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PLEASE READ AND SAVE
ALL INSTRUCTIONS!
LISEZ ET CONSERVEZ
TOUTES LES INSTRUCTIONS!
POR FAVOR LEA Y
GUARDE TODAS!
AOS 7131
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Instructions for use (5 – 16)
Instructions d‘utilisation (17 – 28)
Instrucciones para el uso (29 – 39)
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Instructions for use
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PLEASE READ AND SAVE ALL THESE INSTRUCTIONS!
Important safety instructions
• Prior to using the appliance, read through the instructions for complete use and retain in a safe place
for later reference.
• WARNING – Only use the Ultrasonic indoors and within
the specified technical data. Improper use can be
hazardous for the health and lead to critical injury.
• Connect the unit only to alternating current with
voltage according to the rating label.
• Children cannot recognize the hazards associated
with the usage of electrical appliances. For this reason,
always supervise children when they are near the
humidifier (image 1).
• Never use the appliance if there is any damage to the
appliance or cable (2), after malfunction, after the
appliance has been dropped (3) or damaged in any
other way.
• Repairs of electrical appliances are only to be made by
qualified service engineers (4). Improper repair work
can cause considerable danger to the user.
• Place the humidifier on a dry, level surface (5).
• Do not place the appliance directly on the floor or
next to heating.
• If the mist comes in contact with the floor prior to
evaporating, the flooring surface can become damaged
(6). We do not accept any liability for damages in the
case of incorrect placement of the unit.
• The unit should be placed in an elevated position (7),
e.g. on a table, chest, etc.
• Place appliance where it is not easily knocked over (8).
• Always unplug when not in use.
• Only operate the humidifier when it is completely
assembled.
• ALWAYS unplug before removing/filling/emptying the
water tank, before cleaning/maintaining, assembling/
dismantling of individual parts and before moving the
appliance.
• Do not touch the water in the base during operation
because of high frequency vibrations in the water.
• Do not run power cords under carpets, and do not cover with throw rugs. Arrange cord so that it will not be
tripped over.
• Never pull the plug from the outlet by the cable or with
wet hands.
• Do not use the appliance where combustible gases or
vapors are present.
• Do not expose the appliance to rain, or use near water,
in a bathroom, laundry area or other damp location.
• This unit must be used in its upright position.
• Do not allow foreign objects to enter ventilation or
exhaust opening as this may cause electric shock or
damage to the appliance. Do not block air outlets or
intakes.
• Do not pour water into the mist outlet of the appliance.
• This appliance has a polarized plug (one blade is wider
than the other). To reduce risk of shock, this plug is
intended to fit in a polarized outlet only one way. If the
plug does not fit fully in the outlet, reverse the plug. If it
still does not fit, contact a qualified electrician. DO NOT
attempt to defeat this safety feature.
• A loose fit between the plug and the AC outlet
(receptacle) may cause overheating and a distortion
of the plug. Contact a qualified electrician to replace
loose or worn receptacles.
• Do not sit, stand or place any heavy objects on the
appliance.
• Do not submerge the main body in water or other
liquids.
• Disconnect power supply before servicing.
• Persons who are not familiar with the instructions
for use, as well as children and persons under the
influence of medication, alcohol, or drugs are not
permitted to operate the appliance, or are only permitted to operate it under supervision.
• The use of water additives, such as ethereal/essential
oils, fragrances, eucalyptus, water conditioners etc.,
damages the tank material and as a consequence
the whole unit. Any use of such additives will void the
manufacturer’s warranty.
• Remark: Neither humans nor animals can hear the high
frequency vibrations.
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Foreword
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Congratulations on your choice of the Ultrasonic
AIR-O-SWISS 7131!
Did you know that dry room air:
• Causes the membranes in your respiratory system to
dry out, and also causes chapped lips and stinging
eyes?
• Encourages infections and illnesses of respiratory
system?
• Causes weariness, tiredness and poor concentration?
• Stresses household pets and house plants?
• Encourages the formation of dust and the electrostatic
charging of textiles made of synthetic fibers, carpets
and plastic flooring?
• Damages furnishings made of wood and parquet?
• Detunes musical instruments?
General information
A comfortable atmosphere indoors is reached with a relative humidity level between 40 and 60%. Your humidifier controls automatically the humidity level according
to desired setting. If the air is too dry, the humidifier will
automatically switch on. As soon as the desired humidity
level is reached, it will switch off.
