ENGLISH 11-01-2012
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DUFOUR 335 Grand Large
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Safety and operating instructions for the electrical system
WARNING
Improper use of the DC and/or AC systems may give rise to fire or explosion hazards.
Improper use of the AC systems may give rise to electric shock hazards.
Always:
● Check the condition of the batteries (load and level of the electrolyte) and of the charging
system before taking the sea.
● Disconnect and remove the batteries for wintering.
● Keep the voltage of the batteries at more than 10.5 V during wintering.
● Always carry spare bulbs for all the navigation lights and interior lighting. Respect power
ratings, particularly for navigation lights.
● Check the operation of the navigation instruments.
● Check the operation of the navigation lights before night sailing.
Never:
● Work on a live electric installation.
● Make changes to an installation and relevant diagrams, except if this is done by an
electrician qualified in marine electricity.
● Change or modify the circuit breaking capacity of overcurrent protection devices.
● Replace the electrical apparatuses or equipment by components exceeding the rated
capacity without upgrading wiring and protection.
● Leave the ship unattended when the electric installation is live, possibly except for an
automatic bilge pump and fire and theft protection circuits.
If a fuse or circuit-breaker blows continually, you should consult a specialist to determine the cause of
the short-circuit.
Installing new equipment
Since January 1st 1996, the electric components are subject to the European directive on
electromagnetic compatibility'' (ref. 89/336/EEC). So new equipment being installed must meet this
standard and bear the CE mark. Equipment must also be supplied with a compliance certificate and
instructions for use.
In the case of 220 or 110 V installations, use only double-insulated or earthed equipment. When such
equipment is being installed, respect the fitting instructions (conductor size, protection).
To avoid maintenance problems, be sure to mark in the manual any modifications that may be made to
the electrical circuit diagram.
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