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PM 1

Installation and operating instructions

GRUNDFOS INSTRUCTIONS

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 2

2. Applications 2

2.1 Liquids 2

2.2 Liquid temperature 2

2.3 Operating pressure 2

3. Installation 2

3.1 Location 3

4. Electrical connection 4

4.1 Connecting units with cable and plug fitted 4

4.2 Connecting units with no cable and plug

fitted 4

4.3 Alternative power supply 4

5. Control panel 4

6. Start-up 5

7. Operation 5

7.1 Normal operation 5

7.2 Power supply failure 5

8. Functions 6

8.1 Anti-cycling 6

8.2 Dry-running protection 6

9. Frost protection 6

10. List of alarms 7

11. Technical data 7

12. Fault finding chart 8

13. Further product information 9

14. Disposal 9

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

CautionCaution

If these safety instructions are not

observed, it may result in malfunction or

damage to the equipment!

Note

NoteNote

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

CautionCaution

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

Produktspecifikationer

Varumärke:	Grundfos
Kategori:	Inte kategoriserad
Modell:	PM 1
Färg på produkten:	Zwart
Vikt:	593 g
Bredd:	118 mm
Djup:	165.2 mm
Höjd:	25 mm
Plugg typ:	Type N
Förpackningens vikt:	651 g
Förpackningens bredd:	215 mm
Djuppackning:	212 mm
Förpackningshöjd:	53 mm
Användarmanual:	Ja
Husmaterial:	Staal
Nuvarande:	0.6 A
Medföljande kablar:	USB
Typ av seriell anslutning:	RS-232
Certifiering:	CE, FCC, REACH, RoHS, TAA
RS-232 port:	4
Hållbarhetscertifikat:	RoHS
Inspänning:	9 - 36 V
Förvaringstemperatur:	-20 - 100 °C
Internera:	Nee
Medeltid mellan fel (MTBF):	107515 uur
Värdgränssnitt:	USB
Serveroperativsystem som stöds:	Windows Server 2003, Windows Server 2003 x64, Windows Server 2008 R2, Windows Server 2012
Seriell port(ar):	4
Chipset:	Texas Instruments - TIUSB3410
Överföringshastighet:	- Mbit/s
Drifttemperatur (TT):	-10 - 80 °C
Relativ luftfuktighet i drift (VV):	5 - 85 procent
Harmoniserad systemkod (HS):	84719000
Antal portar:	4
FIFO (först in, först ut):	32 B
Utgångsgränssnitt:	Serie
Hub-gränssnitt:	Serie
Baud hastighet:	230.4 Kbit/s