Grundfos MTR A 96889995 P1 1019 Bedienungsanleitung

MTR

50/60 Hz IEC

Installation and operating instructions

GRUNDFOS INSTRUCTIONS

MTR

English (GB)

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

中文 (CN)

安装和使用说明书 ...............................................23

한국어 (KO)

설치 및 작동 지침 ...............................................41

繁體中文 (TW)

安裝操作手冊 ..................................................59

Appendix A...................................................76

Appendix B...................................................78

Declaration of conformity ........................................79

Declaration of conformity ........................................83

Table of contents

English (GB) Installation and operating instructions

Original installation and operating instructions

Table of contents

1. General information ............. 4

1.1 Hazard statements .............. 4

1.2 Notes ..................... 4

2. Product introduction ............ 5

2.1 Intended use ................. 5

2.2 Pumped liquids ................ 5

2.3 Identification.................. 6

3. Receiving the product............ 8

3.1 Transporting the product ........... 8

3.2 Inspecting the product ............ 8

3.3 Lifting the product ............... 8

4. Installation requirements .......... 9

4.1 Location .................... 9

5. Mechanical installation ........... 9

5.1 Mounting the product ............. 9

6. Electrical connection ............12

6.1 Changing the terminal box position .....12

6.2 Frequency converter operation ........12

7. Starting up the product ...........13

7.1 Preparing for startup .............13

7.2 Venting the product ..............14

8. Servicing the product ............14

8.1 Contaminated products ............15

8.2 Service documentation ............15

8.3 Maintenance .................15

9. Taking the product out of operation ....16

9.1 Taking the product permanently out of

operation ...................16

10. Fault finding the product ..........17

10.1 The motor does not run when started. ....17

10.2 The motor-protective circuit breaker trips

immediately when the power supply is

switched on ..................18

10.3 The motor-protective circuit breaker trips

occasionally ..................18

10.4 The motor-protective circuit breaker has

not tripped, but the motor does not run . ..18

10.5 The pump runs but gives no liquid, or the

pump performance is not constant ......19

10.6 Leakage from the shaft seal .........19

10.7 Noise .....................19

11. Technical data ................20

11.1 Operating conditions .............20

11.2 Electrical data .................21

11.3 MTRE 1s/1/3 HS high-speed operation . ..22

12. Disposing of the product ..........22

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 seri-

ous personal injury.

CAUTION

Indicates a hazardous situation which, if

not avoided, could result in minor or mod-

erate 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.

English (GB)

A red or grey circle with a diagonal bar,

possibly with a black graphical symbol, in-

dicates 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.

2. Product introduction

These installation and operating instructions describe

Grundfos MTR model A and model C pumps fitted

with 50 Hz or 60 Hz IEC motors.

MTR pumps are vertical multistage centrifugal

pumps designed to be mounted on top of tanks with

the chamber stack immersed in the pumped liquid. To

meet specific depths of tanks or containers, the

immersed length of the pump can be varied using

empty chambers.

The product consists of a motor and a pump unit.

Material versions for MTR

• A-version with wetted parts of cast iron and

stainless steel.

• I-version with wetted parts of stainless steel grade

EN/DIN 1.4301.

• N-version with wetted parts of stainless steel

grade EN/DIN 1.4401.

2.1 Intended use

The tank-mounted multistage centrifugal pumps are

designed for the following applications:

• liquid transfer in machine tools

• condensate transfer

• liquid transfer in industrial washing machines

• pressure boosting of cold or hot clean liquids

• similar applications.

2.2 Pumped liquids

The product is suitable for pumping clean, thin, non-

aggressive and non-explosive liquids without solid

particles or fibres. The liquid must not attack the

pump materials chemically and mechanically.

When pumping liquids with a density and/or viscosity

higher than that of water, use motors with

correspondingly higher outputs, if required.

Whether a pump is suitable for a particular liquid

depends on a number of factors of which the most

important are the chloride content, pH-value,

temperature and content of chemicals and oils.

