If you live in an area with hard water or use a water softener, we recommend using distilled water for
best results. Never use water-softening additives in your humidifier.
INSTALLATION INSTRUCTIONS
1. Remove demineralization cartridge from packaging and soak
in water for 10 minutes.
2. Remove the top cover.
3. Fill the tank with water as shown in the How to Fill section of
this instruction book.
4. Add the soaked demineralization cartridge to the tank.
5. Replace the top cover on the humidifier.
CLEANING AND CARE
CAUTION: Before cleaning the unit, turn power off, unplug from the wall outlet and unplug the
AC Adapter plug from the top of the humidifier.
CLEANING THE TRANSDUCER/ULTRASONIC MEMBRANE
The transducer/ultrasonic membrane must be cleaned to remove water mineral deposits when the red
LED is illuminated above the clean transducer/ultrasonic membrane button. Failure to do so may cause
reduced or no mist output.
1. Push the 2 side push
lock buttons to remove
the top cover.
To purchase new Demineralization Cartridges, Model # UHE-HDC4, go to the retailer where you purchased your HoMedics TotalComfort
Ultrasonic Humidifier, or visit www.homedics.com (US), www.homedics.ca (CAN).
2. Pour out any water
remaining in the tank.
10
Demineralization Cartridge
3. Open the transducer/ultrasonic membrane door
and remove the float to access the transducer/
ultrasonic membrane.