Unpacking
• Carefully remove the humidifier from the box.
• Remove the plastic bag from the humidifier.
• Observe the information given on the rating plate about
the voltage.
• Use the original packaging for storing the appliance if
you do not use the humidifier all year round.
Description of the appliance Setting up
Mist outlet (rotating)
Cover
Water tank
Evaporation chamber
Demineralization cartridge
Water tank cap
Brush
Water base
Main body
Control panel
Water level sensor
Membrane
ISS (optional)
Power plug
Finding the ideal location for your unit
• Do not place the humidifier directly next to a heating
element or on a floor with floor heating. The moisture
of the mist can damage the floor surface (6) (see Safety Instructions).
• The unit should be placed in an elevated position (7),
e.g. on a table, chest, etc.
• The mist outlet must not be pointed directly at
plants or other objects (10). Keep distance of at least
20 inches (50cm).
• Soak the demineralization cartridge in the water tank
approx. 24 hours before using it. The resin has to
absorb water to reach high performance.
• On average the demineralization cartridge should
be replaced every 2 – 3 months depending on your
water hardness. Some areas may need to replace the
cartridge sooner, some may last longer. See «Replacement of the demineralization cartridge».
• Read the instructions under «Filling the Tank» for
adding water in the humidifier (12 and 13).
• Place the water tank and then the cover onto the base.
• Insert the plug into the socket and switch on the
appliance using the on/off switch (15).
• About 10 to 15 minutes after having been switched on
the device will reach its full power.
• Make sure that the cable is not pinched anywhere
(9). Do not operate the humidifier if the cable is damaged (2).
Air inlet
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Filling the tank
Always unplug the unit before removing the
water tank. Do not touch the water in the base
during operation!
Do not operate the humidifier when the water tank is
empty! When the water reaches the minimum level, the unit
switches off the nebulizer function automatically. The red
light comes on indicating tank is empty.
• Make sure that no foreign objects are in the water
tank.
• Take off the water tank cap to fill the tank with water
(11). Fill the tank with clean, cold water from the tap
(12). Close the cap of the water tank securely, place
the water tank and then the cover onto the base (13).
The water is now running from the tank into the base.
• Do not pour water into the mist outlet of the appliance
(14).
• Insert the plug into the socket and switch on the
appliance using the on/off switch (15). The green light
comes on. If you see the red light that displays that the
water tank is empty.
Use of additives
Water additives (ethereal/essential oils, fragrances,
eucalyptus, water conditioners etc.) must not be used!
Even a small amount can cause cracks in the material.
The material isn’t made for the use of such additives.
One drop is enough to damage the tank and as a consequence the unit. Any use of such additives will void the
manufacture’s warranty.
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An Ionic Silver Stick© (16) keeps the water free of harmful
bacteria. The anti-microbial action of silver is used. The
Ionic Silver Stick releases silver ions in the water over
a long period (approx. one year). It‘s self-regulating and
maintenance-free. Look at picture 16 for the position of the
ISS in the base part of the unit. Do not touch the water in
the base during operation! Switch off the unit first. Contact
your local retailer or check our website www.air-o-swiss.
com for reorder information.
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Operation 7131Water quality maintenance
A) On-off switch and
regulation of mist output
Turning the right-hand rotary switch clockwise switches
the appliance on and at the same time regulates the mist
output from low to high.
B) Hygrostat (setting the humidity level)
The desired humidity level can be set by turning the lefthand rotary switch clockwise. A relative humidity of between 40% and 60% is recommended. The accuracy of the
measurement is +/- 5%. As soon as the humidity exceeds
the desired setting the appliance switches off. The appliance does not switch off if the rotary switch is turned all the
way to the right as far as the arrow symbol. This activates
the continuous operation function.
C) Empty indicator
As soon as the tank runs out of water, the red empty indicator lamp turns on and an alarm is sounded. Please read the
chapter “Filling with water” for more information.
Replacement of the demineralization
cartridge
Always unplug the unit before removing the
water tank. Do not touch the water in the base
during operation!
The water tank is equipped with a demineralization cartridge.
