Grundfos PM 1, Инструкция по установке и эксплуатации, Страница: 2 / 14

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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
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.
TM0
3
970
6 170
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