Hydro Micro-EInstallation and operating instructions

GRUNDFOS INSTRUCTIONS

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Hydro Micro-E

English (GB)Installation and operating instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Appendix 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Declaration of conformity 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

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English (GB) Installation and operating instructions

Original installation and operating instructions.

CONTENTSPage

1. Symbols used in this document

2. Scope of these instructionsThese installation and operating instructions apply to Grundfos Hydro Micro-E booster systems.

Hydro Micro-E is a range of factory-assembled booster systems, ready for installation and operation.

1. Symbols used in this document 4

2. Scope of these instructions 4

3. Product description 53.1 General description 53.2 Functions 53.3 Hydro Micro-E 5

4. Identification 64.1 Type key 6

5. Operating conditions 75.1 Temperatures 75.2 Installation altitude 75.3 Relative air humidity 75.4 Maximum operating pressure 75.5 Shaft seal run-in 75.6 Minimum inlet pressure 75.7 Maximum inlet pressure 85.8 Minimum flow rate 85.9 Start/stop 85.10 Diaphragm tank 8

6. Installation 86.1 Location 86.2 Mechanical installation 86.3 Electrical installation 96.4 Dry-running protection 10

7. Startup 10

8. Operating modes 118.1 Normal operation 118.2 Stop or max. operation 118.3 Operating condition in case of disconnection of power

supply 118.4 Further settings 11

9. User interfaces 119.1 Standard operating panel 11

10. Grundfos GO 1310.1 Communication 1310.2 Menu overview for Grundfos GO 14

11. Multi-master function 1511.1 Systems with one discharge-pressure sensor 1511.2 Systems with two or more discharge-pressure sensors 15

12. Protective functions 1512.1 Dry-running protection 1512.2 Level switch 15

13. Bus signal 15

14. Priority of settings 16

15. Grundfos Eye 17

16. Signal relays 18

17. Digital input 19

18. Data communication 19

19. Insulation resistance 19

20. Maintenance 1920.1 Pumps 1920.2 Motors 1920.3 Breaker box 19

21. Shutdown 1921.1 Frost protection 1921.2 Service kits 19

22. Fault finding 20

23. Technical data 2123.1 Supply voltage 2123.2 Leakage current 21

24. Inputs/outputs 2124.1 Other technical data 22

25. Disposal 22

Warning

Prior to installation, read these installation and operating instructions. Installation and operation must comply with local regulations and accepted codes of good practice.

Warning

If these safety instructions are not observed, it may result in personal injury.

Warning

If these instructions are not observed, it may lead to electric shock with consequent risk of serious personal injury or death.

Warning

The surface of the product may be so hot that it may cause burns or personal injury.

Caution If these safety instructions are not observed, it may result in malfunction or damage to the equipment.

NoteNotes or instructions that make the job easier and ensure safe operation.

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3. Product description

3.1 General description

Grundfos Hydro Micro-E booster systems are designed for the pressure boosting of clean water in blocks of flats, hotels, hospitals, schools, etc.

Hydro Micro-E incorporates Grundfos CME-A pumps fitted with frequency-controlled single-phase MGE motors and a breaker box.

Hydro Micro-E maintains a constant pressure through continuously variable adjustment of the speed of the pumps connected.

It adjusts its performance to the demand through cutting in or out the required number of pumps and through parallel control of the pumps in operation.

It performs automatic pump changeover according to the principle "first in, first out" (FIFO).

Hydro Micro-E has been factory-assembled and tested with the control parameters mentioned in the quick guide supplied with the booster system.

3.2 Functions

Hydro Micro-E offers the following functions:

• multi-master function

• constant pressure

• redundant sensor

• stop at low flow

• cascade control of pumps

• automatic alternation

• pipe filling

• limit-exceeded

• two digital inputs

• two digital outputs

• two analog inputs

• optional bus communication via Grundfos CIM modules.

3.3 Hydro Micro-E

Fig. 1 Hydro Micro-E components

The breaker box incorporates the circuit breakers.

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PI

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BREAKER

Pressure transmitter

Pressure indicator

Pump

Valve

Non-return valve

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4. Identification

4.1 Type key

Code Example Hydro Micro -E 2 CME 5-4 U8 A- A- ABC

Type range

ESystem typePumps with integrated frequency converter

Number of pumps

Pump type

U8Supply voltage1 x 200-240, N, PE, 50/60 Hz

AB

DesignBreaker box viewed from motor endBreaker box viewed from the manifold end

AStarting methodElectronic soft starter (pumps with integrated frequency converter)

ABC

OptionsStandard system hydraulicsLevel switch as dry-running protectionCIM module fitted in pump 1

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5. Operating conditions

5.1 Temperatures

5.1.1 Ambient temperature during storage and transportation

Minimum -30 °C

Maximum +60 °C.

5.1.2 Ambient temperature during operation

Minimum -20 °C

Maximum +50 °C.

The motors can operate with the rated output power (P2) at 50 °C, but continuous operation at higher temperatures will reduce the expected product life. If the motors are to operate at ambient temperatures between 50 and 60 °C, oversized motors must be selected. Contact Grundfos for further information.

5.1.3 Liquid temperature

Minimum 0 °C

Maximum 60 °C.

5.2 Installation altitude

Installation altitude is the height above sea level of the installation site.

• Motors installed up to 1000 m above sea level can be loaded 100 %.

• 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. See fig. 2.

Fig. 2 Derating of motor output power (P2) in relation to altitude above sea level

5.3 Relative air humidity

Maximum 95 %.

5.4 Maximum operating pressure

See nameplate.

5.5 Shaft seal run-in

The seal faces are lubricated by the pumped liquid, meaning that there may be a certain amount of leakage from the shaft seal.

When the pump is started up for the first time, or when a new shaft seal is installed, a certain run-in period is required before the leakage is reduced to an acceptable level. The time required for this depends on the operating conditions, i.e. every time the operating conditions change, a new run-in period will be started.

Under normal conditions, the leaking liquid will evaporate. As a result, no leakage will be detected.

5.6 Minimum inlet pressure

Fig. 3 Parameters for the calculation of minimum inlet pressure

The minimum inlet pressure "H" in metres head required to avoid cavitation in the pumps can be calculated as follows:

H = pb x 10.2 - NPSH - Hf - Hv - Hs

If the calculated "H" is positive, the individual pump can operate at a suction lift of maximum "H" metres head.

If the calculated "H" is negative, a minimum suction head of "H" metres is required during operation.

Caution The motors must not be installed more than 2000 m above sea level.

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1000 1200 1400 1600 1800 2000 2200[m]

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Altitude [m]

P2

[%]

Caution Hydro Micro-E systems with CME pumps require a positive inlet pressure during startup and operation.

