Comfort Zone CZHD81 User manual

Model No. CZHD81
Ultrasonic Cool Mist Humidifier
with Remote Control and Timer
INSTRUCTION MANUAL
PLEASE SAVE THESE INSTRUCTIONS
Please read this guide carefully before use.
• Voltage: 100V-120V, 60HZ • Polarized plug
• Rated power: 32W • Water tank volume: 1.1 Gallon (4.16 L)

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IMPORTANT INSTRUCTIONS:
Thank you for choosing a Comfort Zone® humidifier. To ensure the best
performance from your product, please read and save the following instructions.
WHEN USING ELECTRICAL APPLIANCES, BASIC PRECAUTIONS SHOULD
ALWAYS BE FOLLOWED TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK
AND INJURY TO PERSON, INCLUDING THE FOLLOWING:
!This humidifier is for indoor use only. Do not use in wet or damp locations such as
bathrooms, laundry areas or other similar indoor locations. Never locate
humidifier where it may fall into a bathtub or other water container.
!Avoid the use of an extension cord because the extension cord may overheat
and cause risk of fire. However, if you must use an extension cord, the cord
shall be No.14AWG minimum size and rated not less than 1875 watts.
!Do not run the cord under carpeting. Do not cover the cord with throw rugs,
runners or the like. Arrange cord away from a traffic area so it will not be tripped
over.
!Do not use this product if parts are missing. Do not use this unit if the power cord
shows signs of damage or wear or if the unit has been dropped or misused.
!Use this unit on a flat, level surface only. If unit is placed on a non-level surface,
this unit may not function properly or water may overflow from the water flume.
!Place this humidifier on a water-resistant surface.
!Be sure to turn off and unplug this unit when not in use.
!Never tip or move this appliance while it is operating or while water is in the base
or tank.
!This humidifier is not to be serviced or repaired by anyone except the
manufacturer or service/repair facilities authorized by the manufacturer. Never
disassemble your humidifier. Doing so will void your warranty and possibly allow
water it get into sealed parts.
!Do not use this humidifier with timers, programmers or any other automatically
controlled devices.
!Use this humidifier in the manner described in this operations manual only. Not
following this manual may cause damage to the humidifier, may create a fire
hazard, electrical shock, or injury to persons or property.
!Do not place this humidifier near furnaces, heaters, stoves, or any other source
of heat.
!Position this humidifier out of the reach of children and pets.
!This humidifier requires periodic maintenance. Refer to those instructions in
this manual.
!DO NOT use anything other than water in this appliance. Do not use
additives.
!Turn off the humidifier if relative humidity exceeds 60%.
!Never block the mist outlet.
!Do not cover any part of this humidifier. Do not insert any object into any area of
this humidifier.

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1. Power button – to turn humidifier on
2. Power indicator – illuminated when unit is plugged in and has power
3. Night light indicator –illuminated when night light function is on
4. Tank empty indicator –illuminates when water tank is empty
5. Mist volume indicator –shows mist output volume
6. Decrease button –reduce mist output or reduce time value of timer
7. Timer button –turns timer function on and/or puts you in timer mode
8. Timer readout –shows time value of the timer
9. Fan indicator –shows the fan is running and unit is producing mist
10. Increase button –increase mist output or increase time value of timer
11. Night light button –press to turn night light on or off
CONTROL PANEL
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4
5
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2
1

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SET UP
Remove the tank, turn the tank upside-down and remove the spring float cap by
turning counter-clockwise as shown on the tank. Fill the tank with cool water, for best
results use distilled or filtered water. Do not use hot water or additives. Replace the
water tank spring float cap by turning it clockwise; be sure not to over tighten. Turn
the tank upright and position the tank back on the housing. Be sure the tank is seated
properly in the housing. Water will begin to flow from the tank into the water basin on
the unit body. You can adjust the direction of the mist by rotating the inner output
orifice.
OPERATION
Plug the humidifier into a polarized 120VAC outlet. Power indicator light will illuminate
confirming the unit has power. Press power button on control panel to start
humidification. Choose mist power level using the Increase or Decrease button on the
control panel. The best working environment for humidifier is between the
temperatures of 41°F (5°C) and 104°F (40°C) and relative humidity is lower than
60%RH. To turn the unit off, simply press the power button on the control panel while
at any mist power level. Unplug the humidifier when not in use.
REMOTE CONTROL
This unit equipped with a remote control for convenient operation. Insert 2 “AAA”
batteries into the remote control, be sure to observe the correct polarity located
inside the battery compartment. Aim the remote control towards the control panel of
the humidifier. Use the buttons on the remote control in the same fashion as you
would on the control panel of the unit.
HOW TO USE THE TIMER
The humidifier can be set to turn off automatically for up to 12 hours using the
timer feature. With unit on at any mist level, press the timer button on the control
panel. The numbers on the control panel will flash showing you that you are in
timer adjustment mode (flashing will automatically stop if no button is pressed).
While the numbers are flashing, increase the duration of the timer by pressing the
Increase button. To decrease the timer length, press the Decrease button. To
adjust the timer once it has been previously set, press the timer button and adjust
the length of time while numbers are flashing. To turn timer off, press the timer
button and decrease the timer length to “00” and the timer function will discontinue
or simply turn the unit off and restart the unit.

