Icar CRA BS7 Mode D'emploi page 12

3. Wiring (Three-phase insertion)
1. For three-phase insertion, the voltage input be connected phase to phase: the current
transformer must be inserted on the remained phase.
2. The polarity of the current/voltage input is different.
3. If a separate supply source is not available, the unit can be fed through the line
voltage to be controlled (max 240V AC).
DISCONNECT THE LINE AND THE SUPPLY WHEN OPERATING ON TERMINALS
This equipment is to be installed by trained personnel, complying to current
standards, to avoid damages or health and safety hazards.
4. Feeding the unit
Check the connection before feeding the unit: a mistake could seriously damage the unit.
WARNING! In case of current/voltage input disconnection, an alarm code appears on the
display ( "Er.I" / "Er.U" ) and the unit is blocked.
If the unit has never been programmed before (first installation), at feeding the display
shows "  " and the LED "MAN" lights on.
It is necessary to SET UP the unit through the keyboard on board.
Automatic mode selection is not allowed: pressing key the display shows the flashing
message "SET".
IMPORTANT
WARNING
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