ENGLISH
- Lack of water in the aspiration tanks. In the unit is present a switch off button for the buzzer and a red LED
warning alarm. In case of power failure the piezoelectric buzzer is activated and is self-powered from the
battery for 20 hours continuously.
8. ELECTRICAL INSTALLATION
8.1
Make sure that the main switch on the power distribution panel is set to OFF (O), and that panel operation cannot be
restored accidentally, before you proceed to connect the power cables to the disconnecting switch terminals.
8.2
Closely observe all the regulations in force regarding safety and accident prevention.
8.3
Make sure that all terminals are fastened securely, paying particular attention to the ground.
8.4
Connect the cables in the terminal board according to the wiring diagrams shown in the attached handbook.
8.5
Make sure that all the connection cables are in perfect condition, with the outer sheath undamaged.
8.6
WARNING ! Install differential switches on the system.
8.7
We recommend a safe and proper grounding connection of the system as required by current regulations.
8.8
Verifications to be made by the installation personnel :
Continuity of the protection conductors and of the main and auxiliary equipotential circuits;
Isolation resistance of the electrical system;
Differential protection efficiency test;
Applied voltage test;
Operating test.
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