Grundfos SQE 2 - 70 (96510152) [5/420] Symbols used in this document

Grundfos SQE 2 - 55 (96510151) [5/420] 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
7
3.1 Storage
7
3.2 Sound pressure level
7
4. Preparation
7
4.1 Refilling of motor liquid
7
4.2 Positional requirements
8
4.3 Liquid temperatures/cooling
8
5. Electrical connection
9
5.1 General
9
5.2 Motor protection
9
5.3 Connection of motor
9
6. Installation
10
6.1 General
10
6.2 Assembly of pump part and motor
10
6.3 Removal of non-return valve
10
6.4 Fitting the cable plug to the motor
11
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 Well system pressure overload
15
8.4 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
Prior to installation, read this document.
Installation and operation must comply
with local regulations and accepted codes
of good practice.
This appliance can be used by children
aged from 8 years and above and persons
with reduced physical, sensory or mental
capabilities or lack of experience and
knowledge if they have been given
supervision or instruction concerning use
of the appliance in a safe way and
understand the hazards involved.
Children shall not play with the appliance.
Cleaning and user maintenance shall not
be made by children without supervision.
DANGER
Indicates a hazardous situation which, if
not avoided, will result in death or serious
personal injury.
WARNING
Indicates a hazardous situation which, if
not avoided, could result in death or
serious personal injury.
CAUTION
Indicates a hazardous situation which, if
not avoided, could result in minor or
moderate personal injury.

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