Operating A Motor With A Soft Starter; Maintenance And Service; Troubleshooting; Service - Franklin Electric 226-Serie Montage- Und Betriebsanleitung

Encapsulated Submersible Motors

7 Maintenance and service

6.5

Operating a motor with a soft starter

7 Maintenance and service
8

Troubleshooting

9

Service

10

Appendix

12
 Make sure that the required coolant flow speed along the motor is also observed with frequency
converter operation.
Note
When operating a motor with a soft starter, the relevant operating manual must be observed!
 Set the starting voltage of the soft starter to 55 % of the nominal voltage and set the running up and
delay times to max. three seconds.

Bridge the soft starter after running up, using a contactor.
The motor is maintenance-free, no maintenance or service activities are necessary.
Fault
Unusual noises, problems with the true
running of the pump or the pump
switching on and off too frequently.
The pump repeatedly switches off
Repairs must only be carried out by authorised professional workshops (only use original Franklin
Electric spare parts).
If you have any questions or problems, please contact your dealer or contact Franklin Electric via
Internet or mail to field-service@franklin-electric.de.
Page Explanation
Page A Outline drawings 6" / 8" Standard Motors
Page B Outline drawings HiTemp 75/90 Motors
Page C Motor Test Report (MTR)
Page D Cable cross-sections DOL and YD
Remedy
 Try to find the cause of the fault on the pump unit.
Have the insulation resistance checked by a

professional (see chapter 5.4).
 If no cause can be found in the motor or the motor
cable: Have the electrical system checked.