Grundfos E Series Installation And Operating Instructions Manual

GRUNDFOS INSTRUCTIONS

Level transmitters

Installation and operating instructions

Types S, W, E

Other languages

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Grundfos

Product

Center

2

Table of contents

3

Level transmitters

English (GB)

Installation and operating instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Deutsch (DE)

Montage- und Betriebsanleitung . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Dansk (DK)

Monterings- og driftsinstruktion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Español (ES)

Instrucciones de instalación y funcionamiento . . . . . . . . . . . . . . . . . . . . . . . . 67

Français (FR)

Notice d'installation et de fonctionnement . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Lietuviškai (LT)

Įrengimo ir naudojimo instrukcija. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

Polski (PL)

Instrukcja montażu i eksploatacji. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129

Türkçe (TR)

Montaj ve kullanım kılavuzu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150

中文 (CN)

安装和使用说明书 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172

ﺔﻳﺑﺭﻌﻟﺍ (AR)

ﻝﻳﻐﺷﺗﻟﺍ ﻭ ﺏﻳﻛﺭﺗﻟﺍ ﺕﺎﻣﻳﻠﻌﺗ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211

Declaration of conformity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .212

English (GB)

4

English (GB) Installation and operating instructions

CONTENTS

Page

1. General information

5

1.1 Hazard statements

5

1.2 Notes

6

2. Receiving the product

6

3. Installing the product

7

3.1 Wiring diagram

8

4. Storing the product

10

5. Product introduction

10

5.1 Intended use

10

5.2 Pumped liquid

10

5.3 Identification

11

5.4 Accessories

13

6. Servicing the product

14

6.1 Maintaining the product

14

7. Fault finding the product

14

8. Technical data

17

8.1 Dimensions

17

8.2 Materials

20

8.3 Type S

21

8.4 Type E

22

8.5 Type W

23

9. Disposal

24

Read this document before installing the product. Installation and

operation must comply with local regulations and accepted codes

of good practice.

English (GB)

5

1. General information

1.1 Hazard statements

The symbols and hazard statements below may appear in Grundfos

installation and operating instructions, safety instructions and service

instructions.

The hazard statements are structured in the following way:

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.

SIGNAL WORD

Description of hazard

Consequence of ignoring the warning.

- Action to avoid the hazard.

English (GB)

6

1.2 Notes

The symbols and notes below may appear in Grundfos installation and

operating instructions, safety instructions and service instructions.

2. Receiving the product

On receipt of the product, do the following:

1. Check that the product is as ordered.

If the product is not as ordered, contact the supplier.

2. Check that no visible parts have been damaged.

If any visible parts have been damaged, contact the transport company.

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.

The membrane at the process connection of the level transmitter

must not come into contact with sharp or hard objects or be

damaged since it may result in incorrect measurements or even

media leakage.

English (GB)

7

3. Installing the product

DANGER

Explosive environment

Death or serious personal injury

- The products in these installation instructions are not intended

for use in potentially explosive areas.

CAUTION

Electric shock

Minor or moderate personal injury

- Install the product in a currentless condition.

The level transmitter must be grounded. To prevent electrolysis,

the shielding of the level transmitter must be set to the same

potential as the products usually found in the medium, such as

pumps and agitators.

The special cable for the level transmitter must be fitted so that the

pressure compensation in the cable assembly is not crushed. The

cable end must terminate in a dry room or in a suitable terminal

case so that no moisture can get through. In addition, the cable

must not be routed through damp conditions.

For variations in media, a guide tube must be used to prevent

measuring errors in flow caused by sideways movement and by

hitting the level transmitter against the walls of the container.

We recommend using a terminal case with a pressure

compensation element. See section 5.4.2 Terminal case with

pressure compensation element. The terminal case must be

mounted as close as possible to the surface of the medium while

still outside the medium.

The membrane at the process connection of the level transmitter

must not be damaged, otherwise it may result in incorrect

measurements or even media leakage. The membrane must not

come into contact with sharp or hard objects.

English (GB)

8

Fig. 1 Installation principal

3.1 Wiring diagram

TM07 3095 4618

Pos. Description

1 Level transmitter, hanging vertically in the medium.

2 Guide tube for level transmitter.

3 Cable clamp. See fig. 4

4 Terminal case with pressure compensation element. See fig. 5

Level transmitters in free-field applications without integrated

overvoltage protection must be protected against electrical

discharge. In addition, we recommend using external overvoltage

protection upstream and downstream of the display or processing

unit.

