ENGLISH 11-07-2023 15/95 DUFOUR 41
IV. GAS INSTALLATION
General points
- Operating pressure: 30 mbar (see the indication on the gas cylinder locker label and on the
pressure regulator).
- Ventilation openings should be used to evacuate flue gas: hinged panel above the gas cooker
and the companionway door.
- Make sure that all gas installation components (cylinder locker, shut-off valve) can be
accessed rapidly at all times.
- Check flexible hoses on a regular basis, at least once a year. Change any hoses that are
damaged, that are past their use-by date or have reached the end of their five-year lifetime as
from the date of manufacture marked on the hose.
- Valves fitted on empty cylinders must be closed and disconnected. Protective covers, caps or
plugs must be kept in place. Gas cylinders (including spares) must be stored in lockers or
compartments designed to house LPG cylinders and that have a ventilation circuit to the exterior,
or be stored outside the boat, protected against the weather and damage caused by mechanical
impacts in such a way that any gas escaping from the cylinders is systematically evacuated
towards the exterior of the boat.
- The LPG cylinder locker must not be used to store any other equipment or appliance.
- Make sure that the gas cylinder and regulator are conform to the cooker’s recommended use
precautions (flow rate, pressure, type of gas) and with current regulations in the country of use.
- Make sure that all valves are closed when replacing gas cylinders.
Operation of the LPG circuit
- The valves on gas supply pipes and cylinders must be kept closed when the appliances are not
in use, prior to filling them, and immediately in the event of an emergency.
- Valves on appliances must be closed before opening the valve on the gas cylinder.
WARNING
Fuel-burning open-flame appliances use up the oxygen in the cabin and release combustion
products into the boat. It is essential to have an effective ventilation system:
whenever using gas-powered appliances open the nearest deck hatch or porthole as well as
the companionway hatch.
- The cooker is suspended and can be used when at sea. Nevertheless, use the cooker
sparingly when there is a likelihood of large angles of roll or heel.
Checking the circuit
- Prior to each use, the LPG circuit should be checked for leaks as follows:
- Close the valve on the appliance, open the valve on the LPG cylinder, wait for the gauge
pressure to stabilise, close the valve on the LPG cylinder, observe the pressure value of the
gauge next to the cylinder for three minutes. If the pressure value remains constant, the
system is leaktight.
- Information: the gauge gives no indication of the quantity of LPG remaining in the cylinder, but
only its vapour pressure, which remains constant at a given temperature.
- In the event of an observed or suspected LPG leak, take the following steps immediately:
- Shut-off the main supply valve(s).
- Extinguish any open flames or other ignition sources (heating appliances, cooking appliances,
night lights, etc.).
- Do not turn on or off any electrical switches.
- If possible, evacuate the area.
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