Salicru ILUEST NE Série Manuel D'installation Et D'opération page 19

4.4.- Communication ports.
The ILUEST has 3 serial ports RS485, one per each phase, which allow the connection of the following optionals:
• LCD panel.
• Telemanagement card .
• Extended communication card.
4.5.- Recommended protection devices and cross section cables.
4.5.1.- Recommended protections.
Install the protections against over currents (overloads and short-circuits), earth leakage current and overvoltages according to
the local regulations. Regarding the overvoltages, although the equipment is already protected by varistors, it is recommended
to use other protection methods (like lightning arrrestors) if it is required by the environment conditions.
4.5.2.- Recommended cross section cables.
Never mind the installation type (undergrounded or to air ), it is recommended to consult the Low Voltage Regulation : ITC-BT-
07 - UNDERGROUND MAINS FOR LOW VOLTAGE DISTRIBUTION, in case of installation in Spain, or the relevant local standards
in case of its installation out of Spain.
4.5.3.- Installation diagrams.
In the figure 11, it is showed the typical installation diagram of the ILUEST. Always, it is important to comply the following
features:
• The ILUEST must ALWAYS be installed at the head of the lighting feeder pillar.
• It is recommended to install it after the light contactor, because, in this way the equipment will be turned off during the period
that the lights are off, avoiding overheatings and needless consumption.
4.6.- Connection.
The typical connection diagram of the ILUEST is showed in the figure 11.
4.6.1.- Power supply connection.
• The earth connection must be connected (
the input of the equipment.
• Connect to the input terminals (1), the cables coming from the start up contactor of the system, by respecting the phase
rotation and neutral stated in the labelling of the equipment and in the figures 12 and 13 of this manual.
Attention: It is a must to connect the neutral in any three phase star system, by recognising it in the terminal labels with
a «N».
), by assuring that it is already done before proceeding to feed
- 19 -