Grundfos CRE Betriebsanleitung

CRE, CRIE, CRNE, SPKE, MTRE, BMS

E-pumps with MGE Model K motor

Safety instructions and other important information

CRE, CRIE, CRNE, SPKE, MTRE,

BMS

Safety instructions

Other languages

http://net.grundfos.com/qr/i/92898130

GRUNDFOS INSTRUCTIONS

CRE, CRIE, CRNE, SPKE, MTRE, BMS

English (GB)

Safety instructions................................................4

Appendix A...................................................19

Appendix B...................................................20

China RoHS ..................................................25

中国微功率短距离设备声明 ........................................26

Declaration of conformity ........................................27

Declaration of conformity ........................................31

Declaration of conformity ........................................35

Declaration of conformity ........................................36

Declaration of conformity ........................................37

Declaration of conformity ........................................39

Table of contents

English (GB) Safety instructions

1. Original safety instructions

These safety instructions give a quick overview of the

safety precautions to be taken in connection with any

work on this product. Observe these safety

instructions during handling, installation, operation,

maintenance, service and repair of this product.

These safety instructions are a supplementary

document, and all safety instructions will appear

again in the relevant sections of the installation and

operating instructions. Keep these safety instructions

at the installation site for future reference.

2.2 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.

2.3 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.

3.2 Intended use of the product

Only use the product according to the specifications

stated in the installation and operating instructions.

3.3.2 Identification of the motor model

Identify the motor by means of the nameplate on the

terminal box.

Model K

Env.

PF:

Tam

DE:

NDE:

Wgt: kg

Type:Type:MGE160A 2-FF300-KA

P.N.: -V OUTPUT Variant

P2: PB:

FM:

HMI:

CIM:

rpm

PDS Eff

xxxv:

98100448

IE5

IES2 Made in Hungary

DK-8850 Bjerringbro Denmark

TM083907

Motor

[kW]

3 × 380-480 V 3 x 400-480 V

1450-2200

rpm

2900-4000

rpm

3500-4000

rpm

11 • - -

15 • • -

18.5 • • -

22 • • -

26 - - •

3.4 Radio module

CAUTION

Radiation

Minor or moderate personal injury

‐Locate the product at a minimum

distance of 20 cm from any body parts.

Human tissue may be heated by RF

energy.

English (GB)

Installers and end users must be provided

with these installation and operating

instructions and operating conditions for

satisfying RF exposure compliance.

The product incorporates a class 1 radio module for

remote control. You can use the module anywhere in

the EU without restrictions.

For installation in the USA and Canada, see the

appendix.

Via the built-in radio module, the product can

communicate with other MGE motors.

The product contains a class 1 radio.

Grundfos will support the product with

security updates for at least 2 years from

production of the unit.

3.5 Bluetooth

The product incorporates a Bluetooth (BLE) module

for remote control. You can use the module anywhere

in the EU without restrictions.

For installation in the USA and Canada, see the

appendix.

Via the built-in Bluetooth module, the product can

communicate with Grundfos GO.

The product contains a Bluetooth (BLE)

module. Grundfos will support the product

with security updates for at least 2 years

from production of the unit.

Bluetooth information

Frequency of operation 2400 - 2483.5 MHz

Modulation type GFSK

Data rate 2 Mbps

Transmit power 5 dBm EIRP with internal

antenna

GLoWpan information

Frequency of operation 2405-2480 MHz

Modulation type GP O-QPSK

Data rate 1 Mbps

Transmit power 5 dBm EIRP with internal

antenna

3.6 Battery

A Li-ion battery is fitted in the FM310 and

FM311 functional modules.

The Li-ion battery complies with the Battery Directive

(2006/66/EC). The battery does not contain mercury,

lead or cadmium.

WARNING

Intoxication or risk of chemical burn

Death or serious personal injury

‐The battery can cause severe or fatal

injuries in 2 hours or less if it is

swallowed or placed inside any part of

the body. In such an event, seek

medical attention immediately.

• The replacement or servicing of

batteries must be carried out by a

qualified person.

