Grundfos CRIE Bedienungsanleitung

CRE, CRIE, CRNE, SPKE, MTRE, CME

Installation and operating instructions

GRUNDFOS INSTRUCTIONS

Other languages

http://net.grundfos.com/qr/i/98358864

English (GB)

English (GB) Installation and operating instructions

Original installation and operating instructions

CONTENTS

Page

1. Symbols used in this document 3

2. Abbreviations and definitions 4

3. General information 4

4. General description 4

4.1 Pumps without factory-fitted sensor 4

4.2 Pumps with factory-fitted pressure

sensor 4

4.3 Settings 5

4.4 Radio communication 5

4.5 Battery 5

5. Receiving the product 5

5.1 Transporting the product 5

5.2 Inspecting the product 5

6. Mechanical installation 5

6.1 Handling the product 5

6.2 Mounting 6

6.3 Cable entries 6

6.4 Cable glands 6

6.5 Ensuring motor cooling 6

6.6 Outdoor installation 6

6.7 Drain holes 6

7. Electrical installation 7

7.1 Protection against electric shock,

indirect contact 7

7.2 Cable requirements 7

7.3 Mains supply 8

7.4 Additional protection 9

7.5 Connection terminals 9

7.6 Signal cables 14

7.7 Bus connection cable 14

8. Operating conditions 15

8.1 Maximum number of starts and stops 15

8.2 Ambient temperature 15

8.3 Installation altitude 15

8.4 Humidity 16

8.5 Motor cooling 16

9. User interfaces 16

10. Standard control panel 17

10.1 Setpoint setting 17

11. Advanced control panel 19

11.1 Home display 20

11.2 Startup guide 20

11.3 Menu overview for advanced control

panel 21

12. Grundfos GO 24

12.1 Communication 24

12.2 Menu overview for Grundfos GO 25

13. Description of functions 28

13.1 Setpoint 28

13.2 Operating mode 28

13.3 Set manual speed 28

13.4 "Set user-defined speed" 28

13.5 "Control mode" 28

13.6 Analog inputs 33

13.7 Pt100/1000 inputs 35

13.8 Digital inputs 35

13.9 Digital inputs/outputs 37

13.10 "Signal relays" 1 and 2 (Relay outputs) 38

13.11 Analog output 38

13.12 "Controller" (Controller settings) 40

13.13 Operating range 41

13.14 External setpoint function 41

13.15 Predefined setpoints 43

13.16 Limit-exceeded function 44

13.17 "LiqTec" (LiqTec function) 45

13.18 "Stop function" (Low-flow stop function) 45

13.19 Pipe filling function 47

13.20 "Pulse flowmeter" (Pulse flowmeter

setup) 48

13.21 Ramps 48

13.22 Standstill heating 48

13.23 Motor bearing monitoring 48

13.24 "Service" 49

13.25 "Number" (Pump number) 49

13.26 "Radio communication" (Enable/disable

radio comm.) 49

13.27 Language 49

13.28 "Date and time" (Set date and time) 50

13.29 "Unit configuration" (Units) 50

13.30 "Buttons on product" (Enable/disable

settings) 50

13.31 Delete history 50

13.32 Define Home display 51

13.33 Display settings 51

13.34 "Store settings" (Store actual settings) 51

13.35 "Recall settings" (Recall stored settings) 51

13.36 "Pump name" 51

13.37 "Connection code" 52

13.38 Run start-up guide 52

13.39 Alarm log 52

13.40 Warning log 53

13.41 Assist 53

13.42 Assisted pump setup 53

13.43 Setup, analog input 53

13.44 Setting of date and time 54

13.45 "Multi-pump setup" (Setup of multi-pump

system) 54

13.46 Description of control mode 57

13.47 Assisted fault advice 57

14. Bus signal 57

15. Priority of settings 58

16. Grundfos Eye 59

17. Signal relays 60

English (GB)

1. Symbols used in this document

18. Installing a communication interface

module 61

19. Identification of functional module 63

20. Identification of control panel 63

21. Changing the position of the control

panel 64

22. Servicing the product 65

22.1 Motor 65

22.2 Pump 65

23. Cleaning the product 65

24. Factory settings 66

25. Megging 68

26. Technical data, single-phase motors 68

26.1 Supply voltage 68

26.2 Leakage current 68

27. Technical data, three-phase motors 68

27.1 Supply voltage 68

27.2 Leakage current (AC) 69

28. Inputs/outputs 69

29. Other technical data 71

29.1 Sound pressure level 72

30. Disposing of the product 72

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.

