Grundfos PM 1 Bedienungsanleitung

PM 1

Installation and operating instructions

GRUNDFOS INSTRUCTIONS

Table of contents

PM 1

English (GB)

Installation and operating instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Čeština (CZ)

Montážní a provozní návod. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Deutsch (DE)

Montage- und Betriebsanleitung . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Dansk (DK)

Monterings- og driftsinstruktion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Español (ES)

Instrucciones de instalación y funcionamiento . . . . . . . . . . . . . . . . . . . . . . . . . 38

Suomi (FI)

Asennus- ja käyttöohjeet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Français (FR)

Notice d'installation et de fonctionnement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Ελληνικά (GR)

Οδηγίες εγκατάστασης και λειτουργίας . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Magyar (HU)

Telepítési és üzemeltetési utasítás. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Italiano (IT)

Istruzioni di installazione e funzionamento . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Nederlands (NL)

Installatie- en bedieningsinstructies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Polski (PL)

Instrukcja montażu i eksploatacji . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

Português (PT)

Instruções de instalação e funcionamento . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

Română(RO)

Instrucţiuni de instalare şi utilizare . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

Русский (RU)

Руководство по монтажу иэксплуатации . . . . . . . . . . . . . . . . . . . . . . . . . . 118

Svenska (SE)

Monterings- och driftsinstruktion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126

Slovenčina (SK)

Návod na montáž a prevádzku . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

Türkçe (TR)

Montaj ve kullanım kılavuzu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142

Table of contents

PM 1

Appendix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151

Declaration of conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

English (GB)

English (GB) Installation and operating instructions

Original installation and operating instructions.

CONTENTS

Page

1. Symbols used in this document

2. Applications

The Grundfos PM 1 is designed for automatic start/

stop control of Grundfos pumps and other pumps for

water supply.

Typical applications are water supply systems and

rainwater systems in

• single-family houses

• blocks of flats

• summer houses and holiday cottages

• horticulture and gardening

• agriculture.

2.1 Liquids

Clean, thin, non-aggressive and non-explosive

liquids without solid particles or fibres that may

attack the unit mechanically or chemically.

Examples:

• drinking water

• rainwater.

2.2 Liquid temperature

0 °C - see nameplate.

2.3 Operating pressure

Max. 10 bar.

3. Installation

Install the unit on the discharge side of the pump.

See fig. 2.

If pumping from a well, borehole or similar, always fit

a non-return valve on the suction pipe of the pump.

It is recommended to connect the unit to the piping

system using unions.

The outlet connection of the unit can be rotated

360 °. See fig. 1.

The inlet connection is an integrated part of the unit

housing.

The unit has a built-in non-return valve.

Fig. 1 Rotary outlet connection

1. Symbols used in this document 5

2. Applications 5

2.1 Liquids 5

2.2 Liquid temperature 5

2.3 Operating pressure 5

3. Installation 5

3.1 Location 6

4. Electrical connection 7

4.1 Connecting units with cable and plug fitted 7

4.2 Connecting units with no cable and plug

fitted 7

4.3 Alternative power supply 7

5. Control panel 7

6. Start-up 8

7. Operation 8

7.1 Normal operation 8

7.2 Power supply failure 8

8. Functions 9

8.1 Anti-cycling 9

8.2 Dry-running protection 9

9. Frost protection 9

10. List of alarms 10

11. Technical data 10

12. Fault finding chart 11

13. Further product information 12

14. Disposal 12

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!

Caution

If these safety instructions are not

observed, it may result in malfunction or

damage to the equipment!

Note

Notes or instructions that make the job

easier and ensure safe operation.

TM03 9706 1708

English (GB)

3.1 Location

The installation location must be clean and well

ventilated.

The PM 1 must be positioned so that it is protected

from rain and direct sunlight.

Fig. 2 Installation example

The unit can be fitted directly to the pump discharge

port or between the pump and the first tapping point.

Pos. A in fig. 2:

It is recommended to install the unit so that the

height between the unit and the highest tapping point

does not exceed:

1.5 bar variant: 10 metres

2.2 bar variant: 17 metres.

Pos. B in fig. 2:

To achieve correct operation, the pump should at

least be able to provide the following head:

1.5 bar variant: 24 metres

2.2 bar variant: 31 metres.

Pos. C in fig. 2:

The unit should be installed so that the control panel

is visible and easily accessible. Ensure that the inlet

and outlet are connected correctly.

Fig. 3 Mounting positions

Pos. D in fig 2:

No taps must be installed between the pump and the

unit.

TM03 9364 4007

Caution

To prevent water from entering the unit, do

not install the unit so that the cable

connections are pointing upwards. See fig.

TM04 0335 1708

English (GB)

4. Electrical connection

4.1 Connecting units with cable and plug

fitted

Connect the unit using the supplied cable.

4.2 Connecting units with no cable and

plug fitted

1. Remove the control panel of the unit.

2. Carry out the electrical connection as shown in

fig. 1or 2, page 151, depending on motor type.

3. Fit the control panel securely with all four

mounting screws so that enclosure class IP65 is

maintained.

4.3 Alternative power supply

The PM 1 can be powered by a generator or other

alternative power supplies, provided that the

requirements for the power supply are fulfilled.

See section 11. Technical data.

5. Control panel

Fig. 4 Control panel

Warning

The electrical connection must be carried

out in accordance with local regulations

and standards.

Before making any connections in the unit,

make sure that the power supply has been

switched off and that it cannot be

accidentally switched on.

The unit must be connected to an external

mains switch with a contact gap of at least

3 mm in all poles.

As a precaution, the unit must be

connected to a socket with earth

connection.

