Grundfos CMBE Bedienungsanleitung

CMBE

With drinking-water approved tank

Installation and operating instructions

GRUNDFOS INSTRUCTIONS

CMBE

English (GB)

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

Deutsch (DE)

Montage- und Betriebsanleitung .....................................24

Français (FR)

Notice d'installation et de fonctionnement...............................45

Italiano (IT)

Istruzioni di installazione e funzionamento ..............................65

Nederlands (NL)

Installatie- en bedieningsinstructies ...................................85

EU declaration of conformity .....................................105

UK declaration of conformity.....................................108

Table of contents

English (GB) Installation and operating instructions

Original installation and operating instructions

Table of contents

1. General information ............. 5

1.1 Hazard statements .............. 5

1.2 Notes ..................... 5

2. Safety instructions ............. 6

3. Product introduction ............ 8

3.1 Intended use ................. 8

3.2 Pumped liquids ................ 9

3.3 System sizing ................. 9

4. Mechanical installation ........... 9

4.1 Mounting the tank ............... 9

4.2 Adjusting the diaphragm tank pressure . ..10

4.3 Installation altitude ..............10

5. Electrical connection ............10

5.1 Cable requirements ..............11

5.2 Standard functional module, FM 200.....11

6. Startup ....................15

6.1 Flushing the system..............15

6.2 Supplement to quick guide ..........15

6.3 Priming and venting the product .......15

6.4 Starting up the booster system ........16

6.5 Shaft seal run-in................16

7. Control functions ..............16

7.1 Constant pressure ..............16

7.2 Dry-running protection ............16

7.3 Inlet pressure protection ...........17

8. Setting the product .............18

8.1 Operating panel ................18

8.2 Setpoint setting ................18

8.3 Start/stop of pump ..............18

8.4 Resetting of fault indications .........18

9. Servicing the product ............19

9.1 Cable requirements ..............19

9.2 Megging ....................19

10. Taking the product out of operation ....19

11. Fault finding .................20

11.1 Pump is not running..............20

11.2 Pump is not running..............20

11.3 Pump performance is unstable ........21

11.4 Pump runs backwards when switched off ..21

12. Technical data ................22

12.1 Operating conditions .............22

12.2 Supply voltage ................22

12.3 Overload protection ..............22

12.4 Cable requirements ..............22

13. Further product information ........23

14. Disposing of the product ..........23

15. Document quality feedback ........23

English (GB)

1. General information

This appliance can be used by children

aged from 8 years and above and persons

with reduced physical, sensory or mental

capabilities or lack of experience and

knowledge if they have been given

supervision or instruction concerning use

of the appliance in a safe way and

understand the hazards involved.

Children shall not play with the appliance.

Cleaning and user maintenance shall not

be made by children without supervision.

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

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.

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.

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)

2. Safety instructions

Mechanical installation

DANGER

Electric shock

Death or serious personal injury

‐In case of an insulation fault, the fault

current may be a DC or pulsating DC.

Observe national legislation about

requirements for and selection of

Residual Current Device (RCD) when

installing the product.

WARNING

Electric shock

Death or serious personal injury

‐Switch off the power supply before you

start any work on the product. Make

sure that the power supply cannot be

switched on accidentally.

WARNING

Hot liquid

Death or serious personal injury

‐To avoid leakage do not overtighten

the pipe connections.

CAUTION

Sharp element

Minor or moderate personal injury

‐Wear personal protective equipment.

CAUTION

Crushing of feet

Minor or moderate personal injury

‐Wear safety shoes when moving the

product.

‐Use lifting equipment.

CAUTION

Back injury

Minor or moderate personal injury

‐Use lifting equipment.

Electrical connection

DANGER

Electric shock

Death or serious personal injury

‐In case of an insulation fault, the fault

current may be a DC or pulsating

DC.Observe national legislation about

requirements for and selection of

Residual Current Device (RCD) when

installing the product.