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pb = Barometric pressure in bar.(Barometric pressure can be set to 1 bar.)

In closed systems, pb indicates the system pressure in bar.

NPSH = Net Positive Suction Head in metres head(to be read from the NPSH curves in the installation and operating instructions for the pumps).

Hf = Friction loss in suction manifold in metres head at the highest flow the individual pump will be delivering.

Note: If a non-return valve is installed on the suction side of the pump, the friction loss in the valve must be added. See the manufacturer's data.

Hv = Vapour pressure in metres head. See page 23.

tm = liquid temperature.

Hs = Safety margin = minimum 0.5 m head.

Hv

H NPSHPb

HfHf

H pb

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Example

pb = 1 bar.

Pump type: CRE 15, 50 Hz.

Flow rate: 15 m3/h.

NPSH (from page 23): 1.2 m head.

Hf = 3.0 m head.

Liquid temperature: +60 °C.

Hv (from page 23): 2.1 m head.

H = pb x 10.2 - NPSH - Hf - Hv - Hs [m head].

H = 1 x 10.2 - 1.2 - 3.0 - 2.1 - 0.5 = 2.8 m head.

This means that each pump can operate at a suction lift of maximum 2.8 m head.

Pressure calculated in bar: 2.8 x 0.0981 = 0.27.

Pressure calculated in kPa: 2.8 x 9.81 = 27.4.

5.7 Maximum inlet pressure

The maximum inlet pressure must not exceed 8 bar. However, the actual inlet pressure plus pressure when the pump is operating against a closed valve must always be lower than the maximum operating pressure.

5.8 Minimum flow rate

Due to the risk of overheating, the pumps should not be used at flows below 10 % of the rated flow of one pump.

5.9 Start/stop

The system must not be started and stopped via the power supply more than four times per hour.

When the system is switched on via the power supply, it will start after approx. 5 seconds.

5.10 Diaphragm tank

The diaphragm tank precharge pressure must be set to 0.7 x setpoint.

If the setpoint is changed, the diaphragm tank precharge pressure should be changed accordingly to ensure optimum operation.

We recommend to use nitrogen gas for precharging.

6. Installation

6.1 Location

Observe the following points to ensure adequate cooling of motor and electronics:

• Position Hydro Micro-E in such a way that adequate cooling is ensured.

• Keep motor cooling fins and fan blades clean.

Hydro Micro-E is not suitable for outdoor installation.

The booster system must have 1 m clearance in front and on the two sides.

6.2 Mechanical installation

Arrows on the pump base show the direction of flow of water through the pump.

The pipes connected to the booster system must be of adequate size. Fit expansion joints in the suction and discharge pipes to avoid resonance. See fig. 4.

Connect the pipes to the manifolds of the booster system.

The manifold comes with a screw cap fitted to one end. If this end is to be used, remove the screw cap, apply sealing compound to the other end of the manifold, and fit the screw. Fit a blanking flange with gasket on flanged manifolds.

Tighten up the booster system prior to startup.

If booster systems are installed in blocks of flats, we recommend to fit pipe supports on the suction and discharge pipes to prevent vibration being transmitted through the pipework. See fig. 4.

Position the booster system on a plane and solid surface, for example a concrete floor or foundation. If the booster system is not fitted with vibration dampers, it must be bolted to the floor or foundation.

Fasten the pipes to parts of the building to ensure that they cannot move or be twisted.

Fig. 4 Installation example with expansion joints and pipe supports

The expansion joints and pipe supports shown in fig. 4 are not included in the standard Hydro Micro-E.

NoteThe pumps must not run against a closed discharge valve.

NoteMeasure the precharge pressure while the system is pressureless.

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Pos. Description

1 Expansion joint

2 Pipe support

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6.3 Electrical installation

Carry out the electrical connection according to local regulations.

Check that the supply voltage and frequency correspond to the values stated on the nameplate.

Fig. 5 Hydro Micro-E with CME pumps

Protection against electric shock, indirect contact

Protective-earth conductors must always have a yellow/green (PE) or yellow/green/blue (PEN) colour marking.

Systems with single-phase motors

If Hydro Micro-E is connected to an electric installation where an earth leakage circuit breaker (ELCB) or ground fault circuit interrupter (GFCI) is used as additional protection, this circuit breaker or interrupter must be marked with the following symbol:

The leakage current of Hydro Micro-E can be found in section 23.2 Leakage current.

Motor protection

Hydro Micro-E requires no external motor protection. The motors incorporate thermal protection against steady overload and stalled condition.

Protection against mains voltage transients

Hydro Micro-E is protected against mains voltage transients in accordance with EN 61800-3.

Supply voltage

1 x 230 V - 10 %/+ 10 %, 50/60 Hz, N, PE.

The supply voltage and frequency are marked on the pump nameplate. Make sure that the pump is suitable for the power supply of the installation site.

The wires in the Hydro Micro-E breaker box must be as short as possible. Excepted from this is the protective 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 23.1 Supply voltage.

Fig. 6 Example of a mains-connected Hydro Micro-E with backup fuses

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Warning

Do not make any connections in the breaker box or terminal boxes unless the power supply has been switched off for at least 5 minutes. Make sure that the power supply cannot be accidentally switched on.

Hydro Micro-E must be earthed and protected against indirect contact according to local regulations.

If the power supply cable is damaged, it must be replaced by the manufacturer, the manufacturer's service partner or a similarly qualified person.

Note

The user or the installer is responsible for the installation of correct earthing and protection according to local regulations. All work must be carried out by trained personnel.

Note

Hydro Micro-E must be stationary and installed permanently. Furthermore, it must be connected permanently to the power supply.

The earth connection must be permanent.

Warning

Never make any connections in the Hydro Micro-E breaker box or in the terminal box of each individual pump unless the power supply has been switched off for at least 5 minutes.

Warning

Hydro Micro-E must be earthed and protected against indirect contact in accordance with local regulations.

Note

When an earth leakage circuit breaker or ground fault circuit interrupter is selected, the total leakage current of all the electrical equipment in the installation must be taken into account.

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6.4 Dry-running protection

Dry-running protection is achieved via a level switch fitted in a water tank.

The dry-running protection must be connected to terminals 3 and 10 in both pumps.

