Grundfos DME 60-10 AR-PP/E/C-F-311F Installation And Operating Instructions Manual

DME, Variant AR and AP (60-940 l/h)

Installation and operating instructions

GRUNDFOS INSTRUCTIONS

Further languages

http://net.grundfos.com/qr/i/99301274

2

3

Table of contents

DME, Variant AR and AP (60-940 l/h)

English (GB)

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

Čeština (CZ)

Montážní a provozní návod. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Deutsch (DE)

Montage- und Betriebsanleitung . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Dansk (DK)

Monterings- og driftsinstruktion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

Eesti (EE)

Paigaldus- ja kasutusjuhend. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140

Español (ES)

Instrucciones de instalación y funcionamiento . . . . . . . . . . . . . . . . . . . . . . . . 174

Suomi (FI)

Asennus- ja käyttöohjeet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208

Français (FR)

Notice d'installation et de fonctionnement. . . . . . . . . . . . . . . . . . . . . . . . . . . . 242

Ελληνικά (GR)

Οδηγίες εγκατάστασης και λειτουργίας . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277

Hrvatski (HR)

Montažne i pogonske upute . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311

Magyar (HU)

Telepítési és üzemeltetési utasítás. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345

Italiano (IT)

Istruzioni di installazione e funzionamento . . . . . . . . . . . . . . . . . . . . . . . . . . . 379

Lietuviškai (LT)

Įrengimo ir naudojimo instrukcija . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 413

Latviešu (LV)

Uzstādīšanas un ekspluatācijas instrukcija. . . . . . . . . . . . . . . . . . . . . . . . . . . 447

Nederlands (NL)

Installatie- en bedieningsinstructies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 481

Polski (PL)

Instrukcja montażu i eksploatacji . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 515

Português (PT)

Instruções de instalação e funcionamento . . . . . . . . . . . . . . . . . . . . . . . . . . . 549

Română (RO)

Instrucţiuni de instalare şi utilizare . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 583

Table of contents

4

DME, Variant AR and AP (60-940 l/h)

Srpski (RS)

Uputstvo za instalaciju i rad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 617

Svenska (SE)

Monterings- och driftsinstruktion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 651

Slovensko (SI)

Navodila za montažo in obratovanje. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 685

Türkçe (TR)

Montaj ve kullanım kılavuzu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 719

中文 (CN)

安装和使用说明书 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 753

日本語 (JP)

取扱説明書 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .785

Norsk (NO)

Installasjons- og driftsinstruksjoner. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 820

Appendix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 854

English (GB)

5

English (GB) Installation and operating instructions

Original installation and operating instructions

CONTENTS

Page

1. Safety instructions

These installation and operating instructions contain

general instructions that must be observed during

installation, operation and maintenance of the pump.

It must therefore be read by the installation engineer

and the relevant qualified operator prior to

installation and start-up, and must be available at the

installation location at all times.

1.1 Symbols used in this document

1.2 Qualification and training of personnel

The personnel responsible for the installation,

operation and service must be appropriately

qualified for these tasks. Areas of responsibility,

levels of authority and the supervision of the

personnel must be precisely defined by the operator.

If necessary, the personnel must be trained

appropriately.