WARNING

Electric shock

Death or serious personal injury

‐Carry out the electrical connection in

accordance with local regulations.

WARNING

Electric shock

Death or serious personal injury

‐Check that the power plug delivered

with the product is in compliance with

local regulations.

‐The protective earth of the power outlet

must be connected to the protective

earth of the product. The plug must

therefore have the same PE

connection system as the power outlet.

If not, use a suitable adapter if allowed

by local regulations.

‐Provide protection against indirect

contact in accordance with local

regulations.

‐Make sure all earth connections are

established correctly before switching

on the power supply.

‐The user or the installer is responsible

for correct earthing and protection

according to local regulations.

‐The installer is responsible for potential

compensation.

‐Work must be carried out according

to IEC 60204-1:2016.

WARNING

Electric shock

Death or serious personal injury

‐A supply disconnecting device made

according to EN 60204-1 5.3.2 must be

provided with means permitting it to be

locked in the OFF (isolated) position.

This device must also be installed in a

position according to EN 60204-1,

5.3.4.

WARNING

Electric shock

Death or serious personal injury

‐Power cables without a plug must be

connected to a supply disconnecting

device incorporated in the fixed wiring

according to local regulations.

Cable requirements

English (GB)

WARNING

Electric shock

Death or serious personal injury

‐Comply with local regulations as to

cable cross-sections.

Connection terminals for inputs and outputs

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.

Startup

WARNING

Hot liquid

Death or serious personal injury

‐If the temperature is higher than 50 °C,

use gloves and glasses when venting

the pump to avoid risk of scalding.

WARNING

Biological hazard

Death or serious personal injury

‐Flush the pump with clean water

before first use.

Flushing the system

DANGER

Contaminated drinking water

Death or serious personal injury

‐Flush the system before starting it or

after a standstill period.

Servicing the product

DANGER

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.

DANGER

Magnetic field

Death or serious personal injury

‐Persons with pacemaker must not

handle the motor or rotor.

WARNING

Pressurised system

Death or serious personal injury

‐Depressurise the system before you

start any work on the product. The

pumped liquid may be scalding hot and

under high pressure.

‐Drain the system or close the isolating

valves on either side of the pump.

WARNING

Biological hazard

Death or serious personal injury

‐When servicing the product, only use

Grundfos original spare parts.

Cable requirements

WARNING

Electric shock

Death or serious personal injury

‐Comply with local regulations as to

cable cross-sections.

Taking the product out of operation

WARNING

Electric shock

Death or serious personal injury

‐Switch off the power supply before you

start any work on the product. Make

sure that the power supply cannot be

switched on accidentally.

WARNING

Pressurised system

Death or serious personal injury

‐Depressurise the system before you

start any work on the product. The

pumped liquid may be scalding hot and

under high pressure.

‐Drain the system or close the isolating

valves on either side of the pump.

Fault finding

WARNING

Electric shock

Death or serious personal injury

‐Switch off the power supply before you

start any work on the product.Make

sure that the power supply cannot be

switched on accidentally.

English (GB)

WARNING

Pressurised system

Death or serious personal injury

‐Depressurise the system before you

start any work on the product. The

pumped liquid may be scalding hot and

under high pressure.

‐Drain the system or close the isolating

valves on either side of the pump.

WARNING

Biological hazard

Death or serious personal injury

‐When servicing the product, only use

Grundfos original spare parts.

Cable requirements

DANGER

Electric shock

Death or serious personal injury

‐Comply with local regulations as to

cable cross-sections.

‐Use the recommended fuse size.

3. Product introduction

TM084222

CMBE is a high-efficiency compact booster suitable

for clean water supply and pressure boosting in

domestic and light commercial applications. It

keeps a constant pressure via the integrated speed

control.

3.1 Intended use

The product has been evaluated for use in indoor

installations with:

• clean water

• drinking water.

Only use the product according to the

specifications stated in these installation

and operating instructions.

Check local regulations.

