ABB | SACE Emax 2
104 | © 2017 ABB | 1SDH000999R0002 - ECN000058721 - Rev. B
Putting into service and maintenance | 4 - Maintenance operations
Test with Ekip Connect
Test the trip 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 by the trip unit.
Otherwise, refer to the paragraph " 2 - Identification of alarms or failures" on page 94.
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.
Final checks
Reassemble and check the circuit-breaker:
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
Interlock check
Check that the vertical or horizontal interlocking devices (if provided) are installed and that they operate
correctly.
WARNING! the interlocks cannot be tested in the Test or Disconnected positions.
NOTE: It is advisable to replace the cables once they have reached 50% of the declared
mechanical life of the largest size circuit-breaker involved in the interlock.
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