1. Safety instructions

5

1.1 Symbols used in this document

5

1.2 Qualification and training of personnel

5

1.3 Safety instructions for the operator/user

6

1.4 Safety of the system in the event of a

failure in the dosing pump

6

1.5 Dosing chemicals

6

1.6 Diaphragm breakage

7

1.7 Operation with loose dosing head screws

7

2. General description

8

2.1 Applications

8

2.2 Improper operating methods

8

2.3 Identification

9

3. Technical data

10

3.1 Mechanical data

10

3.2 Electrical data

11

3.3 Input/output data

11

3.4 Approvals

11

3.5 Dimensions

11

4. Installation

12

4.1 Safety instructions

12

4.2 Installation environment

12

4.3 Installation of pump

12

4.4 Installation example

13

4.5 Electrical connection

13

4.6 Connection overview

14

5. Functions

16

5.1 Control panel

16

5.2 Start/stop of pump

17

5.3 Priming/venting of pump

17

5.4 Level control

17

5.5 Diaphragm leakage sensor

17

5.6 Alarm output and indicator lights

18

5.7 Fieldbus communication

19

5.8 Menu

20

5.9 Operating modes

21

5.10 Manual

21

5.11 Pulse

21

5.12 Analog

22

5.13 Timer

23

5.14 Batch

24

5.15 Anti-cavitation

24

5.16 Capacity limitation

25

5.17 Counters

25

5.18 Resetting

26

5.19 Return

26

5.20 Language

26

5.21 Input setup

27

5.22 Empty tank (alarm)

28

5.23 Measuring units

28

5.24 Dosing monitoring

29

5.25 Control panel lock

30

6. Start-up

31

7. Calibration

32

7.1 Direct calibration

33

7.2 Check calibration

34

8. Service

34

8.1 Regular maintenance

34

8.2 Cleaning

34

8.3 Perform service

35

8.4 Diaphragm breakage

36

8.5 Operation with loose dosing head screws

37

8.6 Repairs

37

9. Fault finding chart

38

10. Disposal

38

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.

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.

English (GB)

6

Risks of not observing the safety instructions

Non-observance of the safety instructions may have

dangerous consequences for the personnel, the

environment and the pump and may result in the loss

of any claims for damages.

It may lead to the following hazards:

• Personal injury from exposure to electrical,

mechanical and chemical influences.

• Damage to the environment and personal injury

from leakage of harmful substances.

1.3 Safety instructions for the operator/

user

The safety instructions described in these

instructions, existing national regulations on health

protection, environmental protection and for accident

prevention and any internal working, operating and

safety regulations of the operator must be observed.

Information attached to the pump must be observed.

Leakages of dangerous substances must be

disposed of in a way that is not harmful to the

personnel or the environment.

Damage caused by electrical energy must be

prevented, see the regulations of the local electricity

supply company.

Only orginal accessories and original spare parts

should be used. Using other parts can result in

exemption from liability for any resulting

consequences.

1.4 Safety of the system in the event of a

failure in the dosing pump

The dosing pump was designed according to the

latest technologies and is carefully manufactured

and tested.

If it fails regardless of this, the safety of the overall

system must be ensured. Use the relevant

monitoring and control functions for this.

1.5 Dosing chemicals

Caution

Before starting work on the pump, the

pump must be disconnected from the

power supply. The system must be

pressureless!

Note

The mains plug is the separator separating

the pump from the mains.

Caution

Make sure that any chemicals that are

released from the pump or any damaged

lines do not cause damage to system parts

and buildings.

The installation of leak monitoring

solutions and drip trays is recommended.

Warning

Before switching the supply voltage back

on, the dosing lines must be connected in

such a way that any chemicals in the

dosing head cannot spray out and put

people at risk.

The dosing medium is pressurised and can

be harmful to health and the environment.

Warning

When working with chemicals, the

accident prevention regulations applicable

at the installation site should be applied

(e.g. wearing protective clothing).

Observe the chemical manufacturer's

safety data sheets and safety instructions

when handling chemicals!

Warning

The pump must be equipped with a

diaphragm leakage detection when used

for crystallising media.

Caution

A deaeration hose, which is routed into a

container, e.g. a drip tray, must be

connected to the deaeration valve.

Caution

The dosing medium must be in liquid

aggregate state!

Observe the freezing and boiling points of

the dosing medium!

Caution

The resistance of the parts that come into

contact with the dosing medium, such as

the dosing head, valve ball, gaskets and

lines, depends on the medium, media

temperature and operating pressure.

Ensure that parts in contact with the

dosing medium are resistant to the dosing

medium under operating conditions, see

data booklet!