It is recommended to fit the permanent

installation with an earth leakage circuit

breaker (ELCB) with a tripping current

< 30 mA.

TM03 9360 1708

Pos. Description Function

1"Poweron"

The green indicator light is

permanently on when the

power supply has been

switched on.

2 "Pump on"

The green indicator light is

permanently on when the

pump is running.

3"Alarm"

The red indicator light is

permanently on or flashes

when the pump has

stopped due to an operating

fault.

See section 12. Fault

finding chart.

4[Reset]

The button is used for

• resetting fault indications

• enabling and disabling of

the anti-cycling function.

See section 8.1 Anti-

cycling.

English (GB)

6. Start-up

1. Open a tap in the system.

2. Switch on the power supply.

3. Check that the "Power on", "Pump on" and

"Alarm" indicator lights illuminate briefly.

– The pump is running, and a pressure will be

built up in the system.

4. Close the tap.

5. Check that the pump stops after a few seconds

and that the "Pump on" indicator light goes out.

The system is now ready for operation.

7. Operation

7.1 Normal operation

When water is consumed in the water supply system,

the PM 1 starts the pump when the starting

conditions of the unit are fulfilled. This happens for

example when a tap is opened which makes the

pressure in the system drop. The unit stops the

pump again when consumption stops, i.e. when the

tap is closed.

7.1.1 Starting and stopping conditions

Starting conditions

The unit starts the pump when at least one of the

following conditions is fulfilled:

• The flow is higher than Qmin..

• The pressure is lower than pstart.

Stopping conditions

The unit stops the pump with a time delay of

10 seconds when the following conditions are both

fulfilled:

• The flow is lower than Qmin..

• The pressure is higher than pstop.

The pstart, pstop and Qmin. values are shown in

section 11. Technical data.

7.2 Power supply failure

In case of a power supply failure, the pump restarts

automatically when power returns and runs for at

least 10 seconds.

The setting of the anti-cycling function will not be

affected by a power supply failure.

Note

If a pressure is not built up in the system

within 5 minutes after start-up, the dry-

running protection will be activated, and

the pump is stopped. Check the priming

conditions of the pump before attempting

to restart the pump.

Restart the pump by pressing [Reset].

Note

If the pump restarts immediately after

it has been stopped, the isolating valve

used for checking for correct operation is

positioned too close to the PM unit.

A possible isolating valve installed

immediately after the PM outlet must not

be used for checking for correct operation.

The problem will be that the pipe length

between the PM unit and the isolating

valve is too short, and therefore the

expansion of the pipe is too small. The

result is that the pressure will drop rapidly

when the pump stops.

English (GB)

8. Functions

8.1 Anti-cycling

If there is a minor leakage in the system, or a tap has

not been closed entirely, the unit will start and stop

the pump periodically. In order to avoid cycling, the

anti-cycling function of the unit will stop the pump

and indicate an alarm.

Default setting: The function is enabled.

Enabling and disabling the function

1. Keep [Reset] pressed for 3 seconds until "Power

on" starts flashing.

2. Select whether the function should be enabled or

disabled. Each press on [Reset] will change

between enabled and disabled.

"Pump on" is off when the function is disabled.

"Pump on" is on when the function is enabled.

3. Keep [Reset] pressed for 3 seconds to return to

operation.

Resetting a cycling alarm

If a cycling alarm has been activated, the pump can

be restarted by pressing [Reset].

8.2 Dry-running protection

The unit incorporates dry-running protection that

automatically stops the pump in case of dry running.

The dry-running protection functions differently

during priming and operation.

8.2.1 Dry running during priming

If the unit detects no pressure and no flow within

5 minutes after it has been connected to a power

supply and the pump has started, the dry-running

alarm is activated.

8.2.2 Dry running during operation

If the unit detects no pressure and no flow within

40 seconds during normal operation, the dry-running

alarm is activated.

8.2.3 Resetting of dry-running alarm

If a dry-running alarm has been activated, the pump

can be restarted manually by pressing [Reset]. If the

unit detects no pressure and no flow within

40 seconds after restarting, the dry-running alarm is

re-activated.

9. Frost protection

If the unit is subjected to frost in periods of inactivity,

the unit and the piping system should be drained

before the unit is taken out of operation.

Fig. 5 Mounting positions making draining

easier

Note

In case of a very small consumption, the

anti-cycling function may detect this as

cycling and stop the pump inadvertently. If

this occurs, the function can be disabled.

Caution

If a dry-running alarm has been activated,

the cause should be found before the

pump is restarted in order to prevent

damage to the pump.

Note

The unit has no draining options, but

mounting the unit in one of the positions

shown in fig. 5makes draining easier.

TM04 5458 3209

English (GB)

10. List of alarms

11. Technical data

*) The start pressure (pstart) depends on the variant. See the nameplate.

The technical data may be limited by the pump data. See installation and operating instructions for the pump.

Indication Alarm Cause

"Alarm" is permanently on. Dry running. The pump has been running without water.

"Alarm" is flashing. Cycling.

The pump is cycling.

Note: Occurs only if the anti-cycling function is

enabled. See section 8.1 Anti-cycling.

Data 230 V model 115 V model

Supply voltage 1 x 220-240 VAC 1 x 110-120 VAC

Maximum inductive contact load 10 A 14 A

Frequency 50/60 Hz

Maximum ambient temperature See nameplate.

Liquid temperature 0 °C - see nameplate.

pstart*) PM 1 - 15 1.5 bar

PM 1 - 22 2.2 bar

Qmin. 1.0 litre/min.

Time delay during stopping 10 seconds

Maximum operating pressure PN 10 / 10 bar / 1 MPa

Enclosure class IP65

Dimensions See fig. 3, page 151

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