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4. Installation
4.2.1 Safety warnings
DANGER
Before proceeding with the operations it is necessary to read and apply what is reported below. Proceeding with the
operations if one or more of the following conditions have not been met is prohibited.
• Do not carry out the installation if there is water or humidity around.
• Only open the UPS panels for the electrical connections. After making the connections, close and fix all the panels.
• Check there is no mains voltage on the equipment.
• Check that the loads are off and disconnected from the UPS.
• Check the UPS is off and no voltage is present.
• Check that the battery disconnectors of the external battery units are open (OFF position).
4.2.2 Preliminary operations
Before connecting the UPS, check that:
• the mains input voltage and frequency correspond with the values indicated in the technical data on the UPS rating
plate;
• the earthing has been carried out in compliance with IEC (International Electrotechnical Commission) standards or local
regulations;
• the electrical system has been fitted with the necessary residual-current and thermal-magnetic protections upline from
the UPS input.
4.2.3 Connection of the cabinets Archimod HE480
The following drawings indicate how to connect together the cabinets 3 104 76 and 3 104 77.
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