Grundfos MS Series - General Information; Hazard Statements

English (GB)
2
English (GB) Installation and operating instructions
Original installation and operating instructions
CONTENTS
Page
These instructions apply to Grundfos MS and MMS
submersible motors for submersible pumps.
These motors must not be put into service until the
machine into which they are to be incorporated has
been declared in conformity with the relevant
directives.
1. General information
1.1 Hazard statements
The symbols and hazard statements below may
appear in Grundfos installation and operating
instructions, safety instructions and service
instructions.
The hazard statements are structured in the
following way:
1. General information
2
1.1 Hazard statements
2
1.2 Notes
3
2. Delivery and storage
3
2.1 Delivery
3
2.2 Unpacking
3
2.3 Storage and handling
3
3. General description
4
3.1 Applications
4
3.2 Pumped liquids
4
3.3 Sound pressure level
4
4. Installation requirements
4
4.1 Checking the motor liquid
4
4.2 Positional requirements
6
4.3 Liquid temperatures/cooling
7
5. Electrical connection
8
5.1 General
8
5.2 Motor protection
9
5.3 Cable sizing
10
5.4 Control of single-phase MS402
11
5.5 Connection of single-phase motors
11
5.6 Connection of three-phase motors
13
6. Setting up the CUE frequency converter
in an SPE system
16
7. Motor installation
16
8. Mechanical installation
16
8.1 Removing and fitting the cable guard
16
8.2 Fitting of submersible drop cable and
motor cable
16
8.3 Assembly of pump set on site
17
8.4 Fitting the pump to the motor
17
8.5 Maximum installation pressure [mWC]
18
8.6 Lowering the pump
18
8.7 Frequency of starts and stops
19
9. Maintenance and service
19
9.1 MS6000P
20
10. Fault finding
20
10.1 MS6000P
20
11. Checking the motor and cable
22
11.1 MS6000P
22
12. Disposal
24
Read this document before installing the
product. Installation and operation must
comply with local regulations and accepted
codes of good practice.
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.
SIGNAL WORD
Description of hazard
Consequence of ignoring the warning.
- Action to avoid the hazard.