
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Changing settings
Indicators
Module test
The correct operation of the
c
modules can be verified in the test mode. The test mode is started by pushing the "TEST" button
once. All outputs and the associated LEDs are switched off. The color of the DEVICE LED changes from green to yellow.
Testing inputs and outputs
Pushing the "TEST" button several times in quick succession when an LED is on switches the respective input/output on and off alternately.
LED
Indication
Significance
DEVICE
green
Module in operation
yellow
Module in test mode
red
Module faulty
c
green
Connection to
c
available
off
No connection to
c
All other LEDs
yellow
Option set or signal available
off
Option not set or no signal available
NOTICE
Unintended operation of the circuit breaker and other devices.
The test circuits of this unit emit real output signals that may cause operation of the circuit breaker and other devices that
may be connected to the associated
c
module.
During the test, the circuit breaker and downstream devices shoud be isolated to prevent unintended device operations.
Pressing the
"
TEST
"
Button
Reaction
Twice quickly
- LED 1 on
- Input/output 1 on
After a pause,
twice quickly
- LED 1 and input/output 1 off, LED 2 on
- Input/output 2 on
After a pause,
twice quickly
- LED 2 and input/output 2 off, LED 3 on
- Input/output 3 on
...
...
After a pause,
twice quickly
- LED 5 and input/output 5 off, LED 6 on
- Input/output 6 on
After a pause, once
Input/output 6 off, all LEDs on
Once
Test mode starts again, all inputs/outputs and the associated LEDs are off
The value 0.1 is set if the
rotary switch is positioned
3 x 0.5
1/8“
in this
segment
Summary of Contents for UL 489
Page 36: ...5 21 Frame size II 3000 A Frame size III 1 Holes 14 mm 0720 1 0721_nu ...
Page 63: ...7 2 Horizontal connectors 0733_nu top view ...
Page 64: ...7 3 Rear vertical connectors 0734_nu top view rear view ...
Page 65: ...7 4 Front connectors 0736_nu front view top view ...
Page 66: ...7 5 Front connectors and pressure wire terminals 0737_nu top view front view ...
Page 67: ...7 6 7 2 Frame size II fixed mounted version 0494 3_nu ...
Page 68: ...7 7 Class C always 0494 5_nu top view rear view ...
Page 69: ...7 8 2500 0738_nu LH side view front view ...
Page 71: ...7 10 7 4 Frame size III fixed mounted version 0495 1_nu LH side view ...
Page 72: ...7 11 0495 2_nu top view top view ...
Page 73: ...7 12 0495 3_nu top view rear view ...
Page 75: ...7 14 7 5 Door cut outs fixed mounted circuit breaker Frame size I 0735_nu ...
Page 76: ...7 15 Frame size II III 0496_nu ...
Page 77: ...7 16 7 6 Frame size I draw out version 0745_nu ...
Page 78: ...7 17 0746_nu rear view top view ...
Page 79: ...7 18 0747_nu bottom view ...
Page 80: ...7 19 0748_nu ...
Page 81: ...7 20 0749_nu ...
Page 82: ...7 21 7 7 Frame size II draw out version 0490 1_ul ...
Page 86: ...7 25 7 8 Frame size III draw out version ...
Page 87: ...7 26 ...
Page 88: ...7 27 ...
Page 89: ...7 28 7 9 Door cut outs for draw out circuit breakers Frame size I 0750_nu ...
Page 91: ...7 30 7 11 External sensor for neutral conductor WLNCT2 ...
Page 92: ...7 31 WLNCT3 ...
Page 107: ...9 5 I tripping Ground fault tripping ...
Page 351: ......