Should you have any questions regarding

the material resistance and suitability of

the pump for specific dosing media, please

contact Grundfos.

English (GB)

7

1.6 Diaphragm breakage

If the diaphragm leaks or is broken, dosing liquid

escapes from the drain opening (fig. 1) on the dosing

head. Observe section 8.4 Diaphragm breakage.

To avoid any danger resulting from diaphragm

breakage, observe the following:

• Perform regular maintenance.

See section 8.1 Regular maintenance.

• Never operate the pump with blocked or soiled

drain opening.

– If the drain opening is blocked or soiled,

proceed as described in section

8.3.2 Dismantling the diaphragm and valves.

• Never attach a hose to the drain opening. If a

hose is attached to the drain opening, it is

impossible to recognise escaping dosing liquid.

• Take suitable precautions to prevent harm to

health and damage to property from escaping

dosing liquid.

• Never operate the pump with damaged or loose

dosing head screws.

1.7 Operation with loose dosing head

screws

Warning

Danger of explosion, if dosing liquid has

entered the pump housing!

Operation with damaged diaphragm can

lead to dosing liquid entering the pump

housing.

In case of diaphragm breakage,

immediately separate the pump from the

power supply!

Make sure the pump cannot be put back

into operation by accident!

Dismantle the dosing head without

connecting the pump to the power supply

and make sure no dosing liquid has

entered the pump housing. Proceed as

described in section 8.3.2 Dismantling the

diaphragm and valves.

Warning

Danger of explosion, if dosing liquid has

entered the pump housing!

Operation with damaged or loose dosing

head screws can lead to dosing liquid

entering the pump housing.

If the pump was operated with damaged or

loose dosing head screws, immediately

separate the pump from the power supply!

Make sure the pump cannot be put back

into operation by accident!

Dismantle the dosing head without

connecting the pump to the power supply

and make sure no dosing liquid has

entered the pump housing. Proceed as

described in section 8.3.2 Dismantling the

diaphragm and valves.

English (GB)

8

2. General description

The Grundfos DME dosing pump is a self-priming

diaphragm pump.

The pump consists of:

•a cabinet incorporating the drive unit and

electronics,

•a dosing head with back plate, diaphragm,

valves, connections and vent valve,

•a control panel incorporating display and

buttons. The control panel is fitted either to the

front or to the side of the cabinet.

The motor is controlled in such a way that the dosing

gets as even and constant as possible, irrespective

of the capacity range in which the pump is operating.

This is carried out as follows:

The speed of the suction stroke is kept constant and

the stroke relatively short, irrespective of the

capacity. Contrary to conventional pumps, which

generate the dosing stroke as a short pulse, the

duration of the dosing stroke will be as long as

possible. Thus, an even dosing without peak values

is ensured. As the pump is always dosing at full

stroke length, it ensures the same high accuracy and

suction capability, irrespective of the capacity, which

is infinitely variable in the ratio of 1:800.

The pump features an LCD display and a user-

friendly control panel which gives access to the

pump functions.

2.1 Applications

The pump is suitable for liquid, non-abrasive, non-

flammable and non-combustible media strictly in

accordance with the instructions in these installation

and operating instructions.

Areas of application (among others)

• drinking water treatment

• wastewater treatment

• cooling water treatment

• washing systems

• process water treatment

• chemical industry.

2.2 Improper operating methods

The operational safety of the pump is only

guaranteed if it is used in accordance with section

2.1 Applications.

Warning

Other applications or the operation of

pumps in ambient and operating

conditions, which are not approved, are

considered improper and are not

permitted. Grundfos cannot be held liable

for any damage resulting from incorrect

use.

Warning

The pump must be equipped with a

diaphragm leakage detection when used

for crystallising media.

Warning

The pump is NOT approved for operation

in potentially explosive areas!

Warning

A sunscreen is required for outdoor

installation!

English (GB)

9

2.3 Identification

2.3.1 Type key

(Cannot be used for pump configuration.)

