Grundfos DWK User manual

DWK

Installation and operating instructions

QR97515233

Installation and operating instructions

(all available languages)

http://net.grundfos.com/qr/i/97515233

GRUNDFOS INSTRUCTIONS

DWK

English (GB)

Installation and operating instructions ..................................5

Čeština (CZ)

Montážní a provozní návod ........................................23

Deutsch (DE)

Montage- und Betriebsanleitung .....................................42

Dansk (DK)

Monterings- og driftsinstruktion ......................................65

Español (ES)

Instrucciones de instalación y funcionamiento............................83

Français (FR)

Notice d'installation et de fonctionnement..............................103

Hrvatski (HR)

Montažne i pogonske upute .......................................123

Magyar (HU)

Telepítési és üzemeltetési utasítás ..................................141

Italiano (IT)

Istruzioni di installazione e funzionamento .............................160

Lietuviškai (LT)

Įrengimo ir naudojimo instrukcija ....................................182

Polski (PL)

Instrukcja montażu i eksploatacji....................................200

Português (PT)

Instruções de instalação e funcionamento .............................220

Română (RO)

Instrucţiuni de instalare şi utilizare...................................241

Srpski (RS)

Uputstvo za instalaciju i rad .......................................260

Slovensko (SI)

Navodila za montažo in obratovanje .................................278

Slovenčina (SK)

Návod na montáž a prevádzku .....................................296

Türkçe (TR)

Montaj ve kullanım kılavuzu .......................................315

Table of contents

中文 (CN)

安装和使用说明书 ..............................................333

한국어 (KO)

설치 및 작동 지침 ..............................................349

Bahasa Indonesia (ID)

Petunjuk pengoperasian dan pemasangan.............................367

(AR) ةيبرعلا

    .............................................386

Appendix A..................................................403

4DWK

Table of contents

English (GB) Installation and operating instructions

Original installation and operating instructions

Table of contents

1. General information ............. 6

1.1 Hazard statements .............. 6

1.2 Notes ..................... 6

1.3 Target group.................. 6

2. Product introduction ............ 7

2.1 Product description .............. 7

2.2 Intended use ................. 7

2.3 Pumped liquids ................ 7

2.4 Identification.................. 7

3. Receiving the product............ 9

3.1 Transporting the product ........... 9

3.2 Handling and lifting the product ....... 9

4. Mechanical installation ...........10

4.1 Installation requirements ...........10

4.2 Free-standing installation ...........11

5. Electrical connection ............12

5.1 Wiring diagram ................13

5.2 Frequency converter operation ........14

5.3 Thermal protection ..............14

5.4 Pump controllers ...............14

6. Preparations before startup ........16

6.1 Startup.....................16

6.2 Operating modes ...............16

6.3 Checking the direction of rotation ......18

7. Maintenance and service ..........18

7.1 Maintenance schedule ............18

7.2 Oil check and change.............19

7.3 Contaminated pumps .............19

8. Storing the product .............20

9. Fault finding .................20

9.1 The motor does not start, the fuses blow

or the motor protector trips out

immediately ..................20

9.2 The pump operates but the motor

protector trips after a short while .......21

9.3 The thermal switch of the pump trips after

a short while..................21

9.4 The pump operates at below-standard

performance and power consumption ....21

9.5 The pump operates, but gives no liquid . ..21

9.6 The pump is clogged .............21

10. Technical data ................21

10.1 Operating conditions .............21

11. Disposing of the product ..........22

12. Document quality feedback ........22

English (GB)

1. General information

Read this document before you install the

product. Installation and operation must

comply with local regulations and accepted

codes of good practice.

1.1 Hazard statements

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.

WARNING

Indicates a hazardous situation which, if

not avoided, could result in death or

serious personal injury.

CAUTION

Indicates a hazardous situation which, if

not avoided, could result in minor or

moderate personal injury.

The hazard statements are structured in the following

way:

SIGNAL WORD

Description of the hazard

Consequence of ignoring the warning

• Action to avoid the hazard.

1.2 Notes

The symbols and notes below may appear in

Grundfos installation and operating instructions,

safety instructions and service instructions.

Observe these instructions for explosion-

proof products.

A blue or grey circle with a white graphical

symbol indicates that an action must be

taken.

A red or grey circle with a diagonal bar,

possibly with a black graphical symbol,

indicates that an action must not be taken

or must be stopped.

If these instructions are not observed, it

may result in malfunction or damage to the

equipment.

Tips and advice that make the work easier.

1.3 Target group

These installation and operating instructions are

intended for professional installers.

English (GB)

2. Product introduction

2.1 Product description

The pumps are designed with enclosed or semi-open

impeller for use in a wide range of applications in

industrial and construction building sites.

All pumps are supplied with a 10 m cable and a free

cable end.

TM044143

DWK pump

Pos. Description

1Lifting bracket

2Nameplate

3Motor

4Oil plug

5Outlet flange or hose connection

6Cable inlet

7Top cover

8Inlet strainer

9Pump housing

2.2 Intended use

The pumps are designed for pumping surface,

drainage and underground water containing

abrasives, such as sand or gravel.

2.3 Pumped liquids

The pumps are designed for transferring the following

liquids:

• underground water

• drainage- and surface water.

