Grundfos CR 95 Bedienungsanleitung

CR, CRN 95-255

Installation and operating instructions

GRUNDFOS INSTRUCTIONS

Other languages

http://net.grundfos.com/qr/i/99078486

English (GB)

English (GB) Installation and operating instructions

Original installation and operating instructions

These installation and operating instructions

describe Grundfos CR, CRN 95 to 255.

Sections 1-4 give the information necessary to be

able to unpack, install and start up the product in a

safe way.

Sections 5-10 give important information about the

product, as well as information on service, fault

finding and disposal of the product.

CONTENTS

Page

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:

1.2 Notes

The symbols and notes below may appear in

Grundfos installation and operating instructions,

safety instructions and service instructions.

1. General information 2

1.1 Hazard statements 2

1.2 Notes 2

1.3 Safety information for the motor 3

2. Receiving the product 3

2.1 Transporting the product 3

2.2 Unpacking the product 3

2.3 Inspecting the product 3

2.4 Lifting the product 3

3. Installing the product 7

3.1 Mechanical installation 7

3.2 Electrical connection 12

4. Starting up the product 12

4.1 Startup procedure 13

4.2 Shaft seal run-in 14

5. Product introduction 14

5.1 Identification 14

5.2 Intended use of the product 15

5.3 Operating the product 16

6. Servicing the product 16

6.1 Contaminated pumps 17

6.2 Service documentation 18

6.3 Maintaining the product 18

7. Taking the product out of operation 19

7.1 Frost protection 19

7.2 Taking the product permanently out of

operation 19

8. Fault finding the product 20

9. Technical data 22

9.1 Operating conditions 22

9.2 Dimensions and weights 23

9.3 Electrical data 23

9.4 Sound pressure level 23

10. Disposing of the product 23

Read this document before installing the

product. Installation and operation must

comply with local regulations and accepted

codes of good practice.

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.

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.

English (GB)

1.3 Safety information for the motor

2. Receiving the product

2.1 Transporting the product

2.2 Unpacking the product

2.3 Inspecting the product

Before you install the product, do the following:

1. Check that the product is as ordered.

2. Check that no visible parts have been damaged.

If parts are damaged or missing, contact your local

Grundfos sales company.

2.4 Lifting the product

The following sections describe various lifting

situations and the lifting instructions which must be

followed in order to obtain safe lifting of the product:

• Position of lifting brackets: See section

2.4.1 Position of lifting brackets.

• Lifting the motor with or without the motor stool.

See section 2.4.2 Lifting the motor off the pump.

• Horizontal lift: See section 2.4.4 Lifting the

product in horizontal position.

• Raising or laying down the product: See section

2.4.5 Raising or laying down the product.

• Vertical lift: See section 2.4.6 Lifting the product

in vertical position.

• Lifting of CRE pumps: See section 2.4.3 Lifting of

pumps fitted with MGE motors.

2.4.1 Position of lifting brackets

Fig. 1 Position of lifting brackets

Read the safety information specific for the

motor in the instructions for the motor

which are supplied with the pump.

WARNING

Falling objects

Death or serious personal injury

- Keep the product in a stable and fixed

position during transportation.

- Wear personal protective equipment.

WARNING

Falling objects

Death or serious personal injury

- Keep the product in a stable position

during unpacking.

- Wear personal protective equipment.

WARNING

Falling objects

Death or serious personal injury

- Do not use the motor eyebolts to lift the

entire pump if the pump is fitted with a

motor of another make than Grundfos

MG and MGE.

- Follow the lifting instructions.

- Use lifting equipment which is approved

for the weight of the product.

- Persons must keep a safe distance to

the product during lifting operations.

- Wear personal protective equipment.

TM07 2254 3218

A: Incorrect position of lifting brackets.

B: Correct position of lifting brackets.

English (GB)

2.4.2 Lifting the motor off the pump

Fig. 2 Lifting the motor

2.4.3 Lifting of pumps fitted with MGE motors

Fig. 3 Lifting of pumps fitted with MGE motors

TM07 2255 3218

A: Incorrect lifting of motor with motor stool.

B: Incorrect lifting of motor without motor stool.

C: Correct lifting of motor with motor stool.

D: Correct lifting of motor without motor stool.

