1.4. Installation Safety Instructions
The installation involves high voltage as well as various equipment/elements/connection
points/exposed zones capable of delivering powerful electrical shocks. Users are advised to
follow caution while handling the equipment setup.
• Before any installation or maintenance work, disconnect the unit from all voltage
sources and make sure that there are no exposed dangerous wires.
• AC supply units must be disconnected from the adjacent low-voltage networks and
marked with a separator using switch or circuit breaker.
• The device shall be available in disconnected condition in the final product.
• Only trained personnel shall perform installation and configuration and must be
carried out in accordance with the national and international standards.
• The installer shall use conduit fittings that maintains the environmental rating of type
4 when installing the CS and meter in polymeric enclosure type 4.
• Ensure all low voltage inputs are protected from hazardous live wires by double or
reinforced insulation.
• During installation, make sure that the power supply and wiring of the output contacts
are supplied by the same mains phase so that max permissible voltage shall not
exceed.
• Insulation to surrounding components should be evaluated after installation in the
end-product.
• To reduce risk of electric shock, always open/disconnect the monitored circuit from
power-distribution system before installing current-sensors.
• The terminals shall be closed using appropriate POZIDRIV no. 1 with approximately
0.8 Nm torque.
• Unused terminals must be sealed with maximum torque to avoid loosening and
exposure. Please refer to the technical data sheet.
• Use only shielded cable for signal and control lines. Apply cable shielding on both
sides. Flying leads minimum cross-section 0.14 mm
2
.
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