User Manual

4
CONTROLS THAT DO THE THINKING FOR YOU
CONTROLS THAT DO THE THINKING FOR YOU (CONTINUED)
Auto-off Timer
Sleep/Quiet
Setting
General Cleaning
Setting
Check Filters
Reset Button
Allergen Reduction
Setting
Max Cleaning Setting
Purification Level
Button
Oscillation Button
Light Dimmer
Button
Power Button
HFD28X Series
Purification Level Button – Once you have pressed the Power Button, use the Purification Level Button
( ) to select the desired air cleaning level. Your air cleaner will start on the General Cleaning setting each
time you turn the air cleaner on. Continue to press the ( ) button to cycle through cleaning levels to reach
the desired setting. Here is a handy reference to help get the most out of your air cleaner’s performance:
LEVEL 4 - MAX
Best for power cleaning the air when unpleasant odors are noticeable, your room is particularly dusty, or you
can sense that airborne particles are present. This setting cleans the air the fastest of all the settings and can
circulate the air frequently in the room.
LEVEL 3 - ALLERGEN
This setting makes the air cleaner perform at the proper level for reducing many types of airborne allergens.
It ensures the allergen capturing efficiency and rate are best for the particle sizes being captured. Best for
fighting airborne allergens during high allergen season, particularly in the spring and fall to help reduce
airborne pollen. Also great for year-round reduction of pet dander allergens.
LEVEL 2 - GENERAL
Best for General Cleaning. Use this setting to help reduce airborne dust and smoke particles, like those from
cooking or tobacco smoke.
LEVEL 1 - SLEEP
Best for ultra quiet operation, perfect for nighttime use when sleeping.
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Oscillate Button – To help circulate fresher, cleaner air through the room, this unit has an oscillation feature.
To turn Oscillation on, simply press the Oscillation button ( ) once. To turn Oscillation off, press the
button again.
Auto-off Timer Button – Push the ( ) button if you would like your air cleaner to run and then automatically
shut-off after a certain amount of time (choose from between 2, 4 and 8 hours). This is convenient if you
would like your air cleaner to run during the night but then shut-off automatically in the morning (choose the
8 hour setting).
Dimmer Button – ( ) allows you to adjust the brightness of the LED display on the control panel. You may
wish to adjust the brightness depending on the room where the unit is placed.
• The unit always turns on with brightness on HIGH
• The LED lights cannot be turned completely off
• Press the ( ) button once and LED display will dim to Low setting
• Pressing the ( ) button a 2nd time will turn the LED light brightness back to HIGH.
Check Filters Button – When it is time to check and clean the filters, an indicator light will illuminate.
When this light comes on, you will need to clean the primary ifD
®
filter and clean or replace the pre-filter.
(See Filter Cleaning instructions on pages 6-7). It is recommended that you periodically check the filters.
Depending on operating conditions, the filters should be cleaned every 3 months. If you have chosen to
use the Odor & VOC Reducing
K
Pre-filter, it is not washable and should be replaced after 3 months. After
you have cleaned or replaced the filters, you will need to RESET the Electronic Filter Check.
To RESET the Electronic Filter Check:
After the ifD
®
filter and pre-filter have been cleaned/replaced and re-installed in the unit, plug the unit into the
power outlet with the unit still in POWER OFF mode, press and hold the CHECK FILTERS RESET button for 3
seconds. The CHECK FILTERS red LED will flash twice and shut off indicating the filter check has been reset. The
red LED will no longer be illuminated. The cleaning intervals are intended as guidelines only. Performance of any
filter media is dependent upon the concentration of contaminants going through the system. High concentrations
of contaminants such as dust, pet dander and smoke particles will reduce the useful performance of the filter
and they may need to be cleaned more frequently.
REMOVING THE FILTERS
CAUTION: Turn off the unit and wait 60 seconds before removing
the grille to clean filters.
The ifD
®
filter comes installed inside the air cleaner.
• Turn-off the air cleaner. Wait 60 seconds and unplug the unit before
removing the grille.
• Press down on the tab on the rear grille and pull the grille down and
toward you. Remove the grille.
• With one hand, hold the air purifier steady and use other hand to grasp
ifD
®
filter by the molded plastic handle at top and pull out. (Fig. 3)
• To place the ifD
®
filter back into the air cleaner housing, insert at
bottom and ensure it is pushed in as far as it can go, then push in
from the top. You will hear an audible “click”.
• Return the rear grille to the purifier housing. You will hear an audible “click” when the grille is
installed correctly.
Fig. 3