This cartridge has to be replaced every 2 – 3 months. If
the water is very hard, it may be necessary to replace the
cartridge earlier. White dust around the device is a sure sign
that the cartridge needs replacing. Please note white dust
is not harmful. If white residue still forms around the device
after a new cartridge has been inserted, please make sure
that the water you are using is untreated. If the water flows
through a decalcification system (natrium added to remove
calcium) in the building before it is used in the humidifier, salt
can precipitate as white dust around the device.
Option A: replace the resin
• Remove the cover (Caution: the mist outlet is loose!).
Remove the water tank from the base and unscrew the
water tank cap (17).
• The demineralization cartridge is attached to the inside
of the tank cap. Unscrew the cartridge from the cap by
turning it counter-clockwise (18). Important: do NOT
dispose of the water tank cap!
• Open the cartridge (19).
• Throw the content into the waste (Attention! Disposed
resin can make the floor slippery!) (20).
• Pour the resin into the cartridge (22). (Attention! Make
sure that no granules get in the center of the cartridge.
It can clog the unit).
• Close the cartridge (24).
• Screw the cartridge on the water tank cap (25).
• Screw the cartridge on the bottom side of the water
tank, put the tank on the base tray (26).
• Soak the new granules for 24h before use! The resin
must soak up water to reach full performance!
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Option B: replace the whole cartridge
• Remove the cover (Caution: the mist outlet is loose!).
Remove the water tank from the base and unscrew the
water tank cap (17).
• The demineralization cartridge is attached to the inside
of the tank cap. Unscrew the cartridge from the cap by
turning it counter-clockwise (18). Important: do NOT
dispose of the water tank cap!
• Throw the whole cartridge into the waste (21).
• Unpack the new cartridge (23).
• Screw the cartridge on the water tank cap (25). Close
tank cap well, place the tank on the lower part and
insert mist outlet (26).
• Soak the new cartridge for 24h before use! The resin
must soak up water to reach full performance!
Cut the bag open at the marked point.
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Cleaning/Maintenance
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• Switch off the appliance and unplug it from the socket
• Clean the water tank and the base regularly. Use water
• Use decalcification agents to remove deposits from
• Do not submerge base in water (31)!
Always unplug the unit before removing the
water tank. Do not touch the water in the base
during operation!
before cleaning it (27).
only, no detergents (28).
the membrane regularly (29 and 30). For best results
use EZCal Custom cleaning agent for AIR-O-SWISS
products.
Attention
• Make sure main body is never submerged into water
(31)!
• Clean the inner parts with a soft cloth. Do not use any
solvents or aggressive cleaning agents to clean the
appliance (32).
• Only use the brush to clean the membrane. This should
be done once a week. Only use the soft-bristle portion
of the brush.
• Change the water in the tank at least once a week if
water is standing for more than a week.
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Storing the appliance for extended periods
Technical data
Clean the appliance as described earlier and allow to dry
thoroughly. Preferably store the appliance in its original box,
in a dry place away from high temperatures.
Legal notice
The humidifier is UL-listed.
Subject to technical change. The instructions for use are
protected by copyright © PLASTON AG.
Accessories
Contact your local retailer or check our website www.
air-o-swiss.com for reorder information.
Electrical voltage 120 V / 60 Hz
Power consumption up to 45 W
Humidity output up to 2.5 gallons /24 h
Suitable for rooms up to 540 sq ft / 50 m
Dimensions 15.7 x 7.3 x 11.4 in
40 x 18.5 x 29 cm
Weight (empty) 8.8 lbs / 4.0 kg
Accessories Demineralization cartridge
Ionic Silver Stick
Customer Service
Customer Service (USA) 1-800-336-0326
Service à la clientèle (é.-U.) 1-800-336-0326
www.air-o-swiss.com
Trouble shooting
Problem Possible cause What to do
Unit does not operate Power cable not plugged in Plug in power cable
No water in the tank (Empty-light red) Fill tank with water
No mist output Desired humidity level lower than actual Increase desired setting
Residues of dish soap Rinse with clear water
Weak mist output Water temperature too low Set mist output to maximum, after 10 min.
the humidifier will work properly again
Mineral deposits on membrane Clean membrane with brush or soft cloth
Unit running intermittently
White dust around the humidifier Demineralization cartridge exhausted Replace demineralization cartridge or resin
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General Humidifier Questions
Q. Why isn’t there enough moisture in my room?
A. How often do you run the unit? If the unit is only run at
night, then during the day the moisture level will drop if
moisture is not constantly added to the air.
