The maximum amount of food that can be frozen in 24hours is specified on the rating plate 4)The freezing process lasts 24 hours: during this perioddo not add other food to be frozen.Storage of frozen foodWhen first starting-up or after a period out of use, beforeputting the products in the compartment let the appliancerun at least 2 hours on the higher settings.Important! In the event of accidental defrosting, forexample due to a power failure, if the power has been offfor longer than the value shown in the technicalcharacteristics chart under "rising time", the defrostedfood must be consumed quickly or cooked immediatelyand then re-frozen (after cooling).Care and cleaningCaution! Unplug the appliance before carrying outany maintenance operation.This appliance contains hydrocarbons in its coolingunit; maintenance and recharging must thereforeonly be carried out by authorized technicians.Defrosting the freezerDefrost the freezer when the frost layer reaches a thicknessof about 10-15 mm.The best time to defrost the freezer when it contains no oronly a little food.To remove the frost, do these steps:1. Switch off the appliance.2. Remove any stored food, wrap it in several layers ofnewspaper and put it in a cool place.3. Leave the lid open , remove the plug from the defrostwater drain and collect all defrost water on a tray. Usea scraper to remove ice quickly.4. When defrosting is completed, dry the interior thor-oughly and refit the plug.5. Switch on the appliance.6. Set the temperature regulator to obtain the maximumcoldness and run the appliance for two or three hoursusing this setting.7. Reload the previously removed food into the com-partment.Important! Never use sharp metal tools to scrape off frostas you could damage the appliance. Do not use amechanical device or any artificial means to speed up thethawing process other than those recommended by themanufacturer. A temperature rise of the frozen food packs,during defrosting, may shorten their safe storage life.Technical dataZFC620WAP ZFC639WAPDimensionHeight 868 mm 876 mmWidth 595 mm 1325 mmDepth 665 mm 665 mmRising Time 25 h 31 hThe technical information are situated in the rating plateon the external right side of the appliance and in the energylabel.4) Refer to "Technical data"5