Aggressive liquids may attack or dissolve

the protective oxide film of the stainless

steel and thus cause corrosion.

English (GB)

2.3 Identification

2.3.1 Nameplate for MTR, MTRE

Type MTR10-6/3 A-W-A-HUUV

Model A 96889995 P1 1019

f 50 Hz 1.1P2 kW

30.3 mmin Hmax2853n

Q 10 m /h H 22.7 m

CCWbar/ C25/90

Made in Hungary

pmax/tmax

Serial No. 0001

MEI 0.70 p

-1

DK-8850 Bjerringbro, Denmark

--.-

1 2 3 4 5

19 20

TM055279

Example of a pump nameplate

Pos. Description

1 Type designation

2 Model

3 Product number

4 Production code

5 Production year and week (YYWW)

6Power at rated flow rate and rated speed

(P2)

7 Head against closed valve

8 Head at rated flow rate

9 Direction of rotation:

CCW: Counterclockwise

CW: Clockwise

10 Country of origin

11 Approval marks

12 Frequency

13 Rated speed

14 Rated flow rate

15 Maximum system pressure/maximum liquid

temperature

Technical file number (stated if the pump is

ATEX-classified) or customer-specific infor-

mation

Pos. Description

17 Serial number (stated if the pump is ATEX-

classified)

18 ATEX category (stated if the pump is

ATEX-classified)

19 Minimum efficiency index

20 Hydraulic pump efficiency at rated flow rate

Related information

3.2 Inspecting the product

2.3.2 Type key for MTR, MTRE

Example of a pump type key.

MTRE 32-2/1-1 A-F-A-HUUV

Code Explanation

MTR Pump type

E Pump with integrated frequency converter

32 Rated flow rate [m3/h]

2 Number of chambers

1 Number of impellers

1 Number of impellers with reduced diameter

A Code for pump version

F Code for pipe connection

A Code for materials

Code for shaft seal:

H • Shaft seal type designation

U • Seal face material (rotating seal face)

U • Seal face material (stationary seal face)

V • Secondary seal material (rubber parts)

English (GB)

TM014993

Number of chambers (A) and number of impellers

(B)

Related information

5.1.2 Horizontal mounting of version H pumps

2.3.2.1 Key to codes

Note that each individual pump type is not available in

all variants.

Code Description

Pump version

A Basic version

B Oversize motor

C Inlet pipe

D Drainage back to tank

E Pump with certificate/approval

F 120 °C version

H Horizontal version

HS High pressure

J E-pump with different maximum speed

L With extension pipe

P Undersize motor

T Double oversize

X Special version

Pipe connection

F DIN flange

G ANSI flange

J JIS flange

Code Description

M Square flange

W Internal thread

WB NPT internal thread

X Special version

Materials

A Basic version

I Wetted parts EN/DIN 1.4301 / AISI 304

N Wetted parts EN/DIN 1.4401 / AISI 316

X Special version

Shaft seal type designation

A O-ring seal with fixed seal driver

B Bellows seal, rubber

C O-ring seal with spring as seal driver

H Balanced cartridge seal with O-ring

R O-ring seal, type A, with reduced seal faces

Seal face material (rotating and stationary seal

face)

A Carbon, metal-impregnated

B Carbon, synthetic resin-impregnated

Q Silicon carbide

U Cemented tungsten carbide

V Metal oxides, ceramic

Secondary seal material (rubber parts)

E EPDM

FFXM (Fluoraz®)

KFFKM (Kalrez®)

P NBR

VFKM (Viton®)

English (GB)

3. Receiving the product

3.1 Transporting the product

WARNING

Falling objects

Death or serious personal injury

‐Secure the product during transport to

prevent it from tilting or falling down.

CAUTION

Back injury

Minor or moderate personal injury

‐Use lifting equipment.

CAUTION

Crushing of feet

Minor or moderate personal injury

‐Wear safety shoes when moving the

product.

