ABB Sace Emax 2 Installation, Operation And Maintenance Instructions For The Installer And The User page 52

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Continued from the previous page
Accessories to
(*)
Procedure
be checked
1. Power the protection trip unit with the Vaux auxiliary power supply.
2. Power the Ekip Com Actuator contacts.
3. Charge the springs.
Closing coil with
4. Select "close CB" from the Ekip Touch menu
Ekip Com Actuator
Result: The circuit-breaker closes correctly; the signals are normal.
NOTE: The test can be performed if the protection trip unit and the coils
are energized.
1. Open the circuit-breaker
Lock for circuit-
2. Keep the opening pushbutton pressed
breaker in open
3. Turn the key and remove it
position (key or
4. Attempt the circuit-breaker closing operation.
padlock)
Result: Both manual and electrical closing is prevented.
1. Connect the auxiliary contacts to appropriate signalling circuits or to the
Auxiliary open/
multimeter.
closed contacts of
2. perform some closing and opening operations on the circuit-breaker.
the circuit-breaker
Result: signalling occurs normally.
Circuit-breaker 1. Connect the auxiliary contacts to appropriate signalling circuits.
connected,
2. bring the circuit-breaker to the connected, isolated for test and
isolated for test,
disconnected position.
disconnected
Result: the signals due to the relative operations are normal.
auxiliary contacts
Locking devices 1. Perform operating tests.
for connected/
test/disconnected
Result: the interlocks function correctly.
positions
(**)
Interlocks between 1. Perform operating tests.
circuit breakers
assembled side by
Result: the interlocks function correctly.
side and stacked
1. Perform a few racking-in and racking-out operations.
Racking-in/out
Result: in the rack-in operation the circuit-breaker is connected correctly.
device
(**)
There is no particular resistance during the first turns of the handle.
Auxiliary Verify the proper installation. The supply voltage of the auxiliary accessories
accessories and must be between 85% and 110% of the rated voltage for the auxiliary
auxiliary voltage accessories.
1. For all modules with terminal box: check connection to Ekip Supply in
mechanical seat of terminal box
For Ekip Signalling 10K and Ekip Multimeter : check connection of the bus of
module (W3-W4) to the respective sockets of Ekip supply or terminal box
2. Power up the Trip unit (and external modules if there is a separate supply)
and make sure they are on
External modules
3. Check on menu or via Ekip Connect that the local bus on the Trip unit is
enabled
4. Check that the Power LED on each module is on in the same way as the
Power LED of Ekip Touch (steady or synchronous flash)
5. Check on menu or via Ekip Connect to make sure that all installed modules
are present and that there are no alarms
1. Make sure that the sensor is connected to the terminal box
2. Power up the Trip unit and make sure it is on
External neutral,
3. For External neutral : check in the Settings - Circuit-breaker menu that
single-pole sensor
Configuration = 3P + N; otherwise change the parameter
(SGR), residual
For single-pole and residual current sensors: set presence and size in the
current sensor
Settings - Circuit-breaker - Earth protection menu; protection parameters in
(Rc)
the Protections or Advanced menus
4. Make sure there are no alarms
if present.
(*)
(**) withdrawable versions only.
Putting into service and maintenance | 1 - Putting into service
ABB | SACE Emax 2