• The battery contained within this

product, whether new or used, is

hazardous and is to be kept away from

children.

3.7 Safe Torque Off (STO) function

Safe Torque Off (STO) is a safety function with the

purpose to stop the motor from turning, without

actively braking it. It follows the definition by

EN61800-5-2.

For instructions on how to activate and operate the

Safe Torque Off (STO) function, read these

installation and operating instructions.

QR92916582

Safe Torque Off

Installation and operating instructions

http://net.grundfos.com/qr/i/92916582

3.7.1 Identification of the Safe Torque Off (STO)

function

The version of the Safe Torque Off (STO) function is

marked on the nameplate, after the product version

number.

The Safe Torque Off (STO) functionality is only

available for MGE, MLE motors having an STO

version number.

The Safe Torque Off (STO) version number is shown

below as Szz, where zz marks the version. For

product without STO the zz segment will be blank.

TM084339

The Safe Torque Off (STO) safety function cannot be

retrofitted to older motors.

English (GB)

4.1 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.

4.3 Lifting the product

WARNING

Falling objects

Death or serious personal injury

‐Use lifting equipment rated for the

weight of the product.

‐Attach lifting equipment to the motor

eyebolts to lift the entire product.

‐Wear personal protective equipment.

‐Keep a safe distance to the product

during lifting operations.

‐Follow the lifting instructions for the

product.

WARNING

Back injury

Death or serious personal injury

‐Use lifting equipment and follow local

regulations when lifting the product.

Observe local regulations concerning limits

for manual lifting or handling. Calculate the

total weight of the pump with motor by

adding the weights stated on the pump

and motor nameplates.

Do not lift the product by the terminal box.

Note that typically the center of gravity of

the pump is close to the motor.

For lifting instructions, see the related

installation and operating instructions for

the pump.

5.1 Installing the product outdoors or in areas

with high humidity

WARNING

Fire hazard

Death or serious personal injury

‐In high humidity environments where

condensation can occur, connect the

product permanently to the mains

supply and activate the standstill

heating function.

To maintain the cURus mark, additional

requirements apply to the equipment. See

the appendix concerning installation in the

USA and Canada.

Do not expose the product to UV radiation.

If you install the product outdoors or in areas with a

high humidity, take the following action to avoid

condensation on the electronic components.

• Provide the product with a suitable cover.

The cover must be large enough to ensure that

the product is not exposed to direct sunlight, UV

radiation, rain or snow. Grundfos does not supply

covers.

When fitting a cover to the product,

observe the instructions for adequate

cooling.

TM053496

• Open the drain holes in the product.

When you open the drain hole, the

enclosure class of the motor will be

lower than standard.

• Connect the product permanently to the mains

supply. In areas with a high humidity, activate the

built-in standstill heating function.

English (GB)

If you install the motor in moist

surroundings or areas with a high humidity,

ensure that the bottom drain hole is open.

As a result, the motor becomes self-

venting, allowing water and humid air to

escape. When you open the drain hole,

the enclosure class of the motor will be

lower than standard.

5.3.1 Cooling the motor

• Install the motor allowing a distance of minimum

50 mm (D) between the end of the fan cover and

the wall or another fixed object.

TM082853

Model K

• Position the product with sufficient space around.

• Make sure that the temperature of the cooling air

does not exceed 50 °C.

• Keep cooling fins and fan blades clean.

6.1 Mounting the product

WARNING

Crushing of feet

Death or serious personal injury

‐Fasten the pump securely to a solid

and even foundation according to the

specifications in the installation and

operating instructions for the pump.

‐Follow the lifting instructions.

CAUTION

Radiation

Minor or moderate personal injury

‐Locate the product at a minimum

distance of 20 cm from any body parts.

Human tissue may be heated by RF

energy.

Installation-related work on the product

must only be performed by qualified

persons.

For lifting instructions, see the related

installation and operating instructions for

the pump.

To maintain the cURus mark, additional

requirements apply to the equipment.

6.1.2 Changing the position of the operating panel

WARNING

Electric shock

Death or serious personal injury

‐Switch off the power supply to the

product including the power supply for

the signal relays. Wait at least 5

minutes before you make any

connections in the terminal box.

