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Your Holmes® Cool Mist humidifier draws dry air through the rear air intake grill area. This air is then passed through a moisture–laden wick filter, which retains the minerals and deposits in the water. The resulting moist air is directed back into the room from the top air grill.
NOTE: This humidification system provides a cool, invisible moisture output. It is normal not to see the mist.
NOTE:A humidity level below 20% can be unhealthy and uncomfortable. The recommended humidity level is between 40%-50%.
Your humidifier is equipped with a technologically advanced AccuSet PlusTM Digital Humidistat. You can set the humidifier to run continuously in manual mode or set the AccuSet PlusTM Digital Humidistat to your desired humidity setting. The AccuSet PlusTM Digital Humidistat will automatically turn the humidifier ON or OFF, depending on the preset comfort level. The comfort level ranges between 35% and 65% relative humidity.
To take advantage of the AccuSet PlusTM Digital Humidistat, press the MODE () button until the speed is set in either the AUTO HIGH (A3), AUTO MEDIUM (A2) or AUTO LOW (A1) setting. Then adjust the set humidity by using the up and down buttons. Humidity will increase in increments of 5%. When the humidity level is set, the display will return to show the current room humidity. When the room humidity level rises above the set humidity, the humidifier will stop. When the humidity level drops below the set humidity, the humidifier will turn on automatically.
NOTE: Allow up to 30 minutes for the filter to fully absorb water and for the unit to produce moisture.
NOTE: The AccuSet PlusTMHumidifier has memory. This means that when you turn the unit back on, it will be at the last setting the humidifier was set at.
If you do not plan to use the humidifier for two or more days, make sure any residual water is drained from the water tank, base and wick filter to prevent algae or bacteria growth.
The Auto On/Off timer will allow the user two options, to set a time to turn the unit off or to set a time to turn the unit on.
Auto Off Timer
While the unit is running, the off timer can be activated by holding down the up and down buttons simultaneously for 2 seconds, the screen will flash 00 and the up and down arrows can be pushed to adjust the timer up to 16 hours in increments of one, once 16 hours is reached, the next push of the timer button will cycle back to 00 hours. The Timer Light will illuminate to indicate that the Timer is activated. The unit will then shut off after the timer expires (in its current setting). While the unit is running, the timer should stay on even if other modes are being changed. The timer should only be deactivated if the unit is turned off.
Auto On Timer
While the unit is off, the up and down buttons are pressed simultaneously for 2 seconds and the display will flash 00 the up button may then be pushed again to increase the hours to turn on (in its last setting) from 1-16 in increments of 1 hour. The unit will then come on after the timer expires, if the unit is then turned on, the timer will be deactivated. The Timer Light will illuminate to indicate that the Timer is activated. Once 16 hours is reached, the next push of the timer button will cycle back to 00 hours.
By setting your humidifier to a specific humidity level, you are actually also extending the run time. Since the unit will turn on and off to maintain the set humidity level, less water will be used on manual setting.
Through normal use, waterborne minerals and sediment become trapped in the wick filter. The harder your water, the greater the amount of minerals in the water, and the more often you will need to clean your filter.
You will be able to monitor the life of the filter in your humidifier by checking the FilterCleanTM. The FilterCleanTM Indicator will only read the filter condition when the humidifier is in operation.
NOTE: It may take up to 60 minutes of operation for the FilterCleanTM Indicator to reflect the filter condition (see Fig. 2 for closeup of indicator). A brand new filter will register in the section reading Good filter. After frequent use of your humidifier, the FilterCleanTM will let you know when the filter needs to be cleaned.
When the needle is in the Wash Filter section, this means the proper amount of moisture is not getting into your air due to the excessive minerals and sediment that have become trapped on your filter. At this point, you should wash your filter. It is important to wash your filter as indicated below to obtain stated performance level.
Humidifiers provide comfort by adding moisture to dry, heated indoor air. To benefit most from the humidifier and avoid product misuse, follow all instructions carefully. Please note that this is an electrical appliance and requires attention when in use.
In addition, if you do not follow the recommended care and maintenance guidelines, micro-organisms may be able to grow in the water within the water tank. You must routinely follow the cleaning procedures that follow in order to ensure proper, efficient operation of your humidifier. Proper maintenance and cleaning is essential to the continued performance of your unit and the avoidance of algae or bacteria build-up.
TROUBLE | PROBABLE CAUSE | SOLUTION |
Unit does not turn on | Not plugged in. | Plug in unit. |
Mist output minimal to none | The filter has not absorbed water. Mist is invisible. | Wait 30 minutes for filter to absorb water. Operate in HIGH (3) setting. |
Filter turns brown | Your filter needs to be washed. In areas with particular hard water your filter will need to be cleaned frequently. | Wash your filter (HWF75P / Part Number 7400001000489). Follow Filter Washing Procedure located in manual. Use Cleanse Clean ® solution (S1710), to order call 1-800-546-5637, or visit www.holmesproducts.com. |
FilterClean TM is not working | Takes 60 minutes to register. | Allow the humidifier to run continuously for 60 minutes for the FilterClean TM Indicator to reflect the filter condition. |
Humidifier continuously displays 21% | Humidity at the humidifier is at or below 21%. | Continue to operate humidifier to raise the room humidity. |
Humidifier continuously displays 90% | Humidity at the humidifier is at or above 90%. | Stop operating the humidifier if the humidity level is too high. |
Question | Answer |
What are the variables that affect run time? | The estimated run time for this humidifier is based on average room conditions. The actual run time of your humidifier is dependent on numerous variables such as: Air exchange in the room where the humidifier is placed. Room construction of the room where the humidifier is placed. Temperature of the room where the humidifier is placed. Humidity levels in the room where the humidifier is placed. Movement of occupants and the opening and closing of doors in the room where the humidifier is placed. Home furnishings in the room where the humidifier is placed. |
How do I remove film on water tank? | See Daily Maintenance instructions. Regular cleaning is recommended. |
How can I extend the run time? | Run your unit on the lowest setting. If your unit has electronics, set it to your desired humidity level. The unit will turn on and off, which will extend the run time. Fill the tank all the way full, place it on the base, let the water empty into the base until it stops bubbling, then refill the tank full again. This ensures maximum water capacity and will extend run time. |
To Remove Scale:
To Disinfect Humidifier Base and Tank:
If your humidifier will not be in use for two days or more, or at the end of the season follow these instructions.
To order the replacement accessories you can do any of the following:
If you have any questions regarding your product or would like to learn more about other Holmes® products, please contact our Consumer Service Department at 1-800-546-5637 or visit our website at www.holmesproducts.com.
☎ INFO HOT-LINE: If, after reading this owner's guide you have any questions or comments, please call 1-800-546-5637 and a Customer Service Representative will be happy to assist you.
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
Download Holmes HM3608 - Cool Mist Humidifier with Permanent Filter Manual
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