When lifting a pump fitted with a motor that

contains an integrated frequency

converter, make sure that the terminal box

does not come into contact with the lifting

equipment. See fig. 3

TM07 2290 3218

A: Incorrect lifting of pump with MGE motor.

B: Correct lifting of pump with MGE motor.

stop

English (GB)

2.4.4 Lifting the product in horizontal position

Fig. 4 Horizontal lift of pumps with 5.5 kW

Grundfos MG and MGE* motors

* See also section 2.4.3 Lifting of pumps fitted with

MGE motors

Fig. 5 Horizontal lift of pumps with 7.5 - 22 kW

Grundfos MG and MGE* motors

* See also section 2.4.3 Lifting of pumps fitted with

MGE motors

Fig. 6 Horizontal lift of pumps with 5.5 - 200

KW motors of other makes than

Grundfos MG and MGE

Fig. 7 Horizontal lift of pumps without motor

2.4.5 Raising or laying down the product

Fig. 8 Raising or laying down pumps with 5.5

kW Grundfos MG and MGE* motors

* See also section 2.4.3 Lifting of pumps fitted with

MGE motors

Fig. 9 Raising or laying down pumps with 7.5 -

22 kW Grundfos MG and MGE* motors

* See also section 2.4.3 Lifting of pumps fitted with

MGE motors

TM06 8773 1117TM06 8774 1117TM06 8627 0917

TM06 8775 1117

TM06 8744 1117TM06 8743 1117

English (GB)

Fig. 10 Raising or laying down pumps with 5.5 -

200 KW motors of other makes than

Grundfos MG and MGE

Fig. 11 Raising or laying down pumps without

motor

2.4.6 Lifting the product in vertical position

Fig. 12 Vertical lift of pumps with 5.5 kW

Grundfos MG and MGE motors

Fig. 13 Vertical lift of pumps with 7.5 - 22 kW

Grundfos MG and MGE motors

Fig. 14 Vertical lift of pumps with 5.5 - 200 KW

motors of other makes than Grundfos

MG and MGE

Fig. 15 Vertical lift of pumps without motor

TM06 8742 1117TM06 8745 1117TM06 8597 1117

TM06 8598 1117TM06 8599 1117TM06 8162 1117

English (GB)

3. Installing the product

3.1 Mechanical installation

3.1.1 Lifting the product

For lifting instructions, see section 2.4 Lifting the

product.

3.1.2 Installation guidelines

The pump must be secured to a horizontal, plane

and solid foundation with bolts through the holes in

the base plate. When installing the pump, be aware

of the information below in order to avoid damaging

the pump.

DANGER

Falling objects

Death or serious personal injury

- Fasten the pump securely to a solid and

even foundation according to the

specifications stated in the installation

and operating instructions.

WARNING

Contamination when pumping drinking

water

Death or serious personal injury

- Before the pump is used for supplying

drinking water, flush the pump

thoroughly with clean water.

- Do not use the pump for drinking water

if the internal parts have been in contact

with particles or substances not suitable

for water intended for human

consumption.

WARNING

Falling objects

Death or serious personal injury

- Do not use the motor eyebolts to lift the

entire pump if the pump is fitted with a

motor of another make than Grundfos

MG and MGE.

- Follow the lifting instructions.

- Use lifting equipment which is approved

for the weight of the product.

- Persons must keep a safe distance to

the product during lifting operations.

- Wear personal protective equipment.

English (GB)

Illustration Information

TM06 9134 1617

Arrows on the pump base plate show the direction of flow of liquid

through the pump.

TM06 9156 1717

These dimensions are stated on page 26:

• port-to-port lengths

• dimensions of the base plate

• pipe connections

• diameter and position of anchor bolts.

TM07 0783 0218

The pump can be installed vertically and horizontally. If you wish to

install a pump horizontally, it must be ordered with support brackets

fitted from factory and a foot-mounted motor.

TM05 7705 1013

Additional support. As the centre of gravity of the pump is relatively

high, we recommend that pumps installed on ships, in areas with risk

of earth quake or in systems which can be moved, are equipped with

an additional support bracket. You can fit the bracket from the motor

stool to the bulkhead of the ship, a rigid wall in a building or to a rigid

part.

TM02 0116 3800

To minimise possible noise from the pump, we recommend that you fit

expansion joints on either side of the pump.