Code Example DME 60 - 10 AR - PP/ E/ C - F - 3 1 1 F

Pump range

Maximum capacity [l/h]:

60

150

375

940

Maximum pressure [bar]:

4

10

AR

AP

Control variant:

Standard

Standard + Profibus

PP

PV

SS

Dosing head material:

Polypropylene

PVDF

Stainless steel 1.4401

E

T

V

Gasket material:

EPDM

PTFE

FKM

C

G

SS

T

Valve ball material:

Ceramics

Glass

Stainless steel 1.4401

PTFE

F

S

Control panel:

Front-fitted

Side-fitted

3

Voltage:

1 x 100-240 V, 50/60 Hz

1

2

Valves:

Standard valve

Spring-loaded valve

A1

A2

Q

Connection, suction/discharge:

Threaded Rp 3/4

Threaded Rp 1 1/4

Tubing 19/27 mm + 25/34 mm

F

G

I

B

J

E

L

Mains plug:

EU (Schuko)

UK

AU

USA

JP

CH

Argentina

English (GB)

10

2.3.2 Nameplate

Fig. 1 Nameplate

3. Technical data

3.1 Mechanical data

*

1

Irrespective of counter pressure *

2

Maximum suction lift 1 metre

TM07 6282 1220

H

QU

Type

Model

f

P

max

Imax

96653893

Made in France

HzV

~

A l/h

MPa ( Bar)

WIP 65

GWT, 76327 Pfinztal, Germany

12 3 45 6 7

8910

Pos. Description Pos. Description

1 Type designation 6 Enclosure class

2 Voltage 7 Marks of approval

3 Frequency 8 Country of origin

4 Power consumption 9 Max. operating pressure

5 Max. dosing flow 10 Model

DME 60 DME 150 DME 375 DME 940

Maximum capacity*

1

[l/h] 60 150 376 940

Maximum capacity with anti-cavitation 75 %*

1

[l/h] 45 112 282 705

Maximum capacity with anti-cavitation 50 %*

1

[l/h] 33.4 83.5 210 525

Maximum capacity with anti-cavitation 25 %*

1

[l/h] 16.1 40.4 101 252

Maximum pressure [bar] 10 4 10 4

Maximum stroke rate per minute [strokes/min.] 160

Maximum suction lift during operation [m] 6

Maximum suction lift when priming with wet valves [m] 1.5

Maximum viscosity with spring-loaded valves [mPa s]*

2

3000 [mPa s] at 50 % capacity

Maximum viscosity without spring-loaded valves [mPa s]*

2

200

Diaphragm diameter [mm] 79 106 124 173

Liquid temperature [°C] 0 to 50

Ambient temperature [°C] 0 to 45

Accuracy of repeatability ± 1 %

Sound pressure level [dB(A)] < 70

English (GB)

11

3.2 Electrical data

3.3 Input/output data

The pump offers various input and output options, depending on control variant.

3.4 Approvals

* NSF61 is only valid for DME 375 and DME 940 standard range (without spring loaded valves).

Certification is based upon a dose rate that yields a sodium hydroxide (NaOH) concentration in potable

water that does not exceed 200 mg/L.

Certification is based upon a dose rate that yields a sodium hypochlorite (NaOCl) concentration in potable

water that does not exceed 84 mg/L.

Certification of this product has been performed to the health effects requirements of NSF/ANSI Standard

61, which assesses the acceptability of potential extractants from the chemical pump. No evaluation has

been performed on the strength or efficacy of the chemical fed. The specified chemicals are not certified by

UL to NSF/ANSI Standard 60, so the operation, maintenance and the consistency of the source ingredients

may affect the performance of the dosing pump.

3.5 Dimensions

See dimensions at the end of these instructions.

All dimensions are in mm.