7. Electrical connection

WARNING

Electric shock

Death or serious personal injury

‐Switch off the power supply to the

product including the power supply for

the signal relays. Wait at least 5

minutes before you make any

connections in the terminal box. Make

sure that the power supply cannot be

switched on accidentally.

‐Check that the supply voltage and

frequency correspond to the values

stated on the nameplate.

‐Connect the pump to an external

power switch close to the pump and to

a motor-protective circuit breaker.

Make sure you can lock the power

switch in OFF position (isolated). Type

and requirements as specified in EN

60204-1, 5.3.2.

CAUTION

Sharp element

Minor or moderate personal injury

‐When installing the wiring in the

terminal box, wear protective gloves to

avoid cutting your hands on sharp

edges.

English (GB)

If the power cable is damaged, it must be

replaced by the manufacturer, the

manufacturer's service partner or a

similarly qualified person.

The user or the installer is responsible for

correct earthing and protection according

to local regulations.

All electrical connections must be carried

out by qualified persons.

7.3 Protection against electric shock, indirect

contact

WARNING

Electric shock

Death or serious personal injury

‐Connect the product to protective earth

and provide protection against indirect

contact in accordance with local

regulations.

Protective-earth conductors must have a yellow and

green (PE) or yellow, green and blue (PEN) colour

marking.

7.4 Cover for the power cables

Model K is equipped with a cover for the power

cables.

The cover is attached to the insulation cover with 2

screws (2) and is equipped with 3 voltage measuring

holes (1) for the respective phases (L1, L2, L3).

TM084098

The cover for the power cables must be

installed before switching on the product.

7.5 Protection against power supply voltage

transients

The product is protected against power supply

voltage transients in accordance with EN 61800-3.

7.6 Motor protection

The product incorporates thermal protection against

slow overloading and blocking. No external motor

protection is required.

The product includes load and speed sensitive motor

overload protection with thermal memory retention.

7.7.2 Cable glands

See the list of cable gland sizes in relation to motor

sizes in the section on other technical data.

It is recommended to use a cable gland M20 or M40

as applicable with IP 66 rating and suitable for cable

strain relief.

After installation, all M20 openings must

be closed by means of the delivered blind

plugs to maintain the IP 55/66 rating.

7.7.3 Cable cross-section

WARNING

Electric shock

Death or serious personal injury

‐Switch off the power supply to the

product including the power supply for

the signal relays. Wait at least 5

minutes before you make any

connections in the terminal box.

‐Follow the wiring diagrams and local

regulations.

‐Use branch-circuit protection fuses.

‐Comply with local regulations as to

cable cross-sections.

‐Use the recommended fuse size.

‐Connect the cables to terminals by

applying the recommended tightening

torque.

WARNING

Fire hazard

Death or serious personal injury

‐Comply with local regulations as to

cable cross-sections.

‐Use the recommended fuse size.

‐Connect the cables to terminals by

applying the recommended tightening

torque.

Make sure that the cables are secured

with cable glands providing strain relief.

Recommended cable type: H07RN-F.

English (GB)

7.7.3.1 Cable cross-section data for MGE motors

3 × 380-480 V, 50/60 Hz, Model K

Speed

[rpm]

Power P2

[kW]

Supply voltage

[V]

Nominal

current

[A]

Cable cross-

section

[mm2]

Cable cross-

section

[AWG]

1450-2200

11 3 × 380-480 20.2 - 16.4 6 10

15 3 × 380-480 26.7 - 21.8 6 8

18.5 3 × 380-480 33.2 - 26.9 10 8

22 3 × 380-480 39.2 - 31.5 10 8

2900-4000

15 3 × 380-480 26.7 - 22 6 8

18.5 3 × 380-480 33 - 27.8 10 8

22 3 × 380-480 39.2 - 31.5 10 8

3 x 400-480 V, 50/60 Hz, Model K

Speed

[rpm]

Power P2

[kW]

Supply voltage

[V]

Nominal

current

[A]

Cable cross-

section

[mm2]

Cable cross-

section

[AWG]

3500-4000 26 3 x 400-480 43.8 - 37.6 16 6

7.7.4 Conductors

Conductor types

Model K: Use stranded copper conductors only.