Fig. 7 Level switch connected to each pump

7. Startup

When you have carried out the mechanical and electrical installation described in section 6. Installation, proceed as follows:

1. Check that Hydro Micro-E corresponds to order and that no parts have been damaged.

2. Switch the main switch to off.

3. Switch the circuit breakers of all pumps to off.

4. Check that the precharge pressure in the diaphragm tank is 0.7 times the required discharge pressure (setpoint).

5. Connect water and power supplies to the system.

6. Open all pump suction and discharge valves.

7. Vent all pumps by means of the air vent screws.

Fig. 8 Position of air vent screws in systems with CME pumps

8. Switch the main switch to on.

9. Start pump 1 by switching the circuit breaker to on.

10. Vent pump 1 by means of the air vent screw.

11. Repeat steps 9 and 10 for the other pumps in the system.

12. Set the desired discharge pressure.

13. Check that the pumps are cutting in and out, thus adjusting the performance to the demand.

Hydro Micro-E is now in automatic mode and ready for operation.

Note Protect Hydro Micro-E against dry running.

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Pump 1

Pump 2

3: GND (frame)

10: Digital input

3: GND (frame)

10: Digital input

Caution Do not start the pumps until they have been filled with liquid.

Warning

When pumping hot liquids, ensure that persons cannot accidentally come into contact with hot surfaces of the product.

Caution Hydro Micro-E systems require a positive inlet pressure during startup and operation.

NoteMeasure the precharge pressure while the system is pressureless.

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NoteIf you change the discharge pressure, you must change the diaphragm tank precharge pressure accordingly.

Air vent screws

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8. Operating modes

Hydro Micro-E booster systems have the following operating modes:

• Stop All pumps stopped.

• Normal (factory setting)One or more pumps are operating to maintain the set pressure.

• Max.All pumps running at maximum speed.

The operating modes can be selected on the operating panel, with Grundfos GO or via bus.

8.1 Normal operation

Fig. 9 Hydro Micro-E in normal operation, i.e. constant-pressure mode

In constant-pressure mode, Hydro Micro-E adjusts its performance to the desired setpoint.

8.2 Stop or max. operation

In addition to normal operating mode, you can select the operating modes "Stop" or "Max.". See the example in fig. 10.

Fig. 10 Hydro Micro-E in operating mode "Max."

Max. operation can for instance be used in connection with the venting and startup procedures.

8.3 Operating condition in case of disconnection of power supply

If the power supply to Hydro Micro-E is disconnected, the settings will be stored. Hydro Micro-E will restart in the same operating condition as it was in before the disconnection.

8.4 Further settings

You can make further settings with Grundfos GO. See section 10. Grundfos GO.

9. User interfaces

Settings can be made by means of the following user interfaces:

• Standard operating panel.See section 9.1 Standard operating panel.

• Grundfos GO.See section 10. Grundfos GO.

If the power supply is switched off, the settings will be stored.

9.1 Standard operating panel

Fig. 11 Standard operating panel

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Max.

Warning

The product may be so hot that only the buttons should be touched to avoid burns.

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Pos. Symbol Description

1

Grundfos EyeShows the operating status of the individual pump. See section 15. Grundfos Eye for further information.

2 - Light fields for indication of setpoint.

3Changes the setpoint and resets alarms and warnings.

4Enables radio communication with Grundfos GO and other products of the same type.

5

Makes the pump ready for operation/starts and stops the pump. Start: If the button is pressed when the pump is stopped, the pump will only start if no other functions with higher priority have been enabled. See section 14. Priority of settings.Stop: If the button is pressed when the pump is running, the pump will always be stopped. When the pump is stopped via this button, the "Stop" text next to the button will illuminate.

1

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5Stop

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9.1.1 Setpoint setting

Set the desired setpoint by pressing or . The setpoint can be set on any of the pumps in the system and applies to the complete booster system.

The light fields on the operating panel will indicate the setpoint set.

Pump in constant-pressure control mode

The following example applies to a pump in an application where a pressure sensor gives a feedback to the pump. If the sensor is retrofitted to the pump, it must be set up manually as the pump does not automatically register a connected sensor.

Figure 12 shows that the light fields 5 and 6 are activated, indicating a desired setpoint of 3 bar with a sensor measuring range from 0 to 6 bar. The setting range is equal to the sensor measuring range.

Fig. 12 Setpoint set to 3 bar, constant-pressure control mode

Pump in constant-curve control mode

In constant-curve control mode, the pump performance will lie between the max. and min. curve of the pump. See fig. 13.

Fig. 13 Pump in constant-curve control mode

Setting to max. curve:

• Press continuously to change over to the max. curve of the pump (top light field flashes). When the top light field is on, press for 3 seconds until the light field starts flashing.

• To change back, press continuously until the desired setpoint is indicated.

Example: Pump set to max. curve.

Figure 14 shows that the top light field is flashing, indicating max. curve.

Fig. 14 Max. curve duty

Setting to min. curve:

• Press continuously to change over to the min. curve of the pump (bottom light field flashes). When the bottom light field is on, press for 3 seconds until the light field starts flashing.

• To change back, press continuously until the desired setpoint is indicated.

Example: Pump set to min. curve.

Figure 15 shows that the bottom light field is flashing, indicating min. curve.

Fig. 15 Min. curve duty

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9.1.2 Start/stop the system

Start each pump by pressing or by continuously pressing until the desired setpoint is indicated.

Stop the system by pressing on each pump. When the pump is stopped, the "Stop" text next to the button will illuminate. Each pump can also be stopped by continuously pressing until none of the light fields are on.

If a pump has been stopped by pressing , it can only be set free to operation by pressing again.

If a pump has been stopped by pressing , it can only be restarted by pressing .

The pump can also be stopped with Grundfos GO or via a digital input set to "External stop". See section 14. Priority of settings.

9.1.3 Resetting of fault indications

A fault indication can be reset in one of the following ways:

• via the digital input if it has been set to "Alarm resetting"

• by briefly pressing or on one of the pumps. This will not change the setpoint.A fault indication cannot be reset by pressing or if the buttons have been locked.

• by switching off the power supply until the indicator lights are off

• by switching the external start/stop input off and then on again

• via Grundfos GO.

10. Grundfos GOThe booster system is designed for wireless radio or infrared communication with Grundfos GO.

Grundfos GO enables setting of functions and gives access to status overviews, technical product information and actual operating parameters.

Grundfos GO offers three different mobile interfaces (MI). See fig. 16.

Fig. 16 Grundfos GO communicating with the pump via radio or infrared light

10.1 Communication

When Grundfos GO communicates with the pump, the indicator light in the middle of the Grundfos Eye will flash green. See section 15. Grundfos Eye.

Communication must be established using one of these communication types:

• radio communication

• infrared communication.

10.1.1 Radio communication

Radio communication can take place at distances up to 30 m. Enable communication by pressing or on the pump operating panel.

10.1.2 Infrared communication

When communicating via infrared light, Grundfos GO must be pointed at the pump operating panel.