DME 60 DME 150 DME 375 DME 940

Supply voltage [VAC] 1 x 100-240 V

Maximum current consumption [A]

at 100 V 1.25 2.4

at 230 V 0.67 1.0

Maximum power consumption P

1

[W] 67.1 240

Frequency [Hz] 50/60

Enclosure class IP65

Installation category II

Pollution degree 2

Insulation class B

Supply cable 1.5 m H05RN-F with plug

Signal input

Voltage in level sensor input [VDC] 5

Voltage in pulse input [VDC] 5

Minimum pulse-repetition period [ms] 3.3

Impedance in analog 0/4-20 mA input [Ω]

The analog input requires a signal which is isolated from frame.

Min. resistance to frame: 50 kΩ

250

Maximum loop resistance in pulse signal circuit [Ω] 250

Maximum loop resistance in level signal circuit [Ω] 250

Signal output

Maximum load of alarm relay output, at ohmic load [A] 2

Maximum voltage, alarm relay output [V] 42

Approvals CE, CSA-US, EAC, NSF61*

English (GB)

12

4. Installation

4.1 Safety instructions

• Liquid is under pressure and may be hazardous.

• When working with chemicals, local safety rules

and regulations must be observed (e.g. wear

protective clothes).

• Before starting work on the dosing pump and

system, disconnect the electricity supply to the

pump, ensuring that it cannot be accidentally

switched on. Before reconnecting the electricity

supply, make sure that the dosing hose is

positioned in such a way that any chemical left in

the dosing head is not ejected, thereby exposing

persons to danger.

• If the vent valve in the dosing head is used, it

must be connected to a hose which is led back to

the tank.

• When changing a chemical, make sure that the

materials of the dosing pump and system are

resistant to the new chemical. If there is any risk

of chemical reaction between the two types of

chemicals, clean the pump and system

thoroughly before adding the new chemical.

Proceed as follows:

Place the suction tube in water and press the

button until residual chemical has been removed.

Note: When the buttons and are pressed

simultaneously, the pump can be set to run for a

specific number of seconds at maximum

capacity. The remaining number of seconds will

appear in the display. The maximum value is 300

seconds.

4.2 Installation environment

• Exposure to direct sunlight should be avoided.

This applies especially to pumps with plastic

dosing heads, as this material can be damaged

by sunlight.

• If the pump is installed outside, an enclosure or

similar protection is required to protect the pump

against rain and similar weathers.

4.3 Installation of pump

• See also the installation example in section

4.4 Installation example.

• Always install the pump on the supporting foot

with vertical suction and discharge ports.

• Always use suitable tools for the mounting of

plastic parts. Never apply unnecessary force.

• Make sure that the dosing pump and system are

designed in such a way that neither system

equipment nor buildings are damaged in case of

leakage from the pump or rupture of hoses/pipes.

The installation of leakage hoses and collecting

tanks is recommended.

• Make sure that the drain hole in the dosing head

points downwards, see fig. 1.

Fig. 1

100%

Caution

The dosing head may contain water from

the factory test. If a liquid which must not

come into contact with water is to be

dosed, it is recommended to let the pump

run with another liquid to remove the water

from the dosing head before installation.

Caution

Cross-tighten the dosing head screws with

a torque wrench once before

commissioning and again after 2-5

operating hours at 5.5 Nm (+ 0.5/- 0 Nm).

Caution

Never attach a hose to the drain opening.

TM02 7066 0315

Drain hole

English (GB)

13

4.4 Installation example

The drawing in fig. 2 shows an installation example.

Fig. 2

4.5 Electrical connection

• The electrical connection of the pump should be

carried out by qualified persons in accordance

with local regulations.

• For electrical data of the pump, see section

3.2 Electrical data.

• Do not lay signal cables, if any, together with

power cables.

The DME pump can be installed in many different ways. The sketch below shows an example with side-

fitted control panel. The tank is a Grundfos chemical tank with a Grundfos level control unit.

TM02 7065 0604

Warning

Danger to life due to non-tripping of the

residual current device (RCD)!