English (GB)

3.2 Pumped liquids

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

aggressive, non-toxic and non-explosive liquids

without solid particles or fibres.

If the water contains sand, gravel or other

debris, there is a risk of pump blockage

and pump damage.

Please install a filter on the inlet side or

apply a floating strainer to protect the

pump.

3.3 System sizing

The system in which the CME Booster is

incorporated must be designed for the

maximum pump pressure.

The pump is by default set to not stop until it reaches

its maximum pressure.

4. Mechanical installation

DANGER

Electric shock

Death or serious personal injury

‐In case of an insulation fault, the fault

current may be a DC or pulsating DC.

Observe national legislation about

requirements for and selection of

Residual Current Device (RCD) when

installing the product.

WARNING

Electric shock

Death or serious personal injury

‐Switch off the power supply before you

start any work on the product. Make

sure that the power supply cannot be

switched on accidentally.

WARNING

Hot liquid

Death or serious personal injury

‐To avoid leakage do not overtighten

the pipe connections.

CAUTION

Sharp element

Minor or moderate personal injury

‐Wear personal protective equipment.

CAUTION

Crushing of feet

Minor or moderate personal injury

‐Wear safety shoes when moving the

product.

‐Use lifting equipment.

CAUTION

Back injury

Minor or moderate personal injury

‐Use lifting equipment.

4.1 Mounting the tank

1. Apply drinking-water approved sealant tape to the

thread of the tank.

2. Screw the tank on the pump.

3. Check the system for leakages.

4. Check the precharge pressure.

Related information

4.2 Adjusting the diaphragm tank pressure

English (GB)

4.2 Adjusting the diaphragm tank pressure

1. Check the precharge pressure in the diaphragm

tank. The correct precharge pressure is 0.7 times

the required outlet pressure (setpoint).

Measure the precharge pressure while

the system is pressureless.

2. Adjust the precharge pressure. Always use

nitrogen gas to refill the tanks.

Related information

4.1 Mounting the tank

9. Servicing the product

4.3 Installation altitude

The installation altitude is the height above sea level

of the installation site.

• Products installed up to 1000 m above sea level

can be loaded 100 %.

• The motors can be installed up to 3500 m above

sea level.

Motors installed more than 1000 m above

sea level must not be fully loaded due to

the low density and consequent low

cooling effect of the air.

The motor output power (P2) in relation to the altitude

above sea level is shown in the graph below.

100

500 1000 1500 2000 2500 3000 3500 X

P2 [%]

TM055243

Derating of motor output (P2) in relation to altitude

above sea level

Pos. Description

x Altitude [m]

Related information

12.1.4 Ambient temperature during operation

5. Electrical connection

DANGER

Electric shock

Death or serious personal injury

‐In case of an insulation fault, the fault

current may be a DC or pulsating

DC.Observe national legislation about

requirements for and selection of

Residual Current Device (RCD) when

installing the product.

WARNING

Electric shock

Death or serious personal injury

‐Carry out the electrical connection in

accordance with local regulations.

WARNING

Electric shock

Death or serious personal injury

‐Check that the power plug delivered

with the product is in compliance with

local regulations.

‐The protective earth of the power outlet

must be connected to the protective

earth of the product. The plug must

therefore have the same PE

connection system as the power outlet.

If not, use a suitable adapter if allowed

by local regulations.

‐Provide protection against indirect

contact in accordance with local

regulations.

‐Make sure all earth connections are

established correctly before switching

on the power supply.

‐The user or the installer is responsible

for correct earthing and protection

according to local regulations.

‐The installer is responsible for potential

compensation.

‐Work must be carried out according

to IEC 60204-1:2016.

WARNING

Electric shock

Death or serious personal injury

‐A supply disconnecting device made

according to EN 60204-1 5.3.2 must be

provided with means permitting it to be

locked in the OFF (isolated) position.

This device must also be installed in a

position according to EN 60204-1,

5.3.4.

English (GB)

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