Wilfa NATURA HU-400WW, Instruction Manual, Page: 9 / 196

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NATURE · HU-400WW
• The ideal relative humidity level for human
comfort is in fact between 45% and 65%. Excess
humidity shows up in the form of condensation
on cold surfaces or cold walls in the room. To
measure the room’s humidity correctly, use a
hygrometer available in most specialist shops and
hypermarkets.
• This product is intended for indoor, non-industrial,
non-commercial, household use only.
• Unplug the appliance during filling and cleaning.
• Do not permit the area around the humidifier to
become damp or wet. If dampness occurs, turn
the output of the humidifier down. If the humidifier
output volume cannot be turned down, use the
humidifier intermittently. Do not allow absorbent
materials, such as carpeting, curtains, drapes, or
tablecloths, to become damp.
• Never leave water in the reservoir when the
appliance is not in use.
• Empty and clean the humidifier before storage.
Clean the humidifier before next use.