(4)

(3)

(2)

(1)

(4)

English (GB)

9

Fig. 2 Wiring diagram

1

The product must be equipped with an electrical circuit that meets the

requirements of EN 61010-1.

2

The voltage peaks must not exceed or fall below the specified supply

voltage value.

TM07 3094 4618

Description Type S Type E Type W

Cable type Cable

FEP, PE-LD

• Supply voltage

DC 10-30 V

•U

B

/S+: white

0 V/S-: grey

• Supply voltage

DC 10-30 V

•U

B

/S+

2

: white

0 V/S-: grey

• Supply voltage

DC 12-30 V

•U

B

/S+

2

: white

0 V/S-: grey

EPR

• Supply voltage DC 10 to 30 V

•U

B

/S+: brown

0 V/S-: blue

-

Shielding

Ground all connected products such as pumps and

valves to the same potential.

The cable is black.

Reverse voltage

protection

Yes

Max. current

consumption

≤ 25 mA 30 mA ≤ 25 mA

Electrical circuit

requirements

SELV

1

Level

transmitter

Controller Display

unit

Power

supply unit

Recorder

English (GB)

10

4. Storing the product

The products must be stored in dry, clean conditions and protected against

external and mechanical damage.

The storage temperatures can be found in the technical data. See section

8. Technical data.

5. Product introduction

5.1 Intended use

Level transmitters are used to carry out hydrostatic level measurements in

ventilated tanks or to gauge water levels in open waters. They are designed

to hang vertically from the cable.

The correct level transmitter should be selected with regard to the measuring

range, version and specific measuring conditions on site before mounting,

installation and startup. The specifications provided by the manufacturer are

intended as suggestions only, except those relating to the test series. The

decision is to be made by the operator.

The manufacturer cannot accept liability for damage resulting from improper

use or in the event of use contrary to the intended purpose.

To prevent damage to the level transmitter and to safeguard its process,

mounting, installation and startup must only be performed by qualified

personnel. Personnel must be familiar with local regulations and be aware of

applied standards and directives to prevent bodily injuries and material

damage.

5.2 Pumped liquid

The PE-LD cable is shielded and suitable for use in water such as lake,

water well, and mine water. The cable is UV-resistant.

The FEP cable is shielded and suitable for use in water such as sea, lake,

water well, and mine water as well in different oils, fuels, and solvents. The

cable is UV-resistant.

The EPR cable is a submersible motor cable.

English (GB)

11

5.3 Identification

5.3.1 Nameplate

Fig. 3 Nameplate

TM07 3048 4718

Pos. Description

1 Country of origin

2 Product name

3 Order code

4CE marking

5 Output signal

6 Serial number

7 Supply voltage

8 Measuring range

Made in

Germany

8850 Bjerringbro, DENMARK

Grundfos - ordering code (Level Tr...)

mH20 P/N

DC V

mA

F-No.

1

2

3

4

5

6

7

8

English (GB)

12

5.3.2 Type key

Example Level Tr. E 0-50 m c100 m E E BC DWA

Product name

Product type:

S, E, W

Measuring range, metre of water column

Cable length

Cable surface material

E: EPR

P: PE-LD

F: FEP

Seal material

E: EPDM

V: FKM

BC: Bottom closed

BO: Bottom open

DWA: Drinking water approval

English (GB)

13

5.4 Accessories

5.4.1 Cable clamp

The cable clamp, part no. 99488578, holds the level transmitter in the liquid

at a defined depth and provides strain relief. Use of the cable clamp ensures

that the cable is not deformed.

The cable clamp is compatible with level transmitters with a cable diameter

of 5.5 to 10.5 mm. The maximum tensile strength is 2.5 kN. The case is

made of hot-dip galvanised steel sheets. The clamping jaws and guide clips

are made of fiberglass-reinforced polyamide.

Fig. 4 Cable clamp

5.4.2 Terminal case with pressure compensation element

The terminal case, part no. 99488577, is used for secure installation of the

level transmitter cable. The end of the pressure equalisation hose is always

protected from deposits and condensation (IP65). The remaining distribution

can be performed with a standard cable without a pressure equalisation

hose.

The terminal case must be mounted as close as possible to the medium

surface while still outside the medium to ensure the system is implemented

cost-effectively and in the best possible way.