2.4 Identification

2.4.1 Nameplate

Fix the extra nameplate supplied with the product at

the installation site or production location, so the data

can be checked when necessary. Make sure that the

nameplate is visible.

The nameplate is fitted to the top cover of the pump.

IP68

Type:

Model:

Hmax:

Motor:

Weight:

Qmax:

Insul.class:

P1/P2:

Tmax.:

CosΦ :

P.c.:

16 11 14 17

7 4 8

99657184

U.K Importer:

Grundfos Pumps ltd.

Grovebury Road

Leighton Buzzard

Bedfordshire LU74TL

TM044365

Nameplate on product

TM1040583

Nameplate in packaging

English (GB)

24 25

TM1040582

Nameplate for products in China

Pos. Description

1 Type designation

2 Material No. + Serial No.

3 Maximum head [m]

4 Maximum flow [l/s]

5 Maximum liquid temperature [°C]

6 Maximum installation depth [m]

7 Enclosure class

8 Insulation class/temperature class

9 Power factor

10 Number of phases

11 Frequency [Hz]

12 Motor input and output power P1/P2 [kW]

13 Speed [rpm]

14 Rated voltage [V] (delta connection)

15 Rated current [A] (delta connection)

16 Weight [kg]

17 Rated voltage [V] (star connection)

18 Rated current [A] (star connection)

20 Duty point Q [m3/h]

21 Duty point H [m]

22 Size of flange

23 Temperature rise [K]

24 Product type

25 Company standard

32 Production code (year and week)

2.4.2 Type key

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

O Semi-open impeller

Impeller typeE Enclosed impeller

H High-head, double impeller

6 Maximum solids size [mm] Strainer hole size

50 Nominal diameter of pump

outlet [mm] Pump outlet

15 Output power P2 15 = 1.5

kW 1) Power [kW]

[ ] Standard Equipment

5 50 Hz Frequency [Hz]

6 60 Hz

0D 380-415 V, DOL

Voltage and starting

method

1D 380-415 V, Y/D

0E 220-240 V, DOL

1E 220-240 V, Y/D

[ ] Standard Pump version

RCast iron 2)

Z Custom-built variant Customisation

1) Exception: Code 075 = 0.75 kW.

2) Pump with high-chrome stainless steel impeller and

stainless steel inlet strainer.

English (GB)

3. Receiving the product

The product is supplied in proper packing in which it

must remain until it is to be installed.

Make sure that the product cannot roll or

fall over.

If the product is not installed immediately, the free end

of the power cable or the sensor cables must be

protected from moisture, which could otherwise

penetrate into the motor windings. This must be done

as soon as the product is received.

Protect the cables by fitting a cable cap or by

wrapping the free end of the cable in plastic and

securing the plastic with strong waterproof tape.

3.1 Transporting the product

The pumps can be transported and stored in vertical

or horizontal position, except for the 0.75 - 15 kW

range which can only be transported and stored

vertically. Make sure that it cannot roll or fall over.

Make sure that the received product corresponds to

the order.

In case of damage or missing parts, inform the

transport company or the manufacturer immediately.

3.2 Handling and lifting the product

Use approved lifting equipment only.

The weight of the specific product is stated on the

nameplate.

WARNING

Crushing hazard

Death or serious personal injury

‐Do not work near or under suspended

loads.

‐The area below the lifted pump must

be clear of people and marked off.

WARNING

Crushing hazard

Death or serious personal injury

‐All lifting equipment must be rated for

the purpose and checked for damage

before lifting the product. The lifting

equipment rating must not be

exceeded.

CAUTION

Crushing hazard

Minor or moderate personal injury

‐Make sure that the pump cannot swing

during lifting.

‐Place the pump on a solid foundation.

‐Make sure that the pump cannot roll or

fall over.

WARNING

Crushing hazard

Minor or moderate personal injury

‐Before lifting the package, check the

centre of gravity marked on the box.

‐Always check the lifting bracket and

chain for corrosion or wear before

lifting.

‐Always lift the pump by its lifting

bracket or by a forklift truck.

‐Never lift the pump by the power cable,

hose or pipe.

‐Do not stack pump packages.

CAUTION

Crushing hazard

Minor or moderate personal injury

‐Make sure that the lifting bracket is

tightened before lifting the pump.

3.2.1 Correct lifting sequence

TM070306

Raising the pump to vertical position, step 1

TM070307

Raising the pump to vertical position, step 2

English (GB)

TM070308

Raising the pump to vertical position, step 3

Do not lift the pump by the brackets of the

motor.

TM070309

DWK motor bracket location

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

‐Before installation, switch off the power

supply and lock the main switch in

position 0.

‐Before working on the pump, switch off

any external voltage connection.

DANGER

Electric shock

Death or serious personal injury

‐Before installation and the first startup,

check the power cable for

visible defects and measure the cable

resistance to avoid short circuits.

DANGER

Electric shock

Death or serious personal injury

‐Make sure that the earthing is

connected first.

4.1 Installation requirements

Before installation, check that the pump is suitable for

the supply voltage and frequency available at the

installation site.

Pump installation in pits must be carried

out by trained persons.

Make sure that there is enough fresh air in

the pit.

All work in pits must be supervised by a

person outside the pump pit.

DANGER

Electric shock

Death or serious personal injury

‐Before installation, switch off the power

supply and lock the mains switch in

position 0.

English (GB)

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