Tips and advice that make the work easier.

If these instructions are not observed, it

may result in malfunction or damage to the

equipment.

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.

English (GB)

2. Abbreviations and definitions 3. General information

These installation and operating instructions are a

supplement to the installation and operating

instructions for the corresponding standard pumps

CR, CRI, CRN, SPK, MTR and CM. For instructions

not mentioned specifically in this manual, see the

installation and operating instructions for the

standard pump.

4. General description

Grundfos E-pumps are fitted with

frequency-controlled permanent-magnet motors for

single-phase or three-phase mains connection.

4.1 Pumps without factory-fitted sensor

The pumps have a built-in PI controller and can be

set for an external sensor enabling the control of the

following parameters:

• constant pressure

• constant differential pressure

• constant temperature

• constant differential temperature

• constant flow rate

• constant level

• constant curve

• constant other value.

The pumps have been factory-set to constant-curve

control mode. You can change the control mode with

R100 or Grundfos GO.

4.2 Pumps with factory-fitted pressure

sensor

The pumps have a built-in PI controller and are set

for a pressure sensor enabling the control of the

outlet pressure.

The pumps have been factory-set to

constant-pressure control mode. The pumps are

typically used to keep a constant pressure in

variable-demand systems.

AI Analog input.

AL Alarm, out of range at lower limit.

AO Analog output.

AU Alarm, out of range at upper limit.

CIM Communication interface module.

Current

sinking

The ability to draw current into the

terminal and guide it towards GND in

the internal circuitry.

Current

sourcing

The ability to push current out of the

terminal and into an external load

which must return it to GND.

DI Digital input.

DO Digital output.

ELCB Earth leakage circuit breaker.

FM Functional module.

GDS

Grundfos Digital Sensor.

Factory-fitted sensor in some

Grundfos pumps.

GENIbus Proprietary Grundfos fieldbus

standard.

GFCI Ground fault circuit interrupter.

(USA and Canada).

GND Ground.

Grundfos

Eye Status indicator light.

LIVE Low voltage with the risk of electric

shock if the terminals are touched.

OC Open collector:

Configurable open-collector output.

PE Protective earth.

PELV

Protective extra-low voltage.

A voltage that cannot exceed ELV

under normal conditions and under

single-fault conditions, except earth

faults in other circuits.

RCD Residual-current device

SELV

Safety extra-low voltage.

A voltage that cannot exceed ELV

under normal conditions and under

single-fault conditions, including

earth faults in other circuits.

English (GB)

4.3 Settings

The description of settings applies both to pumps

without factory-fitted sensor and to pumps with a

factory-fitted pressure sensor.

Setpoint

You can set the desired setpoint in three ways:

• on the pump control panel

• via an input for external setpoint signal

• with the Grundfos wireless R100 remote control

or Grundfos GO.

Other settings

Make all other settings with R100 or Grundfos GO.

You can read important parameters, such as the

actual value of the control parameter and power

consumption, via R100 or Grundfos GO.

If special or customised settings are required, use

Grundfos PC Tool. Contact your local Grundfos

company for more information.

4.4 Radio communication

This product incorporates a radio module for remote

control which is a class 1 device and which you can

use anywhere in the EU without restrictions.

For use in USA and Canada, see page 73.

Some variants of the product and products sold in

China and Korea have no radio module.

This product can communicate with the Grundfos

GO and other products of the same type via the

built-in radio module.

In some cases, an external antenna may be

required. Only Grundfos-approved external antennas

may be connected to this product, and only by a

Grundfos-approved installer.

