Grundfos SQE 7-30 96510170 [5/388] Symbols used in this document

Grundfos SQ 3-105 96524448 [5/388] Symbols used in this document
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. General
6
2.1 Applications
6
3. Technical data
6
3.1 Storage
6
3.2 Sound pressure level
6
4. Preparation
7
4.1 Refilling of motor liquid
7
4.2 Positional requirements
7
4.3 Liquid temperatures/cooling
8
5. Electrical connection
8
5.1 General
8
5.2 Motor protection
9
5.3 Connection of motor
9
6. Installation
9
6.1 General
9
6.2 Assembly of pump part and motor
9
6.3 Removal of non-return valve
10
6.4 Fitting the cable plug to the motor
10
6.5 Fitting the cable guard
11
6.6 Cable sizing
12
6.7 Fitting the submersible drop cable
13
6.8 Pipework connection
13
7. Start-up
14
8. Operation
14
8.1 Minimum flow rate
14
8.2 Selection of diaphragm tank and setting
of precharge pressure and pressure
switch
14
8.3 Built-in protection
16
9. Maintenance and service
16
9.1 Contaminated pumps
16
10. Fault finding chart
17
10.1 Megging
18
11. Checking the power supply
19
12. Environment
19
13. Disposal
19
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.
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.

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