Conductor temperature ratings

Model K: Use minimum 75 °C copper

conductors. The wire sizes for the supply mains must

be sized for a wire size which is suitable for at least

125% of the rated input current of the motor drive

units.

7.7.5 Three-phase connections

The cables in the terminal box must be as short as

possible. However, the separated protective-earth

conductor must be so long that it is the last one to be

disconnected in case the cable is inadvertently pulled

out of the cable entry.

To maintain the cURus mark, additional

requirements apply to the equipment. See

the appendix concerning installation in the

USA and Canada.

Model K: To avoid loose connections, ring terminals

must be used. Ensure that ring terminals are short

enough to stay within the terminal cover.

Check that the supply voltage and frequency

correspond to the values stated on the nameplate.

Power supply connection on a three-phase

product

TM082860

Model K

Pos. Description

L1 Phase 1

L2 Phase 2

L3 Phase 3

PE Protective earth

English (GB)

7.8.1 Residual-current circuit breakers

WARNING

Electric shock

Death or serious personal injury

‐This product can cause a DC current in

the protective-earth conductor. If a

residual current-operated protective

(RCD) or monitoring (RCM) device is

used for protection in case of direct or

indirect contact, only an RCD or RCM

of Type B is allowed on the supply side

of this product.

The residual-current circuit breaker must be marked.

TM066230

Take into account the total leakage current of all the

electrical equipment in the installation.

This product may cause a direct current in the

protective-earth conductor.

Connection example for three-phase supply

The figure shows an example of a mains-connected

three-phase motor with a main switch, a backup fuse

and a residual-current circuit breaker, type B.

TM069815

Pos. Description

1 Residual-current circuit breaker, type B

L1 Phase 1

L2 Phase 2

L3 Phase 3

PE Protective earth

7.8.2 Overvoltage and undervoltage protection

Overvoltage and undervoltage may occur in case of

unstable power supply or a faulty installation. The

product stops if the voltage falls outside the

permissible voltage range. The product restarts

automatically when the voltage is within the

permissible voltage range. The product requires no

additional protection relay.

The product is protected against transients

from the power supply according to EN

61800-3. In areas with high lightning

intensity, we recommend external lightning

protection.

Overvoltage category:

The product is approved for Overvoltage category III

rating.

7.8.3 Overload protection

The motor-current protection settings are fixed for

each motor variants. The settings ensure that the

motor is protected against overtemperature in all

operating states with regard to supply voltage and

shaft load, including a blocked shaft.

The motors are current controlled and will respond by

reducing the speed if the shaft load increases more

than 10 % of the nominal load.

If the shaft load forces the speed down to minimum

speed, the motor shuts down.

A sudden increase in the motor current caused by a

fault where the peak of the motor current is increased

60 % above nominal will cause the motor to shut

down within 0.5 ms.

The product requires no additional protection.

7.8.4 Overtemperature protection

The motor is thermally protected by a temperature

measurement in the drive. It can handle the lack of

airflow over the motor in case the fan cover is

blocked. It also means that the protection has a built-

in memory retention.

The time from start to shutdown due to

overtemperature is therefore always longer when

starting at a motor temperature close to the ambient

temperature compared with restarting after a

shutdown due to overtemperature.

7.8.5 Protection against phase unbalance

Phase unbalance on the power supply must be

minimised. The three-phase motor must be

connected to a power supply with a quality

corresponding to IEC 60146-1-1, class C. This also

ensures long life of the components.

7.8.6 Short-circuit current

The product's electronic power output short-circuit

protection circuitry meets the requirements of IEC

60364-4-41:2005/AMD1:-, Clause 411.

Model K: Suitable for use on a circuit capable of

delivering not more than 5000 rms symmetrical

amperes, 480 V maximum when protected by gG

fuses. See the section on fuse sizes.

English (GB)

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