6.4.2 Remove the impeller, alternative 2...........................................................................35
6.4.3 Remove the impeller, alternative 3...........................................................................36
6.4.4 Remove the impeller, alternative 4...........................................................................39
6.4.5 Install the impeller, alternative 1...............................................................................40
6.4.6 Install the impeller, alternative 2...............................................................................41
6.4.7 Install the impeller, alternative 3...............................................................................45
6.4.8 Install the impeller, alternative 4...............................................................................50
6.4.9 Adjust the impeller..................................................................................................... 52
6.4.10 Replace the diffuser................................................................................................. 53
7 Troubleshooting....................................................................................................................... 55
7.1 The pump does not start...................................................................................................55
7.2 The pump does not stop when a level sensor is used..................................................56
7.3 The pump starts-stops-starts in rapid sequence............................................................56
7.4 The pump runs but the motor protection trips..............................................................57
7.5 The pump delivers too little or no water.........................................................................57
8 Technical Reference.................................................................................................................59
8.1 Application limits............................................................................................................... 59
8.2 Specific motor data: Version code 2190.010, 2201.012/020......................................59
8.3 Specific motor data: Version code 2201.320/590/690/691........................................ 62
8.4 Dimensions and weights...................................................................................................63
8.5 Performance curves...........................................................................................................65
Table of Contents
2 Flygt 2190, 2201 Installation, Operation, and Maintenance Manual
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