vilnius 11070 Novi Beograd Gebze Organize Sanayi Bölgesi Tel.: + 370 52 395 430 Tel.: +381 11 2258 740...
- Page 29 97515233 06.2023 ECM: 1370555 www.grundfos.com...