4.5 Battery

A Li-ion battery is fitted in CRE, CRIE, CRNE, SPKE

and MTRE pumps. The Li-ion battery complies with

the Battery Directive (2006/66/EC). The battery does

not contain mercury, lead and cadmium.

5. Receiving the product

5.1 Transporting the product

• Motors from 2.2 to 5.5 kW: Do not stack more

than two motors in their original packaging.

• Motors from 5.5 to 11 kW: Do not stack the

motors.

5.2 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.

3. If parts are damaged or missing, contact your

local Grundfos sales company.

6. Mechanical installation

6.1 Handling the product

Observe local regulations setting limits for manual

lifting or handling. The motor weight is stated on the

nameplate.

WARNING

Falling objects

Death or serious personal injury

- Secure the product during

transportation to prevent it from tilting or

falling down.

CAUTION

Crushing of feet

Minor or moderate personal injury

- Wear safety shoes when moving the

product.

CAUTION

Back injury

Minor or moderate personal injury

- Use lifting equipment.

CAUTION

Crushing of feet

Minor or moderate personal injury

- Wear safety shoes and attach lifting

equipment to the motor eyebolts when

handling the product.

Do not lift the product by the terminal box.

English (GB)

6.2 Mounting

6.3 Cable entries

See the size of the cable entries in section 29. Other

technical data.

6.4 Cable glands

The number and size of cable glands delivered with

the pump depends on the motor size. See section

29. Other technical data.

6.5 Ensuring motor cooling

Leave at least 50 mm between the end of the fan

cover and a wall or other fixed objects. See fig. 1.

Fig. 1 Minimum distance (D) from the motor to

a wall or other fixed objects

6.6 Outdoor installation

If you install the motor outdoors, provide the motor

with a suitable cover and open the drain holes to

avoid condensation on the electronic components.

See figures 2and 3.

The cover must be sufficiently large to ensure that

the motor is not exposed to direct sunlight, rain or

snow. Grundfos does not supply covers. We

therefore recommend that you have a cover built for

the specific application. In areas with high humidity,

we recommend that you connect the motor

permanently to the mains supply and activate the

built-in standstill heating function. See section

13.22 Standstill heating, page 48.

Fig. 2 Examples of covers (not supplied by

Grundfos)

6.7 Drain holes

When the motor is installed in moist surroundings or

areas with high humidity, the bottom drain hole must

be open. The enclosure class of the motor will then

be lower. This helps prevent condensation in the

motor as the motor becomes self-venting, and it

allows water and humid air to escape.

The motor has a plugged drain hole on the drive

side. You can turn the flange 90 ° to both sides or

180 °.

Fig. 3 Drain holes

CAUTION

Crushing of feet

Minor or moderate personal injury

- Secure the product to a solid foundation

by bolts through the holes in the flange

or the base plate.

In order to maintain the UL mark,

additional requirements apply to the

equipment. See page 73.

TM05 5236 3512

When fitting a cover to the motor, observe

the guideline in section 6.5 Ensuring motor

cooling.

TM05 3496 3512

In order to maintain the UL mark,

additional requirements apply to the

equipment. See page 73.

TM02 9037 1604

B3 B14 B5

English (GB)

7. Electrical installation

If the power supply 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 the

installation of correct earthing and protection

according to local regulations. All operations must be

carried out by a qualified electrician.

7.1 Protection against electric shock,

indirect contact

Protective-earth conductors must always have a

yellow/green (PE) or yellow/green/blue (PEN) colour

marking.

7.1.1 Protection against mains voltage transients

The motor is protected against mains voltage

transients in accordance with EN 61800-3.

7.1.2 Motor protection

The motor requires no external motor protection. The

motor incorporates thermal protection against slow

overloading and blocking.

7.2 Cable requirements

7.2.1 Cable cross-section

1 x 200-230 V

3 x 380-500 V

3 x 200-240 V

7.2.2 Conductors

Type

Stranded or solid copper conductors.