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1Grundfos MI 201:Consists of an Apple iPod touch 4G and a Grundfos cover.

2

Grundfos MI 202:Add-on module which can be used in conjunction with Apple iPod touch 4G, iPhone 4G or 4GS.

Grundfos MI 204:Add-on module which can be used in conjunction with Apple iPod touch 5G or iPhone 5.

3

Grundfos MI 301:Separate module enabling radio or infrared communication. The module can be used in conjunction with an Android or iOS-based smartphone with Bluetooth connection.

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10.2 Menu overview for Grundfos GO

10.2.1 Main menus

Menu/function available for system Menu/function available for pump

Dashboard ● ●

Status ● ●

Settings ● ●

Setpoint ●

Operating mode ●

Control mode ●

Pipe filling function ●

Buttons on product ●

LiqTec ●

Stop function ●

Controller ●

Operating range ●

Ramps ●

Pump number ●

Radio communication ●

Analog input 1 ●

Analog input 2 ●

Digital input 1 ●

Digital input 2 ●

Signal relay 1 ●

Signal relay 2 ●

Limit 1 exceeded ●

Limit 2 exceeded ●

Standstill heating ●

Motor bearing monitoring ●

Service ●

Date and time ●

Store settings ●

Recall settings ●

Undo ●

Pump name ●

Unit configuration ●

Alarms and warnings ●

Assist ●

Product information ●

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11. Multi-master function

11.1 Systems with one discharge-pressure sensor

To enable the system to deliver a constant pressure, a discharge-pressure sensor must be connected to and configured on at least one of the pumps. The pump with this sensor will function as master pump and control the system.

If the master pump is switched off or stopped due to an alarm, the other pumps in the system will stop.

If it is not possible to remove the cause of the alarm on the master pump, another pump can function as master pump. Connect the discharge-pressure sensor to one of the other pumps and configure it with Grundfos GO. The system can now be restarted.

11.2 Systems with two or more discharge-pressure sensors

If two or more pumps in the system are configured with discharge-pressure sensors, they can all function as master pump. As standard, the pump with the lowest number will be the master pump. From factory, the master pump is marked with number 1.

If master pump 1 is switched off or stopped due to an alarm, one of the other master pumps will automatically take over the control of the system.

12. Protective functionsIt is important that any protective function, for example dry-running protection or external start/stop that is detected via a digital input, is connected to and configured on all the pumps with a discharge-pressure sensor.

If an additional sensor is used, for example for the limit-exceeded function or setpoint influence, this sensor must also be connected to all pumps with a discharge-pressure sensor. Alternatively, an additional sensor per pump with discharge-pressure sensor can be installed.

12.1 Dry-running protection

Dry-running protection is achieved via a level switch fitted in a water tank. See section 6.4 Dry-running protection.

12.2 Level switch

The system can be fitted with a level switch, either from factory or after delivery. The level switch can for instance monitor the water level in a tank connected to the suction manifold and be connected to one of the digital inputs. See section 6.4 Dry-running protection

Furthermore, the digital input must be configured with a Grundfos GO to detect dry running.

The system must be restarted manually if it has been stopped due to dry running.

13. Bus signal Bus communication is enabled via an RS-485 input.

The communication is carried out according to the Grundfos GENIbus protocol and enables connection to a building management system or another external control system.

Via a bus signal, it is possible to remote-set motor operating parameters, such as setpoint and operating mode. At the same time, the motor can, via the bus, provide status information about important parameters, such as actual value of control parameter, input power and fault indications.

Contact Grundfos for further information.

NoteHydro Micro-E must be protected against dry running.

NoteIf a bus signal is used, the number of settings available via Grundfos GO will be reduced.

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14. Priority of settingsThe system can always be set to operation at maximum speed or to stop with Grundfos GO.

If two or more functions are enabled at the same time, the system will operate according to the function with the highest priority.

Example: If, via the digital input, the system has been set to maximum speed, the system can only be set to "Manual" or "Stop" via the pump operating panel or Grundfos GO.

The priority of the settings appears from the table below:

* If the bus communication is interrupted, the system will resume its previous operating mode, for example "Stop", selected on the operating panel of the pump running as master or with Grundfos GO.

Priority Start/stop buttonOperating panel on pump or

Grundfos GODigital input Bus communication

1 Stop

2 Stop*

3 Manual

4 Max. speed*

5 Stop

6 Stop

7 Max. speed

8 Min. speed

9 Start

10 Max. speed

11 Min. speed

12 Min. speed

13 Start

14 Start

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15. Grundfos Eye

The operating condition of Hydro Micro-E is indicated by the Grundfos Eye on the pump operating panel. See fig. 17, pos. A.

Fig. 17 Grundfos Eye

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Grundfos Eye Indication Description

No lights on.Power off.Motor not running.

Two opposite green indicator lights rotating in the direction of rotation of the motor when seen from the non-drive end.

Power on.Motor running.

Two opposite green indicator lights permanently on.

Power on.Motor not running.

One yellow indicator light rotating in the direction of rotation of the motor when seen from the non-drive end.

Warning.Motor running.

One yellow indicator light permanently on.Warning.Motor stopped.

Two opposite red indicator lights flashing simultaneously.

Alarm.Motor stopped.

The green indicator light in the middle flashing quickly four times.

Remote control with Grundfos GO via radio.The motor is trying to communicate with Grundfos GO. The motor in question is highlighted in the Grundfos GO display to inform the user of the location of the motor.

The green indicator light in the middle flashing continuously.

When the motor in question is selected in the Grundfos GO menu, the green indicator light in the middle will be flashing continuously. Press on the pump operating panel to allow remote control and data exchange via Grundfos GO.

The green indicator light in the middle permanently on. Remote control with Grundfos GO via radio.

The motor is communicating with Grundfos GO via radio connection.

The green indicator light in the middle flashing quickly while Grundfos GO is exchanging data with the motor. It will take a few seconds.

Remote control with Grundfos GO via infrared light.The motor is receiving data from Grundfos GO via infrared communication.

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16. Signal relaysThe motor has two outputs for potential-free signals via two internal relays.

The signal outputs can be set to "Operation", "Running", "Ready", "Alarm" and "Warning".

The functions of the two signal relays appear from the table below:

Description Grundfos EyeContact position for signal relays when activated Operating

modeOperation Running Ready Alarm Warning

Power off.

Off

-

Pump running in "Normal" mode.

Green, rotating

Normal, Min. or Max.

Pump running in "Manual" mode.

Green, rotating

Manual

Pump in operating mode "Stop".

Green, steady

Stop

Warning, but the pump is running.

Yellow, rotating

Normal, Min. or Max.

