4Remove the plug and ensure that any locks or catch-es are removed, to prevent young children beingtrapped inside.Safety precautions for isobutaneWarningThe refrigerant isobutane (R 600a) is contained with-in the refrigerant circuit of the appliance, a natural gaswith a high level of environmental compatibility, whichis nevertheless flammable.Keep ventilation openings, in the appliance enclosureor in the built-in structure, clear of obstruction.Do not use mechanical devices or other means toaccelerate the defrosting process, other than thoserecommended by the manufacturer.Do not damage the refrigerant circuit.Do not use electrical appliances inside the food stor-age compartments of the appliance.The Appliance and the EnvironmentThis appliance does not contain gases which coulddamage the ozone layer.Avoid damaging the cooling unit.The packaging used on this appliance marked with thesymbol is recyclable.Keep this instruction book for future reference andensure it is passed on to any new owner.