ENGLISH 11-07-2023 13/95 DUFOUR 41
Batteries
The battery bank comprises 3 house batteries of 92 Ah as standard (plus extra batteries
depending on the options) and one engine starter battery of 74 Ah.
Their capacity has been studied to cover the power requirements of onboard accessories. To avoid
any difficulties, it is essential to ensure that the batteries are properly charged and maintained.
CAUTION!
• When installing new electrical appliances, make sure that their overall power consumption does
not exceed the capacity of your batteries.
When disconnecting or replacing batteries:
• Always disconnect the battery’s (-) terminal before the (+) terminal.
• Never allow a conductive object (tools, etc.) to create a bridge between the two terminals of a
battery.
• When handling batteries, hold them horizontally to prevent spillage of electrolytic liquid. Wear
gloves and protective clothing to prevent contact with electrolytic liquid should there be any
leaks or spillage.
• In the event of splashes, rinse the affected part of the body abundantly and consult a doctor.
• Never add distilled water to a battery in the absence of maintenance.
• You are advised to replace a battery bank in full.
• Never combine batteries that use differing technologies.
• Never combine batteries whose lifetime and capacity differ by more than 10%.
Electric windlass
CAUTION!
When using the electric windlass, it is essential to run the engine with the throttle slightly open.
220 V / 110 V installation (ISO 13297 :2000)
DANGER!
The onboard 220 V installation is protected by a circuit-breaker and fitted with a residual current
device. Any additional 220 V onboard accessories must be wired by a professional electrician,
and the master circuit-breaker uprated if necessary.
- Do not modify the boat's electrical system nor the relevant diagrams. All modifications and
maintenance must be carried out by a technician qualified in marine electrical engineering. Have
the system checked at least every two years.
- Disconnect the boat’s power supply cables when the system is not in use.
- Connect the electrical appliances’ metal covers or housings to the boat's ground conductor
(conductor may be green or green with yellow stripe).
- Make sure all electrical appliances are either double-insulated or earthed.
CAUTION!
When the boat is in dock, place the circuit breaker in the “OFF” position.
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