Warning, but the pump is running in "Manual" mode.

Yellow, rotating

Manual

Warning, but the pump was stopped via "Stop" command.

Yellow, steady

Stop

Alarm, but the pump is running.

Red, rotating

Normal, Min. or Max.

Alarm, but the pump is running in "Manual" mode.

Red, rotating

Manual

Pump stopped due to an alarm.

Red, flashing

Stop

NCNOC NCNOC NCNOC NCNOC NCNOC

C NO NC C NO NC C NO NC NCNOC NCNOC

C NO NC C NO NC NCNOC NCNOC NCNOC

NCNOC NCNOC C NO NC NCNOC NCNOC

C NO NC C NO NC C NO NC NCNOC C NO NC

C NO NC C NO NC NCNOC NCNOC C NO NC

NCNOC NCNOC C NO NC NCNOC C NO NC

C NO NC C NO NC NCNOC C NO NC NCNOC

C NO NC C NO NC NCNOC C NO NC NCNOC

NCNOC NCNOC NCNOC C NO NC NCNOC

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17. Digital input

Hydro Micro-E has a digital input for external fault. The input has been factory-set to external fault and the input is a normally-open contact.

Functional diagram: input for digital function

If the digital input is active for more than 10 seconds, Hydro Micro-E will stop because of an external fault.

The digital input is used for the dry-running protection.

18. Data communicationIt is possible to connect the system to an external network. The connection can be made via a GENIbus-based network or a network based on another fieldbus protocol.

The system can communicate via CIM modules. This enables the system to communicate with different types of network solutions.

A CIM module is an add-on communication interface module. The CIM module enables data transmission between the pump and an external system, for example a BMS or SCADA system.

For further information on CIM modules, see www.grundfos.com (Grundfos Product Center) or contact Grundfos.

19. Insulation resistance

20. Maintenance

20.1 Pumps

Pump bearings and shaft seals are maintenance-free.

20.2 Motors

Keep motor cooling fins and fan blades clean to ensure sufficient cooling of the motor and electronics.

20.2.1 Motor bearings

The bearings of motors up to and including 1.5 kW are maintenance-free.

20.3 Breaker box

The breaker box is maintenance-free. Keep it clean and dry.

21. ShutdownShut down the system with the mains switch.

To shut down a pump, switch off the circuit breaker of the pump.

21.1 Frost protection

If Hydro Micro-E is not used during periods of frost, the pumps must be drained to avoid damage.

Drain the pump by loosening the air vent screw in the pump housing and removing the drain plug from the base.

Do not tighten the air vent screw and replace the drain plug until the system is to be used again.

21.2 Service kits

See www.grundfos.com (Grundfos Product Center).

Digital function (terminals 1 and 9)

Normal duty

External fault

Caution

Do not measure the insulation resistance of motor windings or an installation incorporating motors with integrated frequency converters using high-voltage megging equipment, as this may damage the built-in electronics.

Q

H

Q

H

10 s

Warning

Before starting work on the product, switch off the power supply for at least 5 minutes. Make sure that the power supply cannot be accidentally switched on.

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22. Fault finding

Warning

Before starting fault finding, switch off the power supply for at least 5 minutes.

Make sure that it cannot be accidentally switched on.

Fault Cause Remedy

1. Hydro Micro-E does not run when started.

a) The actual pressure is higher than or equal to the setpoint set.

Wait until the pressure has dropped, or lower the pressure on the discharge side of Hydro Micro-E, and check that the booster system starts.

b) Power supply disconnected. Connect the power supply.

c) Circuit breakers cut out. Correct the fault and cut in the circuit breakers.

d) Internal motor protection activated. Contact Grundfos.

e) Circuit breaker defective. Replace the circuit breaker.

f) Motor defective. Repair or replace the motor.

g) Pressure transmitter fault.

– Pressure transmitter defective. Replace the pressure transmitter. Transmitters with 0-20 mA or 4-20 mA output signals are monitored by Hydro Micro-E.

– Cable broken or short-circuited. Repair or replace the cable.

2. Hydro Micro-E starts, but stops immediately afterwards. The operating pressure is not reached.

a) Dry running or no inlet pressure. Check the supply of water to Hydro Micro-E. When the inlet pressure has been reestablished, the pumps will restart after 15 seconds.

3. Hydro Micro-E is stopped and cannot restart.

a) Pressure transmitter fault.

– Pressure transmitter defective. Replace the pressure transmitter. Transmitters with 0-20 mA or 4-20 mA output signals are monitored by Hydro Micro-E.

– Cable broken or short-circuited. Repair or replace the cable.

b) Control unit fault.

– Power supply disconnected on pump 1. Connect the power supply.

– Control unit defective. Replace the terminal box of pump 1.Contact Grundfos.

4. Unstable water delivery from Hydro Micro-E (applies only to very low consumption).

a) Inlet pressure too low. Check the suction pipe and possible suction strainer.

b) Suction pipe or pumps partly blocked by impurities.

Clean the suction pipe or pumps.

c) Pumps suck air. Check the suction pipe for leakages.

d) Pressure transmitter defective. Replace the pressure transmitter.

5. Pumps are running, but deliver no water.

a) Suction pipe or pumps blocked by impurities.

Clean the suction pipe or pumps.

b) Non-return valve blocked in closed position.

Clean the non-return valve. The non-return valve must move freely.

c) Suction pipe leaky. Check the suction pipe for leakages.

d) Air in suction pipe or pumps. Vent the pumps. Check the suction pipe for leakages.

6. Hydro Micro-E is unable to reach the setpoint.

a) Cable broken or short-circuited (GENIbus communication between pump 1 and pump 2/3).

Repair or replace the cable.

b) Pump 2 or 3 out of operation. Connect the power supply to the pump and check the pump condition.

7. Leakage from a shaft seal.

a) Shaft seal defective. Replace the shaft seal.

8. Noise. a) The pumps are cavitating. Clean the suction pipe or pumps and possible suction strainer.

9. Very frequent starts and stops.

a) Wrong diaphragm tank precharge pressure.

Check the precharge pressure.

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23. Technical data

23.1 Supply voltage

1 x 230 V - 10 %/+ 10 %, 50/60 Hz, N, PE.

Cable: 0.5 - 1.5 mm2.

See nameplate.

Recommended fuse size

Motor sizes from 0.37 to 1.1 kW: Max. 10 A.

Motor size 1.5 kW: Max. 16 A.

Standard as well as quick-blow or slow-blow fuses may be used.

23.2 Leakage current

< 7 mA.

The leakage currents are measured in accordance with EN 60355-1.

24. Inputs/outputs

Ground reference (GND)

All voltages refer to GND.