Temperature rating

Temperature rating for conductor insulation: 60 °C

(140 °F).

Temperature rating for outer cable sheath: 75 °C

(167 °F).

DANGER

Electric shock

- Death or serious personal injury

- Switch off the power supply to the motor

and to 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

accidentally switched on.

DANGER

Electric shock

- Death or serious personal injury

- Check that the supply voltage and

frequency correspond to the values

stated on the nameplate.

WARNING

Electric shock

- Death or serious personal injury

- Connect the motor to a protective earth

and provide protection against indirect

contact in accordance with local

regulations.

DANGER

Electric shock

- Death or serious personal injury

- Always comply with local regulations as

to cable cross-sections.

Power

[kW]

Conductor

type

Cross section

[mm2][AWG]

0.25 - 1.5 Solid 1.5 - 2.5 16-12

Stranded 1.5 - 2.5 16-12

Power

[kW]

Conductor

type

Cross section

[mm2][AWG]

0.25 - 2.2 Solid 1.5 - 10 16-8

Stranded 1.5 - 10 16-8

3.0 - 11 Solid 2.5 - 10 14-8

Stranded 2.5 - 10 14-8

Power

[kW]

Conductor

type

Cross section

[mm2][AWG]

1.1 - 1.5 Solid 1.5 - 10 16-8

Stranded 1.5 - 10 16-8

2.2 - 5.5 Solid 2.5 - 10 14-8

Stranded 2.5 - 10 14-8

English (GB)

7.3 Mains supply

7.3.1 Single-phase supply voltage

• 1 x 200-240 V - 10 %/+ 10 %, 50/60 Hz, PE.

Check that the supply voltage and frequency

correspond to the values stated on the nameplate.

The wires in the motor terminal box must be as short

as possible. Excepted from this is the separated

earth conductor which 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.

For maximum backup fuse, see section 26.1 Supply

voltage.

Fig. 4 Example of a mains-connected motor

with mains switch, backup fuse and

additional protection

Fig. 5 Mains connection, single-phase motors

7.3.2 Three-phase supply voltage

Three-phase motors are available for the voltages

below:

• 3 x 380-500 V - 10 %/+ 10 %, 50/60 Hz, PE

• 3 x 200-240 V - 10 %/+ 10 %, 50/60 Hz, PE.

Check that the supply voltage and frequency

correspond to the values stated on the nameplate.

The wires in the motor terminal box must be as short

as possible. Excepted from this is the separated

earth conductor which 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.

In order to avoid loose connections, make sure that

you have pressed home the terminal block for L1, L2

and L3 in its socket when you connect the supply

cable.

For maximum backup fuse, see section 27.1 Supply

voltage.

Only the following motors can be supplied through

an IT network:

• Motors with speed of 1450-2000/2200 rpm and

up to 1.5 kW

• Motors with speed of 2900-4000 rpm or

4000-5900 rpm and up to 2.2 kW.

Fig. 6 Example of a mains-connected motor

with mains switch, backup fuses and

additional protection

Fig. 7 Mains connection, three-phase motors

DANGER

Electric shock

- Death or serious personal injury

- Use the recommended fuse size. See

section 26.1 Supply voltage.

If you want to supply the motor through an

IT network, make sure that you have a

suitable motor variant. If you are in doubt,

contact Grundfos.

TM05 4034 1912TM05 3494 1512

RCD,

type B

If you want to supply the motor through an

IT network, make sure that you have a

suitable motor variant. If you are in doubt,

contact Grundfos.

Corner earthing is not allowed for supply

voltages above 3 x 240 V and 3 x 480 V,

50/60 Hz.

TM05 3942 1812TM05 3495 1512

RCD,

type B

English (GB)

7.4 Additional protection

The residual-current circuit breaker must be marked

with the following symbol:

The total leakage current of all the electrical

equipment in the installation must be taken into

account. You find the leakage current of the motor in

sections 26.2 Leakage current and 27.2 Leakage

current (AC).

This product can cause a direct current in the

protective earth conductor.

