Connect the motor cable to the pump........................................................................................18
Cable charts....................................................................................................................................19
Connection locations.....................................................................................................................19
Color code standard......................................................................................................................20
View of terminal board and sensor connections........................................................................21
Motor cable, stator leads and thermal contacts connection to terminal board.....................22
Check the impeller rotation.............................................................................................................23
Operation..............................................................................................................................................24
Precautions.........................................................................................................................................24
Distance to wet areas........................................................................................................................24
Noise level..........................................................................................................................................24
Start the pump...................................................................................................................................24
Clean the pump.................................................................................................................................25
Maintenance.........................................................................................................................................26
Precautions.........................................................................................................................................26
Maintenance guidelines...................................................................................................................26
Torque values....................................................................................................................................26
Service................................................................................................................................................27
Inspection........................................................................................................................................27
Major overhaul................................................................................................................................29
Change the oil...................................................................................................................................29
Empty the oil...................................................................................................................................29
Fill with oil........................................................................................................................................29
Replace the impeller.........................................................................................................................30
Remove the impeller: HT ..............................................................................................................30
Remove the impeller: MT .............................................................................................................32
Install the impeller: HT ..................................................................................................................33
Install the impeller: MT .................................................................................................................35
Troubleshooting...................................................................................................................................38
Introduction.......................................................................................................................................38
The pump does not start..................................................................................................................38
The pump does not stop when a level sensor is used.................................................................39
The pump starts-stops-starts in rapid sequence...........................................................................39
The pump runs but the motor protection trips.............................................................................40
The pump delivers too little or no water........................................................................................40
Technical Reference............................................................................................................................42
Application limits...............................................................................................................................42
Motor data..........................................................................................................................................42
Specific motor data...........................................................................................................................42
Dimensions and weights..................................................................................................................43
Performance curves..........................................................................................................................46
Table of Contents
2 Flygt 2400 Installation, Operation, and Maintenance Manual
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