The unit should be placed in an elevated position, e.g. on a table, chest, etc. at least 3 ft off the floor. Keep it away from doors or windows. The mist outlet must not be pointed directly at plants or other objects. Keep a distance of at least 20 inches (50cm). WARNING! Do not touch the water in the base during operation! Switch off the unit first. Place the Ionic Silver Stick in the base of the unit. Soak the demineralization cartridge in a water bath for 24 hours before the first use; t he granules have to absorb water to reach high performance. WARNING! If the cartridge is soaked in the tank, make sure to exchange the water and empty the water from the base before using the humidifier. Fill the tank with clean, cold water from the tap. Do not pour water into the mist outlet of the appliance. WATER QUALITY MAINTENANCE WITH IONIC SILVER STICK® DO NOT DISCARD! Save for future reference. Please read the manual or check our website for further information. Lifecycle Indicator Your appliance comes with a lifecycle indicator for changing the Ionic Silver Stick®. To remind yourself when you put the ISS into operation, please check the current month on the stamp and write the current year on the line provided. Water Quality Maintenance The Ionic Silver Stick® (ISS) keeps the water free of microbial growth. The ISS uses the anti-microbial effect of silver to prevent the growth of microbes in the water base. It begins to function as soon as it comes into contact with water, even if the unit is switched off. The Ionic Silver Stick should be changed every year. SOAK CARTRIDGE 24 HOURS BEFORE FIRST USE FILL THE TANK WITH FRESH COLD WATER QUICK SET UP GUIDE AOS U650 QUICK OPERATION DESCRIPTION AOS U650 24 h CURRENT TIME DESIRED CURRENT TIME DESIRED C A D F E L G H M K I B J N A On/Off dial and Display Dimmer B Hygrostat (setting the humidity level) C Timer (1h – 8h or CO) D Mist output (regulating mist output) E Operation with pre-heating (warm mist) F Automatic mode and Sleep mode G Timer indicator H Mist output indicator I Pre-heating indicator J Automatic mode indicator K Sleep mode indicator L Empty indicator M Cleaning indicator N Dimmer indicator Take off the water tank cap to fill the tank with water. Close the cap of the water tank securely, place the water tank onto the base. The water is now running from the tank into the base. The empty indicator light may stay illuminated for some seconds until the base is filled with water. Insert the plug into the socket and switch on the appliance using the On/Off Dial. 1 2 3 4 5 6 7 8 9 10 FURTHER INFORMATION RECOMMENDED TO CLEAN WITH EZCal TROUBLESHOOTING Switch off the appliance and unplug it from the socket before cleaning it. Clean the water tank and the base regularly. Use water only, no detergents. For best results use EZCal custom cleaning agent for AIR-O-SWISS products to remove deposits from the water base regularly. Do NOT run the unit when using EZCal. This can cause damage to the product and voids the warranty. What is EZCal? EZCal from AIR-O-SWISS is an easy and safe cleaning and descaling agent recommended for all humidifiers. It cleans mineral build-up in the water base. There is a sample of EZCal included in the packaging of your humidifier! Only use 1 packet for 32oz of water. Do not change the ratio. Thoroughly rinse the base with tap water and make sure no EZCal residue remains in the base. Instructions for use are on the packet. Please note: EZCal from AIR-O- SWISS is the only recommended cleaning and descaling solution. Do NOT use any other cleaning solutions since it can damage the product. Any use of cleaning solutions apart from EZCal will void the warranty. EZCal descaling agent is available at selected retail stores and online at ACIDACID30 min 140°F / 60°C Do not submerge base in water! The cleaning indicator still appears on the display after cleaning. To reset hold down the On/Off Dial until the cleaning light disappears. Thoroughly rinse the base with tap water and make sure no EZCal residue remains in the base! 11 12 13 White dust is emitted from the unit White dust particles are minerals that are broken up in tiny pieces by the ultrasonic process. Solve the problem: • Soak the demineralization cartridge in a bowl of water for a minimum of 24 hours. If the cartridge is soaked in the water tank, the water in the tank and the base needs to be replaced before using the unit. • Exchange the demineralization cartridge after 1–2 months when you use very hard water, for softer water after 2–3 months. No matter how hard your water is, exchange the cartridge at the very latest after 6 months. • Don’t use water from a pre-installed water softener, or sodium instead of calcium will be emitted from the unit. Use distilled water instead and remove the demineralization cartridge. • For very hard water areas use only distilled water and remove the demineralization cartridge. • Use reverse-osmosis water (R-O water) i...