Xylem Flygt 2125 User Manual

Earth (ground) conductor length.................................................................................................18
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......................................................................................................................30
Install the impeller..........................................................................................................................32
Troubleshooting...................................................................................................................................34
Introduction.......................................................................................................................................34
The pump does not start..................................................................................................................34
The pump does not stop when a level sensor is used.................................................................35
The pump starts-stops-starts in rapid sequence...........................................................................35
The pump runs but the motor protection trips.............................................................................36
The pump delivers too little or no water........................................................................................36
Technical Reference............................................................................................................................38
Application limits...............................................................................................................................38
Motor data..........................................................................................................................................38
Specific motor data...........................................................................................................................38
Dimensions and weights..................................................................................................................42
Performance curves..........................................................................................................................46
Table of Contents
2 Flygt 2125 Installation, Operation, and Maintenance Manual

Xylem Flygt 2125 Specifications

General

Brand	Xylem
Model	Flygt 2125
Category	Water Pump
Language	English