ABB | SACE Emax 2
Putting into service and maintenance | 1 - Putting into service53 | © 2019 ABB | 1SDH001000R0002 - ECN000109166 - Rev. D
Accessories
(*)
to be checked
Procedure
Zone selectivity
1. Check selectivity connections (between Ekip Touch and the other units) as shown
in circuit diagrams
2. Provide Ekip Touch with auxiliary power and make sure that CB status is: Open
3. Check that the protection of the selectivity concerned has been enabled (example:
S protection)
4. Select the Test - Zone Selectivity menu and the submenu of the protection
concerned; repeat points 5, 6, 7 and 8 for each protection activated
NOTE: for selectivity D, consider submenu S for the Forward connections and
G for the Backward connections
Check Output:
5. Select the Force Output command and check, on the unit connected to the Ekip
Touch output, that the state of its Input = ON
6. Select Release Output and check on the unit that Input = OFF
Check Input:
7. Select the Force Output command in the unit connected to the Ekip Touch input;
check on Trip unit: Input = ON
8. Select Release Output and check on Trip unit: Input = OFF
Final check list
Perform the operations described below after having completed the general inspection procedures and
checked the accessories. Print this sheet and use it to make an inspection report in the "Checks" column.
Operation Description
Check
1 Circuit-breaker OFF Open the circuit-breaker
2
Circuit-breaker
connected
Switch the circuit-breaker in withdrawable version to the
connected position and reposition the crank in its seat
3 Trip unit Parameters
Adjust the protection trip unit in accordance with the design
specifications of the installation (drawn up by design engineer of
the installation). If necessary, power the protection trip unit with an
Ekip TT unit
4 Removal of the Ekip TT If present, remove the Ekip TT unit
5 Connecting the voltage Connect the auxiliary voltage
6 Closing the switchgear Close the switchgear door
7 Charging the springs Charge the closing springs
8 Undervoltage coil Make sure that undervoltage coil is energized
9
Opening and closing
coils
Make sure that opening and closing coils are NOT energized
10
Mechanical interlock of
the circuit-breaker
If present, make sure that the mechanical interlock of the circuit-
breaker is not active
11 Locking devices
If present, make sure that the locking devices of the circuit-
breaker are not active
12 Status signals
Make sure that the signalling devices on the front of the circuit-
breaker indicate: circuit-breaker open - springs discharged O -
OPEN and white spring signalling device DISCHARGED SPRING
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