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REFILLING THE TANK
When the tank is empty and the water reaches a minimum level in the tray, the unit
will automatically shut down and stop producing moisture. The water tank empty
indicator light will illuminate indicating that the tank is empty. Turn off humidifier and
unplug the power cord. Remove water tank spring float cap, refill the tank with cool
water, for best results use distilled or filtered water. Do not use hot water or
chemical additives. Properly replace the tank, plug into an outlet and turn the
humidifier ON. Visible cool mist will be produced immediately.
CLEANING THE HUMIDIFIER
It is strongly recommended you clean your humidifier at least once a week or more
often if you
Have hard water.
Notice a buildup of impurities on or in the tray, etc.
Notice an unpleasant odor.
Always turn off and unplug the humidifier before cleaning.
Periodically wipe the outside of the humidifier with a damp or wet soft cloth. Do not
use harsh, abrasive cleaners on this humidifier. Never submerse the housing in liquid
or pour liquid in or on the housing. Doing so may damage the humidifier and cause
injuries.
CLEANING THE TANK
Put 1/2 teaspoon of chlorine bleach and 1/2 gallon of water in the tank. Let solution
set for about 20 minutes swishing every few minutes. Empty the tank and rinse well
with water until the bleach odor is gone. Be careful not to splash the solution on
surfaces/clothing that may get damaged by the cleaning solution. Do not operate the
humidifier with the chlorine bleach solution in the tank.
CLEANING THE TRAY
From time to time mineral deposits will accumulate in and on the water basin. When
this occurs, the water basin should be cleaned.
END OF SEASON CARE AND STORAGE
Empty the tank and tray of water. Clean all surfaces with a damp, soft cloth. When
completely dry, store the humidifier in its original carton, in a cool, dry, clean location.
Remember to clean and inspect your humidifier before using it the next season.

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Common Troubleshooting Methods
Abnormal
symptom
Cause
Solution
Indicator not
illuminated with
no air and no
mist
•The power cord is not
properly plugged in or there
is no power to the unit
•Plug the power cord properly
into a working outlet, turn on
the power switch
Indicator
illuminated with
air and no mist
•There is no water in the
water tank
•The Mist volume is not
turned up
•The water level float cap is
not down releasing water
•Fill up the water tank
•Increase Mist level
•Confirm the water tank spring
float cap is not stuck
Mist with odor
•New unit
•The water in the tank is not
clean
•Open and clean the water
tank
Indicator is
illuminated with
no air or no fog
•The water level in the water
basin is too high
•Remove some water in the
unit’s water basin
•Screw down the water tank
spring float cap
Reduced mist
output
•There is scale formation on
the water basin and inlets
•The water is dirty or has
been stored too long
•Clean the water basin and
inlets
•Replace with clean water

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LIMITED WARRANTY
Products manufactured by Comfort Zone® are warranted to the original consumer to
be free of defects in material and workmanship for twelve (12) months from the original
date of purchase. The warranty does not cover products modified outside our factory,
damage or failure caused by acts of God, abuse, misuse, abnormal usage, faulty
installation, failure to follow suggested maintenance procedures enclosed with this
product (as defined by Magnuson-Moss Warranty-Federal Trade Commission
lmprovement Act). This unit is guaranteed to the original retail purchaser against
defects in quality or workmanship for a period of one year from the date of original
purchase. If this unit fails because of a manufacturing defect within 30 days of
purchase, return the unit, with your receipt, to the retailer. After 30 days, but within the
warranty period, if the unit was purchased within the continental United States, return it,
freight prepaid, to Comfort Zone® for repair or replacement. If the unit was purchased
outside the continental United States, return the unit to the place of purchase. This
warranty does not cover damage due to accidents, operation on other than 120 volts,
60 hertz, AC. current, or any other abuse. All implied warranties, including the
warranties of merchantability and of fitness of purpose, if applicable, are hereby limited
in duration to the period of one year from the date of original retail purchase. Some
states do not allow limitations on how long an implied warranty lasts, so the above
limitations may not apply to you. Incidental or consequential damages arising from a
breach of either express or implied warranties are hereby disclaimed and excluded.
Some states do not allow the exclusion of limitation of incidental or consequential
damages, so this limitation or exclusion may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights, which
vary from state to state. No informal dispute settlement mechanisms are available. This
limited warranty is given in lieu of all other warranties.
Manufactured for:
Comfort Zone®
324A Half Acre Rd.
Cranbury, NJ 08512 USA
800-221-6895
www.comfortzone-us.com
(Rev. 052015)