If the pump is connected to an electric

installation where a residual current device

(RCD) is used as an additional protection,

this RCD must trip when earth fault

currents with DC content (pulsating DC)

and smooth DC earth fault currents occur.

This means that a RCD type B, sensitive to

universal current, must be used.

English (GB)

14

4.6 Connection overview

Fig. 3

Cable 1: Input for analog signal, pulse signal and diaphragm leakage

* Grundfos diaphragm leakage sensor, product number 96534443.

Cable 2: Alarm relay output

TM02 7069 0307

Cable 1

See table below

Cable 2

See table below

Cable 3

See table below

Cable 4

See table below

2

1

3

4

5

3

1

4

2

3

1

2

3

1

5

2

5

2

3 1

1

3

4

5

2

1

3

4

2

1

3

4

Number / colour 1 / brown 2 / white 3 / blue 4 / black 5 / grey

Function

Analog

(-) 4-20 mA

input

(+) 4-20 mA

input

Pulse Potential-free Potential-free

Pulse 5 V Ground

Number / colour 2 / black 3 / brown 4 / blue

Diaphragm leakage* 5 V PNP Ground

Number / colour 1 / brown 2 / white 3 / blue

Function

Alarm relay Common Normally open Normally closed

English (GB)

15

Cable 3: Input for dosing stop and dosing monitoring or dosing output

* Open collector (NPN) can be used for a relay or a lamp.

Fig. 4

Cable 4: Level input

* The function of the potential-free contact sets can

be selected via the control panel (NO = normally

open and NC = normally closed), see section

5.21 Input setup.

Number / colour 1 / brown 2 / white 3 / blue 4 / black 5 / grey

Function

Dosing stop (input) 5 V Ground

Dosing stop (input) Potential-free Potential-free

Dosing monitoring Potential-free Potential-free

Dosing monitoring Ground 5 V

Dosing output (pump

running)

Open collector

(NPN)*

Ground

1. Using the internal 5 VDC power supply:

Max. current: 100 mA

2. Using an external power supply:

Max. 24 VDC - 100 mA

TM03 7868 5006

TM03 7869 5006

Relay

Lamp

Power

Lamp

24 VDC

Number / colour 1 / brown 2 / white 3 / blue 4 / black

Function

Empty tank Potential-free* Potential-free*

Empty tank 5 V Ground

Low level Potential-free* Potential-free*

Low level 5 V Ground

English (GB)

16

5. Functions

5.1 Control panel

Fig. 5

TM02 7068 2503

100%

LCD display.

See section 5.8

Navigation/

settings.

See section 5.8

Green indicator

light.

See section 5.6

Maximum capacity

(priming).

See section 5.3

Red indicator light.

See section 5.6

M12 connection

analog/pulse/

leakage input.

See sections 5.11,

5.12, 5.5

Cable for Profibus

control.

See section 5.7

Connection alarm relay.

See section 5.6

Power supply

M12 connection

level control.

See section 5.4

M12 connection

stop dosing.

See section 5.2

On/off button.

See section 5.8

Navigation/

settings.

See section 5.8

Menu.

See section 5.8

English (GB)

17

5.2 Start/stop of pump

The pump can be started/stopped in two different

ways:

• Locally on the pump control panel.

• By means of an external on/off switch.

See connection overview in section

4.6 Connection overview.

5.3 Priming/venting of pump

The pump control panel incorporates a button.

Press this button if the maximum pump capacity is

required over a short period, e.g. during start-up.

When the button is released, the pump automatically

returns to the previous operating mode.

During priming/venting, it is recommended to let the

pump run without a counter pressure or to open the

vent valve.

Note: When the buttons and are pressed

simultaneously, the pump can be set to run for a

specific number of seconds at maximum capacity.

The remaining number of seconds will appear in the

display. The maximum value is 300 seconds.

5.4 Level control

The pump can be fitted with a level control unit for

monitoring of the chemical level in the tank.

