ABB SACE Emax 2 Series Operating Instructions Manual page 275
Low voltage air circuit-breaker
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Inspection of the protection
trip unit
Test with Ekip Connect Test the trip unit:
272 | © 2023 ABB | 1SDH001330R1002 - ECN000297030
Check that the trip unit is in good condition:
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 a Ekip Dip verify the absence of alarms through frontal LEDs.
4.
With a Ekip Touch, verify the absence of alarms via the display and the front LEDs.
5.
Make sure that the cables are correctly connected to the modules and to the trip unit (if applicable).
6.
On a Ekip Touch check the percentage of wear on the contacts of the circuit-breaker.
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 connecting the computer and trip unit, check that there are no alarm signals. Otherwise, refer
to the paragraph " 1 - Identification of alarms or failures" on page 285.
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.
Putting into service and maintenance
3 - E1.2 maintenance and E2.2, E4.2 and E6.2 first level maintenance
ABB | SACE Emax 2
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