3.2 Inspecting the product

Before installing the product, do the following:

1. Check that the product is as ordered.

2. Check that no visible parts have been damaged.

3. If parts are damaged or missing, contact your

local Grundfos sales company.

Related information

2.3.1 Nameplate for MTR, MTRE

3.3 Lifting the product

WARNING

Falling objects

Death or serious personal injury

‐Do not use the motor eyebolts to lift the

entire product if the pump is fitted with

a motor of another make than Grund-

fos MG and MGE.

‐Follow the lifting instructions.

‐Use lifting equipment which is ap-

proved for the weight of the product.

‐Persons must keep a safe distance to

the product during lifting operations.

‐Wear personal protective equipment.

Note that typically the centre of gravity of

the pump is close to the motor.

3.3.1 Lifting the product in vertical position

To lift the entire pump with motor, follow the below

instructions for the size and type of motor fitted on

your pump. Valid for motors up to 45 kW.

Pumps with motor sizes 0.37 - 5.5 kW

Valid for Grundfos MG, MGE and for all types of

sourced motors.

• Lift the product in the motor flange by means of

straps or similar lifting equipment.

TM068597

Pumps with motor sizes 7.5 - 22 kW

Valid for Grundfos MG and MGE motors only.

• Lift the product by means of the motor eyebolts.

TM068598

English (GB)

Pumps with motor sizes 7.5 - 45 kW

Valid for all types of sourced motors. Not valid for

Grundfos MG and MGE.

• Lift the product by means of the lifting brackets on

the motor flange.

TM068599

4. Installation requirements

4.1 Location

The product is intended for indoor use. If you install

the product outdoors, follow the requirements in the

section on outdoor installation.

Related information

4.1.1 Outdoor installation

When the pump is installed outdoors, we recommend

that you provide the motor with a rain cover. We also

recommend that you open one of the drain holes in

the motor flange.

Related information

4.1 Location

5. Mechanical installation

WARNING

Moving parts

Death or serious personal injury

‐Tighten the coupling screws to the cor-

rect torque.

‐Install the coupling guards securely to

the pump with the screws intended for

this purpose.

CAUTION

Hot surface

Minor or moderate personal injury

‐The product must be installed so that

persons cannot accidentally come into

contact with the hot surface of the mo-

tor.

5.1 Mounting the product

The pump is designed for tank mounting in vertical

position. For horizontal mounting, see the section on

MTR version H.

The pump is positioned in a hole cut into the tank and

is secured to the tank by four hexagon head screws

through the holes in the mounting flange.

English (GB)

4 x X

TM028042

Vertical installation

Mounting flange dimensions:

Pump type D1 *D2 *D3 *L*CX*

MTR 1s, 1, 2,

3, 4, 5, 8

version A

140 160 180 100

Rp 1

1/4

G 1 1/4

∅7.5

MTR 1s, 1, 2,

3, 4, 5, 8

version I, N

140 160 180 100

Rp 1

1/4

G 1 1/4

∅9

MTR 10, 15,

20 200 225 250 125 Rp 2

G 2 ∅9

MTR 32 190 220 250 150 DN 65 ∅12

MTR 45, 64 240 265 290 165 DN 80 ∅12

*The numbers are indicated in millimetres.

5.1.1 Inlet conditions

The bottom of the pump strainer must be at least 25

mm above the bottom of the tank.

The pumps are designed to provide full performance

down to a level of A mm above the bottom of the

strainer.

At a liquid level between A and B mm above the

bottom of the strainer, the built-in priming screw

protects the pump against dry running.

MTR 32, 45 and 64 pumps have no priming screw.

Pump type A

[mm]

MTR 1s, 1, 2, 3, 4, 5, 8 41 28

MTR 10, 15, 20 50 25

MTR 32, 45, 64 70 -

The distance between the flange and the liquid level

must be minimum 25 mm.

The distance between the pump and the tank bottom

must be minimum 25 mm.

25 mm

TM072800

MTR 1s, 1, 2, 3, 4, 5, 8

English (GB)

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