The pump can react to two level signals. The pump

will react differently, depending on the influence on

the individual level sensors.

For connection of the level control unit and alarm

output, see section 4.6 Connection overview.

5.5 Diaphragm leakage sensor

The pump can be fitted with a diaphragm leakage

sensor, which detects diaphragm leakage.

The sensor should be connected to the drain hole in

the dosing head.

In case of diaphragm leakage, the signal from the

sensor generates an alarm and the alarm relay will

be activated. See also section 5.6 Alarm output and

indicator lights.

For connection of the diaphragm leakage sensor,

see section 4.6 Connection overview.

Level sensors Pump reaction

Upper sensor

activated (closed

contact)

• Red indicator light is on.

• Pump running.

• Alarm relay activated.

Lower sensor

activated (closed

contact)

• Red indicator light is on.

• Pump stopped.

• Alarm relay activated.

100%

English (GB)

18

5.6 Alarm output and indicator lights

The green and red indicator lights on the pump are

used for operating and fault indication.

In control variant "AR", the pump can activate an

external alarm signal by means of a built-in alarm

relay which must only be connected to a safety extra

low voltage (SELV) connection.

The alarm signal is activated by means of an internal

potential-free contact.

The functions of the indicator lights and the built-in

alarm relay appear from the table below.

Note

Connect the alarm relay only to voltages

which comply with the SELV requirements

in EN/IEC 60 335-1.

Condition Green LED Red LED Display Alarm output

Pump running On Off Normal indication

Set to stop Flashing Off Normal indication

Pump fault Off On EEPROM

Supply failure Off Off Off

Pump running, low

chemical level

1

On On LOW

Empty tank

1

Off On EMPTY

Analog signal < 2 mA Off On NO mA

The pump is running,

but the dosed

is too small according

to the signal from the

dosing monitor

2

On On NO FLOW

Overheating Off On MAX. TEMP.

Internal

communication fault

Off On INT. COM.

Internal Hall fault

3

Off On HALL

Diaphragm leakage

4

Off On LEAKAGE

Maximum pressure

exceeded

4

Off

5

On OVERLOAD

1 32

NC NO C

1 32

NC NO C

1

2 3

NC NO C

1 32

NC NO C

1

2 3

NC NO C

1

2 3

NC NO C

1

2 3

NC NO C

1

2 3

NC NO C

1

2 3

NC NO C

1

2 3

NC NO C

1

2 3

NC NO C

1

2 3

NC NO C

1

2 3

NC NO C

English (GB)

19

1

Requires connection to level sensors.

See section 5.22 Empty tank (alarm).

2

Requires activation of the dosing monitoring

function and connection to a dosing monitor.

3

Please contact a Grundfos service centre.

4

Alarms can be reset when the faults have

been corrected.

5

The pump will make 10 attempts to restart before

going into permanent OFF mode.

5.7 Fieldbus communication

The pump can be configured for fieldbus applications

(Profibus). Apart from the usual installation and

operating instructions, Profibus pumps are supplied

with a special Profibus installation and operating

instructions.

More pulses than

capacity

On On MAX. FLOW

No motor rotation

detected

3

Off On ORIGO

Condition Green LED Red LED Display Alarm output

1

2 3

NC NO C

1

2 3

NC NO C

English (GB)

20

5.8 Menu

The pump features a user-friendly menu which is

activated by pressing the button. During start-up,

all texts will appear in English language. To select

language, see section 5.20 Language.

All menu items are described in the following

sections. When appears at a menu item, it

means that this item is activated. By selecting

"RETURN" anywhere in the menu structure, you will

return to the operating display without changes.

Fig. 6



Applies only to versions with Profibus

See section 5.10 See section 5.25

See section 5.11 See section 5.18

See section 5.12 See section 5.19

See section 5.13 See section 5.20

See section 5.14 See section 5.16

See section 5.15 See section 5.21

See section 7. See section 5.22

See section 5.17 See section 5.23

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