All currents return to GND.

Absolute maximum voltage and current limits

Relay 1:

Maximum contact load: 250 VAC, 2 A or 30 VDC, 2 A.

Relay 2:

Maximum contact load: 30 VDC, 2 A.

GENI terminals: -5.5 to 9.0 VDC or < 25 mADC.

Other input/output terminals: -0.5 to 26 VDC or < 15 mADC.

Digital inputs (DI)

Internal pull-up current > 10 mA at Vi = 0 VDC.

Internal pull-up to 5 VDC (currentless for Vi > 5 VDC).

Certain low logic level: Vi < 1.5 VDC.

Certain high logic level: Vi > 3.0 VDC.

Hysteresis: No.

Screened cable: 0.5 - 1.5 mm2 / 28-16 AWG.

Maximum cable length: 500 m.

Open-collector digital outputs (OC)

Current sinking capability: 75 mADC, no current sourcing.

Load types: Resistive or/and inductive.

Low-state output voltage at 75 mADC: Max. 1.2 VDC.

Low-state output voltage at 10 mADC: Max. 0.6 VDC.

Overcurrent protection: Yes.

Screened cable: 0.5 - 1.5 mm2 / 28-16 AWG.

Maximum cable length: 500 m.

Analog inputs (AI)

Voltage signal ranges:

• 0.5 - 3.5 VDC, AL AU.

• 0-5 VDC, AU.

• 0-10 VDC, AU.

Voltage signal: Ri > 100 kΩ at +25 °C.

Leak currents may occur at high operating temperatures. Keep the source impedance low.

Current signal ranges:

• 0-20 mADC, AU.

• 4-20 mADC, AL AU.

Current signal: Ri = 292 Ω.

Current overload protection: Yes. Change to voltage signal.

Measurement tolerance: - 0/+ 3 % of full scale (max.-point coverage).

Screened cable: 0.5 - 1.5 mm2 / 28-16 AWG.

Maximum cable length: 500 m (excl. potentiometer).

Potentiometer connected to +5 V, GND, any AI:

Use maximum 10 kΩ.

Maximum cable length: 100 m.

Analog output (AO)

Current sourcing capability only.

Voltage signal:

• Range: 0-10 VDC.

• Minimum load between AO and GND: 1 kΩ.

• Short-circuit protection: Yes.

Current signal:

• Ranges: 0-20 and 4-20 mADC.

• Maximum load between AO and GND: 500 Ω.

• Open-circuit protection: Yes.

Tolerance: - 0/+ 4 % of full scale (max-point coverage).

Screened cable: 0.5 - 1.5 mm2 / 28-16 AWG.

Maximum cable length: 500 m.

Pt100/1000 inputs (PT)

Temperature range:

• Minimum -30 °C (88 Ω/882 Ω).

• Maximum +180 °C (168 Ω/1685 Ω).

Measurement tolerance: ± 1.5 °C.

Measurement resolution: < 0.3 °C.

Automatic range detection (Pt100 or Pt1000): Yes.

Sensor fault alarm: Yes.

Screened cable: 0.5 - 1.5 mm2 / 28-16 AWG.

Use Pt100 for short wires.

Use Pt1000 for long wires.

LiqTec sensor inputs

Use Grundfos LiqTec sensor only.

Screened cable: 0.5 - 1.5 mm2 / 28-16 AWG.

Grundfos digital sensor input and output (GDS)

Use Grundfos digital sensor only.

Caution Exceeding the following electrical limits may result in severely reduced operating reliability and motor life.

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Power supplies (+5 V, +24 V)

+5 V:

• Output voltage: 5 VDC - 5 %/+ 5 %.

• Maximum current: 50 mADC (sourcing only).

• Overload protection: Yes.

+24 V:

• Output voltage: 24 VDC - 5 %/+ 5 %.

• Maximum current: 60 mADC (sourcing only).

• Overload protection: Yes.

Digital outputs (relays)

Potential-free changeover contacts.

Minimum contact load when in use: 5 VDC, 10 mA.

Screened cable: 0.5 - 2.5 mm2 / 28-12 AWG.

Maximum cable length: 500 m.

Bus input

Grundfos GENIbus protocol, RS-485.

Screened 3-core cable: 0.5 - 1.5 mm2 / 28-16 AWG.

Maximum cable length: 500 m.

24.1 Other technical data

EMC (electromagnetic compatibility)

According to EN 61000-6-2:2005 and 61000-6-3:2007.

Residential areas, unlimited distribution, corresponding to CISPR 11, class B, group 1.

Industrial areas, unlimited distribution, corresponding to CISPR 11, class A, group 1.

Contact Grundfos for further information.

Enclosure class

Standard: IP55 (IEC 34-5).

Insulation class

F (IEC 85).

Ambient temperature

• During operation: 0 to +40 °C.

• During storage/transport: -40 to +60 °C.

Sound pressure level

25. DisposalThis product or parts of it must be disposed of in an environmentally sound way:

1. Use the public or private waste collection service.

2. If this is not possible, contact the nearest Grundfos company or service workshop.

Subject to alterations.

Motor size[kW]

Sound pressure level[dB(A)]

0.37 - 1.1 60

1.5 66

22

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ix

23

Appendix 1

NPSH Vapour pressure

TM

05

20

04

42

11

TM

00

30

37

34

93

TM

05

20

05

42

11T

M0

5 2

00

6 4

211

0 1 2 3 4 5 6 7 Q [m³/h]

0

2

4

6

8

10

H[m]

0.0 0.5 1.0 1.5 2.0 Q [l/s]

0

20

40

60

80

100

p[kPa]

50 Hz

60 Hz

CME-A 5

20

15

1210

8,0

6,05,0

4,0

3,0

2,0

1,00,8

0,6

0,40,3

0,2

0,1

1,5

120

110

90

100

80

70

60

50

40

30

20

10

0

Hv(m)

tm(°C)

150

130

140

25

35

4540

30

0 2 4 6 8 10 12 14 16 Q [m³/h]

0

2

4

6

8

10

12

14

H[m]

0 1 2 3 4 Q [l/s]

0

20

40

60

80

100

120

p[kPa]

50 Hz

60 Hz

CME-A 10

0 2 4 6 8 10 12 14 16 18 20 22 24 Q [m³/h]

0

2

4

6

8

10

12

H[m]

0 1 2 3 4 5 6 7 Q [l/s]

0

20

40

60

80

100

120

p[kPa]

50 Hz

60 Hz

CME-A 15

De

cla

ratio

n o

f co

nfo

rmity

24

Declaration of conformity 2

GB: EC/EU declaration of conformityWe, Grundfos, declare under our sole responsibility that the product Hydro Micro-E, to which the declaration below relates, is in conformity with the Council Directives listed below on the approximation of the laws of the EC/EU member states.Note: There are two sets of Council Directives and standards listed below. One set applies until and including 19th April 2016. The other set applies from 20th April 2016 and onwards.

