Grundfos PM Rain, Installation And Operating Instructions Manual

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English (GB)
3
English (GB) Installation and operating instructions
Original installation and operating instructions.
CONTENTS
Page
1. Symbols used in this document
2. Scope of supply
• Grundfos PM Rain unit.
• Grundfos PM Rain unit and SB pump.
• Grundfos PM Rain unit and JP pump.
Supplied with an automatic air release valve
fitted in the priming hole and unions.
1. Symbols used in this document 3
2. Scope of supply
3
3. Applications
4
3.1 Liquids 4
3.2 Temperatures 4
3.3 Operating pressure 4
4. Installation
4
4.1 Connections
4
4.2 Mechanical installation 5
4.3 Location 5
4.4 Pressure settings 6
4.5 Electrical installation
7
4.6 Connecting units with cable and plug
fitted
7
4.7 Alternative power supply 7
5. Control panel 7
5.1 DIP switches 8
5.2 Enabling the DIP switch settings
8
6. Start-up
9
7. Operation 9
7.1 Operating principle 9
7.2 Start/stop according to water
consumption
10
7.3 Start/stop with 1 bar (100 kPa)
differential pressure
10
8. Functions
10
8.1 Anti-cycling 10
8.2 Dry-running protection 10
9. Frost protection 11
10. List of warnings 12
11. Technical data
12
12. Fault finding 13
13. Further product information 14
14. Disposal 14
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
The use of this product requires
experience with and knowledge of the
product.
Persons with reduced physical,
sensory or mental capabilities must not
use this product, unless they are under
supervision or have been instructed in
the use of the product by a person
responsible for their safety.
Children must not use or play with this
product.
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.
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.