Grundfos MGE 100, Instructions Manual

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English (GB)
3
English (GB) Service instructions
Original service instructions
CONTENTS
Page
1. Symbols used in this document
1.1 Warnings against hazards involving risk of death
or personal injury
1.2 Other important notes
1. Symbols used in this document
3
1.1 Warnings against hazards involving risk of death or
personal injury
3
1.2 Other important notes
3
2. General information 4
3. Torques 4
4. Secondary materials
4
5. Service tools 5
6. Megging 6
7. Replacing hardware
6
7.1 Replacing the terminal box cover 6
7.2 Replacing the battery 6
7.3 Fitting the antenna
6
7.4 Replacing the control panel 7
7.5 Replacing the CIM module 7
7.6 Replacing the isolation cover 8
7.7 Replacing the functional module
8
7.8 Replacing the power module 9
7.9 Replacing the terminal box 9
7.10 Replacing the stator housing
10
7.11 Replacing the fan 10
7.12 Replacing the bearings (MGE 100 and below) 10
7.13 Replacing the bearings (MGE 112, 132, 160)
12
7.14 Replacing the IP66 gamma rings 14
7.15 Configuring the controller 15
8. Lubricating the bearings 18
9. Fault finding
19
9.1 General information 19
9.2 Fault indications 20
9.3 Functional module
22
9.4 Power module 25
9.5 Winding resistance 27
10. Exploded view
30
11. Disposal 31
Read this document before starting service work on
the product. Installation and service work must
comply with local regulations and accepted codes of
good practice.
Observe the safety instructions in the installation and
operating instructions for the product.
CAUTION
Indicates a hazardous situation which, if not avoided,
could result in minor or moderate personal injury.
WARNING
Indicates a hazardous situation which, if not avoided,
could result in death or serious personal injury.
DANGER
Indicates a hazardous situation which, if not avoided,
will result in death or serious personal injury.
A blue or grey circle with a white graphical symbol
indicates that an action must be taken.
If these instructions are not observed, it may result in
malfunction or damage to the equipment.
Tips and advice that make the work easier.