These Directives and standards apply until and including 19th April 2016:— Machinery Directive (2006/42/EC).

Standards used: EN 809:1998 EN 60204-1:2006.

— EMC Directive (2004/108/EC).Standards used: EN 61000-6-2:2005EN 61000-6-3:2007.

These Directives and standards apply from 20th April 2016 and onwards:— Machinery Directive (2006/42/EC).

Standards used: EN 809:1998 EN 60204-1:2006.

— EMC Directive (2014/35/EU).Standards used: EN 61000-6-2:2005EN 61000-6-3:2007.

This EC declaration of conformity is only valid when published as part of the Grundfos installation and operating instructions (publication number 98810621 1115).

Sunderland, 10th November 2015

John AustinEngineering Manager

Grundfos Manufacturing Ltd.Ferryboat Lane

SR5 3JL Castletown Sunderland Great Britain

Person authorised to compile technical file and empowered to sign the EC declaration of conformity.

25

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ArgentinaBombas GRUNDFOS de Argentina S.A.Ruta Panamericana km. 37.500 Centro Industrial Garin1619 Garín Pcia. de B.A.Phone: +54-3327 414 444Telefax: +54-3327 45 3190

AustraliaGRUNDFOS Pumps Pty. Ltd. P.O. Box 2040 Regency Park South Australia 5942 Phone: +61-8-8461-4611 Telefax: +61-8-8340 0155

AustriaGRUNDFOS Pumpen Vertrieb Ges.m.b.H.Grundfosstraße 2 A-5082 Grödig/Salzburg Tel.: +43-6246-883-0 Telefax: +43-6246-883-30

BelgiumN.V. GRUNDFOS Bellux S.A. Boomsesteenweg 81-83 B-2630 Aartselaar Tél.: +32-3-870 7300 Télécopie: +32-3-870 7301

BelarusПредставительство ГРУНДФОС в Минске220125, Минскул. Шафарнянская, 11, оф. 56, БЦ «Порт»Тел.: +7 (375 17) 286 39 72/73Факс: +7 (375 17) 286 39 71E-mail: minsk@grundfos.com

Bosna and HerzegovinaGRUNDFOS SarajevoZmaja od Bosne 7-7A,BH-71000 SarajevoPhone: +387 33 592 480Telefax: +387 33 590 465www.ba.grundfos.come-mail: grundfos@bih.net.ba

BrazilBOMBAS GRUNDFOS DO BRASILAv. Humberto de Alencar Castelo Branco, 630CEP 09850 - 300São Bernardo do Campo - SPPhone: +55-11 4393 5533Telefax: +55-11 4343 5015

BulgariaGrundfos Bulgaria EOODSlatina DistrictIztochna Tangenta street no. 100BG - 1592 SofiaTel. +359 2 49 22 200Fax. +359 2 49 22 201email: bulgaria@grundfos.bg

CanadaGRUNDFOS Canada Inc. 2941 Brighton Road Oakville, Ontario L6H 6C9 Phone: +1-905 829 9533 Telefax: +1-905 829 9512

ChinaGRUNDFOS Pumps (Shanghai) Co. Ltd.10F The Hub, No. 33 Suhong RoadMinhang DistrictShanghai 201106PRCPhone: +86 21 612 252 22Telefax: +86 21 612 253 33

CroatiaGRUNDFOS CROATIA d.o.o.Buzinski prilaz 38, BuzinHR-10010 ZagrebPhone: +385 1 6595 400 Telefax: +385 1 6595 499www.hr.grundfos.com

Czech RepublicGRUNDFOS s.r.o.Čajkovského 21779 00 OlomoucPhone: +420-585-716 111Telefax: +420-585-716 299

DenmarkGRUNDFOS DK A/S Martin Bachs Vej 3 DK-8850 Bjerringbro Tlf.: +45-87 50 50 50 Telefax: +45-87 50 51 51 E-mail: info_GDK@grundfos.comwww.grundfos.com/DK

EstoniaGRUNDFOS Pumps Eesti OÜPeterburi tee 92G11415 TallinnTel: + 372 606 1690Fax: + 372 606 1691

FinlandOY GRUNDFOS Pumput AB Trukkikuja 1 FI-01360 Vantaa Phone: +358-(0) 207 889 500Telefax: +358-(0) 207 889 550

FrancePompes GRUNDFOS Distribution S.A. Parc d’Activités de Chesnes 57, rue de Malacombe F-38290 St. Quentin Fallavier (Lyon) Tél.: +33-4 74 82 15 15 Télécopie: +33-4 74 94 10 51

GermanyGRUNDFOS GMBHSchlüterstr. 3340699 ErkrathTel.: +49-(0) 211 929 69-0 Telefax: +49-(0) 211 929 69-3799e-mail: infoservice@grundfos.deService in Deutschland:e-mail: kundendienst@grundfos.de

GreeceGRUNDFOS Hellas A.E.B.E. 20th km. Athinon-Markopoulou Av. P.O. Box 71 GR-19002 Peania Phone: +0030-210-66 83 400 Telefax: +0030-210-66 46 273

Hong KongGRUNDFOS Pumps (Hong Kong) Ltd. Unit 1, Ground floor Siu Wai Industrial Centre 29-33 Wing Hong Street & 68 King Lam Street, Cheung Sha Wan Kowloon Phone: +852-27861706 / 27861741 Telefax: +852-27858664

HungaryGRUNDFOS Hungária Kft.Park u. 8H-2045 Törökbálint, Phone: +36-23 511 110Telefax: +36-23 511 111

IndiaGRUNDFOS Pumps India Private Limited118 Old Mahabalipuram RoadThoraipakkamChennai 600 096Phone: +91-44 2496 6800

IndonesiaPT. GRUNDFOS POMPAGraha Intirub Lt. 2 & 3Jln. Cililitan Besar No.454. Makasar, Jakarta TimurID-Jakarta 13650Phone: +62 21-469-51900Telefax: +62 21-460 6910 / 460 6901

IrelandGRUNDFOS (Ireland) Ltd. Unit A, Merrywell Business ParkBallymount Road LowerDublin 12 Phone: +353-1-4089 800 Telefax: +353-1-4089 830

ItalyGRUNDFOS Pompe Italia S.r.l. Via Gran Sasso 4I-20060 Truccazzano (Milano)Tel.: +39-02-95838112 Telefax: +39-02-95309290 / 95838461

