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OPERATION
1. Plug cord into wall receptacle. Your humidifier is now ready for use. The humidifier should be
placed at least FOUR inches away from any walls and away from heat registers. Unrestricted
airflow into the unit will result in the best efficiency and performance.
2. The H12 3-speed fan control allows you to use the low setting for the quietest operation or a
high setting for maximum output.
H12 Control Panel
3. All models have an automatic humidistat. The humidistat will turn the humidifier on when the
relative humidity in your home is below the humidistat setting and will turn the humidifier off
when the relative humidity reaches the humidistat setting. For initial operation, set the
humidistat at its midpoint “two-droplet” setting and adjust up or down from there to achieve
the desired humidity level.
4. The refill light will indicate when the unit is completely out of water. The motor will also shut
off. To refill, see Step 9.
NOTE: When excessive condensation exists, a lower speed setting is recommended.
CAUTION: Disconnect power before filling, cleaning or servicing unit. Keep grille dry at all
times.
OPTIONAL AIRCARE® FILTER
The first stage of the air filter is a high-efficiency, electrostatically charged filter media which traps
dust, pollen, and airborne pollutants. The second stage is an activated carbon media which
absorbs odors from cooking, pets, or tobacco smoke. We recommend replacing the AirCare®
filter at least once a year and more often if necessary. When the white filter media is coated with
a layer of dust and dirt, it is time to replace the AirCare® filter. The certified water output of your
humidifier will be reduced when using the AirCare® filter. AirCare® filters are optional and are
not required for normal operation of the humidifier. AirCare® is registered trademark of Essick Air
Products.