ABB SACE Emax E2.2 Installation, Operation And Maintenance Instructions For The Installer And The User page 73

Low voltage air circuit-breakers
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Inspection of the protection trip
Test with Ekip Connect Test the trip unit:
Final checks Reassemble and check the circuit-breaker:
71 | © 2019 ABB | 1SDH001000R0002 - ECN000109166 - Rev. D
Check that the trip unit is in good condition:
unit
1.
Power the protection trip unit with an Ekip TT battery unit.
2.
Check the correct operation of the protection trip unit: tripping test with "Trip Test" and "Autotest".
3.
With Ekip Dip release, check front leds to make sure there are no alarms.
4.
With Ekip Touch release, check display and front leds to make sure there are no alarms.
5.
Make sure that the cables are correctly connected to the modules and to the trip unit (if applicable).
6.
Check percentage of wear on circuit-breaker contacts on Ekip Touch release.
7.
Finally, remove the Ekip TT battery unit.
1.
Connect the Ekip Bluetooth or Ekip T & P unit to the trip unit.
2.
Connect the computer where the program is installed by means of a Bluetooth or USB connection.
3.
After having connected computer and release, check that there are no alarm signals from release. If
there are, consult section " 2 - Identification of alarms or failures" on page 54.
4.
In the absence of alarms you can proceed to the trip test and self test (depending on the type of trip
unit). For future checks it is recommended to insert the current date in the area called "Information".
These data will be stored within the trip unit itself.
5.
Remove the Ekip Bluetooth or Ekip T & P unit from the trip unit.
1.
Reassemble all the parts by performing all the operations indicated in the paragraph "Disassembly
Operations" in reverse order and, if necessary, reconnect the auxiliary power supply.
2.
Put the movable part (breakers) in the test position (see indication TEST).
3.
Perform the following operations 10 times:
• Opening (in both local and remote modes, if applicable)
• Closing (in both local and remote modes, if applicable)
• Tripping via Trip Test
4.
Perform the operations in the following sequence:
• Open - Springs discharged
• Open - Springs charged
• Closed - Springs discharged
• Closed - Springs charged
5.
Check that the following operate correctly:
• accessories, if provided.
• gearmotor, if provided.
• undervoltage coil, if provided.
• opening coil, if provided.
• closing coil, if provided.
• auxiliary contacts of the circuit-breaker, if provided.
• lock for circuit-breaker in open position (key or padlock), if provided
Putting into service and maintenance | 5 - Second level maintenance
ABB | SACE Emax 2

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