Grundfos MGE-F - Default Chapter; Table of Contents

3 / 32
Contents
1. Identification ............................................................................................................................... 4
1.1 Nameplates................................................................................................................................................. 4
1.2 Type key ..................................................................................................................................................... 5
1.3 Configuration .............................................................................................................................................. 5
2. General description.................................................................................................................... 6
2.1 Wiring diagrams and signal terminals......................................................................................................... 6
2.2 Control panel .............................................................................................................................................. 7
2.3 Indicator lights............................................................................................................................................. 8
2.4 Setting using the R100 remote control ....................................................................................................... 8
2.5 R100 menu structure ..................................................................................................................................9
2.6 Alarms and warnings ................................................................................................................................ 10
2.7 Alarm overview ......................................................................................................................................... 10
3. Fault finding .............................................................................................................................. 10
3.1 Safety instructions .................................................................................................................................... 10
3.2 Fault finding procedure............................................................................................................................. 10
3.3 Operating conditions................................................................................................................................. 11
3.4 Fault observations .................................................................................................................................... 11
3.5 Fault finding using the indicator lights on the control panel ...................................................................... 12
3.6 Fault finding using alarm and warning codes ...........................................................................................17
4. Maintenance.............................................................................................................................. 21
4.1 Lubrication of motor bearings ................................................................................................................... 21
4.2 Replacement of motor bearings................................................................................................................22
5. Emergency operation (bypass) ............................................................................................... 24
5.1 Establishing emergency operation............................................................................................................ 24
5.2 Re-establishment of frequency converter operation .................................................................................25
6. Drawings and diagrams ........................................................................................................... 26
7. Tightening torques and lubrication ........................................................................................ 30
7.1 Tightening torques.................................................................................................................................... 30
7.2 Lubricating intervals and grease...............................................................................................................30
8. Service tools ............................................................................................................................. 31