11 41956-01
Air Purier Maintenance
6. Install the grill back onto the unit. First, line up the tabs on the bottom of the
grill with the openings on the purier base and then push the top of the grill
forward until it is closed.
7. Plug in the air purier. NOTE: This unit will not operate unless the grill is in the
correct position.
8. Finally, reset the Pre-Filter Counter by pressing the PREFILTER RESET key for 2
seconds. The Pre-Filter Counter will return to 100% and the Pre-Filter indicator
will stop ashing.

Cleaning the Filter

The PermaLife™ Filtration System uses a cleanable lter that never has to be changed,
only cleaned. When the lter exceeds 2800 hours (approximately 4 to 6 months of use),
the Cleanable Filter Life Counter will display 0% life remaining and the Cleanable Filter
indicator will ash (refer to Filter Life Counters for additional information, pg. 8). This is a
reminder that you should check the lter and clean if necessary. The proper time to clean
the lter depends on usage and the environment. Use the following list to help determine
if the lter should be cleaned:
• Compare the color of the lter to the color coded chart on the inside of the housing. If
the lter color matches the darkest color on the chart, you should clean the lter.
• If you notice a decrease in air output or an increase in noise at any time during normal
operation, the lter may be clogged. Clean the lter to return to normal operation.
To clean the lter and reset the Cleanable Filter Life Counter:
1. First, turn o and unplug the air purier.
2. Next, remove the front grill. Place your ngers under the handle on the grill
and pull forward, then up. Refer to Figs. 4 and 5 (pg. 6).
3. Gently pull on the lter to remove it from the unit. While removing the lter, note
the directional arrows printed on the top of the lter. The lter will be reinstalled
with the same orientation.
4. The label on the top side of the lter points to the side that should be cleaned.
With a vacuum cleaner and upholstery brush attachment, clean the lter until
all particles are removed. Do not use water or liquids to clean.
5. Install the lter with arrows pointing towards the unit. Press the lter rmly into
the air purier. To avoid damaging the lter media, you should press on the
frame of the lter only.
6. Place the front grill back onto the unit. First, line up the tab on the bottom of
the grill with the recess on the purier base and then push the top of the grill
forward until it is closed. NOTE: This unit will not operate unless the grill is in
the correct position.
Continued