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DIR 1000587R0002 (Version 02)
2.6. Putting into service and recommendations
2.6.1.
Installation
Circuit-Breakers purchased with the trip unit assembled do not require this operation which is, however, necessary in the case
of replacement.
Comply with the following instructions if the trip unit on the CB is replaced:
1. With the circuit-breaker open and possibly isolated, connect the tip unit to the circuit-breaker itself by connecting all the
cables as indicated in the assembly documents.
2. Power the unit with 24V DC power supply or battery unit 140G-ELBU.
3. If there are no other errors apart from the confi guration one, press the “i Test” button for a few seconds until all the red leds
fl ash to confi rm that installation has taken place.
4. Remove the battery unit.
5. Power the trip unit by means of any supply source (Vaux, battery unit).
6. Make sure that there are no confi guration errors (check that the LEDs are on in the Alive LED ON confi guration).
7. The circuit-breaker and trip unit can now be put into service.
2.6.2. Connections
ATTENTION: Strict compliance with the wiring instructions given in this document is required.
This will ensure compliance with all the international reference standards and guarantee that the trip unit func-
tions perfectly even in heavy duty environmental and electromagnetic conditions. Pay particular attention to the
earth connection.
2.6.3.
CS and TC connection check
ATTENTION: If the LSIG has been installed by the user, remember to check (with the CB open and Vaux or battery
unit), prior to putting the circuit-breaker into service, to make sure that the CS and TC cables have been con-
nected correctly. Make the correct connections if this is not the case. If all the red leds come on, it means that
there is an error in the CS and/or TC connections
2.6.4.
Connection of current sensor for external neutral
ATTENTION: Remember to set the InN in the appropriate way if the current sensor for the external neutral con-
ductor must be connected to a three-pole circuit-breaker.
During this phase, the circuit-breaker must be open and, if possible, isolated.
2.7. Default
parameters
Prior to commissioning, adjust protection parameters according to specifi c application.
Rockwell Automation will apply the adhesive rating plates of all the variables concerning the CB (e.g. Type of CB, Rating Plug
size, etc.) so as to provide the user with all the information needed to defi ne the parameters.
LSIG is supplied with the following default settings:
#
Protection
Threshold
Time
1
L
1 In
144 s
2
S
Off
0.1 s
3
I
4 In
--
4
G
Off
0.1 s
5
Mains frequency
50 Hz
(1)
6
Neutral sel
(2)
NOTES
:
(1) = 50 Hz for IEC type CB
60 Hz for UL type CB
(2) = Off for three-pole CB
50% for four-pole CB
