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III. ELECTRICAL SYSTEMS
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 t hazards.
Always:
●
Check the condition of the batteries (charge and electrolyte level) and the charging system
before putting to sea.
● Disconnect and remove batteries for wintering.
● Do not let battery voltage drop below 10.5 V during wintering.
● Carry spare bulbs for all navigation lights and interior lighting. Respect power ratings,
particularly for navigation lights.
● Check operation of the navigational instruments.
● Check operation of the navigation lights before sailing at night.
You must never:
● Work on a live electrical installation.
● Make any modification to an installation and the relevant diagrams, unless it is carried out
by an electrician qualified in marine electrical work.
● Change or modify the breaking capacity of overload protection devices.
● Replace electrical apparatus or equipment with units exceeding the rated capacity without
uprating wiring and protection.
● Leave the boat unattended when the electrical installation is powered, with the exception
of the automatic bilge pump and the fire or theft protection circuits when applicable.
If a fuse or circuit-breaker blows repeatedly, you should consult a specialist to determine the
cause of the short-circuit.
Fitting new equipment
Since January 1
st
1996, electrical equipment is subject to the European “electromagnetic
compatibility” directive (Ref 89/336/CEE). It is therefore necessary that any new equipment
you may wish to install meets the requirements of this standard and bears the CE mark.
Equipment must also be supplied with a compliance certificate and instructions for use.
In the case of 220 or 110V 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, make sure that any modifications made to the electrical
circuit are recorded in writing in the manual.
DUFOUR 412
YACHT EXPERTS ISO 9001 certificated
Document generated on 2020-09-08
~ YA
CHT
EXPERTS
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