Grundfos CM, Installation And Operating Instructions Manual

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English (GB)
5
English (GB) Installation and operating instructions
Original installation and operating instructions
CONTENTS
Page
1. Symbols used in this document
1. Symbols used in this document 5
2. Introduction 6
3. Delivery and handling
6
4. Applications 6
5. Identification 6
5.1 Nameplates for pump 6
5.2 Nameplate for motor
7
6. Mechanical installation
7
6.1 Installation of pump 7
6.2 Pipework 8
6.3 Alternative connection positions 9
6.4 Terminal box positions
9
6.5 Avoiding condensation in the motor
9
7. Electrical installation 10
7.1 Power supply cable 10
7.2 Motor protection 10
7.3 Electrical connection 10
7.4 Frequency converter operation
10
8. Startup 11
8.1 Non-self-priming pumps 11
8.2 Self-priming pumps 11
8.3 Checking the direction of rotation 12
9. Maintenance
12
9.1 Frost protection 12
9.2 Cleaning 12
10. Service 13
11. Technical data 13
11.1 Enclosure class
13
11.2 Sound pressure level 13
11.3 Ambient temperature 13
11.4 Maximum system pressure and
permissible liquid temperature
14
11.5 Minimum inlet pressure 14
11.6 Maximum inlet pressure 14
12. Fault finding 15
13. Further product information
16
13.1 Service documentation
16
14. Disposal 16
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.
Warning
The surface of the product may be so hot
that it may cause burns or 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.