JapanGRUNDFOS Pumps K.K.Gotanda Metalion Bldg., 5F, 5-21-15, Higashi-gotandaShiagawa-ku, Tokyo141-0022 JapanPhone: +81 35 448 1391Telefax: +81 35 448 9619

KoreaGRUNDFOS Pumps Korea Ltd.6th Floor, Aju Building 679-5Yeoksam-dong, Kangnam-ku, 135-916Seoul, KoreaPhone: +82-2-5317 600Telefax: +82-2-5633 725

LatviaSIA GRUNDFOS Pumps Latvia Deglava biznesa centrsAugusta Deglava ielā 60, LV-1035, Rīga,Tālr.: + 371 714 9640, 7 149 641Fakss: + 371 914 9646

LithuaniaGRUNDFOS Pumps UABSmolensko g. 6LT-03201 VilniusTel: + 370 52 395 430Fax: + 370 52 395 431

MalaysiaGRUNDFOS Pumps Sdn. Bhd.7 Jalan Peguam U1/25Glenmarie Industrial Park40150 Shah AlamSelangor Phone: +60-3-5569 2922Telefax: +60-3-5569 2866

MexicoBombas GRUNDFOS de México S.A. de C.V. Boulevard TLC No. 15Parque Industrial Stiva AeropuertoApodaca, N.L. 66600Phone: +52-81-8144 4000 Telefax: +52-81-8144 4010

NetherlandsGRUNDFOS NetherlandsVeluwezoom 351326 AE AlmerePostbus 220151302 CA ALMERE Tel.: +31-88-478 6336 Telefax: +31-88-478 6332E-mail: info_gnl@grundfos.com

New ZealandGRUNDFOS Pumps NZ Ltd.17 Beatrice Tinsley CrescentNorth Harbour Industrial EstateAlbany, AucklandPhone: +64-9-415 3240Telefax: +64-9-415 3250

NorwayGRUNDFOS Pumper A/S Strømsveien 344 Postboks 235, Leirdal N-1011 Oslo Tlf.: +47-22 90 47 00 Telefax: +47-22 32 21 50

PolandGRUNDFOS Pompy Sp. z o.o.ul. Klonowa 23Baranowo k. PoznaniaPL-62-081 PrzeźmierowoTel: (+48-61) 650 13 00Fax: (+48-61) 650 13 50

PortugalBombas GRUNDFOS Portugal, S.A. Rua Calvet de Magalhães, 241Apartado 1079P-2770-153 Paço de ArcosTel.: +351-21-440 76 00Telefax: +351-21-440 76 90

RomaniaGRUNDFOS Pompe România SRLBd. Biruintei, nr 103 Pantelimon county IlfovPhone: +40 21 200 4100Telefax: +40 21 200 4101E-mail: romania@grundfos.ro

RussiaООО Грундфос Россия109544, г. Москва, ул. Школьная, 39-41, стр. 1Тел. (+7) 495 564-88-00 (495) 737-30-00Факс (+7) 495 564 88 11E-mail grundfos.moscow@grundfos.com

Serbia Grundfos Srbija d.o.o.Omladinskih brigada 90b11070 Novi Beograd Phone: +381 11 2258 740Telefax: +381 11 2281 769www.rs.grundfos.com

SingaporeGRUNDFOS (Singapore) Pte. Ltd.25 Jalan Tukang Singapore 619264 Phone: +65-6681 9688 Telefax: +65-6681 9689

SlovakiaGRUNDFOS s.r.o.Prievozská 4D 821 09 BRATISLAVA Phona: +421 2 5020 1426sk.grundfos.com

SloveniaGRUNDFOS d.o.o.Šlandrova 8b, SI-1231 Ljubljana-ČrnučePhone: +386 31 718 808Telefax: +386 (0)1 5680 619E-mail: slovenia@grundfos.si

South AfricaGRUNDFOS (PTY) LTDCorner Mountjoy and George Allen RoadsWilbart Ext. 2Bedfordview 2008Phone: (+27) 11 579 4800Fax: (+27) 11 455 6066E-mail: lsmart@grundfos.com

SpainBombas GRUNDFOS España S.A. Camino de la Fuentecilla, s/n E-28110 Algete (Madrid) Tel.: +34-91-848 8800 Telefax: +34-91-628 0465

SwedenGRUNDFOS AB Box 333 (Lunnagårdsgatan 6) 431 24 Mölndal Tel.: +46 31 332 23 000Telefax: +46 31 331 94 60

SwitzerlandGRUNDFOS Pumpen AG Bruggacherstrasse 10 CH-8117 Fällanden/ZH Tel.: +41-44-806 8111 Telefax: +41-44-806 8115

TaiwanGRUNDFOS Pumps (Taiwan) Ltd. 7 Floor, 219 Min-Chuan Road Taichung, Taiwan, R.O.C. Phone: +886-4-2305 0868Telefax: +886-4-2305 0878

ThailandGRUNDFOS (Thailand) Ltd. 92 Chaloem Phrakiat Rama 9 Road,Dokmai, Pravej, Bangkok 10250Phone: +66-2-725 8999Telefax: +66-2-725 8998

TurkeyGRUNDFOS POMPA San. ve Tic. Ltd. Sti.Gebze Organize Sanayi Bölgesi Ihsan dede Caddesi,2. yol 200. Sokak No. 20441490 Gebze/ KocaeliPhone: +90 - 262-679 7979Telefax: +90 - 262-679 7905E-mail: satis@grundfos.com

UkraineБізнес Центр ЄвропаСтоличне шосе, 103м. Київ, 03131, Україна Телефон: (+38 044) 237 04 00 Факс.: (+38 044) 237 04 01E-mail: ukraine@grundfos.com

United Arab EmiratesGRUNDFOS Gulf DistributionP.O. Box 16768Jebel Ali Free ZoneDubaiPhone: +971 4 8815 166Telefax: +971 4 8815 136

United KingdomGRUNDFOS Pumps Ltd. Grovebury Road Leighton Buzzard/Beds. LU7 4TL Phone: +44-1525-850000 Telefax: +44-1525-850011

U.S.A.GRUNDFOS Pumps Corporation 17100 West 118th TerraceOlathe, Kansas 66061Phone: +1-913-227-3400 Telefax: +1-913-227-3500

UzbekistanGrundfos Tashkent, Uzbekistan The Repre-sentative Office of Grundfos Kazakhstan in Uzbekistan38a, Oybek street, TashkentТелефон: (+998) 71 150 3290 / 71 150 3291Факс: (+998) 71 150 3292

Addresses Revised 29.09.2015

98810621 1115

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