A. Do you leave your door open or closed when the
unit is running?
a. By leaving the door open, this allows moisture to leave
the room and go into other areas of the house. If you
would like the moisture to stay within one specific
room you should consider closing the door while the
unit is running.
b. Wood, leather, carpet, curtains, and other types of fabric
soak up a lot of moisture, thus not leaving enough
moisture for the air. If the window is left open, then this
allows moisture to escape the room. Another factor is
a lot of times the unit is placed next to a heating device.
The idea is that the air blowing into the room will quikkly place moisture around the room. Unfortunately, this
concept does not work because the hot air coming out
of a vent will soak up most of the moisture, and none of
the air within the room will receive any.
Q. Why do I need a humidifier when I can just open
my window?
A. The moisture level within the outside air is not high
enough to humidify a room.
Q. Where should I place my humidifier?
A. The unit should be free-standing and not close to a
wall, window, door, or thermal bridge so that air may
circulate around the unit.
Ultrasonic Frequent Questions
Q. Why does it say open/close on the demineralization
cartridge cap?
A. Those directions are there in case you decide to use
the refill option to replace the granules; the purpose is
for how to open and close the cap.
If you did open the cap before placing it in the water
tank, you will most likely notice that there are granules
in the water tank and the base of the unit. Immediately turn off the unit, and empty the water out of the
base and the water tank. Begin removing all granules
from base and water tank. Use brush to clean around
membrane.
Caution: Do not dispose of granules in sink! Used
granules must go in waste!
Q. I just replaced my cartridge, and the contents and
water in the base has turned a blue-green color.
A. This sometimes occurs when the cartridge, or even
the granules, are replaced. This does not occur with all
replacement cartridges or granules, and is a reaction of
water content and the Ultrasonic vibrations. This is not
an indicator to replace the cartridge.
Q. How much moisture do I need in my room?
A. Suggested humidity levels are between 40 – 60%.
Q. What are the effects of too little or too much
humidity?
A. Dry air can cause dry skin, static electricity, out of tune
musical instruments, increased levels of dust (dry air
causes dust to rise), damage to wooden objects (dry
out and eventually cracks appear), discomfort, sickness, and dries out nasal membranes.
Over-humidifying the air can cause mold and wallpaper
to peel.
Q. There is no fill-line on the water tank, how far may
I fill it up?
A. There is no fill line on the water tank, and it may be
filled all the way to the top.
Q. What is the purpose of the demineralization
cartridge (DMC)?
A. The DMC removes minerals from the water to prevent
white dust as much as possible. The contents of the
cartridge need to be soaked for 24 hrs prior to first
using the unit so that they may fully expand and
remove minerals from the water.
The contents of the DMC have a life of 2 – 3 months.
The cartridge may need to be replaced more often
depending on water hardness and how often the unit
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is used. An indication of when the DMC needs to be
changed can be white dust or reduced amount of mist
output.
Q. Is it ok to use distilled water with the unit?
A. Yes, it is fine to use distilled water with the unit. If
distilled water is used, it will prolong the life of the
DMC.
Q. I just replaced the contents of the cartridge and
now have granules everywhere.
A. First, make sure there are no granules in the middle
of the cartridge. Placing granules in the middle of the
DMC allows them to escape everywhere. Immediately turn off the unit, and empty the water out of the
base and the water tank. Begin removing all granules
from base and water tank. Use brush to clean around
membrane.
For refilling the DMC, wad a piece of paper or paper
towel and place in the middle of the DMC. For placing
granules in the cartridge, a suggestion is to use a
spoon so that no granules get in the middle of the
cartridge.
Caution: Do not dispose of granules in sink! Used granules must go in waste!
Q. The directions tell me not to place the unit directly
on the floor, why do I have to elevate the unit?
A. The idea with this unit is to allow one to force more
humidity into the air than is needed. Because of this,
the carpeting or wood floor surrounding the unit may
become damp. If the unit is placed at least 2 feet off
the floor, the mist will have the opportunity to evaporate before hitting the floor.
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AIR-O-SWISS is a brand name
of PLASTON AG, Switzerland.
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