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Grundfos PT - Symbols used in this document; Applications; System sizing; Mechanical installation

Grundfos PT
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English (GB)
2
English (GB) Installation and operating instructions
Original supplement to Quick Guide.
CONTENTS
Page
1. Symbols used in this document
2. Applications
The CM Booster is suitable for pressure boosting of
clean fresh water in domestic water supply systems.
3. System sizing
4. Mechanical installation
Make sure that the pump is not stressed by the
pipework.
1. Symbols used in this document
2
2. Applications
2
3. System sizing
2
4. Mechanical installation
2
5. Electrical connection
3
6. Start-up
3
6.1 Shaft seal run-in
3
7. Adjustment
3
7.1 Calculating the cut-in and cut-out pressures
3
7.2 Adjusting the precharge pressure
3
7.3 Setting the pressure switch
4
8. Operation and maintenance
4
9. Frost protection
4
10. Technical data
4
11. Fault finding
5
12. Disposal
5
Warning
Prior to installation, read this document
and the quick guide. 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.
Warning
The system in which the CM Booster is
incorporated must be designed for the
maximum pump pressure.
Note
The default setting can be found in the
quick guide.
Warning
Before starting any work on the
CM Booster, make sure that the power
supply has been switched off and that it
cannot be accidentally switched on.

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