Motor Operation With Softstarter; Maintenance And Service; Troubleshooting; Service - Franklin Electric 262 Serie Manual De Instrucciones

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Rewindable Submersible Motors

7 Maintenance and service

6.5
Motor operation with soft starter
7
Maintenance and service
8

Troubleshooting

9

Service

10

Appendix

12
Limit any voltage peaks on the motor when using a frequency converter to the following values:
max. voltage rise 500 V/μs, max. voltage peak 1000 V.
Make sure that the running up time from 0 to 30 Hz and the deceleration time from 30 to 0 Hz is
maximum one second.
Dimension the cable such that power loss due to additional filters is taken into consideration.
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 proper
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
(www.franklin- electric.eu) or via mail to: field-service@franklin-electric.de.
Page
Explanation
Page A
Outline drawing 6" and 8"
Page B
Outline drawing 10" and 12"
Page C
Assembly instructions PT100
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.

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