Build a foundation and carry out mechanical installation as described

in section 3.1.3 Foundation.

Fit isolating valves on either side of the pump to avoid draining the

system if the pump needs to be removed for cleaning, repair or

replacement.

Always protect the pump against backflow by means of a non-return

valve.

TM02 0114 3800

Install the pipes so that air pockets do not occur.

TM02 0115 3800

Fit a vacuum valve close to the pump if the installation has one of

these characteristics:

• The outlet pipe slopes downwards away from the pump.

• There is a risk of siphon effect.

• Protection against backflow of unclean liquids is needed.

English (GB)

3.1.3 Foundation

We recommend that you install the pump on a

concrete foundation which is heavy enough to

provide permanent and rigid support for the entire

pump. The foundation must be capable of absorbing

any vibration, normal strain or shock. The concrete

foundation must have an absolutely level and even

surface.

Place the pump on the foundation, and fasten it. The

base plate must be supported on the whole area.

The following instruction applies when mounting the

pump in both vertical and horizontal position. Place

the pump on the foundation, and fasten it. See fig.

16.

Fig. 16 Correct installation

Fig. 17 Foundation, vertical mounting

The recommended length and width of the

foundation are shown in fig. 17. Note that for pumps

with motor size below or equal to 30 kW, the length

and width of the foundation must be 200 mm larger

than the base plate.

For pumps with motor size equal to 37 kW or above,

the length and width must always be 1.5 x 1.5 (Lf x

Wf) m.

Fig. 18 Foundation, horizontal mounting

The foundation length and width must always be 200

mm larger than the length and width of the pump.

See fig. 18.

The mass of the foundation must be at least 1.5

times the total mass of the pump. The minimum

height of the foundation (hf) can then be calculated:

The density (δ) of concrete is usually taken as 2200

kg/m3.

In installations where noiseless operation is

particularly important, we recommend that you use a

foundation with a mass up to 5 times that of the

pump.

The foundation must be provided with anchor bolts

for fixing the base plate. See fig. 19.

Fig. 19 Bolt in foundation

When the anchor bolts are in position, place the

pump on the foundation. Then align the base plate

using shims, if necessary, so that it is completely

horizontal. See fig. 20.

Fig. 20 Alignment with shims

WARNING

Falling objects

Death or serious personal injury

- Keep the product in a stable and fixed

position before installing it.

- Make sure that the foundation is

suitable for the weight of the product.

TM04 0342 0608TM06 8985 1517

TM07 0574 0318

hf = Mpump × 1.5

Lf × Wf × δconcrete

TM03 4589 2206TM04 0362 0608

Shims

English (GB)

3.1.4 Vibration dampening

Elimination of noise and vibrations is best achieved

by means of a concrete foundation, vibration

dampers and expansion joints.

If you use vibration dampers, install them under the

foundation. For pumps with motor size below or

equal to 30 kW, you can use vibration dampers as

shown in fig. 21.

For pumps with motor size equal to 37 kW or above,

you can use a Sylomer®plate as shown in fig. 22.

Fig. 21 Pump on vibration dampers

Fig. 22 Pump on Sylomer®plate

3.1.5 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.

3.1.6 Tightening torques

The tables show the recommended torques for base

plate anchor bolts and flange bolts.

The bolt quality must be minimum class 5.8 except

for CR, CRN 95 with optional small base plate which

must be minimum class 8.8.

TM06 7999 4316TM06 8000 4316

Expansion joints

Vibration dampers

Sylomer®plate

Expansion joints

WARNING

Flange gasket blowout

Death or serious personal injury

- Tighten flange bolts according to the

specified torque values.

WARNING

Falling objects

Death or serious personal injury

- Tighten the base plate anchor bolts

according to the specified torque

values.

CR, CRN

Base plate anchor bolts

Bolt size Torque [Nm]

95 with

optional

small base

plate

M12

(∅14 free hole) 65

95 M16

(∅18 free hole) 100

125-155 M20

(∅22 free hole) 190

185-255 M24

(∅26 free hole) 130

CR, CRN

Flange bolts

(DIN/EN, JIS, ANSI)

Bolt size Torque [Nm]

95 M16 30

M20 90

125-155 M20 90

M24 230

185-255

M20 90

M24 230

M27 300

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