Overvoltage and undervoltage protection

Overvoltage and undervoltage may occur in case of

unstable power supply or a faulty installation. The

motor is stopped if the voltage falls outside the

permissible voltage range. The motor restarts

automatically when the voltage is again within the

permissible voltage range. Therefore, no additional

protection relay is required.

Overload protection

If the upper load limit is exceeded, the motor

automatically compensates for this by reducing the

speed and stops if the overload condition persists.

The motor remains stopped for a set period. After

this period, the motor automatically attempts to

restart. The overload protection prevents damage to

the motor. Consequently, no additional motor

protection is required.

Overtemperature protection

The electronic unit has a built-in temperature sensor

as an additional protection. When the temperature

rises above a certain level, the motor automatically

compensates for this by reducing the speed and

stops if the temperature keeps rising. The motor

remains stopped for a set period. After this period,

the motor automatically attempts to restart.

Protection against phase unbalance

Three-phase motors must be connected to a power

supply with a quality corresponding to IEC

60146-1-1, class C, to ensure correct motor

operation at phase unbalance. This also ensures

long life of the components.

7.5 Connection terminals

The descriptions and terminal overviews in this

section apply to both single- and three-phase

motors.

For maximum torques, see section Torques, page

71.

7.5.1 Connection terminals, CRE, CRIE, CRNE,

SPKE and MTRE pumps

CRE, CRIE, CRNE, SPKE and MTRE pumps have a

number of inputs and outputs enabling the pumps to

be used in advanced applications where many inputs

and outputs are required.

The pumps have these connections:

• three analog inputs

• one analog output

• two dedicated digital inputs

• two configurable digital inputs or open-collector

outputs

• Grundfos Digital Sensor input and output

• two Pt100/1000 inputs

• two LiqTec sensor inputs

• two signal relay outputs

• GENIbus connection.

See fig. 8.

DANGER

Electric shock

- Death or serious personal injury

- Only use residual-current circuit

breakers (ELCB, GFCI, RCD) of type B.

The motor is protected against transients

from the power supply according to EN

61800-3. In areas with high lightning

intensity, we recommend external lightning

protection.

English (GB)

• Inputs and outputs

All inputs and outputs are internally separated from

the mains-conducting parts by reinforced insulation

and galvanically separated from other circuits. All

control terminals are supplied by protective extra-low

voltage (PELV), thus ensuring protection against

electric shock.

• Signal relay outputs

– Signal relay 1:

LIVE:

You can connect supply voltages up to 250

VAC.

PELV:

The output is galvanically separated from

other circuits. Therefore, you can connect the

supply voltage or protective extra-low voltage

to the output as desired.

– Signal relay 2:

PELV:

The output is galvanically separated from

other circuits. Therefore, you can connect the

supply voltage or protective extra-low voltage

to the output as desired.

• Mains supply (terminals N, PE, L or L1, L2, L3,

PE).

* If you use an external supply source, there must

be a connection to GND.

Fig. 8 Connection terminals, CRE, CRIE,

CRNE, SPKE and MTRE pumps

Digital input 1 is factory-set to be start-stop

input where open circuit results in stop. A

jumper has been factory-fitted between

terminals 2 and 6. Remove the jumper if

digital input 1 is to be used as external

start-stop or any other external function.

DANGER

Electric shock

- Death or serious personal injury

- Make sure that the wires to be

connected to the connection groups

below are separated from each other by

reinforced insulation in their entire

lengths.

TM05 3509 3512

+24 V*

+24 V* OC DI

+24 V*/5 V*

+24 V*

+24 V*/5 V*

+24 V*

+24 V*/5 V*

+24 V*

+5 V*

AI2

GDS RX

GDS TX

GND

GENIbus A

GENIbus B

+5 V

+24 V

GND

GENIbus Y

GND

+5 V

DI1

AI1

DI3/OC1

LiqTec

AI3

GND

DI2

LiqTec

GND

Pt100/1000

DI4/OC2

GND

+24 V* OC DI

GND

+5 V*

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