Fig. 5 Terminal case

TM07 3006 4418TM07 3005 4418

English (GB)

14

6. Servicing the product

6.1 Maintaining the product

The level transmitters are maintenance-free.

7. Fault finding the product

The cleaning agent used must not attack the material on the

transmitter body or the seals.

Mechanical damage to the membrane and the cable must be

avoided.

DANGER

Toxic material

Death or serious personal injury

- Medium residuals may damage humans, the environment and

equipment.

CAUTION

Sharp objects

Minor or moderate personal injury

- Irreparable damage occurs if the membrane comes into contact

with sharp or hard objects.

Fault Possible cause Remedy

1. No measuring

and/or output

signal.

a) The supply voltage is

too low

Check the supply

voltage.

b) Open circuit, there is an

incorrect connection.

Check the connecting

cable.

c) Mechanical, thermal or

chemical damage.

The product is

defective. Contact your

local Grundfos sales

office.

2. Constant

output signal

even with

changes in

pressure.

a) The measuring system

is destroyed by excess

pressure.

The product is

defective. Contact your

local Grundfos sales

office.

b) The output signal is

distorted as a result of

excess pressure due to

current limiting.

Check the supply

voltage.

English (GB)

15

3. The output

signal is too

high.

a) The measuring range

selected is too small.

The product is

defective. Contact your

local Grundfos sales

office.

b) The electrical

connection is faulty.

c) The supply voltage is

too high.

4. The output

signal is too

weak.

a) Current output signal

burden is too high.

Change the burden.

b) The supply voltage is

too low.

Change the supply

voltage.

c) The membrane is

damaged by

mechanical influences,

for example an

aggressive medium or

corrosion.

The product is

defective. Contact your

local Grundfos sales

office.

5. Varying zero

point signal.

a) Medium and/or ambient

temperature is too high

or too low

The product is

defective. Contact your

local Grundfos sales

office.

b) Membrane

contaminated

Carefully clean the

membrane using a soft

brush or sponge with a

non-aggressive

cleaning agent.

The membrane must

not be damaged.

c) The membrane is

damaged by

mechanical influences,

for example an

aggressive medium or

corrosion.

The product is

defective. Contact your

local Grundfos sales

office.

d) Moisture has entered

the product.

Fault Possible cause Remedy

English (GB)

16

6. Characteristic

line of the

output signal is

not linear.

a) The product is altered

by inadmissible

operating conditions

such as excess

pressure.

The product is

defective. Contact your

local Grundfos sales

office.

Fault Possible cause Remedy

English (GB)

17

8. Technical data

8.1 Dimensions

8.1.1 Type S

Fig. 6 Bottom closed (BC) and bottom open (BO)

TM07 3089 5018 - TM07 3090 4918

Pos. Description

a Sensitive membrane

b Protective cap

12

Ø25

60

°

8

3

Ø

5x

93

65

4

116

Ø17

7

24

40

°

19

(b)

(a)

English (GB)

18

8.1.2 Type E

Fig. 7 Bottom closed (BC) and bottom open (BO)

TM07 3092 4918 - TM07 3093 4918

Pos. Description

a Sensitive membrane

180

ø8.4

ø25

(a)

192

ø25

English (GB)

19

8.1.3 Type W

Fig. 8 Type W

TM07 3091 4918

Pos. Description

a Measurement to the surface of sensor

Ø41

Ø25

2.5 (a)

120

97

50

English (GB)

20

8.2 Materials

8.2.1 Material for PE-LD and FEP

Use a 6-core, shielded cable with integrated pressure compensation hose

and AWG 24 with ferrules.

Type Description

Outer sheath

PE-LD, black cable.

FEP, black cable. Depending on the version

ordered.

Pressure

compensation hose

PA

Outer diameter Approx. 8.4 mm.

Conductor

cross-section

0.25 mm

2

.

Bending radius:

Moving: 160 mm.

Fixed: 120 mm.

It is important to take into account that if the

protective hose is pinched, it prevents ambient

pressure compensation.

Tensile strength Up to 400 N.

Weight

PE-LD cable: approx. 115 g/m.

FEP cable: approx. 90 g/m.

Medium temperatures -20 to +60 °C.

UV resistance

PE-LD according to VDE 0207.

FEP cable according to DIN ISO 4892-2.

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